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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/TypedArray/slice-validation.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/TypedArray/slice-validation.js | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/slice-validation.js b/js/src/tests/non262/TypedArray/slice-validation.js new file mode 100644 index 0000000000..28d50e36f4 --- /dev/null +++ b/js/src/tests/non262/TypedArray/slice-validation.js @@ -0,0 +1,194 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// Summary: Ensure typed array validation is called for TypedArray.prototype.slice. + +const otherGlobal = newGlobal({newCompartment: true}); +const typedArrayLengths = [0, 1, 1024]; + +// Note: slice uses CallTypedArrayMethodIfWrapped, which results in throwing +// a TypeError from the wrong Realm if cross-compartment. The browser +// runner doesn't support the "newCompartment" option, so it can't create +// cross-compartment globals, which means it throws the error from the +// correct Realm. +const eitherGlobalTypeError = { + [Symbol.hasInstance](obj) { + return obj instanceof TypeError || obj instanceof otherGlobal.TypeError; + } +}; + +function createTestCases(TAConstructor, constructor, constructorCrossRealm) { + let testCases = []; + testCases.push({ + species: constructor, + method: TAConstructor.prototype.slice, + error: TypeError, + }); + testCases.push({ + species: constructorCrossRealm, + method: TAConstructor.prototype.slice, + error: TypeError, + }); + testCases.push({ + species: constructor, + method: otherGlobal[TAConstructor.name].prototype.slice, + error: eitherGlobalTypeError, + }); + return testCases; +} + +// Throws TypeError when the returned value is not a typed array. +for (const TAConstructor of anyTypedArrayConstructors) { + let callCount = 0, expectedCallCount = 0; + function NoTypedArrayConstructor(...args) { + let a = []; + callCount += 1; + return a; + } + function NoTypedArrayConstructorCrossRealm(...args) { + let a = new otherGlobal.Array(); + callCount += 1; + return a; + } + let testCases = createTestCases(TAConstructor, NoTypedArrayConstructor, NoTypedArrayConstructorCrossRealm); + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + assertThrowsInstanceOf(() => method.call(ta, 0), error); + assertEq(callCount, ++expectedCallCount); + } + } + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + assertThrowsInstanceOf(() => method.call(ta, 0, 0), error); + assertEq(callCount, ++expectedCallCount); + } + } +} + +// Throws TypeError exception when returned array is too small. +for (const TAConstructor of anyTypedArrayConstructors) { + let callCount = 0, expectedCallCount = 0; + function TooSmallConstructor(length) { + let a = new TAConstructor(Math.max(length - 1, 0)); + callCount += 1; + return a; + } + function TooSmallConstructorCrossRealm(length) { + let a = new otherGlobal[TAConstructor.name](Math.max(length - 1, 0)); + callCount += 1; + return a; + } + let testCases = createTestCases(TAConstructor, TooSmallConstructor, TooSmallConstructorCrossRealm); + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + + // Passes when the length is zero. + if (length === 0) { + let result = method.call(ta, 0); + assertEq(result.length, 0); + } else { + assertThrowsInstanceOf(() => method.call(ta, 0), error); + } + assertEq(callCount, ++expectedCallCount); + } + } + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + let result = method.call(ta, 0, 0); + assertEq(result.length, 0); + assertEq(callCount, ++expectedCallCount); + } + } +} + +// No exception when array is larger than requested. +for (const TAConstructor of anyTypedArrayConstructors) { + const extraLength = 1; + + let callCount = 0, expectedCallCount = 0; + function TooLargeConstructor(length) { + let a = new TAConstructor(length + extraLength); + callCount += 1; + return a; + } + function TooLargeConstructorCrossRealm(length) { + let a = new otherGlobal[TAConstructor.name](length + extraLength); + callCount += 1; + return a; + } + let testCases = createTestCases(TAConstructor, TooLargeConstructor, TooLargeConstructorCrossRealm); + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + let result = method.call(ta, 0); + assertEq(result.length, length + extraLength); + assertEq(callCount, ++expectedCallCount); + } + } + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + let result = method.call(ta, 0, 0); + assertEq(result.length, extraLength); + assertEq(callCount, ++expectedCallCount); + } + } +} + +// Throws TypeError exception when returned array is detached. +if (typeof detachArrayBuffer === "function") { + for (const TAConstructor of typedArrayConstructors) { + let callCount = 0, expectedCallCount = 0; + function DetachConstructor(...args) { + let a = new TAConstructor(...args); + detachArrayBuffer(a.buffer); + callCount += 1; + return a; + } + function DetachConstructorCrossRealm(...args) { + let a = new otherGlobal[TAConstructor.name](...args); + otherGlobal.detachArrayBuffer(a.buffer); + callCount += 1; + return a; + } + let testCases = createTestCases(TAConstructor, DetachConstructor, DetachConstructorCrossRealm); + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + assertThrowsInstanceOf(() => method.call(ta, 0), error); + assertEq(callCount, ++expectedCallCount); + } + } + + for (let {species, method, error} of testCases) { + for (let length of typedArrayLengths) { + let ta = new TAConstructor(length); + ta.constructor = {[Symbol.species]: species}; + assertThrowsInstanceOf(() => method.call(ta, 0, 0), error); + assertEq(callCount, ++expectedCallCount); + } + } + } +} + +if (typeof reportCompare === "function") + reportCompare(0, 0); |