| // 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 |
| |
| load("test/mjsunit/wasm/wasm-constants.js"); |
| |
| var module = (function () { |
| var kBodySize = 5; |
| var kNameOffset = 21 + kBodySize + 1; |
| |
| return _WASMEXP_.instantiateModule(bytes( |
| // -- memory |
| kDeclMemory, |
| 12, 12, 1, |
| // -- signatures |
| kDeclSignatures, 1, |
| 2, kAstI32, kAstI32, kAstI32, // int, int -> int |
| // -- functions |
| kDeclFunctions, 1, |
| kDeclFunctionName | kDeclFunctionExport, |
| 0, 0, |
| kNameOffset, 0, 0, 0, // name offset |
| kBodySize, 0, |
| // -- body |
| kExprI32Sub, // -- |
| kExprGetLocal, 0, // -- |
| kExprGetLocal, 1, // -- |
| kDeclEnd, |
| 's', 'u', 'b', 0 // name |
| )); |
| })(); |
| |
| // 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.memory; |
| assertFalse(mem === undefined); |
| assertFalse(mem === null); |
| assertFalse(mem === 0); |
| assertEquals("object", typeof mem); |
| assertTrue(mem instanceof ArrayBuffer); |
| for (var i = 0; i < 4; i++) { |
| module.memory = 0; // should be ignored |
| assertEquals(mem, module.memory); |
| } |
| |
| assertEquals(4096, module.memory.byteLength); |
| |
| // Check the properties of the sub function. |
| assertEquals("function", typeof module.sub); |
| |
| assertEquals(-55, module.sub(33, 88)); |
| assertEquals(-55555, module.sub(33333, 88888)); |
| assertEquals(-5555555, module.sub(3333333, 8888888)); |
| |
| |
| var module = (function() { |
| var kBodySize = 1; |
| var kNameOffset2 = 19 + kBodySize + 1; |
| |
| return _WASMEXP_.instantiateModule(bytes( |
| // -- memory |
| kDeclMemory, |
| 12, 12, 1, |
| // -- signatures |
| kDeclSignatures, 1, |
| 0, kAstStmt, // signature: void -> void |
| // -- functions |
| kDeclFunctions, 1, |
| kDeclFunctionName | kDeclFunctionExport, |
| 0, 0, // signature index |
| kNameOffset2, 0, 0, 0, // name offset |
| kBodySize, 0, |
| kExprNop, // body |
| kDeclEnd, |
| 'n', 'o', 'p', 0 // name |
| )); |
| })(); |
| |
| // 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.memory; |
| assertFalse(mem === undefined); |
| assertFalse(mem === null); |
| assertFalse(mem === 0); |
| assertEquals("object", typeof mem); |
| assertTrue(mem instanceof ArrayBuffer); |
| for (var i = 0; i < 4; i++) { |
| module.memory = 0; // should be ignored |
| assertEquals(mem, module.memory); |
| } |
| |
| assertEquals(4096, module.memory.byteLength); |
| |
| // Check the properties of the sub function. |
| assertFalse(module.nop === undefined); |
| assertFalse(module.nop === null); |
| assertFalse(module.nop === 0); |
| assertEquals("function", typeof module.nop); |
| |
| assertEquals(undefined, module.nop()); |
| |
| (function testLt() { |
| var kBodySize = 5; |
| var kNameOffset = 21 + kBodySize + 1; |
| |
| var data = bytes( |
| // -- memory |
| kDeclMemory, |
| 12, 12, 1, |
| // -- signatures |
| kDeclSignatures, 1, |
| 2, kAstI32, kAstF64, kAstF64, // (f64,f64)->int |
| // -- functions |
| kDeclFunctions, 1, |
| kDeclFunctionName | kDeclFunctionExport, |
| 0, 0, // signature index |
| kNameOffset, 0, 0, 0, // name offset |
| kBodySize, 0, |
| // -- body |
| kExprF64Lt, // -- |
| kExprGetLocal, 0, // -- |
| kExprGetLocal, 1, // -- |
| kDeclEnd, |
| 'f', 'l', 't', 0 // name |
| ); |
| |
| var module = _WASMEXP_.instantiateModule(data); |
| |
| assertEquals("function", typeof module.flt); |
| assertEquals(1, module.flt(-2, -1)); |
| assertEquals(0, module.flt(7.3, 7.1)); |
| assertEquals(1, module.flt(7.1, 7.3)); |
| })(); |