8a0b196e22
Linux-specific, shuffle the files around a bit. (The implementation is actually POSIX-specific, but it's currently only used on Linux.) R=blundell@chromium.org Review URL: https://breakpad.appspot.com/804002 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1240 4c0a9323-5329-0410-9bdc-e9ce6186880e
165 lines
4.4 KiB
C++
165 lines
4.4 KiB
C++
// Copyright (c) 2013, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include "breakpad_googletest_includes.h"
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#include "client/linux/minidump_writer/cpu_set.h"
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#include "common/linux/tests/auto_testfile.h"
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using namespace google_breakpad;
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namespace {
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typedef testing::Test CpuSetTest;
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// Helper class to write test text file to a temporary file and return
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// its file descriptor.
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class ScopedTestFile : public AutoTestFile {
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public:
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explicit ScopedTestFile(const char* text)
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: AutoTestFile("cpu_set", text) {
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}
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};
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}
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TEST(CpuSetTest, EmptyCount) {
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CpuSet set;
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ASSERT_EQ(0, set.GetCount());
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}
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TEST(CpuSetTest, OneCpu) {
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ScopedTestFile file("10");
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ASSERT_TRUE(file.IsOk());
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CpuSet set;
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ASSERT_TRUE(set.ParseSysFile(file.GetFd()));
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ASSERT_EQ(1, set.GetCount());
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}
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TEST(CpuSetTest, OneCpuTerminated) {
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ScopedTestFile file("10\n");
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ASSERT_TRUE(file.IsOk());
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CpuSet set;
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ASSERT_TRUE(set.ParseSysFile(file.GetFd()));
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ASSERT_EQ(1, set.GetCount());
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}
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TEST(CpuSetTest, TwoCpusWithComma) {
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ScopedTestFile file("1,10");
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ASSERT_TRUE(file.IsOk());
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CpuSet set;
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ASSERT_TRUE(set.ParseSysFile(file.GetFd()));
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ASSERT_EQ(2, set.GetCount());
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}
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TEST(CpuSetTest, TwoCpusWithRange) {
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ScopedTestFile file("1-2");
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ASSERT_TRUE(file.IsOk());
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CpuSet set;
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ASSERT_TRUE(set.ParseSysFile(file.GetFd()));
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ASSERT_EQ(2, set.GetCount());
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}
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TEST(CpuSetTest, TenCpusWithRange) {
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ScopedTestFile file("9-18");
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ASSERT_TRUE(file.IsOk());
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CpuSet set;
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ASSERT_TRUE(set.ParseSysFile(file.GetFd()));
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ASSERT_EQ(10, set.GetCount());
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}
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TEST(CpuSetTest, MultiItems) {
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ScopedTestFile file("0, 2-4, 128");
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ASSERT_TRUE(file.IsOk());
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CpuSet set;
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ASSERT_TRUE(set.ParseSysFile(file.GetFd()));
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ASSERT_EQ(5, set.GetCount());
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}
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TEST(CpuSetTest, IntersectWith) {
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ScopedTestFile file1("9-19");
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ASSERT_TRUE(file1.IsOk());
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CpuSet set1;
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ASSERT_TRUE(set1.ParseSysFile(file1.GetFd()));
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ASSERT_EQ(11, set1.GetCount());
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ScopedTestFile file2("16-24");
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ASSERT_TRUE(file2.IsOk());
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CpuSet set2;
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ASSERT_TRUE(set2.ParseSysFile(file2.GetFd()));
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ASSERT_EQ(9, set2.GetCount());
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set1.IntersectWith(set2);
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ASSERT_EQ(4, set1.GetCount());
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ASSERT_EQ(9, set2.GetCount());
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}
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TEST(CpuSetTest, SelfIntersection) {
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ScopedTestFile file1("9-19");
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ASSERT_TRUE(file1.IsOk());
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CpuSet set1;
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ASSERT_TRUE(set1.ParseSysFile(file1.GetFd()));
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ASSERT_EQ(11, set1.GetCount());
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set1.IntersectWith(set1);
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ASSERT_EQ(11, set1.GetCount());
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}
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TEST(CpuSetTest, EmptyIntersection) {
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ScopedTestFile file1("0-19");
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ASSERT_TRUE(file1.IsOk());
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CpuSet set1;
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ASSERT_TRUE(set1.ParseSysFile(file1.GetFd()));
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ASSERT_EQ(20, set1.GetCount());
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ScopedTestFile file2("20-39");
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ASSERT_TRUE(file2.IsOk());
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CpuSet set2;
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ASSERT_TRUE(set2.ParseSysFile(file2.GetFd()));
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ASSERT_EQ(20, set2.GetCount());
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set1.IntersectWith(set2);
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ASSERT_EQ(0, set1.GetCount());
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ASSERT_EQ(20, set2.GetCount());
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}
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