918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
105 lines
2.8 KiB
JavaScript
105 lines
2.8 KiB
JavaScript
// Copyright 2025 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: --experimental-wasm-rab-integration
|
|
|
|
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
|
|
|
|
let module = (() => {
|
|
let builder = new WasmModuleBuilder();
|
|
builder.addMemory(1, 100);
|
|
builder.addFunction("grow_memory", kSig_i_i)
|
|
.addBody([kExprLocalGet, 0, kExprMemoryGrow, kMemoryZero])
|
|
.exportFunc();
|
|
builder.exportMemoryAs("memory");
|
|
return builder.toModule();
|
|
})();
|
|
|
|
(function TestDetachingViaMemoryAPI() {
|
|
print("TestDetachingViaMemoryAPI...");
|
|
let memory = new WebAssembly.Memory({initial: 1, maximum: 100});
|
|
let growMem = (pages) => memory.grow(pages);
|
|
|
|
let b0 = memory.buffer;
|
|
assertFalse(b0.resizable);
|
|
|
|
let b1 = memory.toResizableBuffer();
|
|
assertFalse(b0 === b1);
|
|
assertTrue(b0.detached);
|
|
assertEquals(0, b0.byteLength);
|
|
assertTrue(b1.resizable);
|
|
assertEquals(kPageSize, b1.byteLength);
|
|
assertEquals(100 * kPageSize, b1.maxByteLength);
|
|
|
|
growMem(0);
|
|
let b2 = memory.buffer;
|
|
assertTrue(b1 === b2);
|
|
assertEquals(kPageSize, b2.byteLength);
|
|
|
|
growMem(1);
|
|
let b3 = memory.buffer;
|
|
assertTrue(b1 === b3);
|
|
assertTrue(b2 === b3);
|
|
assertEquals(2 * kPageSize, b3.byteLength);
|
|
})();
|
|
|
|
|
|
(function TestDetachingViaArrayBufferAPI() {
|
|
print("TestDetachingViaArrayBufferAPI...");
|
|
let memory = new WebAssembly.Memory({initial: 1, maximum: 100});
|
|
let growMem = (pages) => memory.buffer.resize(
|
|
memory.buffer.byteLength + pages * kPageSize);
|
|
|
|
let b0 = memory.buffer;
|
|
assertFalse(b0.resizable);
|
|
|
|
let b1 = memory.toResizableBuffer();
|
|
assertFalse(b0 === b1);
|
|
assertTrue(b0.detached);
|
|
assertEquals(0, b0.byteLength);
|
|
assertTrue(b1.resizable);
|
|
assertEquals(kPageSize, b1.byteLength);
|
|
assertEquals(100 * kPageSize, b1.maxByteLength);
|
|
|
|
growMem(0);
|
|
let b2 = memory.buffer;
|
|
assertTrue(b1 === b2);
|
|
assertEquals(kPageSize, b2.byteLength);
|
|
|
|
growMem(1);
|
|
let b3 = memory.buffer;
|
|
assertTrue(b1 === b3);
|
|
assertTrue(b2 === b3);
|
|
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 b0 = memory.buffer;
|
|
assertFalse(b0.resizable);
|
|
|
|
let b1 = memory.toResizableBuffer();
|
|
assertFalse(b0 === b1);
|
|
assertTrue(b0.detached);
|
|
assertEquals(0, b0.byteLength);
|
|
assertTrue(b1.resizable);
|
|
assertEquals(kPageSize, b1.byteLength);
|
|
assertEquals(100 * kPageSize, b1.maxByteLength);
|
|
|
|
growMem(0);
|
|
let b2 = memory.buffer;
|
|
assertTrue(b1 === b2);
|
|
assertEquals(kPageSize, b2.byteLength);
|
|
|
|
growMem(1);
|
|
let b3 = memory.buffer;
|
|
assertTrue(b1 === b3);
|
|
assertTrue(b2 === b3);
|
|
assertEquals(2 * kPageSize, b3.byteLength);
|
|
})();
|