scoped_pipe_unittest.cc
1 // Copyright 2022 Google LLC 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 7 // * Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above 10 // copyright notice, this list of conditions and the following disclaimer 11 // in the documentation and/or other materials provided with the 12 // distribution. 13 // * Neither the name of Google LLC nor the names of its 14 // contributors may be used to endorse or promote products derived from 15 // this software without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 // scoped_pipe_unittest.cc: Unit tests for google_breakpad::ScopedPipe. 30 31 #ifdef HAVE_CONFIG_H 32 #include <config.h> // Must come first 33 #endif 34 35 #include "common/linux/scoped_pipe.h" 36 37 #include "breakpad_googletest_includes.h" 38 39 namespace google_breakpad { 40 41 TEST(ScopedPipeTest, WriteAndClose) { 42 const char kTestData[] = "One\nTwo\nThree"; 43 ScopedPipe pipe; 44 std::string line; 45 46 ASSERT_TRUE(pipe.Init()); 47 ASSERT_TRUE(pipe.WriteForTesting(kTestData, strlen(kTestData))); 48 pipe.CloseWriteFd(); 49 50 ASSERT_TRUE(pipe.ReadLine(line)); 51 ASSERT_EQ(line, "One"); 52 ASSERT_TRUE(pipe.ReadLine(line)); 53 ASSERT_EQ(line, "Two"); 54 ASSERT_TRUE(pipe.ReadLine(line)); 55 ASSERT_EQ(line, "Three"); 56 ASSERT_FALSE(pipe.ReadLine(line)); 57 } 58 59 TEST(ScopedPipeTest, MultipleWrites) { 60 const char kTestDataOne[] = "One\n"; 61 const char kTestDataTwo[] = "Two\n"; 62 ScopedPipe pipe; 63 std::string line; 64 65 ASSERT_TRUE(pipe.Init()); 66 ASSERT_TRUE(pipe.WriteForTesting(kTestDataOne, strlen(kTestDataOne))); 67 ASSERT_TRUE(pipe.ReadLine(line)); 68 ASSERT_EQ(line, "One"); 69 70 ASSERT_TRUE(pipe.WriteForTesting(kTestDataTwo, strlen(kTestDataTwo))); 71 ASSERT_TRUE(pipe.ReadLine(line)); 72 ASSERT_EQ(line, "Two"); 73 } 74 75 } // namespace google_breakpad