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PHP and Javascript implementations of a simple markdown parser
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
  1. <!DOCTYPE html>

  2. <html>

  3. 	<head>

  4. 		<meta charset="utf-8">

  5. 		<title>Markdown Unit Tests</title>

  6. 		<link rel="icon" href="data:;base64,iVBORw0KGgo=">

  7. 		<style type="text/css">

  8. 			:root {

  9. 				font-family: sans-serif;

  10. 				--color-passed: #090;

  11. 				--color-failed: #a00;

  12. 				--color-errored: #a80;

  13. 				--color-untested: #888;

  14. 				--color-background: #fff;

  15. 				--color-text: #000;

  16. 				--color-secondary: #888;

  17. 				background-color: var(--color-background);

  18. 				color: var(--color-text);

  19. 			}

  20. 			.testclass {

  21. 				border: 1px solid var(--color-secondary);

  22. 				padding: 0.5em 1em;

  23. 				margin-bottom: 1em;

  24. 				max-width: 50em;

  25. 			}

  26. 			.testclassname {

  27. 				font-weight: bold;

  28. 				font-size: 1.25rem;

  29. 				padding-bottom: 0.25em;

  30. 			}

  31. 			.testclassstatus.passed { color: var(--color-passed); }

  32. 			.testclassstatus.failed { color: var(--color-failed); }

  33. 			.testclassstatus.errored { color: var(--color-errored); }

  34. 			.testclassstatus.untested { color: var(--color-untested); }

  35. 			.testcase {

  36. 				clear: both;

  37. 				padding: 0.2em 0;

  38. 				margin-left: 2em;

  39. 			}

  40. 			.testcase {

  41. 				border-top: 1px solid var(--color-secondary);

  42. 			}

  43. 			.testcasename {

  44. 				font-family: monospace;

  45. 			}

  46. 			.testcasestatus {

  47. 				font-weight: bold;

  48. 				font-size: 80%;

  49. 				float: left;

  50. 			}

  51. 			.testcasetiming {

  52. 				float: right;

  53. 				color: var(--color-secondary);

  54. 				font-size: 80%;

  55. 			}

  56. 			.testcasererun {

  57. 				float: right;

  58. 				padding-left: 0.5em;

  59. 				cursor: pointer;

  60. 				font-size: 150%;

  61. 			}

  62. 			.testcaseresult {

  63. 				height: 1em;

  64. 			}

  65. 			.testcasemessage {

  66. 				clear: both;

  67. 			}

  68. 			.result-untested {

  69. 				color: var(--color-untested);

  70. 			}

  71. 			.result-testing {

  72. 				color: var(--color-text);

  73. 			}

  74. 			.result-passed {

  75. 				color: var(--color-passed);

  76. 			}

  77. 			.result-failed {

  78. 				color: var(--color-failed);

  79. 			}

  80. 			.result-errored {

  81. 				color: var(--color-errored);

  82. 			}

  83. 			@media (prefers-color-scheme: dark) {

  84. 				:root {

  85. 					--color-passed: #090;

  86. 					--color-failed: #a00;

  87. 					--color-errored: #a80;

  88. 					--color-untested: #888;

  89. 					--color-background: #000;

  90. 					--color-text: #fff;

  91. 					--color-secondary: #888;

  92. 				}

  93. 			}

  94. 		</style>

  95. 		<script src="js/markdown.js"></script>

  96. 		<script src="js/spreadsheet.js"></script>

  97. 		<!-- Testing infrastructure -->

  98. 		<script>

  99. 			/**

  100. 			 * @param {String} text

  101. 			 * @returns {String}

  102. 			 */

  103. 			function escapeHTML(text) {

  104. 				return text.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\n/g, '<br/>\n');

  105. 			}

  106. 

  107. 			class ResultType {

  108. 				static untested = new ResultType('untested');

  109. 				static testing = new ResultType('testing');

  110. 				static passed = new ResultType('passed');

  111. 				static failed = new ResultType('failed');

  112. 				static errored = new ResultType('errored');

  113. 

  114. 				#name;

  115. 

  116. 				constructor(name) {

  117. 					this.#name = name;

  118. 				}

  119. 

  120. 				toString() {

  121. 					return `${this.constructor.name}.${this.#name}`;

  122. 				}

  123. 			}

  124. 

  125. 			class FailureError extends Error {

  126. 				constructor(message=null) {

  127. 					super(message);

  128. 				}

  129. 			}

  130. 

  131. 			class BaseTest {

  132. 				setUp() {}

  133. 				tearDown() {}

  134. 				/** @var {TestCaseRunner|null} */

  135. 				currentRunner = null;

  136. 				fail(failMessage=null) {

  137. 					throw new FailureError(failMessage || 'failed');

  138. 				}

  139. 				assertTrue(test, failMessage=null) {

  140. 					if (!test) this.fail(failMessage || `expected true, got ${test}`);

  141. 				}

  142. 				assertFalse(test, failMessage=null) {

  143. 					if (test) this.fail(failMessage || `expected false, got ${test}`);

  144. 				}

  145. 				assertEqual(a, b, floatDifferenceRatio=0.000001, failMessage=null) {

  146. 					if (MDUtils.equal(a, b, floatDifferenceRatio)) return;

  147. 					const aVal = (typeof a == 'string') ? `"${a}"` : `${a}`;

  148. 					const bVal = (typeof b == 'string') ? `"${b}"` : `${b}`;

  149. 					if (aVal.length > 20 || bVal.length > 20) {

  150. 						this.fail(failMessage || `equality failed:\n${aVal}\n!=\n${bVal}`);

  151. 					} else {

  152. 						this.fail(failMessage || `equality failed: ${aVal} != ${bVal}`);

  153. 					}

  154. 				}

  155. 				expectError(e=true) {

  156. 					if (this.currentRunner) this.currentRunner.expectedError = e;

  157. 				}

  158. 				/**

  159. 				 * @param {number} maxTime maximum time in seconds

  160. 				 * @param {function} timedCode code to run and time

  161. 				 */

  162. 				profile(maxTime, timedCode) {

  163. 					const startTime = performance.now();

  164. 					const result = timedCode();

  165. 					const endTime = performance.now();

  166. 					const seconds = (endTime - startTime) / 1000.0;

  167. 					if (seconds > maxTime) {

  168. 						this.fail(`Expected <= ${maxTime}s execution time, actual ${seconds}s.`);

  169. 					}

  170. 					return result;

  171. 				}

  172. 			}

  173. 

  174. 			/**

  175. 			 * Manages the running and results of a single test method on a test

  176. 			 * class.

  177. 			 */

  178. 			class TestCaseRunner {

  179. 				/** @var {number} */

  180. 				static #nextUniqueId = 1;

  181. 				/** @var {number} */

  182. 				uniqueId = 0;

  183. 				/** @var {BaseTest} */

  184. 				#objectUnderTest;

  185. 				/** @var {method} */

  186. 				#method;

  187. 				/** @var {ResultType} */

  188. 				result = ResultType.untested;

  189. 				/** @var {String|null} */

  190. 				message = null;

  191. 				expectedError = null;

  192. 				duration = null;

  193. 				/** @var {String} */

  194. 				get className() { return this.#objectUnderTest.constructor.name; }

  195. 				/** @var {String} */

  196. 				get methodName() { return this.#method.name; }

  197. 				/**

  198. 				 * @param {BaseTest} objectUnderTest

  199. 				 * @param {method} method

  200. 				 */

  201. 				constructor(objectUnderTest, method) {

  202. 					this.#objectUnderTest = objectUnderTest;

  203. 					this.#method = method;

  204. 					this.uniqueId = TestCaseRunner.#nextUniqueId++;

  205. 				}

  206. 				run() {

  207. 					var start;

  208. 					this.expectedError = null;

  209. 					this.#objectUnderTest.currentRunner = this;

  210. 					try {

  211. 						this.#objectUnderTest.setUp();

  212. 					} catch (e) {

  213. 						console.error(`Failed to run ${this.className}.setUp() - ${e.message}`);

  214. 						this.result = ResultType.errored;

  215. 						this.message = e.message;

  216. 						return;

  217. 					}

  218. 					try {

  219. 						start = performance.now();

  220. 						this.#method.bind(this.#objectUnderTest)();

  221. 						this.duration = performance.now() - start;

  222. 						this.result = ResultType.passed;

  223. 						this.message = null;

  224. 					} catch (e) {

  225. 						this.duration = performance.now() - start;

  226. 						if (e instanceof FailureError) {

  227. 							this.result = ResultType.failed;

  228. 							this.message = e.message;

  229. 						} else if (this.#isExpectedError(e)) {

  230. 							this.result = ResultType.passed;

  231. 							this.message = null;

  232. 						} else {

  233. 							this.result = ResultType.errored;

  234. 							this.message = e.message;

  235. 							if (e.stack !== undefined) {

  236. 								this.message += "\n" + e.stack;

  237. 							}

  238. 						}

  239. 					} finally {

  240. 						this.expectedError = null;

  241. 						try {

  242. 							this.#objectUnderTest.tearDown();

  243. 							this.#objectUnderTest.currentRunner = null;

  244. 						} catch (e0) {

  245. 							console.error(`Failed to run ${this.className}.tearDown() - ${e0.message}`);

  246. 							this.result = ResultType.errored;

  247. 							this.message = e0.message;

  248. 						}

  249. 					}

  250. 				}

  251. 				get #cssId() { return `testcase${this.uniqueId}`; }

  252. 				#isExpectedError(e) {

  253. 					if (this.expectedError === null) return false;

  254. 					if (this.expectedError === true) return true;

  255. 					// TODO: Have a way to specify details about what kind of error is expected. Maybe a prototype instance and/or a testing lambda.

  256. 					return false;

  257. 				}

  258. 				toHTML() {

  259. 					var html = `<div class="testcase" id="${this.#cssId}">`;

  260. 					html += `<div class="testcasename"><span class="testcasemethod">${this.methodName}</span></div>`;

  261. 					if (this.result == ResultType.passed || this.result == ResultType.failed || this.result == ResultType.errored) {

  262. 						const rerunId = `testcasererun-${this.#cssId}`;

  263. 						const testId = this.uniqueId;

  264. 						html += `<div class="testcasererun" id="${rerunId}">🔄</div>`;

  265. 						setTimeout(() => {

  266. 							const node = document.getElementById(rerunId);

  267. 							if (!node) return;

  268. 							node.addEventListener('click', () => {

  269. 								TestClassRunner.rerun(testId);

  270. 							});

  271. 						}, 0);

  272. 					}

  273. 					html += '<div class="testcaseresult">';

  274. 					switch (this.result) {

  275. 						case ResultType.untested:

  276. 							html += '<div class="testcasestatus result-untested">Waiting to test</div>';

  277. 							break;

  278. 						case ResultType.testing:

  279. 							html += '<div class="testcasestatus result-testing">Testing...</div>';

  280. 							break;

  281. 						case ResultType.passed:

  282. 							html += '<div class="testcasestatus result-passed">Passed</div>';

  283. 							break;

  284. 						case ResultType.failed:

  285. 							html += '<div class="testcasestatus result-failed">Failed</div>';

  286. 							break;

  287. 						case ResultType.errored:

  288. 							html += '<div class="testcasestatus result-errored">Errored</div>';

  289. 							break;

  290. 					}

  291. 					if (this.duration !== null) {

  292. 						html += `<div class="testcasetiming">${Number(this.duration / 1000.0).toFixed(3)}s</div>`;

  293. 					}

  294. 					html += '</div>';

  295. 					if (this.message !== null) {

  296. 						html += `<div class="testcasemessage">${escapeHTML(this.message)}</div>`;

  297. 					}

  298. 					html += `</div>`;

  299. 					return html;

  300. 				}

  301. 				/**

  302. 				 * Updates the HTML node in-place with the current status, or

  303. 				 * adds it if it does not exist yet.

