tyler.durden
/
test262
mirror of https://github.com/tc39/test262.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Update Symbol.species tests for TypedArray constructor 

This updates tests in line with
https://github.com/tc39/ecma262/pull/2719
This commit is contained in:
Shu-yu Guo 2022-03-31 16:37:06 -07:00 committed by Rick Waldron
parent da507a703e
commit 51822ff2d8
37 changed files with 30 additions and 2040 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/detached-when-species-retrieved-different-type.js
View File

@ -1,61 +0,0 @@
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-typedarray
description: >
When a TypedArray is created from another TypedArray with a different element-type
and SpeciesConstructor detaches the source buffer, AllocateArrayBuffer is still
executed.
info: |
22.2.4.3 TypedArray ( typedArray )
...
16. If IsSharedArrayBuffer(srcData) is false, then
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
18. If SameValue(elementType, srcType) is true, then
...
19. Else,
a. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
b. If IsDetachedBuffer(srcData) is true, throw a TypeError exception.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
1. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%ArrayBufferPrototype%",
« [[ArrayBufferData]], [[ArrayBufferByteLength]] »).
...
includes: [testBigIntTypedArray.js, detachArrayBuffer.js]
features: [BigInt, TypedArray, Symbol.species]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var speciesCallCount = 0;
var bufferConstructor = Object.defineProperty({}, Symbol.species, {
get: function() {
speciesCallCount += 1;
$DETACHBUFFER(ta.buffer);
return speciesConstructor;
}
});
var prototypeCallCount = 0;
var speciesConstructor = Object.defineProperty(function(){}.bind(), "prototype", {
get: function() {
prototypeCallCount += 1;
return null;
}
});
var ta = new TA(0);
ta.buffer.constructor = bufferConstructor;
assert.throws(TypeError, function() {
var targetType = TA !== BigInt64Array ? BigInt64Array : BigUint64Array;
new targetType(ta);
}, "TypeError thrown for detached source buffer");
assert.sameValue(speciesCallCount, 1, "@@species getter called once");
assert.sameValue(prototypeCallCount, 1, "prototype getter called once");
});

64
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/detached-when-species-retrieved-same-type.js
View File

@ -1,64 +0,0 @@
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-typedarray
description: >
When a TypedArray is created from another TypedArray with the same element-type
and SpeciesConstructor detaches the source buffer, AllocateArrayBuffer is still
executed.
info: |
22.2.4.3 TypedArray ( typedArray )
...
16. If IsSharedArrayBuffer(srcData) is false, then
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
18. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset, byteLength, bufferConstructor).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset, srcLength, cloneConstructor )
...
3. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, srcLength).
4. If IsDetachedBuffer(srcBuffer) is true, throw a TypeError exception.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
1. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%ArrayBufferPrototype%",
« [[ArrayBufferData]], [[ArrayBufferByteLength]] »).
...
includes: [testBigIntTypedArray.js, detachArrayBuffer.js]
features: [BigInt, TypedArray, Symbol.species]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var speciesCallCount = 0;
var bufferConstructor = Object.defineProperty({}, Symbol.species, {
get: function() {
speciesCallCount += 1;
$DETACHBUFFER(ta.buffer);
return speciesConstructor;
}
});
var prototypeCallCount = 0;
var speciesConstructor = Object.defineProperty(function(){}.bind(), "prototype", {
get: function() {
prototypeCallCount += 1;
return null;
}
});
var ta = new TA(0);
ta.buffer.constructor = bufferConstructor;
assert.throws(TypeError, function() {
new TA(ta);
}, "TypeError thrown for detached source buffer");
assert.sameValue(speciesCallCount, 1, "@@species getter called once");
assert.sameValue(prototypeCallCount, 1, "prototype getter called once");
});

41
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/other-ctor-buffer-ctor-access-throws.js
View File

@ -1,41 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from getting typedArray argument's buffer.constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
includes: [testBigIntTypedArray.js]
features: [BigInt, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var OtherCtor = TA === BigInt64Array ? BigUint64Array : BigInt64Array;
var sample = new OtherCtor();
Object.defineProperty(sample.buffer, "constructor", {
get() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

