23   ::FILE *file = __llvm_libc::fopen(FILENAME, "w");  in TEST()
24   ASSERT_FALSE(file == nullptr);  in TEST()
29   written = __llvm_libc::fprintf(file, simple);  in TEST()
33   written = __llvm_libc::fprintf(file, "%s", numbers);  in TEST()
38   written = __llvm_libc::fprintf(file, format_more, short_numbers);  in TEST()
41   ASSERT_EQ(0, __llvm_libc::fclose(file));  in TEST()
43   file = __llvm_libc::fopen(FILENAME, "r");  in TEST()
44   ASSERT_FALSE(file == nullptr);  in TEST()
47   ASSERT_EQ(__llvm_libc::fread(data, 1, sizeof(simple) - 1, file),  in TEST()
51   ASSERT_EQ(__llvm_libc::fread(data, 1, sizeof(numbers) - 1, file),  in TEST()
56                 data, 1, sizeof(format_more) + sizeof(short_numbers) - 4, file),  in TEST()
61   ASSERT_EQ(__llvm_libc::ferror(file), 0);  in TEST()
64       __llvm_libc::fprintf(file, "Writing to a read only file should fail.");  in TEST()
67   ASSERT_EQ(__llvm_libc::fclose(file), 0);  in TEST()