  304. 				 */

  305. 				updateHTML() {

  306. 					let existing = document.getElementById(this.#cssId);

  307. 					if (existing) {

  308. 						existing.outerHTML = this.toHTML();

  309. 					} else {

  310. 						document.getElementById('results').innerHTML += this.toHTML();

  311. 					}

  312. 				}

  313. 

  314. 				/**

  315. 				 * @param {object} objectUnderTest

  316. 				 * @returns {TestCaseRunner[]}

  317. 				 */

  318. 				static findTestCases(objectUnderTest) {

  319. 					if (!(objectUnderTest instanceof BaseTest)) return [];

  320. 					var members = [];

  321. 					var obj = objectUnderTest;

  322. 					do {

  323. 						members.push(...Object.getOwnPropertyNames(obj));

  324. 					} while (obj = Object.getPrototypeOf(obj));

  325. 					return members.sort().filter((e, i, arr) => {

  326. 						if (e != arr[i + 1] && typeof objectUnderTest[e] == 'function' && e.startsWith('test')) return true;

  327. 					}).map((name) => {

  328. 						return new TestCaseRunner(objectUnderTest, objectUnderTest[name]);

  329. 					});

  330. 				}

  331. 			}

  332. 

  333. 			class TestClassRunner {

  334. 				static #nextUniqueId = 1;

  335. 

  336. 				#uniqueId = 0;

  337. 				#theClass;

  338. 				#instance;

  339. 				#testCases;

  340. 

  341. 				get testCases() { return this.#testCases; }

  342. 

  343. 				constructor(theClass) {

  344. 					this.#theClass = theClass;

  345. 					this.#instance = new theClass();

  346. 					this.#testCases = TestCaseRunner.findTestCases(this.#instance);

  347. 					this.#uniqueId = TestClassRunner.#nextUniqueId++;

  348. 				}

  349. 				get #cssId() { return `testclass${this.#uniqueId}`; }

  350. 				#summaryHTML() {

  351. 					var anyTesting = false;

  352. 					var anyFailed = false;

  353. 					var anyErrored = false;

  354. 					var anyUntested = false;

  355. 					var anyPassed = false;

  356. 					var allPassed = true;

  357. 					for (const test of this.testCases) {

  358. 						switch (test.result) {

  359. 							case ResultType.untested:

  360. 								anyUntested = true;

  361. 								allPassed = false;

  362. 								break;

  363. 							case ResultType.testing:

  364. 								anyTesting = true;

  365. 								allPassed = false;

  366. 								break;

  367. 							case ResultType.passed:

  368. 								anyPassed = true;

  369. 								break;

  370. 							case ResultType.failed:

  371. 								anyFailed = true;

  372. 								allPassed = false;

  373. 								break;

  374. 							case ResultType.errored:

  375. 								anyErrored = true;

  376. 								allPassed = false;

  377. 								break;

  378. 						}

  379. 					}

  380. 					var html = '';

  381. 					html += `<summary class="testclasssummary" id="${this.#cssId}summary">`;

  382. 					html += `<span class="testclassname">${this.#theClass.name}</span> `;

  383. 					if (anyTesting || (anyUntested && (anyPassed || anyFailed || anyErrored))) {

  384. 						html += '<span class="testclassstatus testing">Testing...</span>';

  385. 					} else if (anyErrored) {

  386. 						html += '<span class="testclassstatus errored">Errored</span>';

  387. 					} else if (anyFailed) {

  388. 						html += '<span class="testclassstatus failed">Failed</span>';

  389. 					} else if (allPassed) {

  390. 						html += '<span class="testclassstatus passed">Passed</span>';

  391. 					}

  392. 					html += '</summary>';

  393. 					return html;

  394. 				}

  395. 				toHTML() {

  396. 					var html = '';

  397. 					html += `<div class="testclass" id="${this.#cssId}">`;

  398. 					html += `<details id="${this.#cssId}details">`;

  399. 					html += this.#summaryHTML();

  400. 					for (const testCase of this.#testCases) {

  401. 						html += testCase.toHTML();

  402. 					}

  403. 					html += '</details>';

  404. 					html += '</div>';

  405. 					return html;

  406. 				}

  407. 				updateHTML() {

  408. 					var existing = document.getElementById(`${this.#cssId}summary`);

  409. 					if (!existing) {

  410. 						document.getElementById('results').innerHTML += this.toHTML();

  411. 					} else {

  412. 						existing.outerHTML = this.#summaryHTML();

  413. 						var allPassed = true;

  414. 						for (const test of this.testCases) {

  415. 							if (test.result != ResultType.passed) {

  416. 								allPassed = false;

  417. 								break;

  418. 							}

  419. 						}

  420. 						if (!TestClassRunner.#isRerunning) {

  421. 							document.getElementById(`${this.#cssId}details`).open = !allPassed;

  422. 						}

  423. 					}

  424. 				}

  425. 

  426. 				static #idToTestCase = {}; // number -> [TestClassRunner, TestCaseRunner]

  427. 				static runAll(testClasses) {

  428. 					for (const testClass of testClasses) {

  429. 						const classRunner = new TestClassRunner(testClass);

  430. 						classRunner.updateHTML();

  431. 						const cases = classRunner.testCases.map(function(test) { return [ classRunner, test ] });

  432. 						for (const testTuple of cases) {

  433. 							this.#idToTestCase[testTuple[1].uniqueId] = testTuple;

  434. 						}

  435. 						this.#testQueue.push(...cases);

  436. 					}

  437. 					this.#runTestQueue();

  438. 				}

  439. 

  440. 				static #testQueue = [];  // tuples of [TestClassRunner, TestCaseRunner]

  441. 				static #testInterval = null;

  442. 				static #isRerunning = false;

  443. 				static #runTestQueue() {

  444. 					if (this.#testInterval) return;

  445. 					this.#testInterval = setInterval(function() {

  446. 						if (TestClassRunner.#testQueue.length == 0) {

  447. 							clearInterval(TestClassRunner.#testInterval);

  448. 							TestClassRunner.#testInterval = null;

  449. 							return;

  450. 						}

  451. 						var classRunner;

  452. 						var testCase;

  453. 						[ classRunner, testCase ] = TestClassRunner.#testQueue[0];

  454. 						if (testCase.result == ResultType.untested) {

  455. 							testCase.result = ResultType.testing;

  456. 							testCase.updateHTML();

  457. 							classRunner.updateHTML();

  458. 						} else if (testCase.result == ResultType.testing) {

  459. 							TestClassRunner.#testQueue.splice(0, 1);

  460. 							testCase.run();

  461. 							testCase.updateHTML();

  462. 							classRunner.updateHTML();

  463. 						}

  464. 					}, 1);

  465. 				}

  466. 

  467. 				static rerun(testId) {

  468. 					const tuple = this.#idToTestCase[testId];

  469. 					if (!tuple) return;

  470. 					/** @type {TestClassRunner} */

  471. 					const testClass = tuple[0];

  472. 					/** @type {TestCaseRunner} */

  473. 					const testCase = tuple[1];

  474. 					testCase.result = ResultType.untested;

  475. 					testCase.updateHTML();

  476. 					this.#testQueue.push([testClass, testCase]);

  477. 					this.#isRerunning = true;

  478. 					this.#runTestQueue();

  479. 				}

  480. 			}

  481. 		</script>

  482. 		<!-- Tests -->

  483. 		<script>

  484. 			function onLoad() {

  485. 				let testClasses = [

  486. 					TokenTests,

  487. 					UtilsTests,

  488. 					InlineTests,

  489. 					BlockTests,

  490. 					CellValueTests,

  491. 					CellAddressRangeTests,

  492. 					ExpressionSetTests,

  493. 					SpreadsheetMarkdownIntegrationTests,

  494. 				];

  495. 				TestClassRunner.runAll(testClasses);

  496. 			}

  497. 			document.addEventListener('DOMContentLoaded', onLoad);

  498. 

  499. 			function normalizeWhitespace(str) {

  500. 				return str.replace(/\s+/g, ' ').replace(/(?:^\s+|\s+$)/g, '');

  501. 			}

  502. 

  503. 			class TokenTests extends BaseTest {

  504. 				test_findFirstTokens() {

  505. 					const tokens = [

  506. 						new MDToken('Lorem', MDTokenType.Text),

  507. 						new MDToken(' ', MDTokenType.Whitespace),

  508. 						new MDToken('_', MDTokenType.Underscore),

  509. 						new MDToken('ipsum', MDTokenType.Text),

  510. 						new MDToken('_', MDTokenType.Underscore),

  511. 						new MDToken(' ', MDTokenType.Whitespace),

  512. 						new MDToken('dolor', MDTokenType.Text),

  513. 						new MDToken('_', MDTokenType.Underscore),

  514. 						new MDToken('sit', MDTokenType.Text),

  515. 						new MDToken('_', MDTokenType.Underscore),

  516. 					];

  517. 					const pattern = [

  518. 						MDTokenType.Underscore,

  519. 					];

  520. 					const result = MDToken.findFirstTokens(tokens, pattern);

  521. 					const expected = {

  522. 						tokens: [ tokens[2] ],

  523. 						index: 2,

  524. 					};

  525. 					this.assertEqual(result, expected);

  526. 				}

  527. 

  528. 				test_findFirstTokens_optionalWhitespace1() {

  529. 					const tokens = [

  530. 						new MDToken('Lorem', MDTokenType.Text),

  531. 						new MDToken(' ', MDTokenType.Whitespace),

  532. 						new MDToken('[ipsum]', MDTokenType.Label, 'ipsum'),

  533. 						new MDToken('(link.html)', MDTokenType.URL, 'link.html'),

  534. 						new MDToken(' ', MDTokenType.Whitespace),

  535. 						new MDToken('dolor', MDTokenType.Text),

  536. 					];

  537. 					const pattern = [

  538. 						MDTokenType.Label,

  539. 						MDTokenType.META_OptionalWhitespace,

  540. 						MDTokenType.URL,

  541. 					];

  542. 					const result = MDToken.findFirstTokens(tokens, pattern);

  543. 					const expected = {

  544. 						tokens: [ tokens[2], tokens[3] ],

  545. 						index: 2,

  546. 					};

  547. 					this.assertEqual(result, expected);

  548. 				}

  549. 

  550. 				test_findFirstTokens_optionalWhitespace2() {

  551. 					const tokens = [

  552. 						new MDToken('Lorem', MDTokenType.Text),

  553. 						new MDToken(' ', MDTokenType.Whitespace),

  554. 						new MDToken('[ipsum]', MDTokenType.Label, 'ipsum'),

  555. 						new MDToken(' ', MDTokenType.Whitespace),

  556. 						new MDToken('(link.html)', MDTokenType.URL, 'link.html'),

  557. 						new MDToken(' ', MDTokenType.Whitespace),

  558. 						new MDToken('dolor', MDTokenType.Text),

  559. 					];

  560. 					const pattern = [

  561. 						MDTokenType.Label,

  562. 						MDTokenType.META_OptionalWhitespace,

  563. 						MDTokenType.URL,

  564. 					];

  565. 					const result = MDToken.findFirstTokens(tokens, pattern);

  566. 					const expected = {

  567. 						tokens: [ tokens[2], tokens[3], tokens[4] ],

  568. 						index: 2,

  569. 					};

  570. 					this.assertEqual(result, expected);

  571. 				}

  572. 

