diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number')
4 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/browser.js diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/regular-subclassing.js new file mode 100644 index 0000000000..f5764f046f --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/regular-subclassing.js @@ -0,0 +1,25 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 20.1.1 +description: Subclassing the Number object +info: | + 20.1.1 The Number Constructor + + ... + + The Number constructor is designed to be subclassable. It may be used as the + value of an extends clause of a class definition. Subclass constructors that + intend to inherit the specified Number behaviour must include a super call to + the Number constructor to create and initialize the subclass instance with a + [[NumberData]] internal slot. +---*/ + +class N extends Number {} + +var n = new N(42); + +assert.sameValue(n.toFixed(2), '42.00'); +assert.sameValue(n.toExponential(2), '4.20e+1'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/shell.js diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/super-must-be-called.js new file mode 100644 index 0000000000..fb37ca829c --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Number/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: 20.1.1 +description: Super need to be called to initialize internals +info: | + 20.1.1 The Number Constructor + + ... + + The Number constructor is designed to be subclassable. It may be used as the + value of an extends clause of a class definition. Subclass constructors that + intend to inherit the specified Number behaviour must include a super call to + the Number constructor to create and initialize the subclass instance with a + [[NumberData]] internal slot. +---*/ + +class N extends Number { + constructor() {} +} + +assert.throws(ReferenceError, function() { + new N(); +}); + +class N2 extends Number { + constructor() { + super(); + } +} + +new N2(); + +reportCompare(0, 0); |