37     TemporaryFile tf;  in TEST()  local
38     ASSERT_TRUE(tf.fd != -1);  in TEST()
39     EXPECT_TRUE(write_file(tf.path, s)) << strerror(errno);  in TEST()
40     EXPECT_NE(-1, fchmodat(AT_FDCWD, tf.path, 0620, AT_SYMLINK_NOFOLLOW)) << strerror(errno);  in TEST()
41     EXPECT_FALSE(read_file(tf.path, &s)) << strerror(errno);  in TEST()
47     TemporaryFile tf;  in TEST()  local
48     ASSERT_TRUE(tf.fd != -1);  in TEST()
49     EXPECT_TRUE(write_file(tf.path, s.c_str())) << strerror(errno);  in TEST()
50     EXPECT_NE(-1, fchmodat(AT_FDCWD, tf.path, 0602, AT_SYMLINK_NOFOLLOW)) << strerror(errno);  in TEST()
51     EXPECT_FALSE(read_file(tf.path, &s)) << strerror(errno);  in TEST()
80     TemporaryFile tf;  in TEST()  local
81     ASSERT_TRUE(tf.fd != -1);  in TEST()
82     EXPECT_TRUE(write_file(tf.path, contents)) << strerror(errno);  in TEST()
85     EXPECT_TRUE(read_file(tf.path, &read_back_contents)) << strerror(errno);  in TEST()
108     TemporaryFile tf;  in TEST()  local
109     ASSERT_TRUE(tf.fd != -1);  in TEST()
110     EXPECT_TRUE(write_file(tf.path, "1hello1")) << strerror(errno);  in TEST()
111     EXPECT_TRUE(read_file(tf.path, &s2));  in TEST()
113     EXPECT_TRUE(write_file(tf.path, "2ll2"));  in TEST()
114     EXPECT_TRUE(read_file(tf.path, &s2));  in TEST()