diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array')
7 files changed, 162 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/browser.js diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-multiple-arguments.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-multiple-arguments.js new file mode 100644 index 0000000000..e1d285b914 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-multiple-arguments.js @@ -0,0 +1,28 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 22.1.1 +description: > + Constructor calling super() with 2+ arguments creates an Array object +info: | + 22.1.1 The Array Constructor + + The Array 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 exotic Array behaviour must include a super call to the + Array constructor to initialize subclass instances that are exotic Array + objects. +includes: [compareArray.js] +---*/ + +class Sub extends Array { + constructor(a, b) { + super(a, b); + } +} + +var sub = new Sub(42, 'foo'); + +assert.compareArray(sub, [42, 'foo']); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-single-argument.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-single-argument.js new file mode 100644 index 0000000000..9311d7f278 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/contructor-calls-super-single-argument.js @@ -0,0 +1,27 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 22.1.1 +description: > + Constructor calling super() with a single argument creates an Array object +info: | + 22.1.1 The Array Constructor + + The Array 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 exotic Array behaviour must include a super call to the + Array constructor to initialize subclass instances that are exotic Array + objects. +---*/ + +class Sub extends Array { + constructor(a) { + super(a); + } +} + +var sub = new Sub(42); + +assert.sameValue(sub.length, 42); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/length.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/length.js new file mode 100644 index 0000000000..e19bc322a6 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/length.js @@ -0,0 +1,38 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 22.1.4.1 +description: > + Instances has the own property length +info: | + 22.1.4.1 length + + The length property of an Array instance is a data property whose value is + always numerically greater than the name of every configurable own property + whose name is an array index. + + The length property initially has the attributes { [[Writable]]: true, + [[Enumerable]]: false, [[Configurable]]: false }. +---*/ + +class Ar extends Array {} + +var arr = new Ar('foo', 'bar'); + +assert.sameValue(arr[0], 'foo'); +assert.sameValue(arr[1], 'bar'); + +var arrDesc = Object.getOwnPropertyDescriptor(arr, 'length'); + +assert.sameValue(arrDesc.writable, true); +assert.sameValue(arrDesc.enumerable, false); +assert.sameValue(arrDesc.configurable, false); + +assert.sameValue(arr[1], 'bar'); + +arr.length = 1; + +assert.sameValue(arr[0], 'foo'); +assert.sameValue(arr[1], undefined); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js new file mode 100644 index 0000000000..3b5df29719 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/regular-subclassing.js @@ -0,0 +1,35 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 22.1.1 +description: Subclassing Array +info: | + 22.1.1 The Array Constructor + + The Array constructor is designed to be subclassable. It may be used as the + value of an extends clause of a class definition. (...) +includes: [compareArray.js] +---*/ + +class Sub extends Array {} + +var a1 = new Sub(42, 'foo'); + +assert.sameValue(a1.length, 2); +assert.sameValue(a1[0], 42); +assert.sameValue(a1[1], 'foo'); + +a1.push(true); +assert.sameValue(a1.length, 3, 'Array#push updates the length property'); +assert.sameValue(a1[0], 42); +assert.sameValue(a1[1], 'foo'); +assert.sameValue(a1[2], true, 'Adds new item'); + +var a2 = new Sub(7); +assert.sameValue(a2.length, 7); + +var a3 = new Sub(); +assert.compareArray(a3, []); +assert.sameValue(a3.length, 0); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/shell.js diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/super-must-be-called.js new file mode 100644 index 0000000000..134c3a7702 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Array/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: 22.1.1 +description: Super need to be called to initialize internals +info: | + 22.1.1 The Array Constructor + + ... + + The Array 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 exotic Array behaviour must include a super call to the + Array constructor to initialize subclass instances that are exotic Array + objects. +---*/ + +class A extends Array { + constructor() {} +} + +assert.throws(ReferenceError, function() { + new A(); +}); + +class A2 extends Array { + constructor() { + super(); + } +} + +new A2(); + +reportCompare(0, 0); |