Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --expose-wasm |
| 6 | |
| 7 | load("test/mjsunit/wasm/wasm-constants.js"); |
| 8 | |
| 9 | var kReturnValue = 117; |
| 10 | |
| 11 | var kBodySize = 2; |
| 12 | var kNameOffset = 19 + kBodySize + 1; |
| 13 | |
| 14 | var data = bytes( |
| 15 | // -- memory |
| 16 | kDeclMemory, |
| 17 | 10, 10, 1, |
| 18 | // -- signatures |
| 19 | kDeclSignatures, 1, |
| 20 | 0, kAstI32, // signature: void -> int |
| 21 | // -- main function |
| 22 | kDeclFunctions, 1, |
| 23 | kDeclFunctionName | kDeclFunctionExport, |
| 24 | 0, 0, // signature index |
| 25 | kNameOffset, 0, 0, 0, // name offset |
| 26 | kBodySize, 0, // body size |
| 27 | // -- body |
| 28 | kExprI8Const, // -- |
| 29 | kReturnValue, // -- |
| 30 | kDeclEnd, |
| 31 | 'm', 'a', 'i', 'n', 0 // name |
| 32 | ); |
| 33 | |
| 34 | var module = _WASMEXP_.instantiateModule(data); |
| 35 | |
| 36 | // Check the module exists. |
| 37 | assertFalse(module === undefined); |
| 38 | assertFalse(module === null); |
| 39 | assertFalse(module === 0); |
| 40 | assertEquals("object", typeof module); |
| 41 | |
| 42 | // Check the memory is an ArrayBuffer. |
| 43 | var mem = module.memory; |
| 44 | assertFalse(mem === undefined); |
| 45 | assertFalse(mem === null); |
| 46 | assertFalse(mem === 0); |
| 47 | assertEquals("object", typeof mem); |
| 48 | assertTrue(mem instanceof ArrayBuffer); |
| 49 | for (var i = 0; i < 4; i++) { |
| 50 | module.memory = 0; // should be ignored |
| 51 | assertEquals(mem, module.memory); |
| 52 | } |
| 53 | |
| 54 | assertEquals(1024, module.memory.byteLength); |
| 55 | |
| 56 | // Check the properties of the main function. |
| 57 | assertFalse(module.main === undefined); |
| 58 | assertFalse(module.main === null); |
| 59 | assertFalse(module.main === 0); |
| 60 | assertEquals("function", typeof module.main); |
| 61 | |
| 62 | assertEquals(kReturnValue, module.main()); |