58
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/other-ctor-buffer-ctor-custom-species-proto-from-ctor-realm.js
View File

@ -1,58 +0,0 @@
// 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-typedarray-typedarray
description: >
Derive the ArrayBuffer prototype from the realm of the species constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
b. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
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.
...
includes: [testBigIntTypedArray.js]
features: [BigInt, cross-realm, Symbol.species, TypedArray]
---*/
var sample1 = new BigInt64Array();
var sample2 = new BigUint64Array();
var other = $262.createRealm().global;
var C = new other.Function();
C.prototype = null;
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = TA === BigInt64Array ? sample2 : sample1;
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = C;
var typedArray = new TA(sample);
assert.sameValue(
Object.getPrototypeOf(typedArray.buffer), other.ArrayBuffer.prototype
);
});

52
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/other-ctor-buffer-ctor-custom-species.js
View File

@ -1,52 +0,0 @@
// 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-typedarray-typedarray
description: >
Use default ArrayBuffer constructor on undefined buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
b. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
var sample1 = new BigInt64Array();
var sample2 = new BigUint64Array();
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = TA === BigInt64Array ? sample2 : sample1;
var ctor = {};
var called = 0;
var custom = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function() {
called++;
};
ctor[Symbol.species].prototype = custom;
var typedArray = new TA(sample);
assert.sameValue(Object.getPrototypeOf(typedArray.buffer), custom);
assert.sameValue(called, 0);
});

61
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/other-ctor-buffer-ctor-not-object-throws.js
View File

@ -1,61 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from typedArray argument's buffer.constructor's value
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
4. If Type(C) is not Object, throw a TypeError exception.
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol, TypedArray]
---*/
var sample1 = new BigInt64Array();
var sample2 = new BigUint64Array();
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = TA === BigInt64Array ? sample2 : sample1;
sample.buffer.constructor = 1;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = true;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = "";
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = null;
assert.throws(TypeError, function() {
new TA(sample);
});
var s = Symbol("1");
sample.buffer.constructor = s;
assert.throws(TypeError, function() {
new TA(sample);
});
});

45
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/other-ctor-buffer-ctor-species-access-throws.js
View File

@ -1,45 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from getting typedArray argument's buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
var sample1 = new BigInt64Array();
var sample2 = new BigUint64Array();
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = TA === BigInt64Array ? sample2 : sample1;
var ctor = {};
sample.buffer.constructor = ctor;
Object.defineProperty(ctor, Symbol.species, {
get: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

47
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/other-ctor-buffer-ctor-species-not-ctor-throws.js
View File

@ -1,47 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
8. Throw a TypeError exception.
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
var sample1 = new BigInt64Array();
var sample2 = new BigUint64Array();
var ctor = function() {
throw new Test262Error();
};
var m = { m() {} }.m;
ctor[Symbol.species] = m;
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = TA === BigInt64Array ? sample2 : sample1;
sample.buffer.constructor = ctor;
assert.throws(TypeError, function() {
new TA(sample);
});
});

59
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/other-ctor-buffer-ctor-species-prototype-throws.js
View File

@ -1,59 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
b. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
...
1. Let obj be ? OrdinaryCreateFromConstructor(constructor,
"%ArrayBufferPrototype%", « [[ArrayBufferData]], [[ArrayBufferByteLength]] » )
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
var sample1 = new BigInt64Array();
var sample2 = new BigUint64Array();
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = TA === BigInt64Array ? sample2 : sample1;
var ctor = {};
var called = 0;
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function() {called++;}.bind(null);
Object.defineProperty(ctor[Symbol.species], "prototype", {
get: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
assert.sameValue(called, 0);
});

46
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/same-ctor-buffer-ctor-access-throws.js
View File

@ -1,46 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from getting typedArray argument's buffer.constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
includes: [testBigIntTypedArray.js]
features: [BigInt, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
Object.defineProperty(sample.buffer, "constructor", {
get: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

68
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/same-ctor-buffer-ctor-species-custom-proto-from-ctor-realm.js
View File

