diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/prototype/exec/y-fail-lastindex-no-write.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/prototype/exec/y-fail-lastindex-no-write.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-fail-lastindex-no-write.js b/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-fail-lastindex-no-write.js new file mode 100644 index 0000000000..5c353da177 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-fail-lastindex-no-write.js @@ -0,0 +1,38 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Match failure with non-writable `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")). + [...] + 15. Repeat, while matchSucceeded is false + [...] + b. Let r be matcher(S, lastIndex). + c. If r is failure, then + i. If sticky is true, then + 1. Let setStatus be Set(R, "lastIndex", 0, true). + 2. ReturnIfAbrupt(setStatus). +---*/ + +var r = /c/y; +Object.defineProperty(r, 'lastIndex', { + writable: false +}); + +assert.throws(TypeError, function() { + r.exec('abc'); +}); + +reportCompare(0, 0); |