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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
/* Helper routines for xpcom gtests. */
#include "Helpers.h"
#include <algorithm>
#include "gtest/gtest.h"
#include "nsIOutputStream.h"
#include "nsStreamUtils.h"
#include "nsTArray.h"
namespace testing {
// Populate an array with the given number of bytes. Data is lorem ipsum
// random text, but deterministic across multiple calls.
void
CreateData(uint32_t aNumBytes, nsTArray<char>& aDataOut)
{
static const char data[] =
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec egestas "
"purus eu condimentum iaculis. In accumsan leo eget odio porttitor, non "
"rhoncus nulla vestibulum. Etiam lacinia consectetur nisl nec "
"sollicitudin. Sed fringilla accumsan diam, pulvinar varius massa. Duis "
"mollis dignissim felis, eget tempus nisi tristique ut. Fusce euismod, "
"lectus non lacinia tempor, tellus diam suscipit quam, eget hendrerit "
"lacus nunc fringilla ante. Sed ultrices massa vitae risus molestie, ut "
"finibus quam laoreet nullam.";
static const uint32_t dataLength = sizeof(data) - 1;
aDataOut.SetCapacity(aNumBytes);
while (aNumBytes > 0) {
uint32_t amount = std::min(dataLength, aNumBytes);
aDataOut.AppendElements(data, amount);
aNumBytes -= amount;
}
}
// Write the given number of bytes out to the stream. Loop until expected
// bytes count is reached or an error occurs.
void
Write(nsIOutputStream* aStream, const nsTArray<char>& aData, uint32_t aOffset,
uint32_t aNumBytes)
{
uint32_t remaining =
std::min(aNumBytes, static_cast<uint32_t>(aData.Length() - aOffset));
while (remaining > 0) {
uint32_t numWritten;
nsresult rv = aStream->Write(aData.Elements() + aOffset, remaining,
&numWritten);
ASSERT_TRUE(NS_SUCCEEDED(rv));
if (numWritten < 1) {
break;
}
aOffset += numWritten;
remaining -= numWritten;
}
}
// Write the given number of bytes and then close the stream.
void
WriteAllAndClose(nsIOutputStream* aStream, const nsTArray<char>& aData)
{
Write(aStream, aData, 0, aData.Length());
aStream->Close();
}
// Synchronously consume the given input stream and validate the resulting data
// against the given array of expected values.
void
ConsumeAndValidateStream(nsIInputStream* aStream,
const nsTArray<char>& aExpectedData)
{
nsDependentCSubstring data(aExpectedData.Elements(), aExpectedData.Length());
ConsumeAndValidateStream(aStream, data);
}
// Synchronously consume the given input stream and validate the resulting data
// against the given string of expected values.
void
ConsumeAndValidateStream(nsIInputStream* aStream,
const nsACString& aExpectedData)
{
nsAutoCString outputData;
nsresult rv = NS_ConsumeStream(aStream, UINT32_MAX, outputData);
ASSERT_TRUE(NS_SUCCEEDED(rv));
ASSERT_EQ(aExpectedData.Length(), outputData.Length());
ASSERT_TRUE(aExpectedData.Equals(outputData));
}
NS_IMPL_ISUPPORTS(OutputStreamCallback, nsIOutputStreamCallback);
OutputStreamCallback::OutputStreamCallback()
: mCalled(false)
{
}
OutputStreamCallback::~OutputStreamCallback()
{
}
NS_IMETHODIMP
OutputStreamCallback::OnOutputStreamReady(nsIAsyncOutputStream* aStream)
{
mCalled = true;
return NS_OK;
}
NS_IMPL_ISUPPORTS(InputStreamCallback, nsIInputStreamCallback);
InputStreamCallback::InputStreamCallback()
: mCalled(false)
{
}
InputStreamCallback::~InputStreamCallback()
{
}
NS_IMETHODIMP
InputStreamCallback::OnInputStreamReady(nsIAsyncInputStream* aStream)
{
mCalled = true;
return NS_OK;
}
} // namespace testing
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