@ -1,68 +0,0 @@
// 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-typedarray-typedarray
description: >
Derive the ArrayBuffer prototype from the realm of the species constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
8. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, cloneLength).
...
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.
...
includes: [testBigIntTypedArray.js]
features: [BigInt, cross-realm, Symbol.species, TypedArray]
---*/
var other = $262.createRealm().global;
var C = new other.Function();
C.prototype = null;
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = C;
var typedArray = new TA(sample);
assert.sameValue(
Object.getPrototypeOf(typedArray.buffer), other.ArrayBuffer.prototype
);
});

60
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/same-ctor-buffer-ctor-species-custom.js
View File

@ -1,60 +0,0 @@
// 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-typedarray-typedarray
description: >
Use default ArrayBuffer constructor on undefined buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
8. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, cloneLength).
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
var called = 0;
var custom = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function() {
called++;
};
ctor[Symbol.species].prototype = custom;
var typedArray = new TA(sample);
assert.sameValue(Object.getPrototypeOf(typedArray.buffer), custom);
assert.sameValue(called, 0);
});

49
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/same-ctor-buffer-ctor-species-not-ctor.js
View File

@ -1,49 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
8. Throw a TypeError exception.
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
var m = { m() {} };
sample.buffer.constructor = ctor;
ctor[Symbol.species] = m;
assert.throws(TypeError, function() {
new TA(sample);
});
});

62
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/same-ctor-buffer-ctor-species-prototype-throws.js
View File

@ -1,62 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
8. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, cloneLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
...
1. Let obj be ? OrdinaryCreateFromConstructor(constructor,
"%ArrayBufferPrototype%", « [[ArrayBufferData]], [[ArrayBufferByteLength]] » )
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function(){}.bind(null);
Object.defineProperty(ctor[Symbol.species], "prototype", {
get() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

49
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/same-ctor-buffer-ctor-species-throws.js
View File

@ -1,49 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from getting typedArray argument's buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
sample.buffer.constructor = ctor;
Object.defineProperty(ctor, Symbol.species, {
get() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

65
test/built-ins/TypedArrayConstructors/ctors-bigint/typedarray-arg/same-ctor-buffer-ctor-value-not-obj-throws.js
View File

@ -1,65 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from typedArray argument's buffer.constructor's value
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
4. If Type(C) is not Object, throw a TypeError exception.
...
includes: [testBigIntTypedArray.js]
features: [BigInt, Symbol, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
sample.buffer.constructor = 1;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = true;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = '';
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = null;
assert.throws(TypeError, function() {
new TA(sample);
});
var s = Symbol('1');
sample.buffer.constructor = s;
assert.throws(TypeError, function() {
new TA(sample);
});
});

30
test/built-ins/TypedArrayConstructors/ctors/no-species.js Normal file
View File

@ -0,0 +1,30 @@
// Copyright (C) 2022 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Creating TypedArray from other TypedArrays doesn't look up Symbol.species.
features: [Symbol.species]
---*/
let throwOnGrossBufferConstruction = false;
class GrossBuffer extends ArrayBuffer {
constructor() {
super(...arguments);
if (throwOnGrossBufferConstruction) {
throw new Test262Error("unreachable");
}
}
static get [Symbol.species]() {
throw new Test262Error("unreachable");
}
}
let grossBuf = new GrossBuffer(1024);
throwOnGrossBufferConstruction = true;
let grossTA = new Uint8Array(grossBuf);
let mysteryTA = new Int8Array(grossTA);
assert.sameValue(mysteryTA.buffer.__proto__, ArrayBuffer.prototype);
assert.sameValue(mysteryTA.buffer.constructor, ArrayBuffer);

61
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/detached-when-species-retrieved-different-type.js
View File

