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author | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-03-30 09:44:21 +0200 |
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committer | janekptacijarabaci <janekptacijarabaci@seznam.cz> | 2018-03-30 09:44:21 +0200 |
commit | a1a007a4856fa50d6d811c2268f881e3666f4c67 (patch) | |
tree | 24b082c1bfb5777f1770c82a534bf765160bc1b8 /js/src/tests/ecma_6/RegExp/replace-local-tolength-recompilation.js | |
parent | eddd0de2ae80e176011f41a5400e81522d53f4f3 (diff) | |
parent | 59bf4204a84f7638d3f89a29bc7c04e5dc401369 (diff) | |
download | UXP-a1a007a4856fa50d6d811c2268f881e3666f4c67.tar UXP-a1a007a4856fa50d6d811c2268f881e3666f4c67.tar.gz UXP-a1a007a4856fa50d6d811c2268f881e3666f4c67.tar.lz UXP-a1a007a4856fa50d6d811c2268f881e3666f4c67.tar.xz UXP-a1a007a4856fa50d6d811c2268f881e3666f4c67.zip |
Merge branch 'master' of https://github.com/MoonchildProductions/UXP into html_input_datetime_1
Diffstat (limited to 'js/src/tests/ecma_6/RegExp/replace-local-tolength-recompilation.js')
-rw-r--r-- | js/src/tests/ecma_6/RegExp/replace-local-tolength-recompilation.js | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/RegExp/replace-local-tolength-recompilation.js b/js/src/tests/ecma_6/RegExp/replace-local-tolength-recompilation.js new file mode 100644 index 000000000..e03177286 --- /dev/null +++ b/js/src/tests/ecma_6/RegExp/replace-local-tolength-recompilation.js @@ -0,0 +1,75 @@ +// Side-effects when calling ToLength(regExp.lastIndex) in +// RegExp.prototype[@@replace] for non-global RegExp can recompile the RegExp. + +for (var flag of ["", "y"]) { + var regExp = new RegExp("a", flag); + + regExp.lastIndex = { + valueOf() { + regExp.compile("b"); + return 0; + } + }; + + var result = regExp[Symbol.replace]("b", "pass"); + assertEq(result, "pass"); +} + +// Recompilation modifies flag: +// Case 1: Adds global flag, validate by checking lastIndex. +var regExp = new RegExp("a", ""); +regExp.lastIndex = { + valueOf() { + // |regExp| is now in global mode, RegExpBuiltinExec should update the + // lastIndex property to reflect last match. + regExp.compile("a", "g"); + return 0; + } +}; +regExp[Symbol.replace]("a", ""); +assertEq(regExp.lastIndex, 1); + +// Case 2: Removes sticky flag with match, validate by checking lastIndex. +var regExp = new RegExp("a", "y"); +regExp.lastIndex = { + valueOf() { + // |regExp| is no longer sticky, RegExpBuiltinExec shouldn't modify the + // lastIndex property. + regExp.compile("a", ""); + regExp.lastIndex = 9000; + return 0; + } +}; +regExp[Symbol.replace]("a", ""); +assertEq(regExp.lastIndex, 9000); + +// Case 3.a: Removes sticky flag without match, validate by checking lastIndex. +var regExp = new RegExp("a", "y"); +regExp.lastIndex = { + valueOf() { + // |regExp| is no longer sticky, RegExpBuiltinExec shouldn't modify the + // lastIndex property. + regExp.compile("b", ""); + regExp.lastIndex = 9001; + return 0; + } +}; +regExp[Symbol.replace]("a", ""); +assertEq(regExp.lastIndex, 9001); + +// Case 3.b: Removes sticky flag without match, validate by checking lastIndex. +var regExp = new RegExp("a", "y"); +regExp.lastIndex = { + valueOf() { + // |regExp| is no longer sticky, RegExpBuiltinExec shouldn't modify the + // lastIndex property. + regExp.compile("b", ""); + regExp.lastIndex = 9002; + return 10000; + } +}; +regExp[Symbol.replace]("a", ""); +assertEq(regExp.lastIndex, 9002); + +if (typeof reportCompare === "function") + reportCompare(true, true); |