  573. 				test_findPairedTokens() {

  574. 					const tokens = [

  575. 						new MDToken('Lorem', MDTokenType.Text),

  576. 						new MDToken(' ', MDTokenType.Whitespace),

  577. 						new MDToken('_', MDTokenType.Underscore),

  578. 						new MDToken('ipsum', MDTokenType.Text),

  579. 						new MDToken('_', MDTokenType.Underscore),

  580. 						new MDToken(' ', MDTokenType.Whitespace),

  581. 						new MDToken('dolor', MDTokenType.Text),

  582. 						new MDToken('_', MDTokenType.Underscore),

  583. 						new MDToken('sit', MDTokenType.Text),

  584. 						new MDToken('_', MDTokenType.Underscore),

  585. 					];

  586. 					const pattern = [

  587. 						MDTokenType.Underscore,

  588. 					];

  589. 					const result = MDToken.findPairedTokens(tokens, pattern, pattern);

  590. 					const expected = {

  591. 						startTokens: [ tokens[2] ],

  592. 						contentTokens: [ tokens[3] ],

  593. 						endTokens: [ tokens[4] ],

  594. 						startIndex: 2,

  595. 						contentIndex: 3,

  596. 						endIndex: 4,

  597. 						totalLength: 3,

  598. 					}

  599. 					this.assertEqual(result, expected);

  600. 				}

  601. 			}

  602. 

  603. 			class UtilsTests extends BaseTest {

  604. 				test_stripIndent() {

  605. 					this.assertEqual(MDUtils.stripIndent(''), '');

  606. 					this.assertEqual(MDUtils.stripIndent('  '), '');

  607. 					this.assertEqual(MDUtils.stripIndent('foo'), 'foo');

  608. 					this.assertEqual(MDUtils.stripIndent(' foo'), 'foo');

  609. 					this.assertEqual(MDUtils.stripIndent('  foo'), 'foo');

  610. 					this.assertEqual(MDUtils.stripIndent('   foo'), 'foo');

  611. 					this.assertEqual(MDUtils.stripIndent('    foo'), 'foo');

  612. 					this.assertEqual(MDUtils.stripIndent('     foo'), ' foo');

  613. 					this.assertEqual(MDUtils.stripIndent('\tfoo'), 'foo');

  614. 					this.assertEqual(MDUtils.stripIndent('\t\tfoo'), '\tfoo');

  615. 					this.assertEqual(MDUtils.stripIndent('\t\tfoo', 2), 'foo');

  616. 					this.assertEqual(MDUtils.stripIndent('      foo', 2), 'foo');

  617. 				}

  618. 

  619. 				test_countIndents() {

  620. 					this.assertEqual(MDUtils.countIndents(''), 0);

  621. 					this.assertEqual(MDUtils.countIndents('  '), 1);

  622. 					this.assertEqual(MDUtils.countIndents('    '), 1);

  623. 					this.assertEqual(MDUtils.countIndents('foo'), 0);

  624. 					this.assertEqual(MDUtils.countIndents('foo'), 0);

  625. 					this.assertEqual(MDUtils.countIndents(' foo'), 1);

  626. 					this.assertEqual(MDUtils.countIndents('  foo'), 1);

  627. 					this.assertEqual(MDUtils.countIndents('   foo'), 1);

  628. 					this.assertEqual(MDUtils.countIndents('    foo'), 1);

  629. 					this.assertEqual(MDUtils.countIndents('     foo'), 2);

  630. 					this.assertEqual(MDUtils.countIndents('\tfoo'), 1);

  631. 					this.assertEqual(MDUtils.countIndents('\t\tfoo'), 2);

  632. 

  633. 					this.assertEqual(MDUtils.countIndents('', true), 0);

  634. 					this.assertEqual(MDUtils.countIndents('  ', true), 0);

  635. 					this.assertEqual(MDUtils.countIndents('    ', true), 1);

  636. 					this.assertEqual(MDUtils.countIndents('foo', true), 0);

  637. 					this.assertEqual(MDUtils.countIndents(' foo', true), 0);

  638. 					this.assertEqual(MDUtils.countIndents('  foo', true), 0);

  639. 					this.assertEqual(MDUtils.countIndents('   foo', true), 0);

  640. 					this.assertEqual(MDUtils.countIndents('    foo', true), 1);

  641. 					this.assertEqual(MDUtils.countIndents('     foo', true), 1);

  642. 					this.assertEqual(MDUtils.countIndents('\tfoo', true), 1);

  643. 					this.assertEqual(MDUtils.countIndents('\t\tfoo', true), 2);

  644. 				}

  645. 

  646. 				test_tokenizeLabel() {

  647. 					// Escapes are preserved

  648. 					this.assertEqual(MDToken.tokenizeLabel('[foo] bar'), [ '[foo]', 'foo' ]);

  649. 					this.assertEqual(MDToken.tokenizeLabel('[foo\\[] bar'), [ '[foo\\[]', 'foo\\[' ]);

  650. 					this.assertEqual(MDToken.tokenizeLabel('[foo\\]] bar'), [ '[foo\\]]', 'foo\\]' ]);

  651. 					this.assertEqual(MDToken.tokenizeLabel('[foo[]] bar'), [ '[foo[]]', 'foo[]' ]);

  652. 					this.assertEqual(MDToken.tokenizeLabel('[foo\\(] bar'), [ '[foo\\(]', 'foo\\(' ]);

  653. 					this.assertEqual(MDToken.tokenizeLabel('[foo\\)] bar'), [ '[foo\\)]', 'foo\\)' ]);

  654. 					this.assertEqual(MDToken.tokenizeLabel('[foo()] bar'), [ '[foo()]', 'foo()' ]);

  655. 

  656. 					this.assertEqual(MDToken.tokenizeLabel('foo bar'), null);

  657. 					this.assertEqual(MDToken.tokenizeLabel('[foo\\] bar'), null);

  658. 					this.assertEqual(MDToken.tokenizeLabel('[foo bar'), null);

  659. 					this.assertEqual(MDToken.tokenizeLabel('[foo[] bar'), null);

  660. 				}

  661. 

  662. 				test_tokenizeURL() {

  663. 					this.assertEqual(MDToken.tokenizeURL('(page.html) foo'), [ '(page.html)', 'page.html', null ]);

  664. 					this.assertEqual(MDToken.tokenizeURL('(page.html "link title") foo'), [ '(page.html "link title")', 'page.html', 'link title' ]);

  665. 					this.assertEqual(MDToken.tokenizeURL('(https://example.com/path/page.html?query=foo&bar=baz#fragment) foo'), [ '(https://example.com/path/page.html?query=foo&bar=baz#fragment)', 'https://example.com/path/page.html?query=foo&bar=baz#fragment', null ]);

  666. 

  667. 					this.assertEqual(MDToken.tokenizeURL('page.html foo'), null);

  668. 					this.assertEqual(MDToken.tokenizeURL('(page.html foo'), null);

  669. 					this.assertEqual(MDToken.tokenizeURL('page.html) foo'), null);

  670. 					this.assertEqual(MDToken.tokenizeURL('(page.html "title) foo'), null);

  671. 					this.assertEqual(MDToken.tokenizeURL('(page .html) foo'), null);

  672. 					this.assertEqual(MDToken.tokenizeURL('(user@example.com) foo'), null);

  673. 					this.assertEqual(MDToken.tokenizeURL('(user@example.com "title") foo'), null);

  674. 				}

  675. 

  676. 				test_tokenizeEmail() {

  677. 					this.assertEqual(MDToken.tokenizeEmail('(user@example.com)'), [ '(user@example.com)', 'user@example.com', null ]);

  678. 					this.assertEqual(MDToken.tokenizeEmail('(user@example.com "link title")'), [ '(user@example.com "link title")', 'user@example.com', 'link title' ]);

  679. 

  680. 					this.assertEqual(MDToken.tokenizeEmail('(https://example.com) foo'), null);

  681. 					this.assertEqual(MDToken.tokenizeEmail('(https://example.com "link title") foo'), null);

  682. 					this.assertEqual(MDToken.tokenizeEmail('(user@example.com "link title) foo'), null);

  683. 					this.assertEqual(MDToken.tokenizeEmail('(user@example.com foo'), null);

  684. 					this.assertEqual(MDToken.tokenizeEmail('user@example.com) foo'), null);

  685. 				}

  686. 			}

  687. 

  688. 			class InlineTests extends BaseTest {

  689. 				/** @type {Markdown} */

  690. 				parser;

  691. 				md(markdown) {

  692. 					return normalizeWhitespace(this.parser.toHTML(markdown));

  693. 				}

  694. 			

  695. 				setUp() {

  696. 					this.parser = Markdown.completeParser;

  697. 				}

  698. 

  699. 				test_simpleText() {

  700. 					let markdown = 'Lorem ipsum';

  701. 					let expected = 'Lorem ipsum';

  702. 					let actual = this.md(markdown);

  703. 					this.assertEqual(actual, expected);

  704. 				}

  705. 

  706. 				test_strong() {

  707. 					let markdown = 'Lorem **ipsum** dolor **sit**';

  708. 					let expected = 'Lorem <strong>ipsum</strong> dolor <strong>sit</strong>';

  709. 					let actual = this.md(markdown);

  710. 					this.assertEqual(actual, expected);

  711. 				}

  712. 

  713. 				test_emphasis() {

  714. 					let markdown = 'Lorem _ipsum_ dolor _sit_';

  715. 					let expected = 'Lorem <em>ipsum</em> dolor <em>sit</em>';

  716. 					let actual = this.md(markdown);

  717. 					this.assertEqual(actual, expected);

  718. 				}

  719. 

  720. 				test_strongEmphasis_cleanNesting1() {

  721. 					let markdown = 'Lorem **ipsum *dolor* sit** amet';

  722. 					let expected = 'Lorem <strong>ipsum <em>dolor</em> sit</strong> amet';

  723. 					let actual = this.md(markdown);

  724. 					this.assertEqual(actual, expected);

  725. 				}

  726. 

  727. 				test_strongEmphasis_cleanNesting2() {

  728. 					let markdown = 'Lorem *ipsum **dolor** sit* amet';

  729. 					let expected = 'Lorem <em>ipsum <strong>dolor</strong> sit</em> amet';

  730. 					let actual = this.md(markdown);

  731. 					this.assertEqual(actual, expected);

  732. 				}

  733. 

  734. 				test_strongEmphasis_tightNesting() {

  735. 					let markdown = 'Lorem ***ipsum*** dolor';

  736. 					let expected1 = 'Lorem <strong><em>ipsum</em></strong> dolor';

  737. 					let expected2 = 'Lorem <em><strong>ipsum</strong></em> dolor';

  738. 					let actual = this.md(markdown);

  739. 					this.assertTrue(actual == expected1 || actual == expected2);

  740. 				}

  741. 

  742. 				test_strongEmphasis_lopsidedNesting1() {

  743. 					let markdown = 'Lorem ***ipsum* dolor** sit';

  744. 					let expected = 'Lorem <strong><em>ipsum</em> dolor</strong> sit';

  745. 					let actual = this.md(markdown);

  746. 					this.assertEqual(actual, expected);

  747. 				}

  748. 

  749. 				test_strongEmphasis_lopsidedNesting2() {

  750. 					let markdown = 'Lorem ***ipsum** dolor* sit';

  751. 					let expected = 'Lorem <em><strong>ipsum</strong> dolor</em> sit';

  752. 					let actual = this.md(markdown);

  753. 					this.assertEqual(actual, expected);

  754. 				}

  755. 

  756. 				test_strongEmphasis_lopsidedNesting3() {

  757. 					let markdown = 'Lorem **ipsum *dolor*** sit';

  758. 					let expected = 'Lorem <strong>ipsum <em>dolor</em></strong> sit';

  759. 					let actual = this.md(markdown);

  760. 					this.assertEqual(actual, expected);

  761. 				}

  762. 

  763. 				test_strongEmphasis_lopsidedNesting4() {

  764. 					let markdown = 'Lorem *ipsum **dolor*** sit';

  765. 					let expected = 'Lorem <em>ipsum <strong>dolor</strong></em> sit';

  766. 					let actual = this.md(markdown);

  767. 					this.assertEqual(actual, expected);

  768. 				}

  769. 

