diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js new file mode 100644 index 0000000000..23d3e8dbf8 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Map/super-must-be-called.js @@ -0,0 +1,34 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 23.1.1 +description: Super need to be called to initialize internals +info: | + 23.1.1 The Map Constructor + + ... + + The Map constructor is designed to be subclassable. It may be used as the + value in an extends clause of a class definition. Subclass constructors that + intend to inherit the specified Map behaviour must include a super call to the + Map constructor to create and initialize the subclass instance with the + internal state necessary to support the Map.prototype built-in methods. +---*/ + +class M1 extends Map { + constructor() {} +} + +assert.throws(ReferenceError, function() { + new M1(); +}); + +class M2 extends Map { + constructor() { + super(); + } +} + +new M2(); + +reportCompare(0, 0); |