104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "gtest/gtest.h"
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#include "Helpers.h"
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#include "mozilla/gtest/MozAssertions.h"
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#include "nsICloneableInputStream.h"
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#include "nsStringStream.h"
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#include "nsTArray.h"
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#include "nsIInputStream.h"
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#include "nsCOMPtr.h"
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#include "nsStreamUtils.h"
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#include "mozilla/Span.h"
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#include "nsISeekableStream.h"
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namespace {
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static void TestStringStream(uint32_t aNumBytes) {
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nsTArray<char> inputData;
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testing::CreateData(aNumBytes, inputData);
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nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());
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nsCOMPtr<nsIInputStream> stream;
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nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), inputString);
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ASSERT_NS_SUCCEEDED(rv);
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testing::ConsumeAndValidateStream(stream, inputString);
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}
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static void TestStringStreamClone(uint32_t aNumBytes) {
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nsTArray<char> inputData;
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testing::CreateData(aNumBytes, inputData);
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nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());
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nsCOMPtr<nsIInputStream> stream;
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nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), inputString);
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ASSERT_NS_SUCCEEDED(rv);
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nsCOMPtr<nsICloneableInputStream> cloneable = do_QueryInterface(stream);
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ASSERT_TRUE(cloneable != nullptr);
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ASSERT_TRUE(cloneable->GetCloneable());
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nsCOMPtr<nsIInputStream> clone;
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rv = cloneable->Clone(getter_AddRefs(clone));
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testing::ConsumeAndValidateStream(stream, inputString);
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// Release the stream to verify that the clone's string survives correctly.
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stream = nullptr;
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testing::ConsumeAndValidateStream(clone, inputString);
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}
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} // namespace
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TEST(StringStream, Simple_4k)
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{
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TestStringStream(1024 * 4);
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}
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TEST(StringStream, Clone_4k)
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{
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TestStringStreamClone(1024 * 4);
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}
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static nsresult CloseStreamThenRead(nsIInputStream* aInStr, void* aClosure,
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const char* aBuffer, uint32_t aOffset,
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uint32_t aCount, uint32_t* aCountWritten) {
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// Closing the stream will free the data
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nsresult rv = aInStr->Close();
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if (NS_FAILED(rv)) {
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return rv;
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}
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// This will likely be allocated in the same slot as what we have in aBuffer
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char* newAlloc = moz_xstrdup("abcd");
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char* toBuf = static_cast<char*>(aClosure);
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memcpy(&toBuf[aOffset], aBuffer, aCount);
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*aCountWritten = aCount;
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free(newAlloc);
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return NS_OK;
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}
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TEST(StringStream, CancelInReadSegments)
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{
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char* buffer = moz_xstrdup("test");
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nsCOMPtr<nsIInputStream> stream;
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nsresult rv = NS_NewByteInputStream(
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getter_AddRefs(stream), mozilla::Span(buffer, 5), NS_ASSIGNMENT_ADOPT);
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ASSERT_NS_SUCCEEDED(rv);
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char buf[100];
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uint32_t count = 0;
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uint64_t available = 0;
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rv = stream->Available(&available);
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ASSERT_NS_SUCCEEDED(rv);
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rv = stream->ReadSegments(CloseStreamThenRead, buf, available, &count);
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ASSERT_NS_SUCCEEDED(rv);
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ASSERT_TRUE(count == 5);
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ASSERT_TRUE(!strcmp(buf, "test"));
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}
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