v8/test/mjsunit/wasm/import-memory.js
titzer e3ff4cf8c9 [wasm] Implement importing of WebAssembly.Memory.
R=mtrofin@chromium.org,gdeepti@chromium.org
BUG=chromium:575167

Review-Url: https://codereview.chromium.org/2392943006
Cr-Commit-Position: refs/heads/master@{#40076}
2016-10-07 09:34:27 +00:00

83 lines
2.2 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-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function TestOne() {
print("TestOne");
let memory = new WebAssembly.Memory({initial: 1});
assertEquals(kPageSize, memory.buffer.byteLength);
let i32 = new Int32Array(memory.buffer);
let builder = new WasmModuleBuilder();
builder.addImportedMemory("mine");
builder.addFunction("main", kSig_i_v)
.addBody([
kExprI32Const, 0,
kExprI32LoadMem, 0, 0])
.exportAs("main");
let main = builder.instantiate({mine: memory}).exports.main;
assertEquals(0, main());
i32[0] = 993377;
assertEquals(993377, main());
})();
(function TestIdentity() {
print("TestIdentity");
let memory = new WebAssembly.Memory({initial: 1});
let i32 = new Int32Array(memory.buffer);
let builder = new WasmModuleBuilder();
builder.addImportedMemory("garg");
builder.exportMemoryAs("daggle");
let instance = builder.instantiate({garg: memory});
assertSame(memory, instance.exports.daggle);
})();
(function TestImportExport() {
print("TestImportExport");
var i1;
{
let builder = new WasmModuleBuilder();
builder.addMemory(1, 1, false);
builder.exportMemoryAs("exported_mem");
builder.addFunction("foo", kSig_i_i)
.addBody([
kExprGetLocal, 0,
kExprI32LoadMem, 0, 0])
.exportAs("foo");
i1 = builder.instantiate();
}
var i2;
{
let builder = new WasmModuleBuilder();
builder.addMemory(1, 1, false);
builder.addImportedMemory("imported_mem");
builder.addFunction("bar", kSig_i_i)
.addBody([
kExprGetLocal, 0,
kExprI32LoadMem, 0, 0])
.exportAs("bar");
i2 = builder.instantiate({imported_mem: i1.exports.exported_mem});
}
let i32 = new Int32Array(i1.exports.exported_mem.buffer);
for (var i = 0; i < 1e11; i = i * 3 + 5) {
for (var j = 0; j < 10; j++) {
var val = i + 99077 + j;
i32[j] = val;
assertEquals(val | 0, i1.exports.foo(j * 4));
assertEquals(val | 0, i2.exports.bar(j * 4));
}
}
})();