mirror of https://github.com/tc39/test262.git
Test valid descriptor & invalid index
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test/built-ins/TypedArrayConstructors/internals/DefineOwnProperty
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// Copyright (C) 2021 Alexey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-integer-indexed-exotic-objects-defineownproperty-p-desc
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description: >
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Throws TypeError for valid descriptor & canonical numeric string that is invalid index.
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info: |
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[[DefineOwnProperty]] ( P, Desc )
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[...]
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3. If Type(P) is String, then
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a. Let numericIndex be ! CanonicalNumericIndexString(P).
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b. If numericIndex is not undefined, then
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i. If ! IsValidIntegerIndex(O, numericIndex) is false, return false.
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IsValidIntegerIndex ( O, index )
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[...]
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3. If ! IsIntegralNumber(index) is false, return false.
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4. If index is -0𝔽, return false.
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5. If ℝ(index) < 0 or ℝ(index) ≥ O.[[ArrayLength]], return false.
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includes: [testBigIntTypedArray.js]
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features: [align-detached-buffer-semantics-with-web-reality, BigInt, TypedArray]
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---*/
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testWithBigIntTypedArrayConstructors(function(TA) {
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var sample = new TA([0n]);
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var desc = Object.getOwnPropertyDescriptor(sample, "0");
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "1", desc);
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});
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "-1", desc);
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});
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "1.5", desc);
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});
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "-0", desc);
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});
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});
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// Copyright (C) 2021 Alexey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-integer-indexed-exotic-objects-defineownproperty-p-desc
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description: >
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Throws TypeError for valid descriptor & canonical numeric string that is invalid index.
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info: |
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[[DefineOwnProperty]] ( P, Desc )
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[...]
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3. If Type(P) is String, then
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a. Let numericIndex be ! CanonicalNumericIndexString(P).
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b. If numericIndex is not undefined, then
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i. If ! IsValidIntegerIndex(O, numericIndex) is false, return false.
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IsValidIntegerIndex ( O, index )
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[...]
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3. If ! IsIntegralNumber(index) is false, return false.
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4. If index is -0𝔽, return false.
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5. If ℝ(index) < 0 or ℝ(index) ≥ O.[[ArrayLength]], return false.
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includes: [testTypedArray.js]
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features: [align-detached-buffer-semantics-with-web-reality, TypedArray]
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---*/
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testWithTypedArrayConstructors(function(TA) {
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var sample = new TA([0]);
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var desc = Object.getOwnPropertyDescriptor(sample, "0");
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "1", desc);
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});
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "-1", desc);
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});
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "1.5", desc);
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});
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assert.throws(TypeError, function() {
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Object.defineProperty(sample, "-0", desc);
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});
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});
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