diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js new file mode 100644 index 0000000000..a1581be078 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/derived-class-return-override-with-object.js @@ -0,0 +1,42 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.2.2 +description: > + [[Construct]] ( argumentsList, newTarget) + + ... + 13. If result.[[type]] is return, then + a. If Type(result.[[value]]) is Object, return NormalCompletion(result.[[value]]). + ... + ... + + `return {};` + +---*/ +var calls = 0; +class Base { + constructor() { + this.prop = 1; + calls++; + } +} +class Derived extends Base { + constructor() { + super(); + + return {}; + } +} + +var object = new Derived(); + +// super is called +assert.sameValue(calls, 1, "The value of `calls` is `1`, because `super()`"); + +// But the this object was discarded. +assert.sameValue(typeof object.prop, "undefined"); +assert.sameValue(object instanceof Derived, false); +assert.sameValue(object instanceof Base, false); + +reportCompare(0, 0); |