  770. 				test_inlineCode() {

  771. 					let markdown = 'Lorem `ipsum` dolor';

  772. 					let expected = 'Lorem <code>ipsum</code> dolor';

  773. 					let actual = this.md(markdown);

  774. 					this.assertEqual(actual, expected);

  775. 				}

  776. 

  777. 				test_inlineCode_withInnerBacktick() {

  778. 					let markdown = 'Lorem ``ip`su`m`` dolor';

  779. 					let expected = 'Lorem <code>ip`su`m</code> dolor';

  780. 					let actual = this.md(markdown);

  781. 					this.assertEqual(actual, expected);

  782. 				}

  783. 

  784. 				test_strikethrough_double() {

  785. 					let markdown = 'Lorem ~~ipsum~~ dolor';

  786. 					let expected = 'Lorem <s>ipsum</s> dolor';

  787. 					let actual = this.md(markdown);

  788. 					this.assertEqual(actual, expected);

  789. 				}

  790. 

  791. 				test_subscript() {

  792. 					let markdown = 'H~2~O';

  793. 					let expected = 'H<sub>2</sub>O';

  794. 					let actual = this.md(markdown);

  795. 					this.assertEqual(actual, expected);

  796. 				}

  797. 

  798. 				test_superscript() {

  799. 					let markdown = 'E=mc^2^';

  800. 					let expected = 'E=mc<sup>2</sup>';

  801. 					let actual = this.md(markdown);

  802. 					this.assertEqual(actual, expected);

  803. 				}

  804. 

  805. 				test_highlight() {

  806. 					let markdown = 'Lorem ==ipsum== dolor';

  807. 					let expected = 'Lorem <mark>ipsum</mark> dolor';

  808. 					let actual = this.md(markdown);

  809. 					this.assertEqual(actual, expected);

  810. 				}

  811. 

  812. 				test_underline() {

  813. 					let markdown = 'Lorem __ipsum__ dolor';

  814. 					let expected = 'Lorem <u>ipsum</u> dolor';

  815. 					let actual = this.md(markdown);

  816. 					this.assertEqual(actual, expected);

  817. 				}

  818. 

  819. 				test_link_fullyQualified() {

  820. 					let markdown = 'Lorem [ipsum](https://example.com/path/page.html) dolor';

  821. 					let expected = 'Lorem <a href="https://example.com/path/page.html">ipsum</a> dolor';

  822. 					let actual = this.md(markdown);

  823. 					this.assertEqual(actual, expected);

  824. 				}

  825. 

  826. 				test_link_relative() {

  827. 					let markdown = 'Lorem [ipsum](page.html) dolor';

  828. 					let expected = 'Lorem <a href="page.html">ipsum</a> dolor';

  829. 					let actual = this.md(markdown);

  830. 					this.assertEqual(actual, expected);

  831. 				}

  832. 

  833. 				test_link_title() {

  834. 					let markdown = 'Lorem [ipsum](page.html "link title") dolor';

  835. 					let expected = 'Lorem <a href="page.html" title="link title">ipsum</a> dolor';

  836. 					let actual = this.md(markdown);

  837. 					this.assertEqual(actual, expected);

  838. 				}

  839. 

  840. 				test_link_literal() {

  841. 					let markdown = 'Lorem <https://example.com> dolor';

  842. 					let expected = 'Lorem <a href="https://example.com">https://example.com</a> dolor';

  843. 					let actual = this.md(markdown);

  844. 					this.assertEqual(actual, expected);

  845. 				}

  846. 

  847. 				test_link_ref() {

  848. 					let markdown = "Lorem [ipsum][ref] dolor\n\n[ref]: https://example.com";

  849. 					let expected = '<p>Lorem <a href="https://example.com">ipsum</a> dolor</p>';

  850. 					let actual = this.md(markdown);

  851. 					this.assertEqual(actual, expected);

  852. 				}

  853. 

  854. 				test_link_email() {

  855. 					let markdown = 'Lorem [ipsum](user@example.com) dolor';

  856. 					let expected = 'Lorem <a href="mailto:&#117;&#115;&#101;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;">ipsum</a> dolor';

  857. 					let actual = this.md(markdown);

  858. 					this.assertEqual(actual, expected);

  859. 				}

  860. 

  861. 				test_link_email_withTitle() {

  862. 					let markdown = 'Lorem [ipsum](user@example.com "title") dolor';

  863. 					let expected = 'Lorem <a href="mailto:&#117;&#115;&#101;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;" title="title">ipsum</a> dolor';

  864. 					let actual = this.md(markdown);

  865. 					this.assertEqual(actual, expected);

  866. 				}

  867. 

  868. 				test_link_literalEmail() {

  869. 					let markdown = 'Lorem <user@example.com> dolor';

  870. 					let expected = 'Lorem <a href="mailto:&#117;&#115;&#101;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;">&#117;&#115;&#101;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;</a> dolor';

  871. 					let actual = this.md(markdown);

  872. 					this.assertEqual(actual, expected);

  873. 				}

  874. 

  875. 				test_link_image() {

  876. 					let markdown = 'Lorem [![alt](image.jpg)](page.html) ipsum';

  877. 					let expected = 'Lorem <a href="page.html"><img src="image.jpg" alt="alt"></a> ipsum';

  878. 					let actual = this.md(markdown);

  879. 					this.assertEqual(actual, expected);

  880. 				}

  881. 

  882. 				test_link_image_complex() {

  883. 					let markdown = 'Lorem [![alt] (image.jpg "image title")] (page.html "link title") ipsum';

  884. 					let expected = 'Lorem <a href="page.html" title="link title"><img src="image.jpg" alt="alt" title="image title"></a> ipsum';

  885. 					let actual = this.md(markdown);

  886. 					this.assertEqual(actual, expected);

  887. 				}

  888. 

  889. 				test_image() {

  890. 					let markdown = 'Lorem ![alt text](image.jpg) dolor';

  891. 					let expected = 'Lorem <img src="image.jpg" alt="alt text"> dolor';

  892. 					let actual = this.md(markdown);

  893. 					this.assertEqual(actual, expected);

  894. 				}

  895. 

  896. 				test_image_noAlt() {

  897. 					let markdown = 'Lorem ![](image.jpg) dolor';

  898. 					let expected = 'Lorem <img src="image.jpg"> dolor';

  899. 					let actual = this.md(markdown);

  900. 					this.assertEqual(actual, expected);

  901. 				}

  902. 

  903. 				test_image_withTitle() {

  904. 					let markdown = 'Lorem ![alt text](image.jpg "image title") dolor';

  905. 					let expected = 'Lorem <img src="image.jpg" alt="alt text" title="image title"> dolor';

  906. 					let actual = this.md(markdown);

  907. 					this.assertEqual(actual, expected);

  908. 				}

  909. 

  910. 				test_image_ref() {

  911. 					let markdown = 'Lorem ![alt text][ref] dolor\n\n' +

  912. 						'[ref]: image.jpg "image title"';

  913. 					let expected = '<p>Lorem <img src="image.jpg" alt="alt text" title="image title"> dolor</p>';

  914. 					let actual = this.md(markdown);

  915. 					this.assertEqual(actual, expected);

  916. 				}

  917. 

  918. 				test_htmlTags() {

  919. 					let markdown = 'Lorem <strong title=\'with " quote\' id="with \' apostrophe" lang=unquoted translate forbidden="true">ipsum</strong> dolor';

  920. 					let expected = 'Lorem <strong title="with &quot; quote" id="with \' apostrophe" lang="unquoted" translate>ipsum</strong> dolor';

  921. 					let actual = this.md(markdown);

  922. 					this.assertEqual(actual, expected);

  923. 				}

  924. 			}

  925. 

  926. 			class BlockTests extends BaseTest {

  927. 				/** @type {Markdown} */

  928. 				parser;

  929. 				md(markdown) {

  930. 					return normalizeWhitespace(this.parser.toHTML(markdown));

  931. 				}

  932. 			

  933. 				setUp() {

  934. 					this.parser = Markdown.completeParser;

  935. 				}

  936. 

  937. 				test_paragraphs() {

  938. 					let markdown = "Lorem ipsum\n\nDolor sit amet";

  939. 					let expected = "<p>Lorem ipsum</p> <p>Dolor sit amet</p>";

  940. 					let actual = this.md(markdown);

  941. 					this.assertEqual(actual, expected);

  942. 				}

  943. 

  944. 				test_paragraph_lineGrouping() {

  945. 					let markdown = "Lorem ipsum\ndolor sit amet";

  946. 					let expected = "Lorem ipsum dolor sit amet";

  947. 					let actual = this.md(markdown);

  948. 					this.assertEqual(actual, expected);

  949. 				}

  950. 

  951. 				test_header_underlineH1() {

  952. 					let markdown = "Header 1\n===\n\nLorem ipsum";

  953. 					let expected = "<h1>Header 1</h1> <p>Lorem ipsum</p>";

  954. 					let actual = this.md(markdown);

  955. 					this.assertEqual(actual, expected);

  956. 				}

  957. 

  958. 				test_header_underlineH2() {

  959. 					let markdown = "Header 2\n---\n\nLorem ipsum";

  960. 					let expected = "<h2>Header 2</h2> <p>Lorem ipsum</p>";

  961. 					let actual = this.md(markdown);

  962. 					this.assertEqual(actual, expected);

  963. 				}

  964. 

  965. 				test_header_hash() {

  966. 					let markdown = "# Header 1\n## Header 2\n### Header 3\n#### Header 4\n##### Header 5\n###### Header 6\n";

  967. 					let expected = '<h1>Header 1</h1> <h2>Header 2</h2> <h3>Header 3</h3> <h4>Header 4</h4> <h5>Header 5</h5> <h6>Header 6</h6>';

  968. 					let actual = this.md(markdown);

  969. 					this.assertEqual(actual, expected);

  970. 				}

  971. 

  972. 				test_header_hash_trailing() {

  973. 					let markdown = "# Header 1 #\n## Header 2 ##\n### Header 3 ######";

  974. 					let expected = '<h1>Header 1</h1> <h2>Header 2</h2> <h3>Header 3</h3>';

  975. 					let actual = this.md(markdown);

  976. 					this.assertEqual(actual, expected);

  977. 				}

  978. 

  979. 				test_unorderedList() {

  980. 					let markdown = "* Lorem\n* Ipsum\n* Dolor";

  981. 					let expected = '<ul> <li>Lorem</li> <li>Ipsum</li> <li>Dolor</li> </ul>';

  982. 					let actual = this.md(markdown);

  983. 					this.assertEqual(actual, expected);

  984. 				}

  985. 

  986. 				test_unorderedList_nested() {

  987. 					let markdown = "* Lorem\n + Ipsum\n* Dolor";

  988. 					let expected = '<ul> <li>Lorem<ul> <li>Ipsum</li> </ul> </li> <li>Dolor</li> </ul>';

  989. 					let actual = this.md(markdown);

  990. 					this.assertEqual(actual, expected);

  991. 				}

  992. 

  993. 				test_unorderedList_hitch() {

  994. 					// This incomplete bulleted list locked up the browser at one

  995. 					// point, not forever but a REALLY long time

  996. 					this.profile(1.0, () => {

  997. 						let markdown = "Testing\n\n* ";

  998. 						let expected = '<p>Testing</p> <ul> <li></li> </ul>';

  999. 						let actual = this.md(markdown);

  1000. 						this.assertEqual(actual, expected);

  1001. 					});

  1002. 				}

  1003. 

  1004. 				test_orderedList() {

  1005. 					let markdown = "1. Lorem\n1. Ipsum\n5. Dolor";

  1006. 					let expected = '<ol> <li>Lorem</li> <li>Ipsum</li> <li>Dolor</li> </ol>';

  1007. 					let actual = this.md(markdown);

  1008. 					this.assertEqual(actual, expected);

  1009. 				}

  1010. 

