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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
define('mojo/apps/js/test/js_to_cpp_unittest', [
'console',
'mojo/apps/js/test/js_to_cpp.mojom',
'mojo/public/js/bindings/connection',
'mojo/public/js/bindings/connector',
'mojo/public/js/bindings/core',
], function (console, jsToCpp, connection, connector, core) {
var retainedConnection;
var sampleData;
var sampleMessage;
var BAD_VALUE = 13;
var DATA_PIPE_PARAMS = {
flags: core.CREATE_DATA_PIPE_OPTIONS_FLAG_NONE,
elementNumBytes: 1,
capacityNumBytes: 64
};
function JsSideConnection(cppSide) {
this.cppSide_ = cppSide;
cppSide.startTest();
}
JsSideConnection.prototype =
Object.create(jsToCpp.JsSide.stubClass.prototype);
JsSideConnection.prototype.ping = function (arg) {
this.cppSide_.pingResponse();
};
JsSideConnection.prototype.echo = function (numIterations, arg) {
var dataPipe1;
var dataPipe2;
var i;
var messagePipe1;
var messagePipe2;
var specialArg;
// Ensure expected negative values are negative.
if (arg.si64 > 0)
arg.si64 = BAD_VALUE;
if (arg.si32 > 0)
arg.si32 = BAD_VALUE;
if (arg.si16 > 0)
arg.si16 = BAD_VALUE;
if (arg.si8 > 0)
arg.si8 = BAD_VALUE;
for (i = 0; i < numIterations; ++i) {
dataPipe1 = core.createDataPipe(DATA_PIPE_PARAMS);
dataPipe2 = core.createDataPipe(DATA_PIPE_PARAMS);
messagePipe1 = core.createMessagePipe();
messagePipe2 = core.createMessagePipe();
arg.data_handle = dataPipe1.consumerHandle;
arg.message_handle = messagePipe1.handle1;
specialArg = new jsToCpp.EchoArgs();
specialArg.si64 = -1;
specialArg.si32 = -1;
specialArg.si16 = -1;
specialArg.si8 = -1;
specialArg.name = 'going';
specialArg.data_handle = dataPipe2.consumerHandle;
specialArg.message_handle = messagePipe2.handle1;
writeDataPipe(dataPipe1, sampleData);
writeDataPipe(dataPipe2, sampleData);
writeMessagePipe(messagePipe1, sampleMessage);
writeMessagePipe(messagePipe2, sampleMessage);
this.cppSide_.echoResponse(createEchoArgsList(specialArg, arg));
core.close(dataPipe1.producerHandle);
core.close(dataPipe2.producerHandle);
core.close(messagePipe1.handle0);
core.close(messagePipe2.handle0);
}
this.cppSide_.testFinished();
};
JsSideConnection.prototype.bitFlip = function (arg) {
var iteration = 0;
var dataPipe;
var messagePipe;
var proto = connector.Connector.prototype;
var stopSignalled = false;
proto.realAccept = proto.accept;
proto.accept = function (message) {
var offset = iteration / 8;
var mask;
var value;
if (offset < message.buffer.arrayBuffer.byteLength) {
mask = 1 << (iteration % 8);
value = message.buffer.getUint8(offset) ^ mask;
message.buffer.setUint8(offset, value);
return this.realAccept(message);
}
stopSignalled = true;
return false;
};
while (!stopSignalled) {
dataPipe = core.createDataPipe(DATA_PIPE_PARAMS);
messagePipe = core.createMessagePipe();
writeDataPipe(dataPipe, sampleData);
writeMessagePipe(messagePipe, sampleMessage);
arg.data_handle = dataPipe.consumerHandle;
arg.message_handle = messagePipe.handle1;
this.cppSide_.bitFlipResponse(createEchoArgsList(arg));
core.close(dataPipe.producerHandle);
core.close(messagePipe.handle0);
iteration += 1;
}
proto.accept = proto.realAccept;
proto.realAccept = null;
this.cppSide_.testFinished();
};
JsSideConnection.prototype.backPointer = function (arg) {
var iteration = 0;
var dataPipe;
var messagePipe;
var proto = connector.Connector.prototype;
var stopSignalled = false;
proto.realAccept = proto.accept;
proto.accept = function (message) {
var delta = 8 * (1 + iteration % 32);
var offset = 8 * ((iteration / 32) | 0);
if (offset < message.buffer.arrayBuffer.byteLength - 4) {
message.buffer.dataView.setUint32(offset, 0x100000000 - delta, true);
message.buffer.dataView.setUint32(offset + 4, 0xffffffff, true);
return this.realAccept(message);
}
stopSignalled = true;
return false;
};
while (!stopSignalled) {
dataPipe = core.createDataPipe(DATA_PIPE_PARAMS);
messagePipe = core.createMessagePipe();
writeDataPipe(dataPipe, sampleData);
writeMessagePipe(messagePipe, sampleMessage);
arg.data_handle = dataPipe.consumerHandle;
arg.message_handle = messagePipe.handle1;
this.cppSide_.backPointerResponse(createEchoArgsList(arg));
core.close(dataPipe.producerHandle);
core.close(messagePipe.handle0);
iteration += 1;
}
proto.accept = proto.realAccept;
proto.realAccept = null;
this.cppSide_.testFinished();
};
function writeDataPipe(pipe, data) {
var writeResult = core.writeData(
pipe.producerHandle, data, core.WRITE_DATA_FLAG_ALL_OR_NONE);
if (writeResult.result != core.RESULT_OK) {
console.log('ERROR: Data pipe write result was ' + writeResult.result);
return false;
}
if (writeResult.numBytes != data.length) {
console.log('ERROR: Data pipe write length was ' + writeResult.numBytes);
return false;
}
return true;
}
function writeMessagePipe(pipe, arrayBuffer) {
var result = core.writeMessage(pipe.handle0, arrayBuffer, [], 0);
if (result != core.RESULT_OK) {
console.log('ERROR: Message pipe write result was ' + result);
return false;
}
return true;
}
function createEchoArgsListElement(item, next) {
var list = new jsToCpp.EchoArgsList();
list.item = item;
list.next = next;
return list;
}
function createEchoArgsList() {
var genuineArray = Array.prototype.slice.call(arguments);
return genuineArray.reduceRight(function (previous, current) {
return createEchoArgsListElement(current, previous);
}, null);
}
return function(handle) {
var i;
sampleData = new Uint8Array(DATA_PIPE_PARAMS.capacityNumBytes);
for (i = 0; i < sampleData.length; ++i) {
sampleData[i] = i;
}
sampleMessage = new Uint8Array(DATA_PIPE_PARAMS.capacityNumBytes);
for (i = 0; i < sampleMessage.length; ++i) {
sampleMessage[i] = 255 - i;
}
retainedConnection = new connection.Connection(handle, JsSideConnection,
jsToCpp.CppSide.proxyClass);
};
});
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