40   ASSERT_EQ(0U, __fbufsize(fp));  in TEST()
45   ASSERT_EQ(1024U, __fbufsize(fp));  in TEST()
47   ASSERT_EQ(0, setvbuf(fp, buf, _IOFBF, 1));  in TEST()
48   ASSERT_EQ(1U, __fbufsize(fp));  in TEST()
50   ASSERT_EQ(0, setvbuf(fp, buf, _IOFBF, 8));  in TEST()
51   ASSERT_EQ(8U, __fbufsize(fp));  in TEST()
62   ASSERT_EQ(0, setvbuf(fp, buf, _IOLBF, sizeof(buf)));  in TEST()
71   ASSERT_EQ(0U, __fpending(fp));  in TEST()
72   ASSERT_EQ('x', fputc('x', fp));  in TEST()
73   ASSERT_EQ(1U, __fpending(fp));  in TEST()
74   ASSERT_EQ('y', fputc('y', fp));  in TEST()
75   ASSERT_EQ(2U, __fpending(fp));  in TEST()
77   ASSERT_EQ(0U, __fpending(fp));  in TEST()
89   ASSERT_EQ('h', fgetc(fp));  in TEST()
90   ASSERT_EQ(4u, __freadahead(fp));  in TEST()
92   ASSERT_EQ('H', ungetc('H', fp));  in TEST()
93   ASSERT_EQ(5u, __freadahead(fp));  in TEST()
102   ASSERT_EQ('a', fputc('a', fp));  in TEST()
103   ASSERT_EQ(1U, __fpending(fp));  in TEST()
105   ASSERT_EQ(0U, __fpending(fp));  in TEST()
107   ASSERT_EQ('b', fputc('b', fp));  in TEST()
108   ASSERT_EQ('\n', fputc('\n', fp));  in TEST()
109   ASSERT_EQ(2U, __fpending(fp));  in TEST()
125   ASSERT_EQ(0, setvbuf(fp, buf, _IOLBF, sizeof(buf)));  in TEST()
127   ASSERT_EQ('a', fputc('a', fp));  in TEST()
128   ASSERT_EQ(1U, __fpending(fp));  in TEST()
132   ASSERT_EQ(0U, __fpending(fp));  in TEST()
230   ASSERT_EQ(FSETLOCKING_INTERNAL, __fsetlocking(fp, FSETLOCKING_QUERY));  in TEST()
231   ASSERT_EQ(FSETLOCKING_INTERNAL, __fsetlocking(fp, FSETLOCKING_BYCALLER));  in TEST()
232   ASSERT_EQ(FSETLOCKING_BYCALLER, __fsetlocking(fp, FSETLOCKING_QUERY));  in TEST()
233   ASSERT_EQ(FSETLOCKING_BYCALLER, __fsetlocking(fp, FSETLOCKING_INTERNAL));  in TEST()
234   ASSERT_EQ(FSETLOCKING_INTERNAL, __fsetlocking(fp, FSETLOCKING_QUERY));  in TEST()
250   ASSERT_EQ(0, pthread_create(&thread, nullptr,  in TEST()
255   ASSERT_EQ(0, pthread_join(thread, nullptr));  in TEST()