  1011. 				test_orderedList_numbering() {

  1012. 					let markdown = "4. Lorem\n1. Ipsum\n9. Dolor";

  1013. 					let expected = '<ol start="4"> <li>Lorem</li> <li>Ipsum</li> <li>Dolor</li> </ol>';

  1014. 					let actual = this.md(markdown);

  1015. 					this.assertEqual(actual, expected);

  1016. 				}

  1017. 

  1018. 				test_orderedList_nested1() {

  1019. 					let markdown = "1. Lorem\n 1. Ipsum\n1. Dolor";

  1020. 					let expected = '<ol> <li>Lorem<ol> <li>Ipsum</li> </ol> </li> <li>Dolor</li> </ol>';

  1021. 					let actual = this.md(markdown);

  1022. 					this.assertEqual(actual, expected);

  1023. 				}

  1024. 

  1025. 				test_orderedList_nested2() {

  1026. 					let markdown = "1. Lorem\n 1. Ipsum\n      1. Dolor\n 1. Sit\n1. Amet";

  1027. 					let expected = '<ol> <li>Lorem<ol> <li>Ipsum<ol> <li>Dolor</li> </ol> </li> <li>Sit</li> </ol> </li> <li>Amet</li> </ol>';

  1028. 					let actual = this.md(markdown);

  1029. 					this.assertEqual(actual, expected);

  1030. 				}

  1031. 

  1032. 				test_blockquote() {

  1033. 					let markdown = '> Lorem ipsum dolor';

  1034. 					let expected = '<blockquote>Lorem ipsum dolor</blockquote>';

  1035. 					let actual = this.md(markdown);

  1036. 					this.assertEqual(actual, expected);

  1037. 				}

  1038. 

  1039. 				test_blockquote_paragraphs() {

  1040. 					let markdown = '> Lorem ipsum dolor\n>\n>Sit amet';

  1041. 					let expected = '<blockquote> <p>Lorem ipsum dolor</p> <p>Sit amet</p> </blockquote>';

  1042. 					let actual = this.md(markdown);

  1043. 					this.assertEqual(actual, expected);

  1044. 				}

  1045. 

  1046. 				test_blockquote_list() {

  1047. 					let markdown = '> 1. Lorem\n> 2. Ipsum';

  1048. 					let expected = '<blockquote> <ol> <li>Lorem</li> <li>Ipsum</li> </ol> </blockquote>';

  1049. 					let actual = this.md(markdown);

  1050. 					this.assertEqual(actual, expected);

  1051. 				}

  1052. 

  1053. 				test_codeBlock_indented() {

  1054. 					let markdown = "Code\n\n    function foo() {\n        return 'bar';\n    }\n\nend";

  1055. 					let expected = "<p>Code</p>\n\n<pre><code>function foo() {\n    return 'bar';\n}</code></pre>\n\n<p>end</p>";

  1056. 					let actual = this.parser.toHTML(markdown).trim(); // don't normalize whitespace

  1057. 					this.assertEqual(actual.replace(/ /g, '⎵'), expected.replace(/ /g, '⎵'));

  1058. 				}

  1059. 

  1060. 				test_codeBlock_fenced() {

  1061. 					let markdown = "Code\n\n```\nfunction foo() {\n    return 'bar';\n}\n```\n\nend";

  1062. 					let expected = "<p>Code</p>\n\n<pre><code>function foo() {\n    return 'bar';\n}</code></pre>\n\n<p>end</p>";

  1063. 					let actual = this.parser.toHTML(markdown).trim(); // don't normalize whitespace

  1064. 					this.assertEqual(actual.replace(/ /g, '⎵'), expected.replace(/ /g, '⎵'));

  1065. 				}

  1066. 

  1067. 				test_codeBlock_fenced_language() {

  1068. 					let markdown = "Code\n\n```javascript\nfunction foo() {\n    return 'bar';\n}\n```\n\nend";

  1069. 					let expected = "<p>Code</p>\n\n<pre><code class=\"language-javascript\">function foo() {\n    return 'bar';\n}</code></pre>\n\n<p>end</p>";

  1070. 					let actual = this.parser.toHTML(markdown).trim(); // don't normalize whitespace

  1071. 					this.assertEqual(actual.replace(/ /g, '⎵'), expected.replace(/ /g, '⎵'));

  1072. 				}

  1073. 

  1074. 				test_horizontalRule() {

  1075. 					let markdown = "Before\n\n---\n\n- - -\n\n***\n\n* * * * * * *\n\nafter";

  1076. 					let expected = "<p>Before</p> <hr> <hr> <hr> <hr> <p>after</p>";

  1077. 					let actual = this.md(markdown);

  1078. 					this.assertEqual(actual, expected);

  1079. 				}

  1080. 

  1081. 				test_table_unfenced() {

  1082. 					let markdown = "Column A | Column B | Column C\n--- | --- | ---\n1 | 2 | 3\n4 | 5 | 6";

  1083. 					let expected = "<table> <thead> <tr> <th>Column A</th> <th>Column B</th> <th>Column C</th> </tr> </thead> <tbody> <tr> <td>1</td> <td>2</td> <td>3</td> </tr> <tr> <td>4</td> <td>5</td> <td>6</td> </tr> </tbody> </table>";

  1084. 					let actual = this.md(markdown);

  1085. 					this.assertEqual(actual, expected);

  1086. 				}

  1087. 

  1088. 				test_table_fenced() {

  1089. 					let markdown = "| Column A | Column B | Column C |\n| --- | --- | --- |\n| 1 | 2 | 3\n4 | 5 | 6 |";

  1090. 					let expected = "<table> <thead> <tr> <th>Column A</th> <th>Column B</th> <th>Column C</th> </tr> </thead> <tbody> <tr> <td>1</td> <td>2</td> <td>3</td> </tr> <tr> <td>4</td> <td>5</td> <td>6</td> </tr> </tbody> </table>";

  1091. 					let actual = this.md(markdown);

  1092. 					this.assertEqual(actual, expected);

  1093. 				}

  1094. 

  1095. 				test_table_alignment() {

  1096. 					let markdown = 'Column A | Column B | Column C\n' +

  1097. 						':--- | :---: | ---:\n' +

  1098. 						'1 | 2 | 3\n' +

  1099. 						'4 | 5 | 6';

  1100. 					let expected = '<table> ' +

  1101. 						'<thead> ' +

  1102. 						'<tr> ' +

  1103. 						'<th style="text-align: left;">Column A</th> ' +

  1104. 						'<th style="text-align: center;">Column B</th> ' +

  1105. 						'<th style="text-align: right;">Column C</th> ' +

  1106. 						'</tr> ' +

  1107. 						'</thead> ' +

  1108. 						'<tbody> ' +

  1109. 						'<tr> ' +

  1110. 						'<td style="text-align: left;">1</td> ' +

  1111. 						'<td style="text-align: center;">2</td> ' +

  1112. 						'<td style="text-align: right;">3</td> ' +

  1113. 						'</tr> ' +

  1114. 						'<tr> ' +

  1115. 						'<td style="text-align: left;">4</td> ' +

  1116. 						'<td style="text-align: center;">5</td> ' +

  1117. 						'<td style="text-align: right;">6</td> ' +

  1118. 						'</tr> ' +

  1119. 						'</tbody> ' +

  1120. 						'</table>';

  1121. 					let actual = this.md(markdown);

  1122. 					this.assertEqual(actual, expected);

  1123. 				}

  1124. 

  1125. 				test_table_holes() {

  1126. 					let markdown = 'Column A||Column C\n' +

  1127. 						'---|---|---\n' +

  1128. 						'|1|2||\n' +

  1129. 						'|4||6|\n' +

  1130. 						'||8|9|';

  1131. 					let expected = '<table> ' +

  1132. 						'<thead> ' +

  1133. 						'<tr> ' +

  1134. 						'<th>Column A</th> ' +

  1135. 						'<th></th> ' +

  1136. 						'<th>Column C</th> ' +

  1137. 						'</tr> ' +

  1138. 						'</thead> ' +

  1139. 						'<tbody> ' +

  1140. 						'<tr> ' +

  1141. 						'<td>1</td> ' +

  1142. 						'<td>2</td> ' +

  1143. 						'<td></td> ' +

  1144. 						'</tr> ' +

  1145. 						'<tr> ' +

  1146. 						'<td>4</td> ' +

  1147. 						'<td></td> ' +

  1148. 						'<td>6</td> ' +

  1149. 						'</tr> ' +

  1150. 						'<tr> ' +

  1151. 						'<td></td> ' +

  1152. 						'<td>8</td> ' +

  1153. 						'<td>9</td> ' +

  1154. 						'</tr> ' +

  1155. 						'</tbody> ' +

  1156. 						'</table>';

  1157. 					let actual = this.md(markdown);

  1158. 					this.assertEqual(actual, expected);

  1159. 				}

  1160. 

  1161. 				test_definitionList() {

  1162. 					let markdown = 'term\n' +

  1163. 						': definition\n' +

  1164. 						'another' +

  1165. 						' term\n' +

  1166. 						': def 1\n' +

  1167. 						' broken on next line\n' +

  1168. 						': def 2';

  1169. 					let expected = '<dl> ' +

  1170. 						'<dt>term</dt> ' +

  1171. 						'<dd>definition</dd> ' +

  1172. 						'<dt>another term</dt> ' +

  1173. 						'<dd>def 1 broken on next line</dd> ' +

  1174. 						'<dd>def 2</dd> ' +

  1175. 						'</dl>';

  1176. 					let actual = this.md(markdown);

  1177. 					this.assertEqual(actual, expected);

  1178. 				}

  1179. 

  1180. 				test_footnotes() {

  1181. 					let markdown = 'Lorem ipsum[^1] dolor[^abc] sit[^1] amet\n\n[^1]: A footnote\n[^abc]: Another footnote';

  1182. 					let expected = '<p>Lorem ipsum<sup class="footnote" id="footnoteref_1"><a href="#footnote_1">1</a></sup> ' +

  1183. 						'dolor<sup class="footnote" id="footnoteref_2"><a href="#footnote_2">2</a></sup> ' +

  1184. 						'sit<sup class="footnote" id="footnoteref_3"><a href="#footnote_1">1</a></sup> amet</p> ' +

  1185. 						'<div class="footnotes">' +

  1186. 						'<ol>' +

  1187. 						'<li value="1" id="footnote_1">A footnote <a href="#footnoteref_1" class="footnote-backref">↩︎</a> <a href="#footnoteref_3" class="footnote-backref">↩︎</a></li> ' +

  1188. 						'<li value="2" id="footnote_2">Another footnote <a href="#footnoteref_2" class="footnote-backref">↩︎</a></li> ' +

  1189. 						'</ol>' +

  1190. 						'</div>';

  1191. 					let actual = this.md(markdown);

  1192. 					this.assertEqual(actual, expected);

  1193. 				}

  1194. 

  1195. 				test_abbreviations() {

  1196. 					let markdown = 'Lorem ipsum HTML dolor HTML sit\n' +

  1197. 						'\n' +

  1198. 						'*[HTML]: Hypertext Markup Language';

  1199. 					let expected = '<p>Lorem ipsum <abbr title="Hypertext Markup Language">HTML</abbr> dolor <abbr title="Hypertext Markup Language">HTML</abbr> sit</p>';

  1200. 					let actual = this.md(markdown);

  1201. 					this.assertEqual(actual, expected);

  1202. 				}

  1203. 			}

  1204. 

  1205. 			class CellValueTests extends BaseTest {

  1206. 				test_fromCellString_blank() {

  1207. 					var value;

  1208. 					value = CellValue.fromCellString('');

  1209. 					this.assertEqual(value.type, CellValue.TYPE_BLANK);

  1210. 					this.assertEqual(value.formattedValue, '');

  1211. 					this.assertEqual(value.value, null);

  1212. 					value = CellValue.fromCellString(' ');

  1213. 					this.assertEqual(value.type, CellValue.TYPE_BLANK);

  1214. 					this.assertEqual(value.formattedValue, '');

  1215. 					this.assertEqual(value.value, null);

  1216. 				}

  1217. 

