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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
load('test/mjsunit/wasm/wasm-module-builder.js');
var debug = true;
function instantiate(buffer, ffi) {
return new WebAssembly.Instance(new WebAssembly.Module(buffer), ffi);
}
(function BasicTest() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
builder.addMemory(1, 2, false);
builder.addFunction('foo', kSig_i_v)
.addBody([kExprI32Const, 11])
.exportAs('blarg');
var buffer = builder.toBuffer(debug);
var instance = instantiate(buffer);
assertEquals(11, instance.exports.blarg());
})();
(function ImportTest() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
var index = builder.addImport('', 'print', makeSig_v_x(kWasmI32));
builder.addFunction('foo', kSig_v_v)
.addBody([kExprI32Const, 13, kExprCallFunction, index])
.exportAs('main');
var buffer = builder.toBuffer(debug);
var instance = instantiate(buffer, {'': {print: print}});
print('should print 13! ');
instance.exports.main();
})();
(function LocalsTest() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
builder.addFunction(undefined, kSig_i_i)
.addLocals({i32_count: 1})
.addBody([kExprGetLocal, 0, kExprSetLocal, 1, kExprGetLocal, 1])
.exportAs('main');
var buffer = builder.toBuffer(debug);
var instance = instantiate(buffer);
assertEquals(19, instance.exports.main(19));
assertEquals(27777, instance.exports.main(27777));
})();
(function LocalsTest2() {
print(arguments.callee.name);
// TODO(titzer): i64 only works on 64-bit platforms.
var types = [
{locals: {i32_count: 1}, type: kWasmI32},
// {locals: {i64_count: 1}, type: kWasmI64},
{locals: {f32_count: 1}, type: kWasmF32},
{locals: {f64_count: 1}, type: kWasmF64},
];
for (p of types) {
let builder = new WasmModuleBuilder();
builder.addFunction(undefined, makeSig_r_x(p.type, p.type))
.addLocals(p.locals)
.addBody([kExprGetLocal, 0, kExprSetLocal, 1, kExprGetLocal, 1])
.exportAs('main');
var buffer = builder.toBuffer(debug);
var instance = instantiate(buffer);
assertEquals(19, instance.exports.main(19));
assertEquals(27777, instance.exports.main(27777));
}
})();
(function CallTest() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
builder.addFunction('add', kSig_i_ii).addBody([
kExprGetLocal, 0, kExprGetLocal, 1, kExprI32Add
]);
builder.addFunction('main', kSig_i_ii)
.addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprCallFunction, 0])
.exportAs('main');
var instance = builder.instantiate();
assertEquals(44, instance.exports.main(11, 33));
assertEquals(7777, instance.exports.main(2222, 5555));
})();
(function IndirectCallTest() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
builder.addFunction('add', kSig_i_ii).addBody([
kExprGetLocal, 0, kExprGetLocal, 1, kExprI32Add
]);
builder.addFunction('main', kSig_i_iii)
.addBody([
kExprGetLocal, 1, kExprGetLocal, 2, kExprGetLocal, 0, kExprCallIndirect,
0, kTableZero
])
.exportAs('main');
builder.appendToTable([0]);
var instance = builder.instantiate();
assertEquals(44, instance.exports.main(0, 11, 33));
assertEquals(7777, instance.exports.main(0, 2222, 5555));
assertThrows(() => instance.exports.main(1, 1, 1));
})();
(function DataSegmentTest() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
builder.addMemory(1, 1, false);
builder.addFunction('load', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprI32LoadMem, 0, 0])
.exportAs('load');
builder.addDataSegment(0, [9, 9, 9, 9]);
var buffer = builder.toBuffer(debug);
var instance = instantiate(buffer);
assertEquals(151587081, instance.exports.load(0));
})();
(function BasicTestWithUint8Array() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
builder.addMemory(1, 2, false);
builder.addFunction('foo', kSig_i_v)
.addBody([kExprI32Const, 17])
.exportAs('blarg');
var buffer = builder.toBuffer(debug);
var array = new Uint8Array(buffer);
var instance = instantiate(array);
assertEquals(17, instance.exports.blarg());
var kPad = 5;
var buffer2 = new ArrayBuffer(kPad + buffer.byteLength + kPad);
var whole = new Uint8Array(buffer2);
for (var i = 0; i < whole.byteLength; i++) {
whole[i] = 0xff;
}
var array2 = new Uint8Array(buffer2, kPad, buffer.byteLength);
for (var i = 0; i < array2.byteLength; i++) {
array2[i] = array[i];
}
var instance = instantiate(array2);
assertEquals(17, instance.exports.blarg());
})();
(function ImportTestTwoLevel() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
var index = builder.addImport('mod', 'print', makeSig_v_x(kWasmI32));
builder.addFunction('foo', kSig_v_v)
.addBody([kExprI32Const, 19, kExprCallFunction, index])
.exportAs('main');
var buffer = builder.toBuffer(debug);
var instance = instantiate(buffer, {mod: {print: print}});
print('should print 19! ');
instance.exports.main();
})();
(function TestI32Const() {
print(arguments.callee.name);
let ints = [
// A few negative number of different length.
-3 << 28, -20000, -400, -200, -100, -50, -10, -1,
// And a few positive number of different length.
0, 1, 2, 20, 120, 130, 260, 500, 5000000, 3 << 28
];
for (let i of ints) {
let builder = new WasmModuleBuilder();
builder.addFunction('main', kSig_i_v)
.addBody([...wasmI32Const(i)])
.exportAs('main');
let instance = builder.instantiate();
assertEquals(i, instance.exports.main());
}
})();
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