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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/return-abrupt-from-this-out-of-bounds.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/return-abrupt-from-this-out-of-bounds.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/return-abrupt-from-this-out-of-bounds.js b/js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/return-abrupt-from-this-out-of-bounds.js new file mode 100644 index 0000000000..2025d13dd8 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/return-abrupt-from-this-out-of-bounds.js @@ -0,0 +1,62 @@ +// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- resizable-arraybuffer is not enabled unconditionally, requires shell-options +// 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%.prototype.find +description: Return abrupt when "this" value fails buffer boundary checks +includes: [testBigIntTypedArray.js] +features: [ArrayBuffer, BigInt, TypedArray, arrow-function, resizable-arraybuffer] +---*/ + +assert.sameValue( + typeof TypedArray.prototype.find, + 'function', + 'implements TypedArray.prototype.find' +); + +assert.sameValue( + typeof ArrayBuffer.prototype.resize, + 'function', + 'implements ArrayBuffer.prototype.resize' +); + +testWithBigIntTypedArrayConstructors(TA => { + var BPE = TA.BYTES_PER_ELEMENT; + var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5}); + var array = new TA(ab, BPE, 2); + + try { + ab.resize(BPE * 5); + } catch (_) {} + + // no error following grow: + array.find(() => {}); + + try { + ab.resize(BPE * 3); + } catch (_) {} + + // no error following shrink (within bounds): + array.find(() => {}); + + var expectedError; + try { + ab.resize(BPE * 2); + // If the preceding "resize" operation is successful, the typed array will + // be out out of bounds, so the subsequent prototype method should produce + // a TypeError due to the semantics of ValidateTypedArray. + expectedError = TypeError; + } catch (_) { + // The host is permitted to fail any "resize" operation at its own + // discretion. If that occurs, the find operation should complete + // successfully. + expectedError = Test262Error; + } + + assert.throws(expectedError, () => { + array.find(() => {}); + throw new Test262Error('find completed successfully'); + }); +}); + +reportCompare(0, 0); |