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tests/prime: more paranoia

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- check the old contents first in check_bo
- drop all GEM handles for the re-import test
This commit is contained in:
Daniel Vetter 2012-07-23 10:06:25 +02:00
parent 796f6193c9
commit 5d9e22366b
1 changed files with 12 additions and 2 deletions
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14
tests/prime_self_import.c
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@ -53,19 +53,26 @@ check_bo(int fd1, uint32_t handle1, int fd2, uint32_t handle2)
{ {
char *ptr1, *ptr2; char *ptr1, *ptr2;
static char counter = 0; static char counter = 0;
int i;
ptr1 = gem_mmap(fd1, handle1, BO_SIZE, PROT_READ | PROT_WRITE); ptr1 = gem_mmap(fd1, handle1, BO_SIZE, PROT_READ | PROT_WRITE);
ptr2 = gem_mmap(fd2, handle2, BO_SIZE, PROT_READ | PROT_WRITE); ptr2 = gem_mmap(fd2, handle2, BO_SIZE, PROT_READ | PROT_WRITE);
assert(ptr1); assert(ptr1);
/* check whether it's still our old object first. */
for (i = 0; i < BO_SIZE; i++) {
assert(ptr1[i] == 0);
assert(ptr2[i] == 0);
}
counter++;
memset(ptr1, counter, BO_SIZE); memset(ptr1, counter, BO_SIZE);
assert(memcmp(ptr1, ptr2, BO_SIZE) == 0); assert(memcmp(ptr1, ptr2, BO_SIZE) == 0);
munmap(ptr1, BO_SIZE); munmap(ptr1, BO_SIZE);
munmap(ptr2, BO_SIZE); munmap(ptr2, BO_SIZE);
counter++;
} }
int main(int argc, char **argv) int main(int argc, char **argv)
@ -102,7 +109,10 @@ int main(int argc, char **argv)
/* re-import into old exporter */ /* re-import into old exporter */
dma_buf_fd = prime_handle_to_fd(fd2, handle_import1); dma_buf_fd = prime_handle_to_fd(fd2, handle_import1);
/* but drop all references to the obj in between */
gem_close(fd2, handle_import1);
handle = prime_fd_to_handle(fd1, dma_buf_fd); handle = prime_fd_to_handle(fd1, dma_buf_fd);
handle_import1 = prime_fd_to_handle(fd2, dma_buf_fd);
check_bo(fd1, handle, fd2, handle_import1); check_bo(fd1, handle, fd2, handle_import1);
/* Completely rip out exporting fd. */ /* Completely rip out exporting fd. */