619dfed4f7
This reverts commit45bbf8041d. Reason for revert: Still some flakes. Original change's description: > Reland "Introducing an event loop mechanism for d8." > > This reverts commit02595c60a3. > > Original CL: https://chromium-review.googlesource.com/c/494968/ > > Bug: > Change-Id: I7441ed91ebb4a087cdf437ae3239f9b021110a11 > Reviewed-on: https://chromium-review.googlesource.com/500947 > Reviewed-by: Bill Budge <bbudge@chromium.org> > Commit-Queue: Mircea Trofin <mtrofin@chromium.org> > Cr-Commit-Position: refs/heads/master@{#45212} TBR=bradnelson@chromium.org,bbudge@chromium.org,mtrofin@chromium.org,jochen@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Bug: Change-Id: Idf2ea0431865104042a68bd2dac944a9725bf3f9 Reviewed-on: https://chromium-review.googlesource.com/501370 Reviewed-by: Mircea Trofin <mtrofin@chromium.org> Commit-Queue: Mircea Trofin <mtrofin@chromium.org> Cr-Commit-Position: refs/heads/master@{#45215}
80 lines
2.7 KiB
JavaScript
80 lines
2.7 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: --expose-wasm --allow-natives-syntax
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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 assertCompiles(buffer) {
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return assertPromiseResult(
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WebAssembly.compile(buffer),
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module => assertTrue(module instanceof WebAssembly.Module),
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ex => assertUnreachable);
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}
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function assertCompileError(buffer) {
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return assertPromiseResult(
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WebAssembly.compile(buffer), module => assertUnreachable,
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ex => assertTrue(ex instanceof WebAssembly.CompileError));
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}
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// These tests execute asynchronously. In order to avoid executing several tests
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// concurrently (which makes debugging much harder), build a promise chain to
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// start the next task only after the previous one ended.
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let testChain = Promise.resolve();
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let addTest = fun => testChain = testChain.then(() => fun());
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addTest(async function basicCompile() {
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let ok_buffer = (() => {
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var builder = new WasmModuleBuilder();
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builder.addFunction('f', kSig_i_v)
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.addBody([kExprI32Const, 42])
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.exportAs('f');
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return builder.toBuffer();
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})();
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// The OK buffer validates and can be made into a module.
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assertTrue(WebAssembly.validate(ok_buffer));
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let ok_module = new WebAssembly.Module(ok_buffer);
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assertTrue(ok_module instanceof WebAssembly.Module);
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// The bad buffer does not validate and cannot be made into a module.
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let bad_buffer = new ArrayBuffer(0);
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assertFalse(WebAssembly.validate(bad_buffer));
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assertThrows(
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() => new WebAssembly.Module(bad_buffer), WebAssembly.CompileError);
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let kNumCompiles = 3;
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// Three compilations of the OK module should succeed.
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for (var i = 0; i < kNumCompiles; i++) {
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await assertCompiles(ok_buffer);
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}
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// Three compilations of the bad module should fail.
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for (var i = 0; i < kNumCompiles; i++) {
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await assertCompileError(bad_buffer);
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}
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});
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addTest(async function badFunctionInTheMiddle() {
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// We had an error where an exception was generated by a background task and
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// later thrown in a foreground task. The handle to the exception died
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// inbetween, since the HandleScope was left.
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// This test reproduced that error.
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let builder = new WasmModuleBuilder();
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let sig = builder.addType(kSig_i_v);
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for (var i = 0; i < 10; ++i) {
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builder.addFunction('a' + i, sig).addBody([kExprI32Const, 42]);
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}
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builder.addFunction('bad', sig).addBody([]);
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for (var i = 0; i < 10; ++i) {
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builder.addFunction('b' + i, sig).addBody([kExprI32Const, 42]);
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}
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let buffer = builder.toBuffer();
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await assertCompileError(buffer);
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});
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