diff options
Diffstat (limited to 'libs/pixman-0.40.0/test/fence-image-self-test.c')
| -rw-r--r-- | libs/pixman-0.40.0/test/fence-image-self-test.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/libs/pixman-0.40.0/test/fence-image-self-test.c b/libs/pixman-0.40.0/test/fence-image-self-test.c deleted file mode 100644 index c80b3cf..0000000 --- a/libs/pixman-0.40.0/test/fence-image-self-test.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * Copyright © 2015 Raspberry Pi Foundation - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of the copyright holders not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. The copyright holders make no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "utils.h" - - -#if FENCE_MALLOC_ACTIVE && defined (HAVE_SIGACTION) - -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <errno.h> -#include <signal.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/wait.h> - -pixman_bool_t verbose; - -static void -segv_handler (int sig, siginfo_t *si, void *unused) -{ - _exit (EXIT_SUCCESS); -} - -static void -die (const char *msg, int err) -{ - if (err) - perror (msg); - else - fprintf (stderr, "%s\n", msg); - - abort (); -} - -static void -prinfo (const char *fmt, ...) -{ - va_list ap; - - if (!verbose) - return; - - va_start (ap, fmt); - vfprintf (stderr, fmt, ap); - va_end (ap); -} - -static void -do_expect_signal (void (*fn)(void *), void *data) -{ - struct sigaction sa; - - sa.sa_flags = SA_SIGINFO; - sigemptyset (&sa.sa_mask); - sa.sa_sigaction = segv_handler; - if (sigaction (SIGSEGV, &sa, NULL) == -1) - die ("sigaction failed", errno); - if (sigaction (SIGBUS, &sa, NULL) == -1) - die ("sigaction failed", errno); - - (*fn)(data); - - _exit (EXIT_FAILURE); -} - -/* Check that calling fn(data) causes a segmentation fault. - * - * You cannot portably return from a SIGSEGV handler in any way, - * so we fork, and do the test in the child process. Child's - * exit status will reflect the result. Its SEGV handler causes it - * to exit with success, and return failure otherwise. - */ -static pixman_bool_t -expect_signal (void (*fn)(void *), void *data) -{ - pid_t pid, wp; - int status; - - pid = fork (); - if (pid == -1) - die ("fork failed", errno); - - if (pid == 0) - do_expect_signal (fn, data); /* never returns */ - - wp = waitpid (pid, &status, 0); - if (wp != pid) - die ("waitpid did not work", wp == -1 ? errno : 0); - - if (WIFEXITED (status) && WEXITSTATUS (status) == EXIT_SUCCESS) - return TRUE; - - return FALSE; -} - -static void -read_u8 (void *data) -{ - volatile uint8_t *p = data; - - *p; -} - -static pixman_bool_t -test_read_fault (uint8_t *p, int offset) -{ - prinfo ("*(uint8_t *)(%p + %d)", p, offset); - - if (expect_signal (read_u8, p + offset)) - { - prinfo ("\tsignal OK\n"); - - return TRUE; - } - - prinfo ("\tFAILED\n"); - - return FALSE; -} - -static void -test_read_ok (uint8_t *p, int offset) -{ - prinfo ("*(uint8_t *)(%p + %d)", p, offset); - - /* If fails, SEGV. */ - read_u8 (p + offset); - - prinfo ("\tOK\n"); -} - -static pixman_bool_t -test_read_faults (pixman_image_t *image) -{ - pixman_bool_t ok = TRUE; - pixman_format_code_t format = pixman_image_get_format (image); - int width = pixman_image_get_width (image); - int height = pixman_image_get_height (image); - int stride = pixman_image_get_stride (image); - uint8_t *p = (void *)pixman_image_get_data (image); - int row_bytes = width * PIXMAN_FORMAT_BPP (format) / 8; - - prinfo ("%s %dx%d, row %d B, stride %d B:\n", - format_name (format), width, height, row_bytes, stride); - - assert (height > 3); - - test_read_ok (p, 0); - test_read_ok (p, row_bytes - 1); - test_read_ok (p, stride); - test_read_ok (p, stride + row_bytes - 1); - test_read_ok (p, 2 * stride); - test_read_ok (p, 2 * stride + row_bytes - 1); - test_read_ok (p, 3 * stride); - test_read_ok (p, (height - 1) * stride + row_bytes - 1); - - ok &= test_read_fault (p, -1); - ok &= test_read_fault (p, row_bytes); - ok &= test_read_fault (p, stride - 1); - ok &= test_read_fault (p, stride + row_bytes); - ok &= test_read_fault (p, 2 * stride - 1); - ok &= test_read_fault (p, 2 * stride + row_bytes); - ok &= test_read_fault (p, 3 * stride - 1); - ok &= test_read_fault (p, height * stride); - - return ok; -} - -static pixman_bool_t -test_image_faults (pixman_format_code_t format, int min_width, int height) -{ - pixman_bool_t ok; - pixman_image_t *image; - - image = fence_image_create_bits (format, min_width, height, TRUE); - ok = test_read_faults (image); - pixman_image_unref (image); - - return ok; -} - -int -main (int argc, char **argv) -{ - pixman_bool_t ok = TRUE; - - if (getenv ("VERBOSE") != NULL) - verbose = TRUE; - - ok &= test_image_faults (PIXMAN_a8r8g8b8, 7, 5); - ok &= test_image_faults (PIXMAN_r8g8b8, 7, 5); - ok &= test_image_faults (PIXMAN_r5g6b5, 7, 5); - ok &= test_image_faults (PIXMAN_a8, 7, 5); - ok &= test_image_faults (PIXMAN_a4, 7, 5); - ok &= test_image_faults (PIXMAN_a1, 7, 5); - - if (ok) - return EXIT_SUCCESS; - - return EXIT_FAILURE; -} - -#else /* FENCE_MALLOC_ACTIVE */ - -int -main (int argc, char **argv) -{ - /* Automake return code for test SKIP. */ - return 77; -} - -#endif /* FENCE_MALLOC_ACTIVE */ |