v8/test/mjsunit/wasm/grow-memory-detaching.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

65 lines
1.8 KiB
JavaScript

// Copyright 2016 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
load("test/mjsunit/wasm/wasm-module-builder.js");
let module = (() => {
let builder = new WasmModuleBuilder();
builder.addMemory(1, undefined, false);
builder.addFunction("grow_memory", kSig_i_i)
.addBody([kExprGetLocal, 0, kExprMemoryGrow, kMemoryZero])
.exportFunc();
builder.exportMemoryAs("memory");
return builder.toModule();
})();
(function TestDetachingViaAPI() {
print("TestDetachingViaAPI...");
let memory = new WebAssembly.Memory({initial: 1, maximum: 100});
let growMem = (pages) => memory.grow(pages);
let b1 = memory.buffer;
assertEquals(kPageSize, b1.byteLength);
growMem(0);
let b2 = memory.buffer;
assertFalse(b1 === b2);
assertEquals(0, b1.byteLength);
assertEquals(kPageSize, b2.byteLength);
growMem(1);
let b3 = memory.buffer;
assertFalse(b1 === b3);
assertFalse(b2 === b3);
assertEquals(0, b1.byteLength);
assertEquals(0, b2.byteLength);
assertEquals(2 * kPageSize, b3.byteLength);
})();
(function TestDetachingViaBytecode() {
print("TestDetachingViaBytecode...");
let instance = new WebAssembly.Instance(module);
let growMem = instance.exports.grow_memory;
let memory = instance.exports.memory;
let b1 = memory.buffer;
assertEquals(kPageSize, b1.byteLength);
growMem(0);
let b2 = memory.buffer;
assertFalse(b1 === b2);
assertEquals(0, b1.byteLength);
assertEquals(kPageSize, b2.byteLength);
growMem(1);
let b3 = memory.buffer;
assertFalse(b1 === b3);
assertFalse(b2 === b3);
assertEquals(0, b1.byteLength);
assertEquals(0, b2.byteLength);
assertEquals(2 * kPageSize, b3.byteLength);
})();