Function TEST

test/popen_unittest.cpp:36–66

};

TEST(PopenTest, posix_popen) {
    std::ostringstream oss;
    int rc = butil::read_command_output_through_popen(oss, "echo \"Hello World\"");
    ASSERT_EQ(0, rc) << berror(errno);
    ASSERT_EQ("Hello World\n", oss.str());

    oss.str("");
    rc = butil::read_command_output_through_popen(oss, "exit 1");
    EXPECT_EQ(1, rc) << berror(errno);
    ASSERT_TRUE(oss.str().empty()) << oss.str();
    oss.str("");
    rc = butil::read_command_output_through_popen(oss, "kill -9 $$");
    ASSERT_EQ(-1, rc);
    ASSERT_EQ(errno, ECHILD);
    ASSERT_TRUE(butil::StringPiece(oss.str()).ends_with("was killed by signal 9"));
    oss.str("");
    rc = butil::read_command_output_through_popen(oss, "kill -15 $$");
    ASSERT_EQ(-1, rc);
    ASSERT_EQ(errno, ECHILD);
    ASSERT_TRUE(butil::StringPiece(oss.str()).ends_with("was killed by signal 15"));

    // TODO(zhujiashun): Fix this in macos
    /*
    oss.str("");
     ASSERT_EQ(0, butil::read_command_output_through_popen(oss, "for i in `seq 1 100000`; do echo -n '=' ; done"));
    ASSERT_EQ(100000u, oss.str().length());
    std::string expected;
    expected.resize(100000, '=');
    ASSERT_EQ(expected, oss.str());
    */
}

#if defined(OS_LINUX)