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author | Gaming4JC <g4jc@hyperbola.info> | 2019-06-08 18:45:02 -0400 |
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committer | Gaming4JC <g4jc@hyperbola.info> | 2019-07-18 22:38:21 -0400 |
commit | 9476f2e018856139f92e96e8e738bbbab615e67d (patch) | |
tree | b79082220b051c84437cbfd837040a1208726562 /js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js | |
parent | 2ea840b045e7db434d6960f72f5313b9621ffd03 (diff) | |
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1175823 - Import test262 mapped arguments tests.
Diffstat (limited to 'js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js')
-rwxr-xr-x | js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js new file mode 100755 index 000000000..9a089eaac --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js @@ -0,0 +1,24 @@ +// 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. Variable is changed with SetMutableBinding. +flags: [noStrict] +---*/ + +function argumentsAndDeleteSetMutableBinding(a) { + Object.defineProperty(arguments, "0", {configurable: false}); + + // Precondition: Delete is unsuccessful and doesn't affect mapping. + assert.sameValue(delete arguments[0], false); + assert.sameValue(a, 1); + assert.sameValue(arguments[0], 1); + + a = 2; + assert.sameValue(a, 2); + assert.sameValue(arguments[0], 2); +} +argumentsAndDeleteSetMutableBinding(1); |