gecko-dev/xpcom/tests/TestPipe.cpp

117 строки
2.9 KiB
C++
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2012-05-21 15:12:37 +04:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TestHarness.h"
#include "nsIPipe.h"
#include "nsIMemory.h"
#include "mozilla/Attributes.h"
#include "nsIAsyncInputStream.h"
#include "nsIAsyncOutputStream.h"
/** NS_NewPipe2 reimplemented, because it's not exported by XPCOM */
nsresult TP_NewPipe2(nsIAsyncInputStream** input,
nsIAsyncOutputStream** output,
bool nonBlockingInput,
bool nonBlockingOutput,
uint32_t segmentSize,
uint32_t segmentCount)
{
nsCOMPtr<nsIPipe> pipe = do_CreateInstance("@mozilla.org/pipe;1");
if (!pipe)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = pipe->Init(nonBlockingInput,
nonBlockingOutput,
segmentSize,
segmentCount);
if (NS_FAILED(rv))
return rv;
pipe->GetInputStream(input);
pipe->GetOutputStream(output);
return NS_OK;
}
nsresult TestPipe()
{
const uint32_t SEGMENT_COUNT = 10;
const uint32_t SEGMENT_SIZE = 10;
nsCOMPtr<nsIAsyncInputStream> input;
nsCOMPtr<nsIAsyncOutputStream> output;
nsresult rv = TP_NewPipe2(getter_AddRefs(input),
getter_AddRefs(output),
false,
false,
SEGMENT_SIZE, SEGMENT_COUNT);
if (NS_FAILED(rv))
{
fail("TP_NewPipe2 failed: %x", rv);
return rv;
}
const uint32_t BUFFER_LENGTH = 100;
const char written[] =
"0123456789"
"1123456789"
"2123456789"
"3123456789"
"4123456789"
"5123456789"
"6123456789"
"7123456789"
"8123456789"
"9123456789"; // not just a memset, to ensure the allocator works correctly
if (sizeof(written) < BUFFER_LENGTH)
{
fail("test error with string size");
return NS_ERROR_FAILURE;
}
uint32_t writeCount;
rv = output->Write(written, BUFFER_LENGTH, &writeCount);
if (NS_FAILED(rv) || writeCount != BUFFER_LENGTH)
{
fail("writing %d bytes (wrote %d bytes) to output failed: %x",
BUFFER_LENGTH, writeCount, rv);
return rv;
}
char read[BUFFER_LENGTH];
uint32_t readCount;
rv = input->Read(read, BUFFER_LENGTH, &readCount);
if (NS_FAILED(rv) || readCount != BUFFER_LENGTH)
{
fail("reading %d bytes (got %d bytes) from input failed: %x",
BUFFER_LENGTH, readCount, rv);
return rv;
}
if (0 != memcmp(written, read, BUFFER_LENGTH))
{
fail("didn't read the written data correctly!");
return NS_ERROR_FAILURE;
}
passed("TestPipe");
return NS_OK;
}
int main(int argc, char** argv)
{
ScopedXPCOM xpcom("nsPipe");
if (xpcom.failed())
return 1;
int rv = 0;
if (NS_FAILED(TestPipe()))
rv = 1;
return rv;
}