@ -1,61 +0,0 @@
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-typedarray
description: >
When a TypedArray is created from another TypedArray with a different element-type
and SpeciesConstructor detaches the source buffer, AllocateArrayBuffer is still
executed.
info: |
22.2.4.3 TypedArray ( typedArray )
...
16. If IsSharedArrayBuffer(srcData) is false, then
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
18. If SameValue(elementType, srcType) is true, then
...
19. Else,
a. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
b. If IsDetachedBuffer(srcData) is true, throw a TypeError exception.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
1. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%ArrayBufferPrototype%",
« [[ArrayBufferData]], [[ArrayBufferByteLength]] »).
...
includes: [testTypedArray.js, detachArrayBuffer.js]
features: [TypedArray, Symbol.species]
---*/
testWithTypedArrayConstructors(function(TA) {
var speciesCallCount = 0;
var bufferConstructor = Object.defineProperty({}, Symbol.species, {
get: function() {
speciesCallCount += 1;
$DETACHBUFFER(ta.buffer);
return speciesConstructor;
}
});
var prototypeCallCount = 0;
var speciesConstructor = Object.defineProperty(function(){}.bind(), "prototype", {
get: function() {
prototypeCallCount += 1;
return null;
}
});
var ta = new TA(0);
ta.buffer.constructor = bufferConstructor;
assert.throws(TypeError, function() {
var targetType = TA !== Int32Array ? Int32Array : Uint32Array;
new targetType(ta);
}, "TypeError thrown for detached source buffer");
assert.sameValue(speciesCallCount, 1, "@@species getter called once");
assert.sameValue(prototypeCallCount, 1, "prototype getter called once");
});

64
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/detached-when-species-retrieved-same-type.js
View File

@ -1,64 +0,0 @@
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-typedarray
description: >
When a TypedArray is created from another TypedArray with the same element-type
and SpeciesConstructor detaches the source buffer, AllocateArrayBuffer is still
executed.
info: |
22.2.4.3 TypedArray ( typedArray )
...
16. If IsSharedArrayBuffer(srcData) is false, then
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
18. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset, byteLength, bufferConstructor).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset, srcLength, cloneConstructor )
...
3. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, srcLength).
4. If IsDetachedBuffer(srcBuffer) is true, throw a TypeError exception.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
1. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%ArrayBufferPrototype%",
« [[ArrayBufferData]], [[ArrayBufferByteLength]] »).
...
includes: [testTypedArray.js, detachArrayBuffer.js]
features: [TypedArray, Symbol.species]
---*/
testWithTypedArrayConstructors(function(TA) {
var speciesCallCount = 0;
var bufferConstructor = Object.defineProperty({}, Symbol.species, {
get: function() {
speciesCallCount += 1;
$DETACHBUFFER(ta.buffer);
return speciesConstructor;
}
});
var prototypeCallCount = 0;
var speciesConstructor = Object.defineProperty(function(){}.bind(), "prototype", {
get: function() {
prototypeCallCount += 1;
return null;
}
});
var ta = new TA(0);
ta.buffer.constructor = bufferConstructor;
assert.throws(TypeError, function() {
new TA(ta);
}, "TypeError thrown for detached source buffer");
assert.sameValue(speciesCallCount, 1, "@@species getter called once");
assert.sameValue(prototypeCallCount, 1, "prototype getter called once");
});

41
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-access-throws.js
View File

@ -1,41 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from getting typedArray argument's buffer.constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
includes: [testTypedArray.js]
features: [TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var OtherCtor = TA === Int8Array ? Int16Array : Int8Array;
var sample = new OtherCtor();
Object.defineProperty(sample.buffer, "constructor", {
get() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

59
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-custom-species-proto-from-ctor-realm.js
View File

@ -1,59 +0,0 @@
// 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-typedarray-typedarray
description: >
Derive the ArrayBuffer prototype from the realm of the species constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
b. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
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.
...
includes: [testTypedArray.js]
features: [cross-realm, Symbol.species, TypedArray]
---*/
var sample1 = new Int8Array();
var sample2 = new Int16Array();
var other = $262.createRealm().global;
var C = new other.Function();
C.prototype = null;
testWithTypedArrayConstructors(function(TA) {
var sample = TA === Int8Array ? sample2 : sample1;
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = C;
var typedArray = new TA(sample);
assert.sameValue(
Object.getPrototypeOf(typedArray.buffer), other.ArrayBuffer.prototype
);
});

52
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-custom-species.js
View File

