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author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-08-18 16:25:15 +0200 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-08-18 16:26:16 +0200 |
commit | 202296d02aa99afa90581333ab059c050b9c3ade (patch) | |
tree | 6ed8a1289bed1bb06d2703ea77cba5fccd3bdffa /js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js | |
parent | 1530f48c27fb13d7cbd2708c9f0fcf2dabc6ed6a (diff) | |
parent | ab6242a93b849b0a3c7525b16bc01dd3172fc167 (diff) | |
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Pull Basilisk-release forward.
Diffstat (limited to 'js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js')
-rwxr-xr-x | js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js new file mode 100755 index 000000000..b48018843 --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js @@ -0,0 +1,26 @@ +// Copyright (C) 2015 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: Mapped arguments object with non-configurable property +description: > + Mapping works when property is non-configurable, arguments property + was not deleted. [[Delete]] operations throws TypeError if called + from strict-mode code. Arguments property is changed with [[Set]]. +flags: [noStrict] +---*/ + +function argumentsAndStrictDeleteSet(a) { + Object.defineProperty(arguments, "0", {configurable: false}); + + // Precondition: Delete is unsuccessful and doesn't affect mapping. + var args = arguments; + assert.throws(TypeError, function() { "use strict"; delete args[0]; }); + assert.sameValue(a, 1); + assert.sameValue(arguments[0], 1); + + arguments[0] = 2; + assert.sameValue(a, 2); + assert.sameValue(arguments[0], 2); +} +argumentsAndStrictDeleteSet(1); |