42     TemporaryFile tf;  in TEST()  local
43     ASSERT_TRUE(tf.fd != -1);  in TEST()
44     EXPECT_TRUE(WriteFile(tf.path, s)) << strerror(errno);  in TEST()
45     EXPECT_NE(-1, fchmodat(AT_FDCWD, tf.path, 0620, AT_SYMLINK_NOFOLLOW)) << strerror(errno);  in TEST()
46     auto file_contents = ReadFile(tf.path);  in TEST()
53     TemporaryFile tf;  in TEST()  local
54     ASSERT_TRUE(tf.fd != -1);  in TEST()
55     EXPECT_TRUE(WriteFile(tf.path, s)) << strerror(errno);  in TEST()
56     EXPECT_NE(-1, fchmodat(AT_FDCWD, tf.path, 0602, AT_SYMLINK_NOFOLLOW)) << strerror(errno);  in TEST()
57     auto file_contents = ReadFile(tf.path);  in TEST()
87     TemporaryFile tf;  in TEST()  local
88     ASSERT_TRUE(tf.fd != -1);  in TEST()
89     EXPECT_TRUE(WriteFile(tf.path, contents)) << strerror(errno);  in TEST()
91     auto read_back_contents = ReadFile(tf.path);  in TEST()
114     TemporaryFile tf;  in TEST()  local
115     ASSERT_TRUE(tf.fd != -1);  in TEST()
116     EXPECT_TRUE(WriteFile(tf.path, "1hello1")) << strerror(errno);  in TEST()
117     auto file_contents = ReadFile(tf.path);  in TEST()
120     EXPECT_TRUE(WriteFile(tf.path, "2ll2"));  in TEST()
121     file_contents = ReadFile(tf.path);  in TEST()
143     TemporaryFile tf;  in TEST()  local
144     EXPECT_FALSE(is_dir(tf.path));  in TEST()