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| 1 // Copyright 2014 The Chromium 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 define('mojo/edk/js/tests/js_to_cpp_tests', [ |
| 6 'console', |
| 7 'mojo/edk/js/tests/js_to_cpp.mojom', |
| 8 'mojo/public/js/bindings', |
| 9 'mojo/public/js/connector', |
| 10 'mojo/public/js/core', |
| 11 ], function (console, jsToCpp, bindings, connector, core) { |
| 12 var retainedJsSide; |
| 13 var retainedJsSideStub; |
| 14 var sampleData; |
| 15 var sampleMessage; |
| 16 var BAD_VALUE = 13; |
| 17 var DATA_PIPE_PARAMS = { |
| 18 flags: core.CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, |
| 19 elementNumBytes: 1, |
| 20 capacityNumBytes: 64 |
| 21 }; |
| 22 |
| 23 function JsSideConnection() { |
| 24 this.binding = new bindings.Binding(jsToCpp.JsSide, this); |
| 25 } |
| 26 |
| 27 JsSideConnection.prototype.setCppSide = function(cppSide) { |
| 28 this.cppSide_ = cppSide; |
| 29 this.cppSide_.startTest(); |
| 30 }; |
| 31 |
| 32 JsSideConnection.prototype.ping = function (arg) { |
| 33 this.cppSide_.pingResponse(); |
| 34 }; |
| 35 |
| 36 JsSideConnection.prototype.echo = function (numIterations, arg) { |
| 37 var dataPipe1; |
| 38 var dataPipe2; |
| 39 var i; |
| 40 var messagePipe1; |
| 41 var messagePipe2; |
| 42 var specialArg; |
| 43 |
| 44 // Ensure expected negative values are negative. |
| 45 if (arg.si64 > 0) |
| 46 arg.si64 = BAD_VALUE; |
| 47 |
| 48 if (arg.si32 > 0) |
| 49 arg.si32 = BAD_VALUE; |
| 50 |
| 51 if (arg.si16 > 0) |
| 52 arg.si16 = BAD_VALUE; |
| 53 |
| 54 if (arg.si8 > 0) |
| 55 arg.si8 = BAD_VALUE; |
| 56 |
| 57 for (i = 0; i < numIterations; ++i) { |
| 58 dataPipe1 = core.createDataPipe(DATA_PIPE_PARAMS); |
| 59 dataPipe2 = core.createDataPipe(DATA_PIPE_PARAMS); |
| 60 messagePipe1 = core.createMessagePipe(); |
| 61 messagePipe2 = core.createMessagePipe(); |
| 62 |
| 63 arg.data_handle = dataPipe1.consumerHandle; |
| 64 arg.message_handle = messagePipe1.handle1; |
| 65 |
| 66 specialArg = new jsToCpp.EchoArgs(); |
| 67 specialArg.si64 = -1; |
| 68 specialArg.si32 = -1; |
| 69 specialArg.si16 = -1; |
| 70 specialArg.si8 = -1; |
| 71 specialArg.name = 'going'; |
| 72 specialArg.data_handle = dataPipe2.consumerHandle; |
| 73 specialArg.message_handle = messagePipe2.handle1; |
| 74 |
| 75 writeDataPipe(dataPipe1, sampleData); |
| 76 writeDataPipe(dataPipe2, sampleData); |
| 77 writeMessagePipe(messagePipe1, sampleMessage); |
| 78 writeMessagePipe(messagePipe2, sampleMessage); |
| 79 |
| 80 this.cppSide_.echoResponse(createEchoArgsList(specialArg, arg)); |
| 81 |
| 82 core.close(dataPipe1.producerHandle); |
| 83 core.close(dataPipe2.producerHandle); |
| 84 core.close(messagePipe1.handle0); |
| 85 core.close(messagePipe2.handle0); |
| 86 } |
| 87 this.cppSide_.testFinished(); |
| 88 }; |
| 89 |
| 90 JsSideConnection.prototype.bitFlip = function (arg) { |
| 91 var iteration = 0; |
| 92 var dataPipe; |
| 93 var messagePipe; |
| 94 var proto = connector.Connector.prototype; |
| 95 var stopSignalled = false; |
| 96 |
| 97 proto.realAccept = proto.accept; |
| 98 proto.accept = function (message) { |
| 99 var offset = iteration / 8; |
| 100 var mask; |
| 101 var value; |
| 102 if (offset < message.buffer.arrayBuffer.byteLength) { |
| 103 mask = 1 << (iteration % 8); |
| 104 value = message.buffer.getUint8(offset) ^ mask; |
| 105 message.buffer.setUint8(offset, value); |
| 106 return this.realAccept(message); |
| 107 } |
| 108 stopSignalled = true; |
| 109 return false; |
| 110 }; |
| 111 |
| 112 while (!stopSignalled) { |