  1218. 				test_fromCellString_number() {

  1219. 					var value;

  1220. 					value = CellValue.fromCellString('123');

  1221. 					this.assertEqual(value.type, CellValue.TYPE_NUMBER);

  1222. 					this.assertEqual(value.formattedValue, '123');

  1223. 					this.assertEqual(value.value, 123);

  1224. 					this.assertEqual(value.decimals, 0);

  1225. 					value = CellValue.fromCellString('-0');

  1226. 					this.assertEqual(value.type, CellValue.TYPE_NUMBER);

  1227. 					this.assertEqual(value.formattedValue, '-0');

  1228. 					this.assertEqual(value.value, 0);

  1229. 					this.assertEqual(value.decimals, 0);

  1230. 					value = CellValue.fromCellString('1,234');

  1231. 					this.assertEqual(value.type, CellValue.TYPE_NUMBER);

  1232. 					this.assertEqual(value.formattedValue, '1,234');

  1233. 					this.assertEqual(value.value, 1234);

  1234. 					this.assertEqual(value.decimals, 0);

  1235. 					value = CellValue.fromCellString('-1,234,567.89');

  1236. 					this.assertEqual(value.type, CellValue.TYPE_NUMBER);

  1237. 					this.assertEqual(value.formattedValue, '-1,234,567.89');

  1238. 					this.assertEqual(value.value, -1234567.89);

  1239. 					this.assertEqual(value.decimals, 2);

  1240. 				}

  1241. 

  1242. 				test_fromCellString_percent() {

  1243. 					var value;

  1244. 					value = CellValue.fromCellString('123%');

  1245. 					this.assertEqual(value.type, CellValue.TYPE_PERCENT);

  1246. 					this.assertEqual(value.formattedValue, '123%');

  1247. 					this.assertEqual(value.value, 1.23, 0.0001);

  1248. 					this.assertEqual(value.decimals, 0);

  1249. 					value = CellValue.fromCellString('-12.3%');

  1250. 					this.assertEqual(value.type, CellValue.TYPE_PERCENT);

  1251. 					this.assertEqual(value.formattedValue, '-12.3%');

  1252. 					this.assertEqual(value.value, -0.123, 0.0001);

  1253. 					this.assertEqual(value.decimals, 1);

  1254. 				}

  1255. 

  1256. 				test_fromCellString_currency() {

  1257. 					var value;

  1258. 					value = CellValue.fromCellString('$123');

  1259. 					this.assertEqual(value.type, CellValue.TYPE_CURRENCY);

  1260. 					this.assertEqual(value.formattedValue, '$123');

  1261. 					this.assertEqual(value.value, 123);

  1262. 					this.assertEqual(value.decimals, 0);

  1263. 					value = CellValue.fromCellString('-$12.34');

  1264. 					this.assertEqual(value.type, CellValue.TYPE_CURRENCY);

  1265. 					this.assertEqual(value.formattedValue, '-$12.34');

  1266. 					this.assertEqual(value.value, -12.34, 0.0001);

  1267. 					this.assertEqual(value.decimals, 2);

  1268. 				}

  1269. 

  1270. 				test_fromCellString_boolean() {

  1271. 					var value;

  1272. 					value = CellValue.fromCellString('true');

  1273. 					this.assertEqual(value.type, CellValue.TYPE_BOOLEAN);

  1274. 					this.assertEqual(value.formattedValue, 'TRUE');

  1275. 					this.assertEqual(value.value, true);

  1276. 					value = CellValue.fromCellString('false');

  1277. 					this.assertEqual(value.type, CellValue.TYPE_BOOLEAN);

  1278. 					this.assertEqual(value.formattedValue, 'FALSE');

  1279. 					this.assertEqual(value.value, false);

  1280. 				}

  1281. 

  1282. 				test_fromCellString_string() {

  1283. 					var value;

  1284. 					value = CellValue.fromCellString('some text');

  1285. 					this.assertEqual(value.type, CellValue.TYPE_STRING);

  1286. 					this.assertEqual(value.formattedValue, 'some text');

  1287. 					this.assertEqual(value.value, 'some text');

  1288. 					value = CellValue.fromCellString("'0123");

  1289. 					this.assertEqual(value.type, CellValue.TYPE_STRING);

  1290. 					this.assertEqual(value.formattedValue, '0123');

  1291. 					this.assertEqual(value.value, '0123');

  1292. 					value = CellValue.fromCellString("'=123");

  1293. 					this.assertEqual(value.type, CellValue.TYPE_STRING);

  1294. 					this.assertEqual(value.formattedValue, '=123');

  1295. 					this.assertEqual(value.value, '=123');

  1296. 				}

  1297. 

  1298. 				test_fromCellString_formula() {

  1299. 					var value;

  1300. 					value = CellValue.fromCellString('=A*B');

  1301. 					this.assertEqual(value.type, CellValue.TYPE_FORMULA);

  1302. 					this.assertEqual(value.formattedValue, '=A*B');

  1303. 					this.assertEqual(value.value, '=A*B');

  1304. 					value = CellValue.fromCellString('=MAX(A, 3)');

  1305. 					this.assertEqual(value.type, CellValue.TYPE_FORMULA);

  1306. 					this.assertEqual(value.formattedValue, '=MAX(A, 3)');

  1307. 					this.assertEqual(value.value, '=MAX(A, 3)');

  1308. 				}

  1309. 

  1310. 				test_fromValue_null() {

  1311. 					var value;

  1312. 					value = CellValue.fromValue(null);

  1313. 					this.assertEqual(value.type, CellValue.TYPE_BLANK);

  1314. 				}

  1315. 

  1316. 				test_fromValue_number() {

  1317. 					var value;

  1318. 					value = CellValue.fromValue(123);

  1319. 					this.assertEqual(value.type, CellValue.TYPE_NUMBER);

  1320. 					this.assertEqual(value.formattedValue, '123');

  1321. 					value = CellValue.fromValue(3.141592);

  1322. 					this.assertEqual(value.type, CellValue.TYPE_NUMBER);

  1323. 					this.assertEqual(value.formattedValue, '3.141592');

  1324. 					value = CellValue.fromValue(123456789);

  1325. 					this.assertEqual(value.type, CellValue.TYPE_NUMBER);

  1326. 					this.assertEqual(value.formattedValue, '123,456,789');

  1327. 				}

  1328. 

  1329. 				test_fromValue_boolean() {

  1330. 					var value;

  1331. 					value = CellValue.fromValue(true);

  1332. 					this.assertEqual(value.type, CellValue.TYPE_BOOLEAN);

  1333. 					this.assertEqual(value.formattedValue, 'TRUE');

  1334. 					value = CellValue.fromValue(false);

  1335. 					this.assertEqual(value.type, CellValue.TYPE_BOOLEAN);

  1336. 					this.assertEqual(value.formattedValue, 'FALSE');

  1337. 				}

  1338. 

  1339. 				test_fromValue_string() {

  1340. 					var value;

  1341. 					value = CellValue.fromValue('foo');

  1342. 					this.assertEqual(value.type, CellValue.TYPE_STRING);

  1343. 					this.assertEqual(value.formattedValue, 'foo');

  1344. 					value = CellValue.fromValue('123');

  1345. 					this.assertEqual(value.type, CellValue.TYPE_STRING);

  1346. 					this.assertEqual(value.formattedValue, '123');

  1347. 				}

  1348. 

  1349. 				test_fromValue_formula() {

  1350. 					var value;

  1351. 					value = CellValue.fromValue('=A*B');

  1352. 					this.assertEqual(value.type, CellValue.TYPE_FORMULA);

  1353. 					this.assertEqual(value.formattedValue, '=A*B');

  1354. 				}

  1355. 

  1356. 				test_operation_add() {

  1357. 					var a, b, result, expected;

  1358. 					a = CellValue.fromValue(3);

  1359. 					b = CellValue.fromValue(4);

  1360. 					result = a.add(b)

  1361. 					expected = new CellValue('7', 7, CellValue.TYPE_NUMBER, 0);

  1362. 					this.assertEqual(result, expected);

  1363. 

  1364. 					a = CellValue.fromCellString('100%');

  1365. 					b = CellValue.fromCellString('50%');

  1366. 					result = a.add(b);

  1367. 					expected = new CellValue('150%', 1.5, CellValue.TYPE_PERCENT, 0);

  1368. 					this.assertEqual(result, expected);

  1369. 

  1370. 					a = CellValue.fromCellString('$123');

  1371. 					b = CellValue.fromCellString('$321');

  1372. 					result = a.add(b);

  1373. 					expected = new CellValue('$444.00', 444, CellValue.TYPE_CURRENCY, 2);

  1374. 					this.assertEqual(result, expected);

  1375. 				}

  1376. 

  1377. 				test_operation_subtract() {

  1378. 					var a, b, result, expected;

  1379. 					a = CellValue.fromValue(9);

  1380. 					b = CellValue.fromValue(4);

  1381. 					result = a.subtract(b)

  1382. 					expected = new CellValue('5', 5, CellValue.TYPE_NUMBER, 0);

  1383. 					this.assertEqual(result, expected);

  1384. 

  1385. 					a = CellValue.fromCellString('100%');

  1386. 					b = CellValue.fromCellString('50%');

  1387. 					result = a.subtract(b);

  1388. 					expected = new CellValue('50%', 0.5, CellValue.TYPE_PERCENT, 0);

  1389. 					this.assertEqual(result, expected);

  1390. 

  1391. 					a = CellValue.fromCellString('$321');

  1392. 					b = CellValue.fromCellString('$123');

  1393. 					result = a.subtract(b);

  1394. 					expected = new CellValue('$198.00', 198, CellValue.TYPE_CURRENCY, 2);

  1395. 					this.assertEqual(result, expected);

  1396. 				}

  1397. 

  1398. 				test_operation_multiply() {

  1399. 					var a, b, result, expected;

  1400. 					a = CellValue.fromValue(3);

  1401. 					b = CellValue.fromValue(4);

  1402. 					result = a.multiply(b)

  1403. 					expected = new CellValue('12', 12, CellValue.TYPE_NUMBER, 0);

  1404. 					this.assertEqual(result, expected);

  1405. 

  1406. 					a = CellValue.fromCellString('150%');

  1407. 					b = CellValue.fromCellString('50%');

  1408. 					result = a.multiply(b);

  1409. 					expected = new CellValue('75%', 0.75, CellValue.TYPE_PERCENT, 0);

  1410. 					this.assertEqual(result, expected);

  1411. 

  1412. 					a = CellValue.fromCellString('$321');

  1413. 					b = CellValue.fromCellString('50%');

  1414. 					result = a.multiply(b);

  1415. 					expected = new CellValue('$160.50', 160.50, CellValue.TYPE_CURRENCY, 2);

  1416. 					this.assertEqual(result, expected);

  1417. 				}

  1418. 

  1419. 				test_operation_divide() {

  1420. 					var a, b, result, expected;

  1421. 					a = CellValue.fromValue(12);

  1422. 					b = CellValue.fromValue(4);

  1423. 					result = a.divide(b)

  1424. 					expected = new CellValue('3', 3, CellValue.TYPE_NUMBER, 0);

  1425. 					this.assertEqual(result, expected);

  1426. 

  1427. 					a = CellValue.fromCellString('150%');

  1428. 					b = CellValue.fromCellString('50%');

  1429. 					result = a.divide(b);

  1430. 					expected = new CellValue('300%', 3.0, CellValue.TYPE_PERCENT, 0);

  1431. 					this.assertEqual(result, expected);

  1432. 

