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Diffstat (limited to 'js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-1.js')
-rw-r--r-- | js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-1.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-1.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-1.js new file mode 100644 index 0000000000..7b6f7df047 --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-1.js @@ -0,0 +1,27 @@ +// 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-writable and + non-configurable. Perform property attribute changes with two + consecutive [[DefineOwnProperty]] calls. Mapped values are + unchanged, mapping itself is removed. +flags: [noStrict] +---*/ + +function argumentsNonWritableThenNonConfigurable(a) { + Object.defineProperty(arguments, "0", {writable: false}); + Object.defineProperty(arguments, "0", {configurable: false}); + assert.sameValue(a, 1); + assert.sameValue(arguments[0], 1); + + // Postcondition: Arguments mapping is removed. + a = 2; + assert.sameValue(a, 2); + assert.sameValue(arguments[0], 1); +} +argumentsNonWritableThenNonConfigurable(1); + +reportCompare(0, 0); |