@ -1,52 +0,0 @@
// 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-typedarray-typedarray
description: >
Use default ArrayBuffer constructor on undefined buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
b. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
var sample1 = new Int8Array();
var sample2 = new Int16Array();
testWithTypedArrayConstructors(function(TA) {
var sample = TA === Int8Array ? sample2 : sample1;
var ctor = {};
var called = 0;
var custom = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function() {
called++;
};
ctor[Symbol.species].prototype = custom;
var typedArray = new TA(sample);
assert.sameValue(Object.getPrototypeOf(typedArray.buffer), custom);
assert.sameValue(called, 0);
});

61
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-not-object-throws.js
View File

@ -1,61 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from typedArray argument's buffer.constructor's value
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
4. If Type(C) is not Object, throw a TypeError exception.
...
includes: [testTypedArray.js]
features: [Symbol, TypedArray]
---*/
var sample1 = new Int8Array();
var sample2 = new Int16Array();
testWithTypedArrayConstructors(function(TA) {
var sample = TA === Int8Array ? sample2 : sample1;
sample.buffer.constructor = 1;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = true;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = "";
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = null;
assert.throws(TypeError, function() {
new TA(sample);
});
var s = Symbol("1");
sample.buffer.constructor = s;
assert.throws(TypeError, function() {
new TA(sample);
});
});

45
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-species-access-throws.js
View File

@ -1,45 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from getting typedArray argument's buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
var sample1 = new Int8Array();
var sample2 = new Int16Array();
testWithTypedArrayConstructors(function(TA) {
var sample = TA === Int8Array ? sample2 : sample1;
var ctor = {};
sample.buffer.constructor = ctor;
Object.defineProperty(ctor, Symbol.species, {
get: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

47
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-species-not-ctor-throws.js
View File

@ -1,47 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
8. Throw a TypeError exception.
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
var sample1 = new Int8Array();
var sample2 = new Int16Array();
var ctor = function() {
throw new Test262Error();
};
var m = { m() {} }.m;
ctor[Symbol.species] = m;
testWithTypedArrayConstructors(function(TA) {
var sample = TA === Int8Array ? sample2 : sample1;
sample.buffer.constructor = ctor;
assert.throws(TypeError, function() {
new TA(sample);
});
});

44
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-species-null.js
View File

@ -1,44 +0,0 @@
// 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-typedarray-typedarray
description: >
Use default ArrayBuffer constructor on null buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var OtherCtor = TA === Int8Array ? Int16Array : Int8Array;
var sample = new OtherCtor();
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = null;
var typedArray = new TA(sample);
assert.sameValue(
Object.getPrototypeOf(typedArray.buffer),
ArrayBuffer.prototype,
"buffer ctor is not called when species is null"
);
});

59
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-species-prototype-throws.js
View File

@ -1,59 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
b. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
...
1. Let obj be ? OrdinaryCreateFromConstructor(constructor,
"%ArrayBufferPrototype%", « [[ArrayBufferData]], [[ArrayBufferByteLength]] » )
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
var sample1 = new Int8Array();
var sample2 = new Int16Array();
testWithTypedArrayConstructors(function(TA) {
var sample = TA === Int8Array ? sample2 : sample1;
var ctor = {};
var called = 0;
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function() {called++;}.bind(null);
Object.defineProperty(ctor[Symbol.species], "prototype", {
get: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
assert.sameValue(called, 0);
});

43
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-species-undefined.js
View File

@ -1,43 +0,0 @@
// 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-typedarray-typedarray
description: >
Use default ArrayBuffer constructor on undefined buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
18. Else,
a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var OtherCtor = TA === Int8Array ? Int16Array : Int8Array;
var sample = new OtherCtor();
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = undefined;
var a = new TA(sample);
assert.sameValue(
Object.getPrototypeOf(a.buffer),
ArrayBuffer.prototype,
"buffer ctor is not called when species is undefined"
);
});

89
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/out-of-bounds-when-species-retrieved-different-type.js
View File

