diff options
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/binding.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/binding.js b/js/src/tests/test262/language/statements/class/subclass/binding.js new file mode 100644 index 0000000000..cd22c23d35 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/binding.js @@ -0,0 +1,54 @@ +// Copyright (C) 2014 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 14.5 +description: > + class subclass binding +---*/ +class Base { + constructor(x, y) { + this.x = x; + this.y = y; + } +} + +var obj = {}; +class Subclass extends Base { + constructor(x, y) { + super(x,y); + assert.sameValue(this !== obj, true, "The result of `this !== obj` is `true`"); + } +} + +var f = Subclass.bind(obj); +assert.throws(TypeError, function () { f(1, 2); }); +var s = new f(1, 2); +assert.sameValue(s.x, 1, "The value of `s.x` is `1`"); +assert.sameValue(s.y, 2, "The value of `s.y` is `2`"); +assert.sameValue( + Object.getPrototypeOf(s), + Subclass.prototype, + "`Object.getPrototypeOf(s)` returns `Subclass.prototype`" +); + +var s1 = new f(1); +assert.sameValue(s1.x, 1, "The value of `s1.x` is `1`"); +assert.sameValue(s1.y, undefined, "The value of `s1.y` is `undefined`"); +assert.sameValue( + Object.getPrototypeOf(s1), + Subclass.prototype, + "`Object.getPrototypeOf(s1)` returns `Subclass.prototype`" +); + +var g = Subclass.bind(obj, 1); +assert.throws(TypeError, function () { g(8); }); +var s2 = new g(8); +assert.sameValue(s2.x, 1, "The value of `s2.x` is `1`"); +assert.sameValue(s2.y, 8, "The value of `s2.y` is `8`"); +assert.sameValue( + Object.getPrototypeOf(s), + Subclass.prototype, + "`Object.getPrototypeOf(s)` returns `Subclass.prototype`" +); + +reportCompare(0, 0); |