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author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-08-23 01:43:12 +0200 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-08-23 01:43:12 +0200 |
commit | dd33cb382321351aa3b960a6824cb9ec43bba05b (patch) | |
tree | 729b4065b2a1c849d1fb6ad28b7e0c510f1a6a67 /js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-4.js | |
parent | 6a6e4bd25d61ecf21a28ea47f2a74927553fe959 (diff) | |
parent | ab6242a93b849b0a3c7525b16bc01dd3172fc167 (diff) | |
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Merge branch 'master' into Pale_Moon-release
Diffstat (limited to 'js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-4.js')
-rwxr-xr-x | js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-4.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-4.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-4.js new file mode 100755 index 000000000..80d56fe1c --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-4.js @@ -0,0 +1,25 @@ +// 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: > + Mapped arguments property is changed to non-configurable and + non-writable. Perform property attribute changes with two + [[DefineOwnProperty]] calls. Add intervening call to [[Set]]. +flags: [noStrict] +---*/ + +function argumentsNonConfigurableThenNonWritableWithInterveningSet(a) { + Object.defineProperty(arguments, "0", {configurable: false}); + arguments[0] = 2; + Object.defineProperty(arguments, "0", {writable: false}); + assert.sameValue(a, 2); + assert.sameValue(arguments[0], 2); + + // Postcondition: Arguments mapping is removed. + a = 3; + assert.sameValue(a, 3); + assert.sameValue(arguments[0], 2); +} +argumentsNonConfigurableThenNonWritableWithInterveningSet(1); |