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Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js new file mode 100644 index 0000000000..dc8548afdf --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js @@ -0,0 +1,41 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Setting `lastIndex` after a "global" match success +esid: sec-regexp.prototype-@@match +info: | + [...] + 5. Let global be ToBoolean(Get(rx, "global")). + 6. ReturnIfAbrupt(global). + 7. If global is false, then + a. Return RegExpExec(rx, S). + + 21.2.5.2.1 Runtime Semantics: RegExpExec ( R, S ) + + [...] + 7. Return RegExpBuiltinExec(R, S). + + 21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S ) + + [...] + 5. Let flags be the value of R's [[OriginalFlags]] internal slot. + 6. If flags contains "g", let global be true, else let global be false. + [...] + 16. Let e be r's endIndex value. + [...] + 18. If global is true or sticky is true, + a. Let setStatus be Set(R, "lastIndex", e, true). +features: [Symbol.match] +---*/ + +// The conflicting values for the "global" flag are necessary to observe the +// final modification of `lastIndex` in RegExpBuiltinExec +var r = /b/g; +Object.defineProperty(r, 'global', { value: false }); + +r[Symbol.match]('abc'); + +assert.sameValue(r.lastIndex, 2); + +reportCompare(0, 0); |