1771e4aaa3
Since the reftypes proposal has shipped, we remove the respective flag and the code that handled its absence. We maintain a WasmFeature for reftypes for feature detection purposes. We remove the flag declaration from tests, and adapt some tests that make no sense without the flag. Bug: v8:7581 Change-Id: Icf2f8d0feae8f30ec68d5560f1e7ee5959481483 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3329781 Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Cr-Commit-Position: refs/heads/main@{#78351}
72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
// Copyright 2019 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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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let kTableSize = 5;
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let table = new WebAssembly.Table(
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{element: 'externref', initial: kTableSize, maximum: kTableSize});
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let builder = new WasmModuleBuilder();
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builder.addImportedTable('m', 'table', kTableSize, kTableSize, kWasmExternRef);
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builder.addTable(kWasmAnyFunc, 1000);
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builder.addFunction('copy', kSig_v_iii)
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.addBody([
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kExprLocalGet, 0, kExprLocalGet, 1, kExprLocalGet, 2, kNumericPrefix,
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kExprTableCopy, kTableZero, kTableZero
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])
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.exportFunc();
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const instance = builder.instantiate({m: {table: table}});
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function resetTable() {
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table.set(0, 1000);
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table.set(1, 1001);
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table.set(2, 1002);
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table.set(3, 1003);
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table.set(4, 1004);
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}
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function assertTable(values) {
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for (let i = 0; i < kTableSize; ++i) {
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assertEquals(table.get(i), values[i]);
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}
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}
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resetTable();
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instance.exports.copy(0, 1, 1);
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assertTable([1001, 1001, 1002, 1003, 1004]);
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resetTable();
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instance.exports.copy(0, 1, 2);
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assertTable([1001, 1002, 1002, 1003, 1004]);
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resetTable();
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instance.exports.copy(3, 0, 2);
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assertTable([1000, 1001, 1002, 1000, 1001]);
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// Non-overlapping, src < dst. Because of src < dst, we copy backwards.
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// Therefore the first access already traps, and the table is not changed.
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resetTable();
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assertTraps(kTrapTableOutOfBounds, () => instance.exports.copy(3, 0, 3));
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assertTable([1000, 1001, 1002, 1003, 1004]);
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// Non-overlapping, dst < src.
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resetTable();
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assertTraps(kTrapTableOutOfBounds, () => instance.exports.copy(0, 4, 2));
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assertTable([1000, 1001, 1002, 1003, 1004]);
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// Overlapping, src < dst. This is required to copy backward, but the first
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// access will be out-of-bounds, so nothing changes.
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resetTable();
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assertTraps(kTrapTableOutOfBounds, () => instance.exports.copy(3, 0, 99));
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assertTable([1000, 1001, 1002, 1003, 1004]);
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// Overlapping, dst < src.
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resetTable();
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assertTraps(kTrapTableOutOfBounds, () => instance.exports.copy(0, 1, 99));
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assertTable([1000, 1001, 1002, 1003, 1004]);
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