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// Copyright 2015 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 --expose-gc
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function SerializeAndDeserializeModule() {
var builder = new WasmModuleBuilder();
builder.addMemory(1,1, true);
var kSig_v_i = makeSig([kAstI32], []);
var signature = builder.addType(kSig_v_i);
builder.addImport("some_value", kSig_i);
builder.addImport("writer", signature);
builder.addFunction("main", kSig_i_i)
.addBody([
kExprGetLocal, 0,
kExprI32LoadMem, 0, 0,
kExprI32Const, 1,
kExprCallIndirect, signature,
kExprGetLocal,0,
kExprI32LoadMem,0, 0,
kExprCallFunction, 0,
kExprI32Add
]).exportFunc();
// writer(mem[i]);
// return mem[i] + some_value();
builder.addFunction("_wrap_writer", signature)
.addBody([
kExprGetLocal, 0,
kExprCallFunction, 1]);
builder.appendToTable([2, 3]);
var module = new WebAssembly.Module(builder.toBuffer());
var buff = %SerializeWasmModule(module);
module = null;
gc();
module = %DeserializeWasmModule(buff);
var mem_1 = new ArrayBuffer(4);
var view_1 = new Int32Array(mem_1);
view_1[0] = 42;
var outval_1;
var i1 = new WebAssembly.Instance(module, {some_value: () => 1,
writer: (x)=>outval_1 = x }, mem_1);
assertEquals(43, i1.exports.main(0));
assertEquals(42, outval_1);
})();
(function DeserializeInvalidObject() {
var invalid_buffer = new ArrayBuffer(10);
module = %DeserializeWasmModule(invalid_buffer);
assertEquals(module, undefined);
})();
(function RelationBetweenModuleAndClone() {
let builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i)
.addBody([kExprI8Const, 42])
.exportFunc();
var compiled_module = new WebAssembly.Module(builder.toBuffer());
var serialized = %SerializeWasmModule(compiled_module);
var clone = %DeserializeWasmModule(serialized);
assertNotNull(clone);
assertFalse(clone == undefined);
assertFalse(clone == compiled_module);
assertEquals(clone.constructor, compiled_module.constructor);
})();
(function SerializeAfterInstantiation() {
let builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i)
.addBody([kExprI8Const, 42])
.exportFunc();
var compiled_module = new WebAssembly.Module(builder.toBuffer());
var instance1 = new WebAssembly.Instance(compiled_module);
var instance2 = new WebAssembly.Instance(compiled_module);
var serialized = %SerializeWasmModule(compiled_module);
var clone = %DeserializeWasmModule(serialized);
assertNotNull(clone);
assertFalse(clone == undefined);
assertFalse(clone == compiled_module);
assertEquals(clone.constructor, compiled_module.constructor);
var instance3 = new WebAssembly.Instance(clone);
assertFalse(instance3 == undefined);
})();
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