  1433. 					a = CellValue.fromCellString('$321');

  1434. 					b = CellValue.fromCellString('200%');

  1435. 					result = a.divide(b);

  1436. 					expected = new CellValue('$160.50', 160.50, CellValue.TYPE_CURRENCY, 2);

  1437. 					this.assertEqual(result, expected);

  1438. 				}

  1439. 

  1440. 				test_operation_modulo() {

  1441. 					var a, b, result, expected;

  1442. 					a = CellValue.fromValue(7);

  1443. 					b = CellValue.fromValue(4);

  1444. 					result = a.modulo(b)

  1445. 					expected = new CellValue('3', 3, CellValue.TYPE_NUMBER, 0);

  1446. 					this.assertEqual(result, expected);

  1447. 

  1448. 					a = CellValue.fromCellString('175%');

  1449. 					b = CellValue.fromCellString('50%');

  1450. 					result = a.modulo(b);

  1451. 					expected = new CellValue('25%', 0.25, CellValue.TYPE_PERCENT, 0);

  1452. 					this.assertEqual(result, expected);

  1453. 

  1454. 					a = CellValue.fromCellString('$327');

  1455. 					b = CellValue.fromCellString('$20');

  1456. 					result = a.modulo(b);

  1457. 					expected = new CellValue('$7.00', 7.00, CellValue.TYPE_CURRENCY, 2);

  1458. 					this.assertEqual(result, expected);

  1459. 				}

  1460. 

  1461. 				test_operation_unaryNot() {

  1462. 					this.assertEqual(CellValue.fromValue(true).not(), CellValue.fromValue(false));

  1463. 					this.assertEqual(CellValue.fromValue(false).not(), CellValue.fromValue(true));

  1464. 				}

  1465. 

  1466. 				test_operation_comparators() {

  1467. 					const a = CellValue.fromValue(3);

  1468. 					const b = CellValue.fromValue(4);

  1469. 					const t = CellValue.fromValue(true);

  1470. 					const f = CellValue.fromValue(false);

  1471. 

  1472. 					this.assertEqual(a.lt(b), t);

  1473. 					this.assertEqual(a.lte(b), t);

  1474. 					this.assertEqual(a.gt(b), f);

  1475. 					this.assertEqual(a.gte(b), f);

  1476. 					this.assertEqual(a.eq(b), f);

  1477. 					this.assertEqual(a.neq(b), t);

  1478. 

  1479. 					this.assertEqual(b.lt(a), f);

  1480. 					this.assertEqual(b.lte(a), f);

  1481. 					this.assertEqual(b.gt(a), t);

  1482. 					this.assertEqual(b.gte(a), t);

  1483. 					this.assertEqual(b.eq(a), f);

  1484. 					this.assertEqual(b.neq(a), t);

  1485. 

  1486. 					this.assertEqual(a.lt(a), f);

  1487. 					this.assertEqual(a.lte(a), t);

  1488. 					this.assertEqual(a.gt(a), f);

  1489. 					this.assertEqual(a.gte(a), t);

  1490. 					this.assertEqual(a.eq(a), t);

  1491. 					this.assertEqual(a.neq(a), f);

  1492. 				}

  1493. 

  1494. 				test_operation_concatenate() {

  1495. 					const a = CellValue.fromValue('abc');

  1496. 					const b = CellValue.fromValue('xyz');

  1497. 					const result = a.concatenate(b);

  1498. 					const expected = CellValue.fromValue('abcxyz');

  1499. 					this.assertEqual(result, expected);

  1500. 				}

  1501. 			}

  1502. 

  1503. 			class CellAddressRangeTests extends BaseTest {

  1504. 				test_iterator() {

  1505. 					const grid = new SpreadsheetGrid(3, 4);

  1506. 					let range = new CellAddressRange(new CellAddress(0, 0), new CellAddress(2, 3));

  1507. 					var visited = [];

  1508. 					var sanity = 100;

  1509. 					for (const address of range.cellsIn(grid)) {

  1510. 						visited.push(address.name);

  1511. 						if (sanity-- < 0) break;

  1512. 					}

  1513. 					const result = visited.join(',');

  1514. 					const expected = 'A1,A2,A3,A4,B1,B2,B3,B4,C1,C2,C3,C4';

  1515. 					this.assertEqual(result, expected);

  1516. 				}

  1517. 

  1518. 				test_iterator_column() {

  1519. 					const grid = new SpreadsheetGrid(3, 4);

  1520. 					let range = new CellAddressRange(new CellAddress(1, -1), new CellAddress(2, -1));

  1521. 					var visited = [];

  1522. 					var sanity = 100;

  1523. 					for (const address of range.cellsIn(grid)) {

  1524. 						visited.push(address.name);

  1525. 						if (sanity-- < 0) break;

  1526. 					}

  1527. 					const result = visited.join(',');

  1528. 					const expected = 'B1,B2,B3,B4,C1,C2,C3,C4';

  1529. 					this.assertEqual(result, expected);

  1530. 				}

  1531. 

  1532. 				test_iterator_beyondBounds() {

  1533. 					const grid = new SpreadsheetGrid(3, 4);

  1534. 					let range = new CellAddressRange(new CellAddress(0, 1), new CellAddress(9, 9));

  1535. 					var visited = [];

  1536. 					var sanity = 100;

  1537. 					for (const address of range.cellsIn(grid)) {

  1538. 						visited.push(address.name);

  1539. 						if (sanity-- < 0) break;

  1540. 					}

  1541. 					const result = visited.join(',');

  1542. 					const expected = 'A2,A3,A4,B2,B3,B4,C2,C3,C4';

  1543. 					this.assertEqual(result, expected);

  1544. 				}

  1545. 

  1546. 				test_iterator_outOfBounds() {

  1547. 					const grid = new SpreadsheetGrid(3, 4);

  1548. 					let range = new CellAddressRange(new CellAddress(5, 0), new CellAddress(5, 9));

  1549. 					var visited = [];

  1550. 					var sanity = 100;

  1551. 					for (const address of range.cellsIn(grid)) {

  1552. 						visited.push(address.name);

  1553. 						if (sanity-- < 0) break;

  1554. 					}

  1555. 					const result = visited.join(',');

  1556. 					const expected = '';

  1557. 					this.assertEqual(result, expected);

  1558. 				}

  1559. 			}

  1560. 

  1561. 			class ExpressionSetTests extends BaseTest {

  1562. 				test_simpleMath() {

  1563. 					const grid = new SpreadsheetGrid(1, 1);

  1564. 					grid.cells[0][0].originalValue = CellValue.fromCellString('=7*3');

  1565. 					const expressionSet = new CellExpressionSet(grid);

  1566. 					expressionSet.calculateCells();

  1567. 					const expected = CellValue.fromValue(21);

  1568. 					this.assertEqual(grid.cells[0][0].outputValue, expected);

  1569. 				}

  1570. 

  1571. 				test_reference() {

  1572. 					const grid = new SpreadsheetGrid(3, 1);

  1573. 					grid.cells[0][0].originalValue = CellValue.fromValue(123);

  1574. 					grid.cells[1][0].originalValue = CellValue.fromValue(3);

  1575. 					grid.cells[2][0].originalValue = CellValue.fromCellString('=A1*B1');

  1576. 					const expressionSet = new CellExpressionSet(grid);

  1577. 					expressionSet.calculateCells();

  1578. 					const expected = CellValue.fromValue(369);

  1579. 					this.assertEqual(grid.cells[2][0].outputValue, expected);

  1580. 				}

  1581. 

  1582. 				test_infixPriority() {

  1583. 					const grid = new SpreadsheetGrid(1, 1);

  1584. 					grid.cells[0][0].originalValue = CellValue.fromCellString('=4*9/3+7-4');

  1585. 					const expressionSet = new CellExpressionSet(grid);

  1586. 					expressionSet.calculateCells();

  1587. 					const expected = CellValue.fromValue(15);

  1588. 					this.assertEqual(grid.cells[0][0].outputValue, expected);

  1589. 				}

  1590. 

  1591. 				test_filledFormula() {

  1592. 					const grid = new SpreadsheetGrid(3, 3);

  1593. 					grid.cells[0][0].originalValue = CellValue.fromValue(4);

  1594. 					grid.cells[1][0].originalValue = CellValue.fromValue(5);

  1595. 					grid.cells[2][0].originalValue = CellValue.fromCellString('=A1*B1 FILL');

  1596. 					grid.cells[0][1].originalValue = CellValue.fromValue(6);

  1597. 					grid.cells[1][1].originalValue = CellValue.fromValue(7);

  1598. 					grid.cells[0][2].originalValue = CellValue.fromValue(8);

  1599. 					grid.cells[1][2].originalValue = CellValue.fromValue(9);

  1600. 					const expressionSet = new CellExpressionSet(grid);

  1601. 					expressionSet.calculateCells();

  1602. 					this.assertEqual(grid.cells[2][0].outputValue, CellValue.fromValue(20));

  1603. 					this.assertEqual(grid.cells[2][1].outputValue, CellValue.fromValue(42));

  1604. 					this.assertEqual(grid.cells[2][2].outputValue, CellValue.fromValue(72));

  1605. 				}

  1606. 

  1607. 				test_dependencies() {

  1608. 					const grid = new SpreadsheetGrid(2, 4);

  1609. 					grid.cells[0][0].originalValue = CellValue.fromValue(1);

  1610. 					grid.cells[1][0].originalValue = CellValue.fromCellString('=A1+B2');

  1611. 					grid.cells[0][1].originalValue = CellValue.fromValue(2);

  1612. 					grid.cells[1][1].originalValue = CellValue.fromCellString('=A2+B3');

  1613. 					grid.cells[0][2].originalValue = CellValue.fromValue(3);

  1614. 					grid.cells[1][2].originalValue = CellValue.fromCellString('=A3+B4');

  1615. 					grid.cells[0][3].originalValue = CellValue.fromValue(4);

  1616. 					grid.cells[1][3].originalValue = CellValue.fromCellString('=A4');

  1617. 					const expressionSet = new CellExpressionSet(grid);

  1618. 					expressionSet.calculateCells();

  1619. 					this.assertEqual(grid.cells[1][0].outputValue, CellValue.fromValue(10));

  1620. 					this.assertEqual(grid.cells[1][1].outputValue, CellValue.fromValue(9));

  1621. 					this.assertEqual(grid.cells[1][2].outputValue, CellValue.fromValue(7));

  1622. 					this.assertEqual(grid.cells[1][3].outputValue, CellValue.fromValue(4));

  1623. 				}

  1624. 

  1625. 				_test_simple_formula(formula, expected) {

  1626. 					const grid = new SpreadsheetGrid(1, 1);

  1627. 					grid.cells[0][0].originalValue = CellValue.fromCellString(formula);

  1628. 					const expressionSet = new CellExpressionSet(grid);

  1629. 					expressionSet.calculateCells();

  1630. 					const result = grid.cells[0][0].outputValue;

  1631. 					const exp = (expected instanceof CellValue) ? expected : CellValue.fromValue(expected);

  1632. 					this.assertEqual(result.type, exp.type);

  1633. 					this.assertEqual(result.decimals, exp.decimals);

  1634. 					this.assertEqual(result.formattedValue, exp.formattedValue);

  1635. 					this.assertEqual(result.value, exp.value);

  1636. 				}

  1637. 

  1638. 				test_func_abs() {

  1639. 					this._test_simple_formula('=ABS(-3)', 3);

  1640. 					this._test_simple_formula('=ABS(4)', 4);

  1641. 				}

  1642. 