| 113 messagePipe = core.createMessagePipe(); |
| 114 writeMessagePipe(messagePipe, sampleMessage); |
| 115 arg.message_handle = messagePipe.handle1; |
| 116 |
| 117 this.cppSide_.bitFlipResponse(createEchoArgsList(arg), null); |
| 118 |
| 119 core.close(messagePipe.handle0); |
| 120 iteration += 1; |
| 121 } |
| 122 |
| 123 proto.accept = proto.realAccept; |
| 124 proto.realAccept = null; |
| 125 this.cppSide_.testFinished(); |
| 126 }; |
| 127 |
| 128 JsSideConnection.prototype.backPointer = function (arg) { |
| 129 var iteration = 0; |
| 130 var dataPipe; |
| 131 var messagePipe; |
| 132 var proto = connector.Connector.prototype; |
| 133 var stopSignalled = false; |
| 134 |
| 135 proto.realAccept = proto.accept; |
| 136 proto.accept = function (message) { |
| 137 var delta = 8 * (1 + iteration % 32); |
| 138 var offset = 8 * ((iteration / 32) | 0); |
| 139 if (offset < message.buffer.arrayBuffer.byteLength - 4) { |
| 140 message.buffer.dataView.setUint32(offset, 0x100000000 - delta, true); |
| 141 message.buffer.dataView.setUint32(offset + 4, 0xffffffff, true); |
| 142 return this.realAccept(message); |
| 143 } |
| 144 stopSignalled = true; |
| 145 return false; |
| 146 }; |
| 147 |
| 148 while (!stopSignalled) { |
| 149 messagePipe = core.createMessagePipe(); |
| 150 writeMessagePipe(messagePipe, sampleMessage); |
| 151 arg.message_handle = messagePipe.handle1; |
| 152 |
| 153 this.cppSide_.backPointerResponse(createEchoArgsList(arg)); |
| 154 |
| 155 core.close(messagePipe.handle0); |
| 156 iteration += 1; |
| 157 } |
| 158 |
| 159 proto.accept = proto.realAccept; |
| 160 proto.realAccept = null; |
| 161 this.cppSide_.testFinished(); |
| 162 }; |
| 163 |
| 164 function writeDataPipe(pipe, data) { |
| 165 var writeResult = core.writeData( |
| 166 pipe.producerHandle, data, core.WRITE_DATA_FLAG_ALL_OR_NONE); |
| 167 |
| 168 if (writeResult.result != core.RESULT_OK) { |
| 169 console.log('ERROR: Data pipe write result was ' + writeResult.result); |
| 170 return false; |
| 171 } |
| 172 if (writeResult.numBytes != data.length) { |
| 173 console.log('ERROR: Data pipe write length was ' + writeResult.numBytes); |
| 174 return false; |
| 175 } |
| 176 return true; |
| 177 } |
| 178 |
| 179 function writeMessagePipe(pipe, arrayBuffer) { |
| 180 var result = core.writeMessage(pipe.handle0, arrayBuffer, [], 0); |
| 181 if (result != core.RESULT_OK) { |
| 182 console.log('ERROR: Message pipe write result was ' + result); |
| 183 return false; |
| 184 } |
| 185 return true; |
| 186 } |
| 187 |
| 188 function createEchoArgsListElement(item, next) { |
| 189 var list = new jsToCpp.EchoArgsList(); |
| 190 list.item = item; |
| 191 list.next = next; |
| 192 return list; |
| 193 } |
| 194 |
| 195 function createEchoArgsList() { |
| 196 var genuineArray = Array.prototype.slice.call(arguments); |
| 197 return genuineArray.reduceRight(function (previous, current) { |
| 198 return createEchoArgsListElement(current, previous); |
| 199 }, null); |
| 200 } |
| 201 |
| 202 return function(jsSideRequestHandle) { |
| 203 var i; |
| 204 sampleData = new Uint8Array(DATA_PIPE_PARAMS.capacityNumBytes); |
| 205 for (i = 0; i < sampleData.length; ++i) { |
| 206 sampleData[i] = i; |
| 207 } |
| 208 sampleMessage = new Uint8Array(DATA_PIPE_PARAMS.capacityNumBytes); |
| 209 for (i = 0; i < sampleMessage.length; ++i) { |
| 210 sampleMessage[i] = 255 - i; |
| 211 } |
| 212 retainedJsSide = new JsSideConnection; |
| 213 retainedJsSide.binding.bind(jsSideRequestHandle); |
| 214 }; |
| 215 }); |
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