diff options
Diffstat (limited to 'devtools/shared/tests/xpcshell')
| -rw-r--r-- | devtools/shared/tests/xpcshell/test_csslexer.js | 450 |
1 files changed, 265 insertions, 185 deletions
diff --git a/devtools/shared/tests/xpcshell/test_csslexer.js b/devtools/shared/tests/xpcshell/test_csslexer.js index 417fb6b1df..aabc41a0be 100644 --- a/devtools/shared/tests/xpcshell/test_csslexer.js +++ b/devtools/shared/tests/xpcshell/test_csslexer.js @@ -5,199 +5,279 @@ "use strict"; -const jsLexer = require("resource://devtools/shared/css/lexer.js"); - -function test_lexer(cssText, tokenTypes) { - const lexer = jsLexer.getCSSLexer(cssText); - let reconstructed = ""; - let lastTokenEnd = 0; - let i = 0; - while (true) { - const token = lexer.nextToken(); - if (!token) { - break; - } - let combined = token.tokenType; - if (token.text) { - combined += ":" + token.text; +const { + InspectorCSSParserWrapper, +} = require("resource://devtools/shared/css/lexer.js"); + +add_task(function test_lexer() { + const LEX_TESTS = [ + ["simple", [{ tokenType: "Ident", text: "simple", value: "simple" }]], + [ + "simple: { hi; }", + [ + { tokenType: "Ident", text: "simple", value: "simple" }, + { tokenType: "Colon", text: ":" }, + { tokenType: "WhiteSpace", text: " " }, + { tokenType: "CurlyBracketBlock", text: "{" }, + { tokenType: "WhiteSpace", text: " " }, + { tokenType: "Ident", text: "hi", value: "hi" }, + { tokenType: "Semicolon", text: ";" }, + { tokenType: "WhiteSpace", text: " " }, + { tokenType: "CloseCurlyBracket", text: "}" }, + ], + ], + [ + "/* whatever */", + [{ tokenType: "Comment", text: "/* whatever */", value: " whatever " }], + ], + [ + "'string'", + [{ tokenType: "QuotedString", text: "'string'", value: "string" }], + ], + [ + '"string"', + [{ tokenType: "QuotedString", text: `"string"`, value: "string" }], + ], + [ + "rgb(1,2,3)", + [ + { tokenType: "Function", text: "rgb(", value: "rgb" }, + { tokenType: "Number", text: "1", number: 1 }, + { tokenType: "Comma", text: "," }, + { tokenType: "Number", text: "2", number: 2 }, + { tokenType: "Comma", text: "," }, + { tokenType: "Number", text: "3", number: 3 }, + { tokenType: "CloseParenthesis", text: ")" }, + ], + ], + ["@media", [{ tokenType: "AtKeyword", text: "@media", value: "media" }]], + ["#hibob", [{ tokenType: "IDHash", text: "#hibob", value: "hibob" }]], + ["#123", [{ tokenType: "Hash", text: "#123", value: "123" }]], + [ + "23px", + [{ tokenType: "Dimension", text: "23px", number: 23, unit: "px" }], + ], + ["23%", [{ tokenType: "Percentage", text: "23%", number: 0.23 }]], + [ + "url(http://example.com)", + [ + { + tokenType: "UnquotedUrl", + text: "url(http://example.com)", + value: "http://example.com", + }, + ], + ], + [ + "url('http://example.com')", + [ + { tokenType: "Function", text: "url(", value: "url" }, + { + tokenType: "QuotedString", + text: "'http://example.com'", + value: "http://example.com", + }, + { tokenType: "CloseParenthesis", text: ")" }, + ], + ], + [ + "url( 'http://example.com' )", + [ + { tokenType: "Function", text: "url(", value: "url" }, + { tokenType: "WhiteSpace", text: " " }, + { + tokenType: "QuotedString", + text: "'http://example.com'", + value: "http://example.com", + }, + { tokenType: "WhiteSpace", text: " " }, + { tokenType: "CloseParenthesis", text: ")" }, + ], + ], + // In CSS Level 3, this is an ordinary URL, not a BAD_URL. + [ + "url(http://example.com", + [ + { + tokenType: "UnquotedUrl", + text: "url(http://example.com", + value: "http://example.com", + }, + ], + ], + [ + "url(http://example.com @", + [ + { + tokenType: "BadUrl", + text: "url(http://example.com @", + value: "http://example.com @", + }, + ], + ], + [ + "quo\\ting", + [{ tokenType: "Ident", text: "quo\\ting", value: "quoting" }], + ], + [ + "'bad string\n", + [ + { tokenType: "BadString", text: "'bad string", value: "bad string" }, + { tokenType: "WhiteSpace", text: "\n" }, + ], + ], + ["~=", [{ tokenType: "IncludeMatch", text: "~=" }]], + ["|=", [{ tokenType: "DashMatch", text: "|=" }]], + ["^=", [{ tokenType: "PrefixMatch", text: "^=" }]], + ["$=", [{ tokenType: "SuffixMatch", text: "$=" }]], + ["*=", [{ tokenType: "SubstringMatch", text: "*=" }]], + + [ + "<!-- html comment -->", + [ + { tokenType: "CDO", text: "<!