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4efc830e53
First commit in a series of commits to wire up the test output path utility that adds a random directory in the path, for problematic tests that run in concurrent execution environments. Bug: webrtc:15833 Change-Id: I5e5b3940007be773d77dbbfc953efa810e4e3ea9 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/339522 Reviewed-by: Artem Titov <titovartem@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41738}
70 lines
2 KiB
C++
70 lines
2 KiB
C++
/*
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* Copyright 2021 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/system/file_wrapper.h"
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#include "rtc_base/checks.h"
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#include "test/gtest.h"
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#include "test/testsupport/file_utils.h"
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namespace webrtc {
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TEST(FileWrapper, FileSize) {
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auto test_info = ::testing::UnitTest::GetInstance()->current_test_info();
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std::string test_name =
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std::string(test_info->test_case_name()) + "_" + test_info->name();
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std::replace(test_name.begin(), test_name.end(), '/', '_');
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const std::string temp_filename =
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test::OutputPathWithRandomDirectory() + test_name;
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// Write
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{
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FileWrapper file = FileWrapper::OpenWriteOnly(temp_filename);
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ASSERT_TRUE(file.is_open());
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EXPECT_EQ(file.FileSize(), 0);
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EXPECT_TRUE(file.Write("foo", 3));
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EXPECT_EQ(file.FileSize(), 3);
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// FileSize() doesn't change the file size.
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EXPECT_EQ(file.FileSize(), 3);
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// FileSize() doesn't move the write position.
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EXPECT_TRUE(file.Write("bar", 3));
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EXPECT_EQ(file.FileSize(), 6);
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}
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// Read
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{
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FileWrapper file = FileWrapper::OpenReadOnly(temp_filename);
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ASSERT_TRUE(file.is_open());
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EXPECT_EQ(file.FileSize(), 6);
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char buf[10];
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size_t bytes_read = file.Read(buf, 3);
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EXPECT_EQ(bytes_read, 3u);
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EXPECT_EQ(memcmp(buf, "foo", 3), 0);
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// FileSize() doesn't move the read position.
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EXPECT_EQ(file.FileSize(), 6);
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// Attempting to read past the end reads what is available
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// and sets the EOF flag.
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bytes_read = file.Read(buf, 5);
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EXPECT_EQ(bytes_read, 3u);
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EXPECT_EQ(memcmp(buf, "bar", 3), 0);
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EXPECT_TRUE(file.ReadEof());
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}
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// Clean up temporary file.
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remove(temp_filename.c_str());
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}
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} // namespace webrtc
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