  1643. 				test_func_and() {

  1644. 					this._test_simple_formula('=AND(FALSE, FALSE)', false);

  1645. 					this._test_simple_formula('=AND(FALSE, TRUE)', false);

  1646. 					this._test_simple_formula('=AND(TRUE, FALSE)', false);

  1647. 					this._test_simple_formula('=AND(TRUE, TRUE)', true);

  1648. 					this._test_simple_formula('=AND(TRUE, TRUE, TRUE, TRUE)', true);

  1649. 					this._test_simple_formula('=AND(TRUE, TRUE, TRUE, FALSE)', false);

  1650. 				}

  1651. 

  1652. 				test_func_average() {

  1653. 					this._test_simple_formula('=AVERAGE(4, 6, 2, 4)', 4);

  1654. 					this._test_simple_formula('=AVERAGE(4, 6, 2, "foo", 4)', 4);

  1655. 				}

  1656. 

  1657. 				test_func_ceiling() {

  1658. 					this._test_simple_formula('=CEILING(3.1)', 4);

  1659. 					this._test_simple_formula('=CEILING(3)', 3);

  1660. 					this._test_simple_formula('=CEILING(-3.1)', -3);

  1661. 				}

  1662. 

  1663. 				test_func_exp() {

  1664. 					this._test_simple_formula('=EXP(1)', 2.718281828459045);

  1665. 				}

  1666. 

  1667. 				test_func_floor() {

  1668. 					this._test_simple_formula('=FLOOR(3.1)', 3);

  1669. 					this._test_simple_formula('=FLOOR(3)', 3);

  1670. 					this._test_simple_formula('=FLOOR(-3.1)', -4);

  1671. 				}

  1672. 

  1673. 				test_func_if() {

  1674. 					this._test_simple_formula('=IF(FALSE, 4, 6)', 6);

  1675. 					this._test_simple_formula('=IF(TRUE, 4, 6)', 4);

  1676. 				}

  1677. 

  1678. 				test_func_ifs() {

  1679. 					this._test_simple_formula('=IFS(TRUE, 1, FALSE, 2, FALSE, 3, FALSE, 4, 5)', 1);

  1680. 					this._test_simple_formula('=IFS(FALSE, 1, TRUE, 2, FALSE, 3, FALSE, 4, 5)', 2);

  1681. 					this._test_simple_formula('=IFS(FALSE, 1, FALSE, 2, TRUE, 3, FALSE, 4, 5)', 3);

  1682. 					this._test_simple_formula('=IFS(FALSE, 1, FALSE, 2, FALSE, 3, TRUE, 4, 5)', 4);

  1683. 					this._test_simple_formula('=IFS(FALSE, 1, FALSE, 2, FALSE, 3, FALSE, 4, 5)', 5);

  1684. 				}

  1685. 

  1686. 				test_func_ln() {

  1687. 					this._test_simple_formula('=LN(2.718281828459045)', 1);

  1688. 				}

  1689. 

  1690. 				test_func_log() {

  1691. 					this._test_simple_formula('=LOG(1000, 10)', 3);

  1692. 					this._test_simple_formula('=LOG(64, 2)', 6);

  1693. 				}

  1694. 

  1695. 				test_func_lower() {

  1696. 					this._test_simple_formula('=LOWER("MiXeD")', 'mixed');

  1697. 				}

  1698. 

  1699. 				test_func_max() {

  1700. 					this._test_simple_formula('=MAX(4, 8, 5, 2)', 8);

  1701. 				}

  1702. 

  1703. 				test_func_min() {

  1704. 					this._test_simple_formula('=MIN(4, 8, 5, 2)', 2);

  1705. 				}

  1706. 

  1707. 				test_func_mod() {

  1708. 					this._test_simple_formula('=MOD(37, 4)', 1);

  1709. 				}

  1710. 

  1711. 				test_func_not() {

  1712. 					this._test_simple_formula('=NOT(TRUE)', false);

  1713. 					this._test_simple_formula('=NOT(FALSE)', true);

  1714. 				}

  1715. 

  1716. 				test_func_or() {

  1717. 					this._test_simple_formula('=OR(FALSE, FALSE)', false);

  1718. 					this._test_simple_formula('=OR(FALSE, TRUE)', true);

  1719. 					this._test_simple_formula('=OR(TRUE, FALSE)', true);

  1720. 					this._test_simple_formula('=OR(TRUE, TRUE)', true);

  1721. 					this._test_simple_formula('=OR(FALSE, FALSE, FALSE, TRUE)', true);

  1722. 				}

  1723. 

  1724. 				test_func_power() {

  1725. 					this._test_simple_formula('=POWER(2, 3)', 8);

  1726. 				}

  1727. 

  1728. 				test_func_round() {

  1729. 					this._test_simple_formula('=ROUND(3.1)', 3);

  1730. 					this._test_simple_formula('=ROUND(3.5)', 4);

  1731. 					this._test_simple_formula('=ROUND(4)', 4);

  1732. 					this._test_simple_formula('=ROUND(-3.1)', -3);

  1733. 					this._test_simple_formula('=ROUND(-3.5)', -3);

  1734. 					this._test_simple_formula('=ROUND(-3.9)', -4);

  1735. 					this._test_simple_formula('=ROUND(3.1415926535, 1)', 3.1);

  1736. 					this._test_simple_formula('=ROUND(3.1415926535, 2)', 3.14);

  1737. 					this._test_simple_formula('=ROUND(31.415926535, -1)', 30);

  1738. 				}

  1739. 

  1740. 				test_func_sqrt() {

  1741. 					this._test_simple_formula('=SQRT(16)', 4);

  1742. 				}

  1743. 

  1744. 				test_func_substitute() {

  1745. 					this._test_simple_formula('=SUBSTITUTE("cat sat on the mat", "at", "ot")', 'cot sot on the mot');

  1746. 					this._test_simple_formula('=SUBSTITUTE("cAt saT on the mat", "at", "ot")', 'cot sot on the mot');

  1747. 					this._test_simple_formula('=SUBSTITUTE("c.*t s.*t on the m.*t", ".*t", "ot")', 'cot sot on the mot');

  1748. 				}

  1749. 

  1750. 				test_func_sum() {

  1751. 					this._test_simple_formula('=SUM(1, 2, 3, 4, 5)', 15);

  1752. 				}

  1753. 

  1754. 				test_func_upper() {

  1755. 					this._test_simple_formula('=UPPER("mIxEd")', 'MIXED');

  1756. 				}

  1757. 

  1758. 				test_func_xor() {

  1759. 					this._test_simple_formula('=XOR(FALSE, FALSE)', false);

  1760. 					this._test_simple_formula('=XOR(FALSE, TRUE)', true);

  1761. 					this._test_simple_formula('=XOR(TRUE, FALSE)', true);

  1762. 					this._test_simple_formula('=XOR(TRUE, TRUE)', false);

  1763. 					this._test_simple_formula('=XOR(FALSE, FALSE, TRUE)', true);

  1764. 					this._test_simple_formula('=XOR(TRUE, FALSE, TRUE)', false);

  1765. 				}

  1766. 

  1767. 				test_format() {

  1768. 					this._test_simple_formula('=2.718281828459045 ; number 3', new CellValue('2.718', 2.718281828459045, 'number', 3));

  1769. 					this._test_simple_formula('=2.718281828459045 ; percent 2', new CellValue('271.83%', 2.718281828459045, 'percent', 2));

  1770. 					this._test_simple_formula('=2.718281828459045 ; currency 2', new CellValue('$2.72', 2.718281828459045, 'currency', 2));

  1771. 				}

  1772. 			}

  1773. 

  1774. 			class SpreadsheetMarkdownIntegrationTests extends BaseTest {

  1775. 				parser;

  1776. 

  1777. 				setUp() {

  1778. 					this.parser = new Markdown([ ...Markdown.allReaders, new MDSpreadsheetReader() ]);

  1779. 				}

  1780. 

  1781. 				md(markdown) {

  1782. 					return normalizeWhitespace(this.parser.toHTML(markdown));

  1783. 				}

  1784. 

  1785. 				test_integration() {

  1786. 					const markdown = '| A | B | C |\n| --- | --- | --- |\n| 3 | 4 | =A*B |';

  1787. 					const expected = '<table> <thead> ' +

  1788. 						'<tr> <th>A</th> <th>B</th> <th>C</th> </tr> ' +

  1789. 						'</thead> <tbody> <tr> ' +

  1790. 						'<td class="spreadsheet-type-number" data-numeric-value="3" data-string-value="3">3</td> ' +

  1791. 						'<td class="spreadsheet-type-number" data-numeric-value="4" data-string-value="4">4</td> ' +

  1792. 						'<td class="calculated spreadsheet-type-number" data-numeric-value="12" data-string-value="12">12</td> ' +

  1793. 						'</tr> </tbody> </table>';

  1794. 					const result = this.md(markdown);

  1795. 					this.assertEqual(result, expected);

  1796. 				}

  1797. 

  1798. 				test_bailOut() {

  1799. 					// If no formulas found table isn't modified

  1800. 					const markdown = '| A | B | C |\n| --- | --- | --- |\n| 3 | 4 | A*B |';

  1801. 					const expected = '<table> <thead> ' +

  1802. 						'<tr> <th>A</th> <th>B</th> <th>C</th> </tr> ' +

  1803. 						'</thead> <tbody> <tr> ' +

  1804. 						'<td>3</td> ' +

  1805. 						'<td>4</td> ' +

  1806. 						'<td>A*B</td> ' +

  1807. 						'</tr> </tbody> </table>';

  1808. 					const result = this.md(markdown);

  1809. 					this.assertEqual(result, expected);

  1810. 				}

  1811. 

  1812. 				test_observedError1() {

  1813. 					// Saw "Uncaught Error: columnIndex must be number, got string" from this

  1814. 					const markdown = '| Unit Price | Qty | Subtotal |\n| ---: | ---: | ---: |\n| $1.23 | 2 | =A*B FILL |\n| $4.99 | 6 | |\n| Total | | =SUM(C:C) |';

  1815. 					const expected = '<table> <thead> <tr> ' +

  1816. 						'<th style="text-align: right;">Unit Price</th> ' +

  1817. 						'<th style="text-align: right;">Qty</th> ' +

  1818. 						'<th>Subtotal</th> ' +

  1819. 						'</tr> </thead> <tbody> <tr> ' +

  1820. 						'<td class="spreadsheet-type-currency" style="text-align: right;" data-numeric-value="1.23" data-string-value="1.23">$1.23</td> ' +

  1821. 						'<td class="spreadsheet-type-number" style="text-align: right;" data-numeric-value="2" data-string-value="2">2</td> ' +

  1822. 						'<td class="calculated spreadsheet-type-currency" data-numeric-value="2.46" data-string-value="2.46">$2.46</td> ' +

  1823. 						'</tr> <tr> ' +

  1824. 						'<td class="spreadsheet-type-currency" style="text-align: right;" data-numeric-value="4.99" data-string-value="4.99">$4.99</td> ' +

  1825. 						'<td class="spreadsheet-type-number" style="text-align: right;" data-numeric-value="6" data-string-value="6">6</td> ' +

  1826. 						'<td class="calculated spreadsheet-type-currency" data-numeric-value="29.94" data-string-value="29.94">$29.94</td> ' +

  1827. 						'</tr> <tr> ' +

  1828. 						'<td class="spreadsheet-type-string" style="text-align: right;" data-string-value="Total">Total</td> ' +

  1829. 						'<td class="spreadsheet-type-blank" style="text-align: right;" data-numeric-value="0" data-string-value=""></td> ' +

  1830. 						'<td class="calculated spreadsheet-type-currency" data-numeric-value="32.4" data-string-value="32.4">$32.40</td> ' +

  1831. 						'</tr> </tbody> </table>';

  1832. 					const result = this.md(markdown);

  1833. 					this.assertEqual(result, expected);

  1834. 				}

  1835. 			}

  1836. 		</script>

  1837. 	</head>

  1838. 	<body>

  1839. 		<div id="results"></div>

  1840. 	</body>

  1841. </html>