@ -1,89 +0,0 @@
// Copyright (C) 2021 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-typedarray
description: >
Error when a TypedArray is created from another TypedArray with a different
element-type and SpeciesConstructor causes the "source" array to go
out-of-bounds.
includes: [testTypedArray.js, compareArray.js]
features: [TypedArray, Symbol.species, resizable-arraybuffer]
---*/
// If the host chooses to throw as allowed by the specification, the observed
// behavior will be identical to the case where `ArrayBuffer.prototype.resize`
// has not been implemented. The following assertion prevents this test from
// passing in runtimes which have not implemented the method.
assert.sameValue(typeof ArrayBuffer.prototype.resize, 'function');
testWithTypedArrayConstructors(function(TA) {
var BPE = TA.BYTES_PER_ELEMENT;
var TargetCtor = TA !== Int32Array ? Int32Array : Uint32Array;
var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5});
var speciesConstructor = Object.defineProperty(function(){}.bind(), 'prototype', {
get: function() {
return null;
}
});
var onGetSpecies;
ab.constructor = Object.defineProperty({}, Symbol.species, {
get: function() {
onGetSpecies();
return speciesConstructor;
}
});
var source = new TA(ab, BPE);
var expected = [10, 20, 30];
source[0] = 10;
source[1] = 20;
source[2] = 30;
onGetSpecies = function() {
try {
ab.resize(BPE * 5);
expected = [10, 20, 30, 0];
} catch (_) {}
};
assert(compareArray(new TargetCtor(source), expected), 'following grow');
onGetSpecies = function() {
try {
ab.resize(BPE * 3);
expected = [10, 20];
} catch (_) {}
};
assert(compareArray(new TargetCtor(source), expected), 'following shrink (within bounds)');
onGetSpecies = function() {
try {
ab.resize(BPE);
expected = [];
} catch (_) {}
};
assert(compareArray(new TargetCtor(source), expected), 'following shrink (on boundary)');
// `assert.throws` cannot be used in this case because the expected error
// is derived only after the constructor is invoked.
var expectedError;
var actualError;
onGetSpecies = function() {
try {
ab.resize(0);
expectedError = TypeError;
} catch (_) {
expectedError = Test262Error;
}
};
try {
new TargetCtor(source);
throw new Test262Error('the operation completed successfully');
} catch (caught) {
actualError = caught;
}
assert.sameValue(actualError.constructor, expectedError);
});

89
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/out-of-bounds-when-species-retrieved-same-type.js
View File

@ -1,89 +0,0 @@
// Copyright (C) 2021 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-typedarray
description: >
Error when a TypedArray is created from another TypedArray with the same
element-type and SpeciesConstructor causes the "source" array to go
out-of-bounds.
includes: [testTypedArray.js, compareArray.js]
features: [TypedArray, Symbol.species, resizable-arraybuffer]
---*/
// If the host chooses to throw as allowed by the specification, the observed
// behavior will be identical to the case where `ArrayBuffer.prototype.resize`
// has not been implemented. The following assertion prevents this test from
// passing in runtimes which have not implemented the method.
assert.sameValue(typeof ArrayBuffer.prototype.resize, 'function');
testWithTypedArrayConstructors(function(TA) {
var BPE = TA.BYTES_PER_ELEMENT;
var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5});
var speciesConstructor = Object.defineProperty(function(){}.bind(), 'prototype', {
get: function() {
return null;
}
});
var onGetSpecies;
ab.constructor = Object.defineProperty({}, Symbol.species, {
get: function() {
onGetSpecies();
return speciesConstructor;
}
});
var source = new TA(ab, BPE);
var expected = [10, 20, 30];
source[0] = 10;
source[1] = 20;
source[2] = 30;
onGetSpecies = function() {
try {
ab.resize(BPE * 5);
expected = [10, 20, 30, 0];
} catch (_) {}
};
assert.sameValue((new TA(source)).join(','), expected.join(','));
assert(compareArray(new TA(source), expected), 'following grow');
onGetSpecies = function() {
try {
ab.resize(BPE * 3);
expected = [10, 20];
} catch (_) {}
};
assert(compareArray(new TA(source), expected), 'following shrink (within bounds)');
onGetSpecies = function() {
try {
ab.resize(BPE);
expected = [];
} catch (_) {}
};
assert(compareArray(new TA(source), expected), 'following shrink (on boundary)');
// `assert.throws` cannot be used in this case because the expected error
// is derived only after the constructor is invoked.
var expectedError;
var actualError;
onGetSpecies = function() {
try {
ab.resize(0);
expectedError = TypeError;
} catch (_) {
expectedError = Test262Error;
}
};
try {
new TA(source);
throw new Test262Error('the operation completed successfully');
} catch (caught) {
actualError = caught;
}
assert.sameValue(actualError.constructor, expectedError);
});

