#include <unistd.h> #include <utest.h> static void test_isatty(void) { int i = 0; for (i = 0; i < 3; i++) /* 3: Number of terminals */ { uassert_int_equal(isatty(i), 1); } for (i = 3; i < 32; i++) /* 32: DFS_FD_MAX */ { uassert_int_equal(isatty(i), 0); } } static void testcase(void) { UTEST_UNIT_RUN(test_isatty); } UTEST_TC_EXPORT(testcase, "posix.unistd_h.isatty_tc.c", RT_NULL, RT_NULL, 10);