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[rab/gsab] Add GSAB tests for TA.p.copyWithin

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The tests won't be very interesting, but we should still have basic
smoke tests.

Bug: v8:11111
Change-Id: I57eadfc090883bc9b84e5b2fb5984b5ed588a69b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3177223
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77029}
This commit is contained in:
Marja Hölttä 2021-09-23 08:49:40 +02:00 committed by V8 LUCI CQ
parent 3c7680422a
commit ed10210a2e
1 changed files with 103 additions and 0 deletions
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103
test/mjsunit/typedarray-growablesharedarraybuffer.js
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@ -830,3 +830,106 @@ function TestIterationAndGrow(ta, expected, gsab, grow_after,
assertEquals([1, 1, 1, 1], ToNumbers(a));
}
})();
(function CopyWithin() {
for (let ctor of ctors) {
const gsab = CreateGrowableSharedArrayBuffer(4 * ctor.BYTES_PER_ELEMENT,
8 * ctor.BYTES_PER_ELEMENT);
const fixedLength = new ctor(gsab, 0, 4);
const fixedLengthWithOffset = new ctor(gsab, 2 * ctor.BYTES_PER_ELEMENT, 2);
const lengthTracking = new ctor(gsab, 0);
const lengthTrackingWithOffset = new ctor(gsab, 2 * ctor.BYTES_PER_ELEMENT);
// Write some data into the array.
const taWrite = new ctor(gsab);
for (let i = 0; i < 4; ++i) {
WriteToTypedArray(taWrite, i, i);
}
// Orig. array: [0, 1, 2, 3]
// [0, 1, 2, 3] << fixedLength
// [2, 3] << fixedLengthWithOffset
// [0, 1, 2, 3, ...] << lengthTracking
// [2, 3, ...] << lengthTrackingWithOffset
fixedLength.copyWithin(0, 2);
assertEquals([2, 3, 2, 3], ToNumbers(fixedLength));
for (let i = 0; i < 4; ++i) {
WriteToTypedArray(taWrite, i, i);
}
fixedLengthWithOffset.copyWithin(0, 1);
assertEquals([3, 3], ToNumbers(fixedLengthWithOffset));
for (let i = 0; i < 4; ++i) {
WriteToTypedArray(taWrite, i, i);
}
lengthTracking.copyWithin(0, 2);
assertEquals([2, 3, 2, 3], ToNumbers(lengthTracking));
lengthTrackingWithOffset.copyWithin(0, 1);
assertEquals([3, 3], ToNumbers(lengthTrackingWithOffset));
gsab.grow(6 * ctor.BYTES_PER_ELEMENT);
for (let i = 0; i < 6; ++i) {
WriteToTypedArray(taWrite, i, i);
}
// Orig. array: [0, 1, 2, 3, 4, 5]
// [0, 1, 2, 3] << fixedLength
// [2, 3] << fixedLengthWithOffset
// [0, 1, 2, 3, 4, 5, ...] << lengthTracking
// [2, 3, 4, 5, ...] << lengthTrackingWithOffset
fixedLength.copyWithin(0, 2);
assertEquals([2, 3, 2, 3], ToNumbers(fixedLength));
for (let i = 0; i < 6; ++i) {
WriteToTypedArray(taWrite, i, i);
}
fixedLengthWithOffset.copyWithin(0, 1);
assertEquals([3, 3], ToNumbers(fixedLengthWithOffset));
for (let i = 0; i < 6; ++i) {
WriteToTypedArray(taWrite, i, i);
}
// [0, 1, 2, 3, 4, 5, ...] << lengthTracking
// target ^ ^ start
lengthTracking.copyWithin(0, 2);
assertEquals([2, 3, 4, 5, 4, 5], ToNumbers(lengthTracking));
for (let i = 0; i < 6; ++i) {
WriteToTypedArray(taWrite, i, i);
}
// [2, 3, 4, 5, ...] << lengthTrackingWithOffset
// target ^ ^ start
lengthTrackingWithOffset.copyWithin(0, 1);
assertEquals([3, 4, 5, 5], ToNumbers(lengthTrackingWithOffset));
}
})();
(function CopyWithinParameterConversionGrows() {
for (let ctor of ctors) {
const gsab = CreateGrowableSharedArrayBuffer(4 * ctor.BYTES_PER_ELEMENT,
8 * ctor.BYTES_PER_ELEMENT);
const lengthTracking = new ctor(gsab);
for (let i = 0; i < 4; ++i) {
WriteToTypedArray(lengthTracking, i, i);
}
const evil = { valueOf: () => { gsab.grow(6 * ctor.BYTES_PER_ELEMENT);
WriteToTypedArray(lengthTracking, 4, 4);
WriteToTypedArray(lengthTracking, 5, 5);
return 0;} };
// Orig. array: [0, 1, 2, 3] [4, 5]
// ^ ^ ^ new elements
// target start
lengthTracking.copyWithin(evil, 2);
assertEquals([2, 3, 2, 3, 4, 5], ToNumbers(lengthTracking));
}
})();