v8/test/mjsunit/wasm/async-compile.js
Sven Sauleau 5bdb13297f [wasm] merge js constants file in module-builder
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}
2019-01-30 22:10:34 +00:00

80 lines
2.6 KiB
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-wasm --allow-natives-syntax
load("test/mjsunit/wasm/wasm-module-builder.js");
async function assertCompiles(buffer) {
var module = await WebAssembly.compile(buffer);
assertInstanceof(module, WebAssembly.Module);
}
async function assertCompileError(buffer) {
try {
await WebAssembly.compile(buffer);
assertUnreachable();
} catch (e) {
if (!(e instanceof WebAssembly.CompileError)) throw e;
}
}
assertPromiseResult(async function basicCompile() {
let ok_buffer = (() => {
var builder = new WasmModuleBuilder();
builder.addFunction('f', kSig_i_v)
.addBody([kExprI32Const, 42])
.exportAs('f');
return builder.toBuffer();
})();
// The OK buffer validates and can be made into a module.
assertTrue(WebAssembly.validate(ok_buffer));
let ok_module = new WebAssembly.Module(ok_buffer);
assertTrue(ok_module instanceof WebAssembly.Module);
// The bad buffer does not validate and cannot be made into a module.
let bad_buffer = new ArrayBuffer(0);
assertFalse(WebAssembly.validate(bad_buffer));
assertThrows(
() => new WebAssembly.Module(bad_buffer), WebAssembly.CompileError);
let kNumCompiles = 3;
// Three compilations of the OK module should succeed.
for (var i = 0; i < kNumCompiles; i++) {
await assertCompiles(ok_buffer);
}
// Three compilations of the bad module should fail.
for (var i = 0; i < kNumCompiles; i++) {
await assertCompileError(bad_buffer);
}
}());
assertPromiseResult(async function badFunctionInTheMiddle() {
// We had an error where an exception was generated by a background task and
// later thrown in a foreground task. The handle to the exception died
// between, since the HandleScope was left.
// This test reproduced that error.
let builder = new WasmModuleBuilder();
let sig = builder.addType(kSig_i_v);
for (var i = 0; i < 10; ++i) {
builder.addFunction('a' + i, sig).addBody([kExprI32Const, 42]);
}
builder.addFunction('bad', sig).addBody([]);
for (var i = 0; i < 10; ++i) {
builder.addFunction('b' + i, sig).addBody([kExprI32Const, 42]);
}
let buffer = builder.toBuffer();
await assertCompileError(buffer);
}());
assertPromiseResult(async function importWithoutCode() {
// Regression test for https://crbug.com/898310.
let builder = new WasmModuleBuilder();
builder.addImport('m', 'q', kSig_i_i);
await builder.asyncInstantiate({'m': {'q': i => i}});
}());