gecko/xpcom/tests/gtest/TestStringStream.cpp

63 lines
1.8 KiB
C++

/* -*- 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/. */
#include "gtest/gtest.h"
#include "Helpers.h"
#include "nsICloneableInputStream.h"
#include "nsStringStream.h"
namespace {
static void TestStringStream(uint32_t aNumBytes)
{
nsTArray<char> inputData;
testing::CreateData(aNumBytes, inputData);
nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());
nsCOMPtr<nsIInputStream> stream;
nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), inputString);
ASSERT_TRUE(NS_SUCCEEDED(rv));
testing::ConsumeAndValidateStream(stream, inputString);
}
static void TestStringStreamClone(uint32_t aNumBytes)
{
nsTArray<char> inputData;
testing::CreateData(aNumBytes, inputData);
nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());
nsCOMPtr<nsIInputStream> stream;
nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), inputString);
ASSERT_TRUE(NS_SUCCEEDED(rv));
nsCOMPtr<nsICloneableInputStream> cloneable = do_QueryInterface(stream);
ASSERT_TRUE(cloneable != nullptr);
ASSERT_TRUE(cloneable->GetCloneable());
nsCOMPtr<nsIInputStream> clone;
rv = cloneable->Clone(getter_AddRefs(clone));
testing::ConsumeAndValidateStream(stream, inputString);
// Release the stream to verify that the clone's string survives correctly.
stream = nullptr;
testing::ConsumeAndValidateStream(clone, inputString);
}
} // anonymous namespace
TEST(StringStream, Simple_4k)
{
TestStringStream(1024 * 4);
}
TEST(StringStream, Clone_4k)
{
TestStringStreamClone(1024 * 4);
}