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// 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 --wasm-num-compilation-tasks=10
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
function assertModule(module, memsize) {
// Check the module exists.
assertFalse(module === undefined);
assertFalse(module === null);
assertFalse(module === 0);
assertEquals("object", typeof module);
// Check the memory is an ArrayBuffer.
var mem = module.exports.memory;
assertFalse(mem === undefined);
assertFalse(mem === null);
assertFalse(mem === 0);
assertEquals("object", typeof mem);
assertTrue(mem instanceof WebAssembly.Memory);
var buf = mem.buffer;
assertTrue(buf instanceof ArrayBuffer);
assertEquals(memsize, buf.byteLength);
for (var i = 0; i < 4; i++) {
module.exports.memory = 0; // should be ignored
mem.buffer = 0; // should be ignored
assertSame(mem, module.exports.memory);
assertSame(buf, mem.buffer);
}
}
function assertFunction(module, func) {
assertEquals("object", typeof module.exports);
var exp = module.exports[func];
assertFalse(exp === undefined);
assertFalse(exp === null);
assertFalse(exp === 0);
assertEquals("function", typeof exp);
return exp;
}
(function CompileFunctionsTest() {
var builder = new WasmModuleBuilder();
builder.addMemory(1, 1, true);
for (i = 0; i < 1000; i++) {
builder.addFunction("sub" + i, kSig_i_i)
.addBody([ // --
kExprGetLocal, 0, // --
kExprI32Const, i % 61, // --
kExprI32Sub]) // --
.exportFunc()
}
var module = builder.instantiate();
assertModule(module, kPageSize);
// Check the properties of the functions.
for (i = 0; i < 1000; i++) {
var sub = assertFunction(module, "sub" + i);
assertEquals(33 - (i % 61), sub(33));
}
})();
(function CallFunctionsTest() {
var builder = new WasmModuleBuilder();
var f = []
f[0] = builder.addFunction("add0", kSig_i_ii)
.addBody([
kExprGetLocal, 0, // --
kExprGetLocal, 1, // --
kExprI32Add, // --
])
.exportFunc()
builder.addMemory(1, 1, true);
for (i = 1; i < 256; i++) {
f[i] = builder.addFunction("add" + i, kSig_i_ii)
.addBody([ // --
kExprGetLocal, 0, // --
kExprGetLocal, 1, // --
kExprCallFunction, f[i >>> 1].index]) // --
.exportFunc()
}
var module = builder.instantiate();
assertModule(module, kPageSize);
// Check the properties of the functions.
for (i = 0; i < 256; i++) {
var add = assertFunction(module, "add" + i);
assertEquals(88, add(33, 55));
assertEquals(88888, add(33333, 55555));
assertEquals(8888888, add(3333333, 5555555));
}
})();
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