blob: eb0a95384c644ddf9eabc6aeaf13724e9fab4468 [file] [log] [blame]
// 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("BasicTest");
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("ImportTest");
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("LocalsTest");
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("LocalsTest2");
// 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("CallTest");
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("IndirectCallTest");
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(function() { instance.exports.main(1, 1, 1); });
})();
(function DataSegmentTest() {
print("DataSegmentTest");
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("BasicTestWithUint8Array");
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("ImportTestTwoLevel");
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();
})();