diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/length')
19 files changed, 593 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/browser.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/browser.js diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/detached-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/detached-buffer.js new file mode 100644 index 0000000000..7b2a54ab7f --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/detached-buffer.js @@ -0,0 +1,23 @@ +// 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-get-%typedarray%.prototype.length +description: Returns 0 if the instance has a detached buffer +info: | + 22.2.3.18 get %TypedArray%.prototype.length + + ... + 5. Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot. + 6. If IsDetachedBuffer(buffer) is true, return 0. + ... +includes: [testBigIntTypedArray.js, detachArrayBuffer.js] +features: [BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA(42); + $DETACHBUFFER(sample.buffer); + assert.sameValue(sample.length, 0); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/resizable-array-buffer-auto.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/resizable-array-buffer-auto.js new file mode 100644 index 0000000000..54aa11b805 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/resizable-array-buffer-auto.js @@ -0,0 +1,56 @@ +// |reftest| skip -- resizable-arraybuffer is not supported +// 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-get-%typedarray%.prototype.length +description: | + reset to 0 if the underlying ArrayBuffer is resized beyond the boundary of + the dynamically-sized TypedArray instance +includes: [testBigIntTypedArray.js] +features: [ArrayBuffer, BigInt, TypedArray, 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"); + +testWithBigIntTypedArrayConstructors(function(TA) { + var BPE = TA.BYTES_PER_ELEMENT; + var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5}); + var array = new TA(ab, BPE); + var expected = 3; + + assert.sameValue(array.length, expected, "initial value"); + + try { + ab.resize(BPE * 5); + expected = 4; + } catch (_) {} + + assert.sameValue(array.length, expected, "following grow"); + + try { + ab.resize(BPE * 3); + expected = 2; + } catch (_) {} + + assert.sameValue(array.length, expected, "following shrink (within bounds)"); + + try { + ab.resize(BPE); + expected = 0; + } catch (_) {} + + assert.sameValue(array.length, expected, "following shrink (on boundary)"); + + try { + ab.resize(0); + expected = 0; + } catch (_) {} + + assert.sameValue(array.length, expected, "following shrink (out of bounds)"); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/resizable-array-buffer-fixed.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/resizable-array-buffer-fixed.js new file mode 100644 index 0000000000..0aada8a10b --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/resizable-array-buffer-fixed.js @@ -0,0 +1,49 @@ +// |reftest| skip -- resizable-arraybuffer is not supported +// 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-get-%typedarray%.prototype.length +description: | + reset to 0 if the underlying ArrayBuffer is resized beyond the boundary of + the fixed-sized TypedArray instance +includes: [testBigIntTypedArray.js] +features: [ArrayBuffer, BigInt, TypedArray, 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"); + +testWithBigIntTypedArrayConstructors(function(TA) { + var BPE = TA.BYTES_PER_ELEMENT; + var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5}); + var array = new TA(ab, BPE, 2); + + assert.sameValue(array.length, 2, "initial value"); + + try { + ab.resize(BPE * 5); + } catch (_) {} + + assert.sameValue(array.length, 2, "following grow"); + + try { + ab.resize(BPE * 3); + } catch (_) {} + + assert.sameValue(array.length, 2, "following shrink (within bounds)"); + + var expected; + try { + ab.resize(BPE * 2); + expected = 0; + } catch (_) { + expected = 2; + } + + assert.sameValue(array.length, expected, "following shrink (out of bounds)"); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/return-length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/return-length.js new file mode 100644 index 0000000000..23ef34454f --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/return-length.js @@ -0,0 +1,30 @@ +// 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-get-%typedarray%.prototype.length +description: > + Return value from the [[ArrayLength]] internal slot +info: | + 22.2.3.18 get %TypedArray%.prototype.length + + ... + 6. Let length be the value of O's [[ArrayLength]] internal slot. + 7. Return length. + + --- + + The current tests on `prop-desc.js` and `length.js` already assert `length` is + not a dynamic property as in regular arrays. +includes: [testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var ta1 = new TA(); + assert.sameValue(ta1.length, 0); + + var ta2 = new TA(42); + assert.sameValue(ta2.length, 42); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/shell.