Symbol.species tests

Initial tests for property existence
move getter name test to builtin-getter-name
initial cut at extends test
incorporate line notes, thanks @anba
This commit is contained in:
smikes 2015-02-19 19:41:55 -07:00
parent ba3be4a575
commit e1f3ffce2c
9 changed files with 173 additions and 0 deletions

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
ES6 spec 'get [Symbol.species]'
es6id: 21.2.4.2, 22.1.2.5, 22.2.2.4, 23.1.2.2, 23.2.2.2
author: Sam Mikes
description: Symbol.species getters have defined names
includes:
- propertyHelper.js
---*/
function getGetterName(obj, name) {
var getter = Object.getOwnPropertyDescriptor(obj, Symbol.species).get;
return getter && getter.name;
}
assert.sameValue(getGetterName(Array, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(Map, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(Promise, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(RegExp, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(Set, Symbol.species), "get [Symbol.species]");

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
Symbol.species is a well-known symbol
es6id: 19.4.2.10
author: Sam Mikes
description: Symbol.species exists
includes:
- propertyHelper.js
---*/
assert(Symbol !== undefined, "Symbol exists");
assert(Symbol.species !== undefined, "Symbol.species exists");
verifyNotWritable(Symbol, "species");
verifyNotEnumerable(Symbol, "species");
verifyNotConfigurable(Symbol, "species");

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
Array has a property at `Symbol.species`
es6id: 22.1.2.5
author: Sam Mikes
description: Array[Symbol.species] exists per spec
includes:
- propertyHelper.js
---*/
assert.sameValue(Array[Symbol.species], Array, "Array[Symbol.species] is Array");
verifyNotWritable(Array, Symbol.species, Symbol.species);
verifyNotEnumerable(Array, Symbol.species);
verifyConfigurable(Array, Symbol.species);

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
ArrayBuffer has a property at `Symbol.species`
es6id: 24.1.3.3
author: Sam Mikes
description: ArrayBuffer[Symbol.species] exists per spec
features: [ ArrayBuffer, Symbol.species ]
includes:
- propertyHelper.js
---*/
assert.sameValue(ArrayBuffer[Symbol.species], ArrayBuffer, "ArrayBuffer[Symbol.species] is ArrayBuffer");
assert.sameValue(Object.getOwnPropertyDescriptor(ArrayBuffer, Symbol.species).get.name,
"get [Symbol.species]");
verifyNotWritable(ArrayBuffer, Symbol.species, Symbol.species);
verifyNotEnumerable(ArrayBuffer, Symbol.species);
verifyConfigurable(ArrayBuffer, Symbol.species);

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
Map has a property at `Symbol.species`
es6id: 23.1.2.2
author: Sam Mikes
description: Map[Symbol.species] exists per spec
includes:
- propertyHelper.js
---*/
assert.sameValue(Map[Symbol.species], Map, "Map[Symbol.species] is Map");
verifyNotWritable(Map, Symbol.species, Symbol.species);
verifyNotEnumerable(Map, Symbol.species);
verifyConfigurable(Map, Symbol.species);

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
Promise has a property at `Symbol.species`
es6id: 6.1.5.1
author: Sam Mikes
description: Promise[Symbol.species] exists per spec
includes:
- propertyHelper.js
---*/
assert.sameValue(Promise[Symbol.species], Promise, "Promise[Symbol.species] is Promise");
verifyNotWritable(Promise, Symbol.species, Symbol.species);
verifyNotEnumerable(Promise, Symbol.species);
verifyConfigurable(Promise, Symbol.species);

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
RegExp has a property at `Symbol.species`
es6id: 21.2.4.2
author: Sam Mikes
description: RegExp[Symbol.species] exists per spec
includes:
- propertyHelper.js
---*/
assert.sameValue(RegExp[Symbol.species], RegExp, "RegExp[Symbol.species] is RegExp");
verifyNotWritable(RegExp, Symbol.species, Symbol.species);
verifyNotEnumerable(RegExp, Symbol.species);
verifyConfigurable(RegExp, Symbol.species);

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
Set has a property at `Symbol.species`
es6id: 23.2.2.2
author: Sam Mikes
description: Set[Symbol.species] exists per spec
includes:
- propertyHelper.js
---*/
assert.sameValue(Set[Symbol.species], Set, "Set[Symbol.species] is Set");
verifyNotWritable(Set, Symbol.species, Symbol.species);
verifyNotEnumerable(Set, Symbol.species);
verifyConfigurable(Set, Symbol.species);

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// Copyright 2015 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
info: >
Symbol.species is retained on subclassing
es6id:
author: Sam Mikes
description: Symbol.species is retained on subclassing
includes:
- propertyHelper.js
---*/
class MyRegExp extends RegExp {
};
assert.sameValue(MyRegExp[Symbol.species], MyRegExp);