8c57a54b86
This makes sure that the {WasmModuleObject} has been allocated before
any debug events are fired. Since {WasmScript} objects reference the
module object, it needs to be allocated earlier by now.
R=ahaas@chromium.org
TEST=debugger/regress/regress-crbug-840288
BUG=chromium:840288
Change-Id: I02783ce126c463ac953eb2192acb65f3a5d420a1
Reviewed-on: https://chromium-review.googlesource.com/1050246
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53084}
73 lines
2.4 KiB
JavaScript
73 lines
2.4 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: --wasm-async-compilation --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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assertPromiseResult(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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assertPromiseResult(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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// between, 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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