v8/test/mjsunit/wasm/test-wasm-module-builder.js
2016-03-07 10:14:25 +00:00

91 lines
3.1 KiB
JavaScript

// 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-constants.js');
load('test/mjsunit/wasm/wasm-module-builder.js');
var debug = false;
(function BasicTest() {
var module = new WasmModuleBuilder();
module.addMemory(1, 2, false);
module.addFunction("foo", [kAstI32])
.addBody([kExprI8Const, 11])
.exportAs("blarg");
var buffer = module.toBuffer(debug);
var instance = _WASMEXP_.instantiateModule(buffer);
assertEquals(11, instance.exports.blarg());
})();
(function ImportTest() {
var module = new WasmModuleBuilder();
var index = module.addImport("print", [kAstStmt, kAstI32]);
module.addFunction("foo", [kAstStmt])
.addBody([kExprCallImport, index, kExprI8Const, 13])
.exportAs("main");
var buffer = module.toBuffer(debug);
var instance = _WASMEXP_.instantiateModule(buffer, {print: print});
print("should print 13! ");
instance.exports.main();
})();
(function LocalsTest() {
var module = new WasmModuleBuilder();
module.addFunction(undefined, [kAstI32, kAstI32])
.addLocals({i32_count: 1})
.addBody([kExprSetLocal, 1, kExprGetLocal, 0])
.exportAs("main");
var buffer = module.toBuffer(debug);
var instance = _WASMEXP_.instantiateModule(buffer);
assertEquals(19, instance.exports.main(19));
assertEquals(27777, instance.exports.main(27777));
})();
(function CallTest() {
var module = new WasmModuleBuilder();
module.addFunction("add", [kAstI32, kAstI32, kAstI32])
.addBody([kExprI32Add, kExprGetLocal, 0, kExprGetLocal, 1]);
module.addFunction("main", [kAstI32, kAstI32, kAstI32])
.addBody([kExprCallFunction, 0, kExprGetLocal, 0, kExprGetLocal, 1])
.exportAs("main");
var instance = module.instantiate();
assertEquals(44, instance.exports.main(11, 33));
assertEquals(7777, instance.exports.main(2222, 5555));
})();
(function IndirectCallTest() {
var module = new WasmModuleBuilder();
module.addFunction("add", [kAstI32, kAstI32, kAstI32])
.addBody([kExprI32Add, kExprGetLocal, 0, kExprGetLocal, 1]);
module.addFunction("main", [kAstI32, kAstI32, kAstI32, kAstI32])
.addBody([kExprCallIndirect, 0, kExprGetLocal,
0, kExprGetLocal, 1, kExprGetLocal, 2])
.exportAs("main");
module.appendToFunctionTable([0]);
var instance = module.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() {
var module = new WasmModuleBuilder();
module.addMemory(1, 1, false);
module.addFunction("load", [kAstI32, kAstI32])
.addBody([kExprI32LoadMem, 0, kExprGetLocal, 0])
.exportAs("load");
module.addDataSegment(0, [9, 9, 9, 9], true);
var buffer = module.toBuffer(debug);
var instance = _WASMEXP_.instantiateModule(buffer);
assertEquals(151587081, instance.exports.load(0));
})();