a345a442d3
- Add d8.file.read() and d8.file.execute() helpers - Change tools and tests to use new d8.file helper - Unify error throwing in v8::Shell::ReadFile Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Reviewed-by: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#74883}
91 lines
2.6 KiB
JavaScript
91 lines
2.6 KiB
JavaScript
// Copyright 2016 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: --expose-wasm --expose-gc
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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// This test verifies that when instances are exported, Gc'ed, the other
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// instances in the chain still maintain a consistent view of the memory.
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(function ValidateSharedInstanceMemory() {
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print("ValidateSharedInstanceMemory");
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let memory = new WebAssembly.Memory({initial: 5, maximum: 100});
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var builder = new WasmModuleBuilder();
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builder.addImportedMemory("mod", "imported_mem");
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builder.addFunction("mem_size", kSig_i_v)
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.addBody([kExprMemorySize, kMemoryZero])
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.exportFunc();
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builder.addFunction("grow", kSig_i_i)
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.addBody([kExprLocalGet, 0, kExprMemoryGrow, kMemoryZero])
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.exportFunc();
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var instances = [];
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for (var i = 0; i < 5; i++) {
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instances.push(builder.instantiate({mod: {imported_mem: memory}}));
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}
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function grow_instance(index, pages) {
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return instances[index].exports.grow(pages);
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}
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function verify_mem_size(expected_pages) {
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print(" checking size = " + expected_pages + " pages");
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assertEquals(expected_pages*kPageSize, memory.buffer.byteLength);
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for (let i = 0; i < instances.length; i++) {
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if (instances[i] == null) continue;
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assertEquals(expected_pages, instances[i].exports.mem_size());
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}
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}
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// Verify initial memory size of all instances, grow and verify that all
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// instances are updated correctly.
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verify_mem_size(5);
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assertEquals(5, memory.grow(6));
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verify_mem_size(11);
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print(" instances[1] = null, GC");
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instances[1] = null;
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gc();
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// i[0] - i[2] - i[3] - i[4]
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verify_mem_size(11);
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assertEquals(11, grow_instance(2, 10));
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verify_mem_size(21);
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print(" instances[4] = null, GC");
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instances[4] = null;
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gc();
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verify_mem_size(21);
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assertEquals(21, memory.grow(2));
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verify_mem_size(23);
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print(" instances[0] = null, GC");
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instances[0] = null;
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gc();
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gc();
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verify_mem_size(23);
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assertEquals(23, grow_instance(3, 5));
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verify_mem_size(28);
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print(" new instance, GC");
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// Instantiate a new instance and verify that it can be grown correctly.
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instances.push(builder.instantiate({mod: {imported_mem: memory}}));
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gc();
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gc();
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verify_mem_size(28);
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assertEquals(28, grow_instance(5, 2));
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verify_mem_size(30);
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assertEquals(30, memory.grow(5));
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verify_mem_size(35);
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for (let i = 0; i < instances.length; i++) {
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print(" instances[" + i + "] = null, GC");
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instances[i] = null;
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gc();
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verify_mem_size(35);
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}
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})();
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