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/shell.js new file mode 100644 index 0000000000..90ee9c114d --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/BigInt/shell.js @@ -0,0 +1,42 @@ +// GENERATED, DO NOT EDIT +// file: testBigIntTypedArray.js +// Copyright (C) 2015 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Collection of functions used to assert the correctness of BigInt TypedArray objects. +defines: + - TypedArray + - testWithBigIntTypedArrayConstructors +---*/ + +/** + * The %TypedArray% intrinsic constructor function. + */ +var TypedArray = Object.getPrototypeOf(Int8Array); + +/** + * Calls the provided function for every typed array constructor. + * + * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor. + * @param {Array} selected - An optional Array with filtered typed arrays + */ +function testWithBigIntTypedArrayConstructors(f, selected) { + /** + * Array containing every BigInt typed array constructor. + */ + var constructors = selected || [ + BigInt64Array, + BigUint64Array + ]; + + for (var i = 0; i < constructors.length; ++i) { + var constructor = constructors[i]; + try { + f(constructor); + } catch (e) { + e.message += " (Testing with " + constructor.name + ".)"; + throw e; + } + } +} diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/browser.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/browser.js diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/detached-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/detached-buffer.js new file mode 100644 index 0000000000..4f34f05a30 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/detached-buffer.js @@ -0,0 +1,23 @@ +// 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-get-%typedarray%.prototype.length +description: Returns 0 if the instance has a detached buffer +info: | + 22.2.3.18 get %TypedArray%.prototype.length + + ... + 5. Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot. + 6. If IsDetachedBuffer(buffer) is true, return 0. + ... +includes: [testTypedArray.js, detachArrayBuffer.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(42); + $DETACHBUFFER(sample.buffer); + assert.sameValue(sample.length, 0); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/invoked-as-accessor.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/invoked-as-accessor.js new file mode 100644 index 0000000000..b1856a3872 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/invoked-as-accessor.js @@ -0,0 +1,25 @@ +// 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-get-%typedarray%.prototype.length +description: > + Requires this value to have a [[ViewedArrayBuffer]] internal slot +info: | + 22.2.3.17 get %TypedArray%.prototype.length + + 1. Let O be the this value. + ... + 3. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError + exception. + ... +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +var TypedArrayPrototype = TypedArray.prototype; + +assert.throws(TypeError, function() { + TypedArrayPrototype.length; +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/invoked-as-func.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/invoked-as-func.js new file mode 100644 index 0000000000..73bfed75a1 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/invoked-as-func.js @@ -0,0 +1,25 @@ +// 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-get-%typedarray%.prototype.length +description: Throws a TypeError exception when invoked as a function +info: | + 22.2.3.17 get %TypedArray%.prototype.length + + 1. Let O be the this value. + 2. If Type(O) is not Object, throw a TypeError exception. + ... +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +var TypedArrayPrototype = TypedArray.prototype; +var getter = Object.getOwnPropertyDescriptor( + TypedArrayPrototype, 'length' +).get; + +assert.throws(TypeError, function() { + getter(); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/length.js new file mode 100644 index 0000000000..bb6d86ba78 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/length.js @@ -0,0 +1,34 @@ +// Copyright (C) 2015 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-get-%typedarray%.prototype.length +description: > + get %TypedArray%.prototype.length.length is 0. +info: | + get %TypedArray%.prototype.length + + 17 ECMAScript Standard Built-in Objects: + Every built-in Function object, including constructors, has a length + property whose value is an integer. Unless otherwise specified, this + value is equal to the largest number of named arguments shown in the + subclause headings for the function description, including optional + parameters. However, rest parameters shown using the form “...name” + are not included in the default argument count. + + Unless otherwise specified, the length property of a built-in Function + object has the attributes { [[Writable]]: false, [[Enumerable]]: false, + [[Configurable]]: true }. +includes: [propertyHelper.js, testTypedArray.js] +features: [TypedArray] +---*/ + +var desc = Object.getOwnPropertyDescriptor(TypedArray.prototype, "length"); + +assert.sameValue(desc.get.length, 0); + +verifyNotEnumerable(desc.get, "length"); +verifyNotWritable(desc.get, "length"); +verifyConfigurable(desc.get, "length"); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/name.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/name.js new file mode 100644 index 0000000000..d5ff3cfc37 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/name.js @@ -0,0 +1,31 @@ +// Copyright (C) 2015 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-get-%typedarray%.prototype.length +description: > + get %TypedArray%.prototype.length.name is "get length". +info: | + get %TypedArray%.prototype.length + + 17 ECMAScript Standard Built-in Objects: + Every built-in Function object, including constructors, that is not + identified as an anonymous function has a name property whose value + is a String. + + Unless otherwise specified, the name property of a built-in Function + object, if it exists, has the attributes { [[Writable]]: false, + [[Enumerable]]: false, [[Configurable]]: true }. +includes: [propertyHelper.js, testTypedArray.js] +features: [TypedArray] +---*/ + +var desc = Object.getOwnPropertyDescriptor(TypedArray.prototype, "length"); + +assert.sameValue(desc.get.name, "get length"); + +verifyNotEnumerable(desc.get, "name"); +verifyNotWritable(desc.get, "name"); +verifyConfigurable(desc.get, "name"); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/prop-desc.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/prop-desc.js new file mode 100644 index 0000000000..4dd62e29bc --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/prop-desc.js @@ -0,0 +1,26 @@ +// 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-get-%typedarray%.prototype.length +description: > + "length" property of TypedArrayPrototype +info: | + %TypedArray%.prototype.length is an accessor property whose set accessor + function is undefined. + + Section 17: Every accessor property described in clauses 18 through 26 and in + Annex B.2 has the attributes {[[Enumerable]]: false, [[Configurable]]: true } +includes: [propertyHelper.js, testTypedArray.js] +features: [TypedArray] +---*/ + +var TypedArrayPrototype = TypedArray.prototype; +var desc = Object.getOwnPropertyDescriptor(TypedArrayPrototype, "length"); + +assert.sameValue(desc.set, undefined); +assert.sameValue(typeof desc.get, "function"); + +verifyNotEnumerable(TypedArrayPrototype, "length"); +verifyConfigurable(TypedArrayPrototype, "length"); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/resizable-array-buffer-auto.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/resizable-array-buffer-auto.js new file mode 100644 index 0000000000..919ea0da40 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/resizable-array-buffer-auto.js @@ -0,0 +1,56 @@ +// |reftest| skip -- resizable-arraybuffer is not supported +// 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-get-%typedarray%.prototype.length +description: | + reset to 0 if the underlying ArrayBuffer is resized beyond the boundary of + the dynamically-sized TypedArray instance +includes: [testTypedArray.js] +features: [TypedArray, 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 array = new TA(ab, BPE); + var expected = 3; + + assert.sameValue(array.length, expected, "initial value"); + + try { + ab.resize(BPE * 5); + expected = 4; + } catch (_) {} + + assert.sameValue(array.length, expected, "following grow"); + + try { + ab.resize(BPE * 3); + expected = 2; + } catch (_) {} + + assert.sameValue(array.length, expected, "following shrink (within bounds)"); + + try { + ab.resize(BPE); + expected = 0; + } catch (_) {} + + assert.sameValue(array.length, expected, "following shrink (on boundary)"); + + try { + ab.resize(0); + expected = 0; + } catch (_) {} + + assert.sameValue(array.length, expected, "following shrink (out of bounds)"); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/resizable-array-buffer-fixed.