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Diffstat (limited to 'js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js b/js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js new file mode 100644 index 0000000000..8a25d34be6 --- /dev/null +++ b/js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js @@ -0,0 +1,27 @@ +'use strict'; +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + This test is actually testing the [[Delete]] internal method (8.12.8). Since the + language provides no way to directly exercise [[Delete]], the tests are placed here. +esid: sec-delete-operator-runtime-semantics-evaluation +description: > + delete operator throws TypeError when deleting a non-configurable + data property in strict mode +flags: [onlyStrict] +---*/ + +var o = {}; +var desc = { + value: 1, +}; // all other attributes default to false +Object.defineProperty(o, 'foo', desc); + +// Now, deleting o.foo should throw TypeError because [[Configurable]] on foo is false. +assert.throws(TypeError, function() { + delete o.foo; +}); + +reportCompare(0, 0); |