diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/ArrayBuffer/prototype/transferToFixedLength/from-resizable-to-same.js')
-rw-r--r-- | js/src/tests/test262/built-ins/ArrayBuffer/prototype/transferToFixedLength/from-resizable-to-same.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/transferToFixedLength/from-resizable-to-same.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/transferToFixedLength/from-resizable-to-same.js new file mode 100644 index 0000000000..3f3375ca43 --- /dev/null +++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/transferToFixedLength/from-resizable-to-same.js @@ -0,0 +1,38 @@ +// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- resizable-arraybuffer is not enabled unconditionally, requires shell-options +// Copyright (C) 2023 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-arraybuffer.prototype.transfertofixedlength +description: | + Transfering from a resizable ArrayBuffer into an ArrayBuffer with the same + byte length +features: [resizable-arraybuffer, arraybuffer-transfer] +---*/ + +var source = new ArrayBuffer(4, { maxByteLength: 8 }); + +var sourceArray = new Uint8Array(source); +sourceArray[0] = 1; +sourceArray[1] = 2; +sourceArray[2] = 3; +sourceArray[3] = 4; + +var dest = source.transferToFixedLength(); + +assert.sameValue(source.byteLength, 0, 'source.byteLength'); +assert.throws(TypeError, function() { + source.slice(); +}); + +assert.sameValue(dest.resizable, false, 'dest.resizable'); +assert.sameValue(dest.byteLength, 4, 'dest.byteLength'); +assert.sameValue(dest.maxByteLength, 4, 'dest.maxByteLength'); + +var destArray = new Uint8Array(dest); + +assert.sameValue(destArray[0], 1, 'destArray[0]'); +assert.sameValue(destArray[1], 2, 'destArray[1]'); +assert.sameValue(destArray[2], 3, 'destArray[2]'); +assert.sameValue(destArray[3], 4, 'destArray[3]'); + +reportCompare(0, 0); |