--" }, + { tokenType: "WhiteSpace", text: " " }, + { tokenType: "Ident", text: "html", value: "html" }, + { tokenType: "WhiteSpace", text: " " }, + { tokenType: "Ident", text: "comment", value: "comment" }, + { tokenType: "WhiteSpace", text: " " }, + { tokenType: "CDC", text: "-->" }, + ], + ], + + // earlier versions of CSS had "bad comment" tokens, but in level 3, + // unterminated comments are just comments. + [ + "/* bad comment", + [{ tokenType: "Comment", text: "/* bad comment", value: " bad comment" }], + ], + ]; + + const test = (cssText, tokenTypes) => { + const lexer = new InspectorCSSParserWrapper(cssText); + let reconstructed = ""; + let lastTokenEnd = 0; + let i = 0; + let token; + while ((token = lexer.nextToken())) { + const expectedToken = tokenTypes[i]; + Assert.deepEqual( + { + tokenType: token.tokenType, + text: token.text, + value: token.value, + number: token.number, + unit: token.unit, + }, + { + tokenType: expectedToken.tokenType, + text: expectedToken.text, + value: expectedToken.value ?? null, + number: expectedToken.number ?? null, + unit: expectedToken.unit ?? null, + }, + `Got expected token #${i} for "${cssText}"` + ); + + Assert.greater(token.endOffset, token.startOffset); + equal(token.startOffset, lastTokenEnd); + lastTokenEnd = token.endOffset; + reconstructed += cssText.substring(token.startOffset, token.endOffset); + ++i; } - equal(combined, tokenTypes[i]); - Assert.greater(token.endOffset, token.startOffset); - equal(token.startOffset, lastTokenEnd); - lastTokenEnd = token.endOffset; - reconstructed += cssText.substring(token.startOffset, token.endOffset); - ++i; + // Ensure that we saw the correct number of tokens. + equal(i, tokenTypes.length); + // Ensure that the reported offsets cover all the text. + equal(reconstructed, cssText); + }; + + for (const [cssText, rustTokenTypes] of LEX_TESTS) { + info(`Test "${cssText}"`); + test(cssText, rustTokenTypes); } - // Ensure that we saw the correct number of tokens. - equal(i, tokenTypes.length); - // Ensure that the reported offsets cover all the text. - equal(reconstructed, cssText); -} - -var LEX_TESTS = [ - ["simple", ["ident:simple"]], - [ - "simple: { hi; }", - [ - "ident:simple", - "symbol::", - "whitespace", - "symbol:{", - "whitespace", - "ident:hi", - "symbol:;", - "whitespace", - "symbol:}", - ], - ], - ["/* whatever */", ["comment"]], - ["'string'", ["string:string"]], - ['"string"', ["string:string"]], - [ - "rgb(1,2,3)", - [ - "function:rgb", - "number", - "symbol:,", - "number", - "symbol:,", - "number", - "symbol:)", - ], - ], - ["@media", ["at:media"]], - ["#hibob", ["id:hibob"]], - ["#123", ["hash:123"]], - ["23px", ["dimension:px"]], - ["23%", ["percentage"]], - ["url(http://example.com)", ["url:http://example.com"]], - ["url('http://example.com')", ["url:http://example.com"]], - ["url( 'http://example.com' )", ["url:http://example.com"]], - // In CSS Level 3, this is an ordinary URL, not a BAD_URL. - ["url(http://example.com", ["url:http://example.com"]], - ["url(http://example.com @", ["bad_url:http://example.com"]], - ["quo\\ting", ["ident:quoting"]], - ["'bad string\n", ["bad_string:bad string", "whitespace"]], - ["~=", ["includes"]], - ["|=", ["dashmatch"]], - ["^=", ["beginsmatch"]], - ["$=", ["endsmatch"]], - ["*=", ["containsmatch"]], - - // URANGE may be on the way out, and it isn't used by devutils, so - // let's skip it. - - [ - "<!-- html comment -->", - [ - "htmlcomment", - "whitespace", - "ident:html", - "whitespace", - "ident:comment", - "whitespace", - "htmlcomment", - ], - ], - - // earlier versions of CSS had "bad comment" tokens, but in level 3, - // unterminated comments are just comments. - ["/* bad comment", ["comment"]], -]; - -function test_lexer_linecol(cssText, locations) { - const lexer = jsLexer.getCSSLexer(cssText); - let i = 0; - while (true) { - const token = lexer.nextToken(); - const startLine = lexer.lineNumber; - const startColumn = lexer.columnNumber; - - // We do this in a bit of a funny way so that we can also test the - // location of the EOF. - let combined = ":" + startLine + ":" + startColumn; - if (token) { - combined = token.tokenType + combined; - } +}); + +add_task(function test_lexer_linecol() { + const LINECOL_TESTS = [ + ["simple", ["Ident:0:0", ":0:6"]], + ["\n stuff", ["WhiteSpace:0:0", "Ident:1:4", ":1:9"]], + [ + '"string with \\\nnewline" \r\n', + ["QuotedString:0:0", "WhiteSpace:1:8", ":2:0"], + ], + ]; + + const test = (cssText, locations) => { + const lexer = new InspectorCSSParserWrapper(cssText); + let i = 0; + let token; + const testLocation = () => { + const startLine = lexer.parser.lineNumber; + const startColumn = lexer.parser.columnNumber; - equal(combined, locations[i]); - ++i; + // We do this in a bit of a funny way so that we can also test the + // location of the EOF. + let combined = ":" + startLine + ":" + startColumn; + if (token) { + combined = token.tokenType + combined; + } - if (!token) { - break; + equal(combined, locations[i]); + ++i; + }; + while ((token = lexer.nextToken())) { + testLocation(); } - } - // Ensure that we saw the correct number of tokens. - equal(i, locations.length); -} - -function test_lexer_eofchar( - cssText, - argText, - expectedAppend, - expectedNoAppend -) { - const lexer = jsLexer.getCSSLexer(cssText); - while (lexer.nextToken()) { - // Nothing. - } + // Collect location after we consumed all the tokens + testLocation(); + // Ensure that we saw the correct number of tokens. + equal(i, locations.length); + }; - info("EOF char test, input = " + cssText); - - let result = lexer.performEOFFixup(argText, true); - equal(result, expectedAppend); - - result = lexer.performEOFFixup(argText, false); - equal(result, expectedNoAppend); -} - -var LINECOL_TESTS = [ - ["simple", ["ident:0:0", ":0:6"]], - ["\n stuff", ["whitespace:0:0", "ident:1:4", ":1:9"]], - [ - '"string with \\\nnewline" \r\n', - ["string:0:0", "whitespace:1:8", ":2:0"], - ], -]; - -var EOFCHAR_TESTS = [ - ["hello", "hello"], - ["hello \\", "hello \\\\", "hello \\\uFFFD"], - ["'hello", "'hello'"], - ['"hello', '"hello"'], - ["'hello\\", "'hello\\\\'", "'hello'"], - ['"hello\\', '"hello\\\\"', '"hello"'], - ["/*hello", "/*hello*/"], - ["/*hello*", "/*hello*/"], - ["/*hello\\", "/*hello\\*/"], - ["url(hello", "url(hello)"], - ["url('hello", "url('hello')"], - ['url("hello', 'url("hello")'], - ["url(hello\\", "url(hello\\\\)", "url(hello\\\uFFFD)"], - ["url('hello\\", "url('hello\\\\')", "url('hello')"], - ['url("hello\\', 'url("hello\\\\")', 'url("hello")'], -]; - -function run_test() { - let text, result; - for ([text, result] of LEX_TESTS) { - test_lexer(text, result); + for (const [cssText, rustLocations] of LINECOL_TESTS) { + info(`Test "${cssText}"`); + test(cssText, rustLocations); } +}); - for ([text, result] of LINECOL_TESTS) { - test_lexer_linecol(text, result); - } +add_task(function test_lexer_eofchar() { + const EOFCHAR_TESTS = [ + ["hello", "hello"], + ["hello \\", "hello \\\\"], + ["'hello", "'hello'"], + ['"hello', '"hello"'], + ["'hello\\", "'hello\\\\'"], + ['"hello\\', '"hello\\\\"'], + ["/*hello", "/*hello*/"], + ["/*hello*", "/*hello*/"], + ["/*hello\\", "/*hello\\*/"], + ["url(hello", "url(hello)"], + ["url('hello", "url('hello')"], + ['url("hello', 'url("hello")'], + ["url(hello\\", "url(hello\\\\)"], + ["url('hello\\", "url('hello\\\\')"], + ['url("hello\\', 'url("hello\\\\")'], + // Ensure that passing a different inputString to performEOFFixup + // doesn't cause an assertion trying to strip a backslash from the + // end of an empty string. + ["'\\", "\\'", ""], + ]; - let expectedAppend, expectedNoAppend; - for ([text, expectedAppend, expectedNoAppend] of EOFCHAR_TESTS) { - if (!expectedNoAppend) { - expectedNoAppend = expectedAppend; + const test = (cssText, expectedAppend, argText) => { + const lexer = new InspectorCSSParserWrapper(cssText, { + trackEOFChars: true, + }); + while (lexer.nextToken()) { + // We don't need to do anything with the tokens. We only want to consume the iterator + // so we can safely call performEOFFixup. } - test_lexer_eofchar(text, text, expectedAppend, expectedNoAppend); - } - // Ensure that passing a different inputString to performEOFFixup - // doesn't cause an assertion trying to strip a backslash from the - // end of an empty string. - test_lexer_eofchar("'\\", "", "\\'", "'"); -} + info("EOF char test, input = " + cssText); + equal(lexer.performEOFFixup(argText), expectedAppend); + }; + + for (const [cssText, expectedAppend, argText = cssText] of EOFCHAR_TESTS) { + info(`Test "${cssText}"`); + test(cssText, expectedAppend, argText); + } +}); |