0202a040c9
- Validate that atomic ops can only be called when shared memory is declared - Throw Compile/Link erros on mismatch between declared, imported memory - Test harness helpers for setting shared memory, tests BUG=v8:6532 R=binji@chromium.org, bradnelson@chromium.org Change-Id: I43fe3d04bb7e3e0a2cecca0528578f98844d2608 Reviewed-on: https://chromium-review.googlesource.com/665379 Commit-Queue: Brad Nelson <bradnelson@chromium.org> Reviewed-by: Brad Nelson <bradnelson@chromium.org> Cr-Commit-Position: refs/heads/master@{#48019}
104 lines
3.7 KiB
JavaScript
104 lines
3.7 KiB
JavaScript
// Copyright 2017 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: --experimental-wasm-threads
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load("test/mjsunit/wasm/wasm-constants.js");
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load("test/mjsunit/wasm/wasm-module-builder.js");
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function assertMemoryIsValid(memory) {
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assertSame(WebAssembly.Memory.prototype, memory.__proto__);
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assertSame(WebAssembly.Memory, memory.constructor);
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assertTrue(memory instanceof Object);
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assertTrue(memory instanceof WebAssembly.Memory);
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}
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(function TestConstructorWithShared() {
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print("TestConstructorWithShared");
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: 10, shared: true});
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assertMemoryIsValid(memory);
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// Assert that the buffer is frozen when memory is shared.
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assertTrue(Object.isFrozen(memory.buffer));
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})();
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(function TestConstructorWithUndefinedShared() {
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print("TestConstructorWithUndefinedShared");
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// Maximum = undefined, shared = undefined.
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: undefined, shared: undefined});
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assertMemoryIsValid(memory);
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})();
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(function TestConstructorWithNumericShared() {
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print("TestConstructorWithNumericShared");
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// For numeric values, shared = true.
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: 10, shared: 2098665});
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assertMemoryIsValid(memory);
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})();
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(function TestConstructorWithEmptyStringShared() {
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print("TestConstructorWithEmptyStringShared");
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// Maximum = undefined, shared = false.
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: undefined, shared: ""});
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assertMemoryIsValid(memory);
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})();
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(function TestConstructorWithUndefinedMaxShared() {
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print("TestConstructorWithUndefinedMaxShared");
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// New memory with Maximum = undefined, shared = true => TypeError.
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assertThrows(() => new WebAssembly.Memory({initial: 0, shared: true}),
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TypeError);
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})();
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(function TestCompileWithUndefinedShared() {
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print("TestCompileWithUndefinedShared");
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: 10, shared: true});
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let builder = new WasmModuleBuilder();
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builder.addImportedMemory("m", "imported_mem", 0, undefined, "shared");
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assertThrows(() => new WebAssembly.Module(builder.toBuffer()),
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WebAssembly.CompileError);
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})();
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(function TestCompileAtomicOpUndefinedShared() {
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print("TestCompileAtomicOpUndefinedShared");
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: 10, shared: true});
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let builder = new WasmModuleBuilder();
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builder.addFunction("main", kSig_i_ii)
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.addBody([
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kExprGetLocal, 0,
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kExprGetLocal, 1,
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kAtomicPrefix,
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kExprI32AtomicAdd]);
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builder.addImportedMemory("m", "imported_mem");
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assertThrows(() => new WebAssembly.Module(builder.toBuffer()),
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WebAssembly.CompileError);
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})();
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(function TestInstantiateWithUndefinedShared() {
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print("TestInstantiateWithUndefinedShared");
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: 10, shared: true});
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let builder = new WasmModuleBuilder();
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builder.addImportedMemory("m", "imported_mem");
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let module = new WebAssembly.Module(builder.toBuffer());
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assertThrows(() => new WebAssembly.Instance(module,
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{m: {imported_mem: memory}}), WebAssembly.LinkError);
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})();
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(function TestInstantiateWithImportNotSharedDefined() {
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print("TestInstantiateWithImportNotSharedDefined");
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let memory = new WebAssembly.Memory({
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initial: 0, maximum: 10, shared: false});
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let builder = new WasmModuleBuilder();
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builder.addImportedMemory("m", "imported_mem", 0, 10, "shared");
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let module = new WebAssembly.Module(builder.toBuffer());
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assertThrows(() => new WebAssembly.Instance(module,
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{m: {imported_mem: memory}}), WebAssembly.LinkError);
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})();
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