Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 1 | // Copyright 2016 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 | function instantiate(sig, body) { |
| 10 | var module = new Array(); |
| 11 | module = module.concat([ |
| 12 | // -- signatures |
| 13 | kDeclSignatures, 1, |
| 14 | ]); |
| 15 | module = module.concat(sig); |
| 16 | module = module.concat([ |
| 17 | // -- functions |
| 18 | kDeclFunctions, 1, |
| 19 | 0, // decl flags |
| 20 | 0, 0, // signature |
| 21 | body.length, 0, // body size |
| 22 | ]); |
| 23 | module = module.concat(body); |
| 24 | module = module.concat([ |
| 25 | // -- declare start function |
| 26 | kDeclStartFunction, |
| 27 | 0 |
| 28 | ]); |
| 29 | |
| 30 | var data = bytes.apply(this, module); |
| 31 | print(module); |
| 32 | print(data instanceof ArrayBuffer); |
| 33 | print(data.byteLength); |
| 34 | return _WASMEXP_.instantiateModule(data); |
| 35 | } |
| 36 | |
| 37 | function assertFails(sig, body) { |
| 38 | try { |
| 39 | var module = instantiate(sig, body); |
| 40 | print("expected failure, but passes"); |
| 41 | assertFalse(true); |
| 42 | } catch (expected) { |
| 43 | print("ok: " + expected); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | function assertVerifies(sig, body) { |
| 48 | var module = instantiate(sig, body); |
| 49 | assertFalse(module === undefined); |
| 50 | assertFalse(module === null); |
| 51 | assertFalse(module === 0); |
| 52 | assertEquals("object", typeof module); |
| 53 | return module; |
| 54 | } |
| 55 | |
| 56 | assertVerifies([0, kAstStmt], [kExprNop]); |
| 57 | assertVerifies([0, kAstI32], [kExprI8Const, 0]); |
| 58 | |
| 59 | // Arguments aren't allow to start functions. |
| 60 | assertFails([1, kAstI32, kAstI32], [kExprGetLocal, 0]); |
| 61 | assertFails([2, kAstI32, kAstI32, kAstF32], [kExprGetLocal, 0]); |
| 62 | assertFails([3, kAstI32, kAstI32, kAstF32, kAstF64], [kExprGetLocal, 0]); |
| 63 | |
| 64 | (function testInvalidIndex() { |
| 65 | var kBodySize = 1; |
| 66 | var data = bytes( |
| 67 | // -- signatures |
| 68 | kDeclSignatures, 1, |
| 69 | 0, kAstStmt, |
| 70 | // -- functions |
| 71 | kDeclFunctions, 1, |
| 72 | 0, // decl flags |
| 73 | 0, 0, // signature |
| 74 | kBodySize, 0, // body size |
| 75 | kExprNop, // body |
| 76 | // -- declare start function |
| 77 | kDeclStartFunction, |
| 78 | 1 |
| 79 | ); |
| 80 | |
| 81 | assertThrows(function() { _WASMEXP_.instantiateModule(data); }); |
| 82 | })(); |
| 83 | |
| 84 | |
| 85 | (function testTwoStartFuncs() { |
| 86 | var kBodySize = 1; |
| 87 | var data = bytes( |
| 88 | // -- signatures |
| 89 | kDeclSignatures, 1, |
| 90 | 0, kAstStmt, |
| 91 | // -- functions |
| 92 | kDeclFunctions, 1, |
| 93 | 0, // decl flags |
| 94 | 0, 0, // signature |
| 95 | kBodySize, 0, // body size |
| 96 | kExprNop, // body |
| 97 | // -- declare start function |
| 98 | kDeclStartFunction, |
| 99 | 0, |
| 100 | // -- declare start function |
| 101 | kDeclStartFunction, |
| 102 | 0 |
| 103 | ); |
| 104 | |
| 105 | assertThrows(function() { _WASMEXP_.instantiateModule(data); }); |
| 106 | })(); |
| 107 | |
| 108 | |
| 109 | (function testRun() { |
| 110 | var kBodySize = 6; |
| 111 | |
| 112 | var data = bytes( |
| 113 | kDeclMemory, |
| 114 | 12, 12, 1, // memory |
| 115 | // -- signatures |
| 116 | kDeclSignatures, 1, |
| 117 | 0, kAstStmt, |
| 118 | // -- start function |
| 119 | kDeclFunctions, 1, |
| 120 | 0, // decl flags |
| 121 | 0, 0, // signature |
| 122 | kBodySize, 0, // code size |
| 123 | // -- start body |
| 124 | kExprI32StoreMem, 0, kExprI8Const, 0, kExprI8Const, 77, |
| 125 | // -- declare start function |
| 126 | kDeclStartFunction, |
| 127 | 0 |
| 128 | ); |
| 129 | |
| 130 | var module = _WASMEXP_.instantiateModule(data); |
| 131 | var memory = module.memory; |
| 132 | var view = new Int8Array(memory); |
| 133 | assertEquals(77, view[0]); |
| 134 | })(); |
| 135 | |
| 136 | (function testStartFFI() { |
| 137 | var kBodySize = 2; |
| 138 | var kNameOffset = 4 + 9 + 7 + 3; |
| 139 | |
| 140 | var data = bytes( |
| 141 | // -- signatures |
| 142 | kDeclSignatures, 1, |
| 143 | 0, kAstStmt, |
| 144 | // -- imported function |
| 145 | kDeclFunctions, 2, |
| 146 | kDeclFunctionImport | kDeclFunctionName, // decl flags |
| 147 | 0, 0, // signature |
| 148 | kNameOffset, 0, 0, 0, |
| 149 | // -- start function |
| 150 | 0, // decl flags |
| 151 | 0, 0, // signature |
| 152 | kBodySize, 0, // code size |
| 153 | // -- start body |
| 154 | kExprCallFunction, 0, |
| 155 | // -- declare start function |
| 156 | kDeclStartFunction, |
| 157 | 1, |
| 158 | kDeclEnd, |
| 159 | 'f', 'o', 'o', 0 |
| 160 | ); |
| 161 | |
| 162 | var ranned = false; |
| 163 | var ffi = new Object(); |
| 164 | ffi.foo = function() { |
| 165 | print("we ranned at stert!"); |
| 166 | ranned = true; |
| 167 | } |
| 168 | var module = _WASMEXP_.instantiateModule(data, ffi); |
| 169 | var memory = module.memory; |
| 170 | var view = new Int8Array(memory); |
| 171 | assertTrue(ranned); |
| 172 | })(); |