diff options
Diffstat (limited to '02-usart/test_harness/test_harness.c')
-rw-r--r-- | 02-usart/test_harness/test_harness.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/02-usart/test_harness/test_harness.c b/02-usart/test_harness/test_harness.c deleted file mode 100644 index bf9249c..0000000 --- a/02-usart/test_harness/test_harness.c +++ /dev/null @@ -1,181 +0,0 @@ -#include "test_harness.h" -#include "fake_env.h" - -#include <assert.h> -#include <stdio.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <unistd.h> -#include <stdlib.h> -#include <setjmp.h> - - -static jmp_buf jmpbuf; - -volatile test_t dummy - __attribute((__section__("tests"))) - __attribute((__used__)) = { - "dummy", - "dummy", - NULL -}; - -extern unsigned char __data_start; -extern unsigned char _end; -extern test_t __start_tests; -extern test_t __stop_tests; - -test_t* iter = &__start_tests; - -static int execute_test(test_t* test); - -void test_printll(size_t sz, long long v1, long long v2) -{ - fprintf(stderr, "%lld == %lld\n", v1, v2); -} -void test_printul(size_t sz, unsigned long v1, unsigned long v2) -{ - fprintf(stderr, "%lu == %lu\n", v1, v2); -} -void test_printd(size_t sz, int v1, int v2) -{ - fprintf(stderr, "%d == %d\n", v1, v2); -} -void test_printl(size_t sz, long v1, long v2) -{ - fprintf(stderr, "%lu == %lu\n", v1, v2); -} -void test_printui(size_t sz, unsigned int v1, unsigned int v2) -{ - fprintf(stderr, "%u == %u\n", v1, v2); -} -void test_prints(size_t sz, short v1, short v2) -{ - fprintf(stderr, "%hu == %hu\n", v1, v2); -} -void test_printus(size_t sz, unsigned short v1, unsigned short v2) -{ - fprintf(stderr, "%hu == %hu\n", v1, v2); -} -void test_printc(size_t sz, char v1, char v2) -{ - fprintf(stderr, "'%c' == '%c'\n", v1, v2); -} -void test_printf(size_t sz, double v1, double v2) -{ - fprintf(stderr, "%f == %f\n", v1, v2); -} -void test_printp(size_t sz, void* v1, void* v2) -{ - fprintf(stderr, "%p == %p\n", v1, v2); -} -void test_printuc( - size_t sz, unsigned char v1, unsigned char v2) -{ - fprintf(stderr, "%02x == %02x\n", (int) v1, (int) v2); -} - -static int do_fork = 1; -static size_t saved_data_size; -static unsigned char* saved_data = NULL; - -int main(int argc, char** argv) { - /* Save all initialized data. */ - saved_data_size = &_end - &__data_start; - saved_data = malloc(saved_data_size); - memcpy(saved_data, &__data_start, saved_data_size); - - - if (argc > 1 && strcmp(argv[1], "--nofork") == 0) { - do_fork = 0; - } - - for( ; iter < &__stop_tests; ++ iter) { - if (iter->fn_ptr != NULL) { - execute_test(iter); - } - } -} - -void test_harness_abort(int ec) -{ - longjmp(jmpbuf, ec); - assert("Long jump failed.\n"); -} - -/* - * When nofork is true, this function will be called after each - * test to try and make each test hermetic. - * - * It does this by reseting the data segment to what it was when - * the program was first initialized. - * - * Of course, without forking, there's no way to guarantee hermetic - * testing in C. In fact a simple segementation fault will break - * the hermetic testing, but this does a pretty good job of at least - * reseting the environment so tests don't directly depend on eachother. - */ -static void nofork_reset() -{ - wipeout_fake_env(); - - /* Reset the data segment to what it was before. */ - memcpy(&__data_start, saved_data, saved_data_size); -} - -static int execute_test(test_t* test) -{ - char fullname[512]; - int status; - int ec = 0; - pid_t pid; - - snprintf( - fullname, sizeof(fullname), "%s::%s", iter->test_suite, iter->test_name); - - if (!do_fork) { - if ((ec = setjmp(jmpbuf)) == 0) { - test->fn_ptr(); - printf(GREEN "[PASS]" RESET " %s\n", fullname); - nofork_reset(); - return 0; - } else { - printf(RED "[FAIL] (%d)" RESET " %s\n", ec, fullname); - nofork_reset(); - return ec; - } - } - - if (!(pid = fork())) { - // child - - if ((ec = setjmp(jmpbuf))) { - exit(ec); - } else { - test->fn_ptr(); - exit(0); - } - } else { - if (waitpid(pid, &status, 0) == -1) { - fprintf(stderr, "waitpid() failed\n"); - return 1; - } - - if (WIFEXITED(status)) { - switch ((ec = WEXITSTATUS(status))) { - case 0: - printf(GREEN "[PASS]" RESET " %s\n", fullname); - return 0; - default: - printf(RED "[FAIL] (%d)" RESET " %s\n", ec, fullname); - return ec; - } - } else if (WIFSIGNALED(status)) { - int ec = WTERMSIG(status); - printf("%s " RED "[FAIL] signaled %d" RESET "\n", fullname, ec); - return ec; - } - - return ec; - } -} |