diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/ArrayBuffer/prototype/maxByteLength/return-maxbytelength-resizable.js')
-rw-r--r-- | js/src/tests/test262/built-ins/ArrayBuffer/prototype/maxByteLength/return-maxbytelength-resizable.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/maxByteLength/return-maxbytelength-resizable.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/maxByteLength/return-maxbytelength-resizable.js new file mode 100644 index 0000000000..75f4988d51 --- /dev/null +++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/maxByteLength/return-maxbytelength-resizable.js @@ -0,0 +1,31 @@ +// |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-get-arraybuffer.prototype.maxbytelength +description: Return value from [[ArrayBufferMaxByteLength]] internal slot +info: | + 24.1.4.1 get ArrayBuffer.prototype.maxByteLength + + 1. Let O be the this value. + 2. Perform ? RequireInternalSlot(O, [[ArrayBufferData]]). + 3. If IsSharedArrayBuffer(O) is true, throw a TypeError exception. + 4. If IsDetachedBuffer(O) is true, return +0𝔽. + 5. If IsResizableArrayBuffer(O) is true, then + a. Let length be O.[[ArrayBufferMaxByteLength]]. + 6. Else, + [...] + 7. Return 𝔽(length). +features: [resizable-arraybuffer] +---*/ + +var ab1 = new ArrayBuffer(0, { maxByteLength: 0 }); +assert.sameValue(ab1.maxByteLength, 0); + +var ab2 = new ArrayBuffer(0, { maxByteLength: 23 }); +assert.sameValue(ab2.maxByteLength, 23); + +var ab3 = new ArrayBuffer(42, { maxByteLength: 42 }); +assert.sameValue(ab3.maxByteLength, 42); + +reportCompare(0, 0); |