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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-contains-return-override.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-contains-return-override.js b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-contains-return-override.js new file mode 100644 index 0000000000..5fc6aa0c29 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/class-definition-null-proto-contains-return-override.js @@ -0,0 +1,35 @@ +// Copyright (C) 2014 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-runtime-semantics-classdefinitionevaluation +es6id: 14.5.14 +description: > + The constructor of a null-extending class can contain an explicit return value. +info: | + Runtime Semantics: ClassDefinitionEvaluation + + [...] + 15. If ClassHeritageopt is present, then set F's [[ConstructorKind]] internal slot to "derived". + [...] + + 9.2.2 [[Construct]] + + [...] + 13. If result.[[Type]] is return, then + a. If Type(result.[[Value]]) is Object, return NormalCompletion(result.[[Value]]). + [...] +---*/ +var obj; + +class Foo extends null { + constructor() { + return obj = {}; + } +} + +var f = new Foo(); + +assert.sameValue(f, obj); +assert.sameValue(Object.getPrototypeOf(f), Object.prototype); + +reportCompare(0, 0); |