5bdb13297f
We noticed that almost every call site were loading both files, the split isn't necessary anymore. In some message tests, removed the absolute line number to allow future changes. Bug: v8:8726 Change-Id: I8527f0a1ecfa685aa01a5e2f5f47ddf1cb13a545 Reviewed-on: https://chromium-review.googlesource.com/c/1446452 Commit-Queue: Sven Sauleau <ssauleau@igalia.com> Reviewed-by: Ben Titzer <titzer@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#59220}
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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load("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([kExprGetLocal, 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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