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1a1639de3e
Original commit message:
[rab/gsab] Remove --harmony-rab-gsab (has been on by default for a while)
Bug: v8:11111
Change-Id: Ie74e7737f3e2e8730820cf00f1cbc7ae02b515af
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5516580
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#93848}
Refs: 9ebca66a57
PR-URL: https://github.com/nodejs/node/pull/53522
Reviewed-By: Yagiz Nizipli <yagiz.nizipli@sentry.io>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/53755
Fixes: https://github.com/nodejs/node/issues/53579
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
114 lines
3.7 KiB
JavaScript
114 lines
3.7 KiB
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --js-float16array
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"use strict";
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d8.file.execute('test/mjsunit/typedarray-helpers.js');
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(function DataViewPrototype() {
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const gsab = CreateGrowableSharedArrayBuffer(40, 80);
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const sab = new SharedArrayBuffer(80);
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const dvGsab = new DataView(gsab, 0, 3);
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const dvSab = new DataView(sab, 0, 3);
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assertEquals(dvGsab.__proto__, dvSab.__proto__);
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})();
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(function DataViewByteLength() {
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const gsab = CreateGrowableSharedArrayBuffer(40, 80);
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const dv = new DataView(gsab, 0, 3);
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assertEquals(gsab, dv.buffer);
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assertEquals(3, dv.byteLength);
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const emptyDv = new DataView(gsab, 0, 0);
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assertEquals(gsab, emptyDv.buffer);
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assertEquals(0, emptyDv.byteLength);
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const dvWithOffset = new DataView(gsab, 2, 3);
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assertEquals(gsab, dvWithOffset.buffer);
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assertEquals(3, dvWithOffset.byteLength);
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const emptyDvWithOffset = new DataView(gsab, 2, 0);
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assertEquals(gsab, emptyDvWithOffset.buffer);
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assertEquals(0, emptyDvWithOffset.byteLength);
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const lengthTracking = new DataView(gsab);
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assertEquals(gsab, lengthTracking.buffer);
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assertEquals(40, lengthTracking.byteLength);
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const offset = 8;
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const lengthTrackingWithOffset = new DataView(gsab, offset);
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assertEquals(gsab, lengthTrackingWithOffset.buffer);
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assertEquals(40 - offset, lengthTrackingWithOffset.byteLength);
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const emptyLengthTrackingWithOffset = new DataView(gsab, 40);
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assertEquals(gsab, emptyLengthTrackingWithOffset.buffer);
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assertEquals(0, emptyLengthTrackingWithOffset.byteLength);
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})();
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(function ConstructInvalid() {
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const gsab = CreateGrowableSharedArrayBuffer(40, 80);
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// Length too big.
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assertThrows(() => { new DataView(gsab, 0, 41); }, RangeError);
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// Offset too close to the end.
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assertThrows(() => { new DataView(gsab, 39, 2); }, RangeError);
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// Offset beyond end.
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assertThrows(() => { new DataView(gsab, 40, 1); }, RangeError);
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})();
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(function ConstructorParameterConversionGrows() {
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const gsab = CreateGrowableSharedArrayBuffer(40, 80);
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const evil = { valueOf: () => {
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gsab.grow(50);
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return 0;
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}};
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// Constructing will fail unless we take the new size into account.
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const dv = new DataView(gsab, evil, 50);
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assertEquals(50, dv.byteLength);
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})();
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(function GetAndSet() {
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const gsab = CreateGrowableSharedArrayBuffer(64, 128);
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const fixedLength = new DataView(gsab, 0, 32);
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const fixedLengthWithOffset = new DataView(gsab, 2, 32);
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const lengthTracking = new DataView(gsab, 0);
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const lengthTrackingWithOffset = new DataView(gsab, 2);
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testDataViewMethodsUpToSize(fixedLength, 32);
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assertAllDataViewMethodsThrow(fixedLength, 33, RangeError);
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testDataViewMethodsUpToSize(fixedLengthWithOffset, 32);
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assertAllDataViewMethodsThrow(fixedLengthWithOffset, 33, RangeError);
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testDataViewMethodsUpToSize(lengthTracking, 64);
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assertAllDataViewMethodsThrow(lengthTracking, 65, RangeError);
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testDataViewMethodsUpToSize(lengthTrackingWithOffset, 64 - 2);
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assertAllDataViewMethodsThrow(lengthTrackingWithOffset, 64 - 2 + 1,
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RangeError);
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// Grow.
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gsab.grow(100);
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testDataViewMethodsUpToSize(fixedLength, 32);
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assertAllDataViewMethodsThrow(fixedLength, 33, RangeError);
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testDataViewMethodsUpToSize(fixedLengthWithOffset, 32);
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assertAllDataViewMethodsThrow(fixedLengthWithOffset, 33, RangeError);
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testDataViewMethodsUpToSize(lengthTracking, 100);
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assertAllDataViewMethodsThrow(lengthTracking, 101, RangeError);
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testDataViewMethodsUpToSize(lengthTrackingWithOffset, 100 - 2);
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assertAllDataViewMethodsThrow(lengthTrackingWithOffset, 100 - 2 + 1,
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RangeError);
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})();
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