www-lib-markdown/jstest/BrokenSyntaxTests.js

class BrokenSyntaxTests extends BaseTest {
	#parser;

	setUp() {
		this.#parser = Markdown.completeParser;
	}

	/**
	 * @param {string} markdown
	 */
	#iterateCharacters(markdown) {
		for (var i = 1; i < markdown.length; i++) {
			const portion = markdown.substring(0, i);
			this.#parser.toHTML(portion);
		}
	}

	test_brokenSyntax() {
		// Just try a bunch of broken syntax and make sure no exceptions are
		// thrown or infinite loops triggered. Don't care about what's rendered
		// as most of these are incomplete or invalid syntax.
		this.#iterateCharacters("# ");
		this.#iterateCharacters("## ");
		this.#iterateCharacters("Underlined\n-");
		this.#iterateCharacters("* ");
		this.#iterateCharacters(" * A");
		this.#iterateCharacters("- A");
		this.#iterateCharacters(" - A");
		this.#iterateCharacters("+ A");
		this.#iterateCharacters(" + A");
		this.#iterateCharacters("1. A");
		this.#iterateCharacters(" 1. A");
		this.#iterateCharacters("1. A\n 1. B\n 2. C\n2. D");
		this.#iterateCharacters("> A");
		this.#iterateCharacters("> \nA");
		this.#iterateCharacters("> \n>");
		this.#iterateCharacters(">>");
		this.#iterateCharacters("> > A");
		this.#iterateCharacters("> \n> A");
		this.#iterateCharacters("> > \n> A");
		this.#iterateCharacters("```\ncode\n```");
		this.#iterateCharacters("```java\ncode\n```");
		this.#iterateCharacters("    code\n    code\n\n");
		this.#iterateCharacters("------");
		this.#iterateCharacters("  -  -    - --*");
		this.#iterateCharacters("Header|Header\n--|--\nCell|Cell");
		this.#iterateCharacters("Header\n--|--\nCell");
		this.#iterateCharacters("|Header|\n|-|\n|Cell|");
		this.#iterateCharacters("|Header|\n|--|--|--|\n|Cell|");
		this.#iterateCharacters("|Header|Header|\n|--|\n|Cell|Cell|");
		this.#iterateCharacters("|Header|\n|:-|\n|Cell|");
		this.#iterateCharacters("|Header|\n|:-:|\n|Cell|");
		this.#iterateCharacters("|Header|\n|-:|\n|Cell|");
		this.#iterateCharacters("term\n: definition\nterm\n: definition");
		this.#iterateCharacters("term\n:definition\nterm\n:definition");
		this.#iterateCharacters("HTML\n\n*[HTML]: Hypertext");
		this.#iterateCharacters("HTML\n*[HTML]: Hypertext");
		this.#iterateCharacters("*[HTML]: Hypertext\nHTML");
		this.#iterateCharacters("---{.foo}\n");
		this.#iterateCharacters("---{#foo}\n");
		this.#iterateCharacters("---{.foo #foo lang=en}\n");
		this.#iterateCharacters("lorem *ipsum* dolor *sit* amet");
		this.#iterateCharacters("*lorem* ipsum *dolor* sit *amet*");
		this.#iterateCharacters("*lorem *ipsum *dolor*** sit");
		this.#iterateCharacters("***lorem* ipsum* dolor* sit");
		this.#iterateCharacters("lorem _ipsum_ dolor _sit_ amet");
		this.#iterateCharacters("_lorem_ ipsum _dolor_ sit _amet_");
		this.#iterateCharacters("_lorem _ipsum _dolor___ sit");
		this.#iterateCharacters("___lorem_ ipsum_ dolor_ sit");
		this.#iterateCharacters("lorem **ipsum** dolor **sit** amet");
		this.#iterateCharacters("**lorem** ipsum **dolor** sit **amet**");
		this.#iterateCharacters("**lorem **ipsum **dolor****** sit");
		this.#iterateCharacters("******lorem** ipsum** dolor** sit");
		this.#iterateCharacters("lorem __ipsum__ dolor __sit__ amet");
		this.#iterateCharacters("__lorem__ ipsum __dolor__ sit __amet__");
		this.#iterateCharacters("lorem __ipsum__ dolor __sit__ amet");
		this.#iterateCharacters("__lorem __ipsum __dolor______ sit");
		this.#iterateCharacters("______lorem__ ipsum__ dolor__ sit");
		this.#iterateCharacters("*_**`~~^==!__~*^!``**-+!**`==!~_^**``_");
		this.#iterateCharacters("[link[(index.html(");
		this.#iterateCharacters("[link[](index.html()");
		this.#iterateCharacters("[link]](index.html))");
		this.#iterateCharacters("[[link]((index.html)");
		this.#iterateCharacters("]link])index.html)");
		this.#iterateCharacters("[ link ] ( index.html )");
		this.#iterateCharacters("(user@example.com)");
		this.#iterateCharacters("(https://user@example.com)");
		this.#iterateCharacters("(index.html \"title\")");
		this.#iterateCharacters("(index.html \"title)");
		this.#iterateCharacters("(index.html title\")");
		this.#iterateCharacters("(index.html title)");
		this.#iterateCharacters("![alt][image.jpg]");
		this.#iterateCharacters("![alt[](image.jpg()");
		this.#iterateCharacters("! [alt](image.jpg)");
		this.#iterateCharacters("!(image.jpg)");
		this.#iterateCharacters("[][]]][][[][][][[][[]][][][][][[[]]]][]][][");
		this.#iterateCharacters("())())()()()(())(()((())))(()((()");
		this.#iterateCharacters("<https://example.com>");
		this.#iterateCharacters("<<https://example.com>");
		this.#iterateCharacters("<https://example.com>>");
		this.#iterateCharacters("[link][ref]\n\n[ref]: page.html");
		this.#iterateCharacters("[link][ref]\n[ref]: page.html");
		this.#iterateCharacters("[link][ref]\n\n[ref]:page.html");
		this.#iterateCharacters("[ref]: page.html\n\n[link][ref]");
		this.#iterateCharacters("[link][ref]\n\n[ref]: page.html \"title\"");
		this.#iterateCharacters("[link][ref]\n\n[ref]: page.html title");
		this.#iterateCharacters("Lorem[^1] ipsum[^abc] dolor[^-1]\n\n[^abc]: def\n[^1]: def\n[^-1]: def\n[^abc]: def");
		this.#iterateCharacters("Lorem[^1]\n\n[^2]: def");
		this.#iterateCharacters("[^1]] [[^2] [^3]] [[^4]] ]^5[");
		this.#iterateCharacters("[^1]: Def\n\nLorem[^1]");
		this.#iterateCharacters("[^1]: Def\n\nLorem[^2]");
		this.#iterateCharacters("Lorem <foo> ipsum");
		this.#iterateCharacters("Lorem <span> ipsum");
		this.#iterateCharacters("Lorem <span class=\"foo\" id=\"foo\" lang=\"en\"> ipsum");
		this.#iterateCharacters("Lorem </span> ipsum");
		this.#iterateCharacters("Lorem </span foo=\"bar\">");
		this.#iterateCharacters("Lorem <span foo='bar' baz=ipsum dolor> sit");
		this.#iterateCharacters("\\*\\\\*\\\\\\*\\\\\\\\*\\*");
	}
}