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