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/resizable-array-buffer-fixed.js new file mode 100644 index 0000000000..ebb2f32bbf --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/resizable-array-buffer-fixed.js @@ -0,0 +1,49 @@ +// |reftest| skip -- resizable-arraybuffer is not supported +// 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-get-%typedarray%.prototype.length +description: | + reset to 0 if the underlying ArrayBuffer is resized beyond the boundary of + the fixed-sized TypedArray instance +includes: [testTypedArray.js] +features: [TypedArray, 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 array = new TA(ab, BPE, 2); + + assert.sameValue(array.length, 2, "initial value"); + + try { + ab.resize(BPE * 5); + } catch (_) {} + + assert.sameValue(array.length, 2, "following grow"); + + try { + ab.resize(BPE * 3); + } catch (_) {} + + assert.sameValue(array.length, 2, "following shrink (within bounds)"); + + var expected; + try { + ab.resize(BPE * 2); + expected = 0; + } catch (_) { + expected = 2; + } + + assert.sameValue(array.length, expected, "following shrink (out of bounds)"); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/return-length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/return-length.js new file mode 100644 index 0000000000..56c987fdf3 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/return-length.js @@ -0,0 +1,30 @@ +// 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-get-%typedarray%.prototype.length +description: > + Return value from the [[ArrayLength]] internal slot +info: | + 22.2.3.18 get %TypedArray%.prototype.length + + ... + 6. Let length be the value of O's [[ArrayLength]] internal slot. + 7. Return length. + + --- + + The current tests on `prop-desc.js` and `length.js` already assert `length` is + not a dynamic property as in regular arrays. +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var ta1 = new TA(); + assert.sameValue(ta1.length, 0); + + var ta2 = new TA(42); + assert.sameValue(ta2.length, 42); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/shell.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/shell.js diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/this-has-no-typedarrayname-internal.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/this-has-no-typedarrayname-internal.js new file mode 100644 index 0000000000..25effb5786 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/this-has-no-typedarrayname-internal.js @@ -0,0 +1,43 @@ +// 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-get-%typedarray%.prototype.length +description: > + Throws a TypeError exception when `this` does not have a [[TypedArrayName]] + internal slot +info: | + 22.2.3.18 get %TypedArray%.prototype.length + + 1. Let O be the this value. + 2. If Type(O) is not Object, throw a TypeError exception. + 3. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError + exception. + ... +includes: [testTypedArray.js] +features: [DataView, TypedArray] +---*/ + +var TypedArrayPrototype = TypedArray.prototype; +var getter = Object.getOwnPropertyDescriptor( + TypedArrayPrototype, "length" +).get; + +assert.throws(TypeError, function() { + getter.call({}); +}); + +assert.throws(TypeError, function() { + getter.call([]); +}); + +var ab = new ArrayBuffer(8); +assert.throws(TypeError, function() { + getter.call(ab); +}); + +var dv = new DataView(new ArrayBuffer(8), 0); +assert.throws(TypeError, function() { + getter.call(dv); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/length/this-is-not-object.js b/js/src/tests/test262/built-ins/TypedArray/prototype/length/this-is-not-object.js new file mode 100644 index 0000000000..56d3e96207 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/length/this-is-not-object.js @@ -0,0 +1,51 @@ +// 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-get-%typedarray%.prototype.length +description: Throws a TypeError exception when `this` is not Object +info: | + 22.2.3.18 get %TypedArray%.prototype.length + + 1. Let O be the this value. + 2. If Type(O) is not Object, throw a TypeError exception. + ... +includes: [testTypedArray.js] +features: [Symbol, TypedArray] +---*/ + +var TypedArrayPrototype = TypedArray.prototype; +var getter = Object.getOwnPropertyDescriptor( + TypedArrayPrototype, "length" +).get; + + +assert.throws(TypeError, function() { + getter.call(undefined); +}, "undefined"); + +assert.throws(TypeError, function() { + getter.call(null); +}, "null"); + +assert.throws(TypeError, function() { + getter.call(42); +}, "number"); + +assert.throws(TypeError, function() { + getter.call("1"); +}, "string"); + +assert.throws(TypeError, function() { + getter.call(true); +}, "true"); + +assert.throws(TypeError, function() { + getter.call(false); +}, "false"); + +var s = Symbol("s"); +assert.throws(TypeError, function() { + getter.call(s); +}, "symbol"); + +reportCompare(0, 0); |