tyler.durden/test262
1
0
Fork 0
mirror of https://github.com/tc39/test262.git synced 2025-07-25 15:04:43 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add tests for generator intrinsic default proto (#636)

Browse Source
This commit is contained in:
jugglinmike 2016-05-19 12:54:49 -04:00 committed by Leo Balter
parent 9565f013ce
commit a0ddf7bfe4
2 changed files with 66 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
test/language/expressions/generators/default-proto.js Normal file
View File

@ -0,0 +1,33 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-generator-function-definitions-runtime-semantics-evaluatebody
es6id: 14.4.11
description: Intrinsic default prototype of GeneratorFunctions
info: |
1. Let G be ? OrdinaryCreateFromConstructor(functionObject,
"%GeneratorPrototype%", « [[GeneratorState]], [[GeneratorContext]] »).
[...]
9.1.13 OrdinaryCreateFromConstructor
[...]
2. Let proto be ? GetPrototypeFromConstructor(constructor,
intrinsicDefaultProto).
3. Return ObjectCreate(proto, internalSlotsList).
9.1.14 GetPrototypeFromConstructor
[...]
3. Let proto be ? Get(constructor, "prototype").
4. If Type(proto) is not Object, then
a. Let realm be ? GetFunctionRealm(constructor).
b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
[...]
---*/
var g = function*() {};
var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
g.prototype = null;
assert.sameValue(Object.getPrototypeOf(g()), GeneratorPrototype);

33
test/language/statements/generators/default-proto.js Normal file
View File

@ -0,0 +1,33 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-generator-function-definitions-runtime-semantics-evaluatebody
es6id: 14.4.11
description: Intrinsic default prototype of GeneratorFunctions
info: |
1. Let G be ? OrdinaryCreateFromConstructor(functionObject,
"%GeneratorPrototype%", « [[GeneratorState]], [[GeneratorContext]] »).
[...]
9.1.13 OrdinaryCreateFromConstructor
[...]
2. Let proto be ? GetPrototypeFromConstructor(constructor,
intrinsicDefaultProto).
3. Return ObjectCreate(proto, internalSlotsList).
9.1.14 GetPrototypeFromConstructor
[...]
3. Let proto be ? Get(constructor, "prototype").
4. If Type(proto) is not Object, then
a. Let realm be ? GetFunctionRealm(constructor).
b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
[...]
---*/
function* g() {}
var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
g.prototype = null;
assert.sameValue(Object.getPrototypeOf(g()), GeneratorPrototype);