46
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/same-ctor-buffer-ctor-access-throws.js
View File

@ -1,46 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from getting typedArray argument's buffer.constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
includes: [testTypedArray.js]
features: [TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA();
Object.defineProperty(sample.buffer, "constructor", {
get: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

68
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/same-ctor-buffer-ctor-species-custom-proto-from-ctor-realm.js
View File

@ -1,68 +0,0 @@
// 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-typedarray-typedarray
description: >
Derive the ArrayBuffer prototype from the realm of the species constructor
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
8. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, cloneLength).
...
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.
...
includes: [testTypedArray.js]
features: [cross-realm, Symbol.species, TypedArray]
---*/
var other = $262.createRealm().global;
var C = new other.Function();
C.prototype = null;
testWithTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = C;
var typedArray = new TA(sample);
assert.sameValue(
Object.getPrototypeOf(typedArray.buffer), other.ArrayBuffer.prototype
);
});

60
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/same-ctor-buffer-ctor-species-custom.js
View File

@ -1,60 +0,0 @@
// 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-typedarray-typedarray
description: >
Use default ArrayBuffer constructor on undefined buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
8. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, cloneLength).
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
var called = 0;
var custom = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function() {
called++;
};
ctor[Symbol.species].prototype = custom;
var typedArray = new TA(sample);
assert.sameValue(Object.getPrototypeOf(typedArray.buffer), custom);
assert.sameValue(called, 0);
});

49
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/same-ctor-buffer-ctor-species-not-ctor.js
View File

@ -1,49 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
8. Throw a TypeError exception.
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
var m = { m() {} };
sample.buffer.constructor = ctor;
ctor[Symbol.species] = m;
assert.throws(TypeError, function() {
new TA(sample);
});
});

62
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/same-ctor-buffer-ctor-species-prototype-throws.js
View File

@ -1,62 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from buffer.constructor.@@species.prototype
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
8. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, cloneLength).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
6. If S is either undefined or null, return defaultConstructor.
7. If IsConstructor(S) is true, return S.
...
24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )
...
1. Let obj be ? OrdinaryCreateFromConstructor(constructor,
"%ArrayBufferPrototype%", « [[ArrayBufferData]], [[ArrayBufferByteLength]] » )
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
sample.buffer.constructor = ctor;
ctor[Symbol.species] = function(){}.bind(null);
Object.defineProperty(ctor[Symbol.species], "prototype", {
get() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

49
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/same-ctor-buffer-ctor-species-throws.js
View File

@ -1,49 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt from getting typedArray argument's buffer.constructor.@@species
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
5. Let S be ? Get(C, @@species).
...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA();
var ctor = {};
sample.buffer.constructor = ctor;
Object.defineProperty(ctor, Symbol.species, {
get() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
new TA(sample);
});
});

65
test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/same-ctor-buffer-ctor-value-not-obj-throws.js
View File

@ -1,65 +0,0 @@
// 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-typedarray-typedarray
description: >
Return abrupt completion from typedArray argument's buffer.constructor's value
info: |
22.2.4.3 TypedArray ( typedArray )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is Object and that
object has a [[TypedArrayName]] internal slot.
...
17. If SameValue(elementType, srcType) is true, then
a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
...
24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
...
2. If cloneConstructor is not present, then
a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
...
7.3.20 SpeciesConstructor ( O, defaultConstructor )
...
2. Let C be ? Get(O, "constructor").
...
4. If Type(C) is not Object, throw a TypeError exception.
...
includes: [testTypedArray.js]
features: [Symbol, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA();
sample.buffer.constructor = 1;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = true;
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = '';
assert.throws(TypeError, function() {
new TA(sample);
});
sample.buffer.constructor = null;
assert.throws(TypeError, function() {
new TA(sample);
});
var s = Symbol('1');
sample.buffer.constructor = s;
assert.throws(TypeError, function() {
new TA(sample);
});
});