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Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/prototype/exec/y-init-lastindex.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/prototype/exec/y-init-lastindex.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-init-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-init-lastindex.js new file mode 100644 index 0000000000..ca5b7ea03b --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-init-lastindex.js @@ -0,0 +1,33 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Honors initial value of the `lastIndex` property +es6id: 21.2.5.2 +info: | + 21.2.5.2 RegExp.prototype.exec ( string ) + + [...] + 6. Return RegExpBuiltinExec(R, S). + + 21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S ) + + [...] + 4. Let lastIndex be ToLength(Get(R,"lastIndex")). + [...] + 8. Let sticky be ToBoolean(Get(R, "sticky")). + 9. ReturnIfAbrupt(sticky). + 10. If global is false and sticky is false, let lastIndex be 0. +---*/ + +var r = /./y; +var match; +r.lastIndex = 1; + +match = r.exec('abc'); + +assert(match !== null); +assert.sameValue(match.length, 1); +assert.sameValue(match[0], 'b'); + +reportCompare(0, 0); |