diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js b/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js new file mode 100644 index 0000000000..39195e7b89 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js @@ -0,0 +1,34 @@ +'use strict'; +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.5.10 +description: > + [[Delete]] (P) + + 8. If trap is undefined, then Return target.[[Delete]](P). +flags: [onlyStrict] +features: [Proxy, Reflect] +---*/ + +var target = { + attr: 1 +}; +var p = new Proxy(target, {}); + +assert.sameValue(delete p.attr, true); +assert.sameValue(delete p.notThere, true); +assert.sameValue( + Object.getOwnPropertyDescriptor(target, "attr"), + undefined +); + +Object.defineProperty(target, "attr", { + configurable: false, + enumerable: true, + value: 1 +}); + +assert.sameValue(Reflect.deleteProperty(p, "attr"), false); + +reportCompare(0, 0); |