diff options
Diffstat (limited to 'test/bloblist.c')
| -rw-r--r-- | test/bloblist.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/test/bloblist.c b/test/bloblist.c index d876b63918..345eb181ff 100644 --- a/test/bloblist.c +++ b/test/bloblist.c @@ -33,6 +33,9 @@ enum { ERASE_BYTE = '\xff', }; +static const char test1_str[] = "the eyes are open"; +static const char test2_str[] = "the mouth moves"; + static struct bloblist_hdr *clear_bloblist(void) { struct bloblist_hdr *hdr; @@ -384,6 +387,195 @@ static int bloblist_test_reloc(struct unit_test_state *uts) } BLOBLIST_TEST(bloblist_test_reloc, 0); +/* Test expansion of a blob */ +static int bloblist_test_grow(struct unit_test_state *uts) +{ + const uint small_size = 0x20; + void *blob1, *blob2, *blob1_new; + struct bloblist_hdr *hdr; + void *ptr; + + ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE); + hdr = ptr; + memset(hdr, ERASE_BYTE, TEST_BLOBLIST_SIZE); + + /* Create two blobs */ + ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); + blob1 = bloblist_add(TEST_TAG, small_size, 0); + ut_assertnonnull(blob1); + ut_assertok(check_zero(blob1, small_size)); + strcpy(blob1, test1_str); + + blob2 = bloblist_add(TEST_TAG2, small_size, 0); + ut_assertnonnull(blob2); + strcpy(blob2, test2_str); + + ut_asserteq(sizeof(struct bloblist_hdr) + + sizeof(struct bloblist_rec) * 2 + small_size * 2, + hdr->alloced); + + /* Resize the first one */ + ut_assertok(bloblist_resize(TEST_TAG, small_size + 4)); + + /* The first one should not have moved, just got larger */ + blob1_new = bloblist_find(TEST_TAG, small_size + 4); + ut_asserteq_ptr(blob1, blob1_new); + + /* The new space should be zeroed */ + ut_assertok(check_zero(blob1 + small_size, 4)); + + /* The second one should have moved */ + blob2 = bloblist_find(TEST_TAG2, small_size); + ut_assertnonnull(blob2); + ut_asserteq_str(test2_str, blob2); + + /* The header should have more bytes in use */ + hdr = ptr; + ut_asserteq(sizeof(struct bloblist_hdr) + + sizeof(struct bloblist_rec) * 2 + small_size * 2 + + BLOBLIST_ALIGN, + hdr->alloced); + + return 0; +} +BLOBLIST_TEST(bloblist_test_grow, 0); + +/* Test shrinking of a blob */ +static int bloblist_test_shrink(struct unit_test_state *uts) +{ + const uint small_size = 0x20; + void *blob1, *blob2, *blob1_new; + struct bloblist_hdr *hdr; + int new_size; + void *ptr; + + ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE); + + /* Create two blobs */ + ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); + blob1 = bloblist_add(TEST_TAG, small_size, 0); + ut_assertnonnull(blob1); + strcpy(blob1, test1_str); + + blob2 = bloblist_add(TEST_TAG2, small_size, 0); + ut_assertnonnull(blob2); + strcpy(blob2, test2_str); + + hdr = ptr; + ut_asserteq(sizeof(struct bloblist_hdr) + + sizeof(struct bloblist_rec) * 2 + small_size * 2, + hdr->alloced); + + /* Resize the first one */ + new_size = small_size - BLOBLIST_ALIGN - 4; + ut_assertok(bloblist_resize(TEST_TAG, new_size)); + + /* The first one should not have moved, just got smaller */ + blob1_new = bloblist_find(TEST_TAG, new_size); + ut_asserteq_ptr(blob1, blob1_new); + + /* The second one should have moved */ + blob2 = bloblist_find(TEST_TAG2, small_size); + ut_assertnonnull(blob2); + ut_asserteq_str(test2_str, blob2); + + /* The header should have fewer bytes in use */ + hdr = ptr; + ut_asserteq(sizeof(struct bloblist_hdr) + + sizeof(struct bloblist_rec) * 2 + small_size * 2 - + BLOBLIST_ALIGN, + hdr->alloced); + + return 0; +} +BLOBLIST_TEST(bloblist_test_shrink, 0); + +/* Test failing to adjust a blob size */ +static int bloblist_test_resize_fail(struct unit_test_state *uts) +{ + const uint small_size = 0x20; + struct bloblist_hdr *hdr; + void *blob1, *blob2; + int new_size; + void *ptr; + + ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE); + + /* Create two blobs */ + ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); + blob1 = bloblist_add(TEST_TAG, small_size, 0); + ut_assertnonnull(blob1); + + blob2 = bloblist_add(TEST_TAG2, small_size, 0); + ut_assertnonnull(blob2); + + hdr = ptr; + ut_asserteq(sizeof(struct bloblist_hdr) + + sizeof(struct bloblist_rec) * 2 + small_size * 2, + hdr->alloced); + + /* Resize the first one, to check the boundary conditions */ + ut_asserteq(-EINVAL, bloblist_resize(TEST_TAG, -1)); + + new_size = small_size + (hdr->size - hdr->alloced); + ut_asserteq(-ENOSPC, bloblist_resize(TEST_TAG, new_size + 1)); + ut_assertok(bloblist_resize(TEST_TAG, new_size)); + + return 0; +} +BLOBLIST_TEST(bloblist_test_resize_fail, 0); + +/* Test expanding the last blob in a bloblist */ +static int bloblist_test_resize_last(struct unit_test_state *uts) +{ + const uint small_size = 0x20; + struct bloblist_hdr *hdr; + void *blob1, *blob2, *blob2_new; + int alloced_val; + void *ptr; + + ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE); + memset(ptr, ERASE_BYTE, TEST_BLOBLIST_SIZE); + hdr = ptr; + + /* Create two blobs */ + ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); + blob1 = bloblist_add(TEST_TAG, small_size, 0); + ut_assertnonnull(blob1); + + blob2 = bloblist_add(TEST_TAG2, small_size, 0); + ut_assertnonnull(blob2); + + /* Check the byte after the last blob */ + alloced_val = sizeof(struct bloblist_hdr) + + sizeof(struct bloblist_rec) * 2 + small_size * 2; + ut_asserteq(alloced_val, hdr->alloced); + ut_asserteq_ptr((void *)hdr + alloced_val, blob2 + small_size); + ut_asserteq((u8)ERASE_BYTE, *((u8 *)hdr + hdr->alloced)); + + /* Resize the second one, checking nothing changes */ + ut_asserteq(0, bloblist_resize(TEST_TAG2, small_size + 4)); + + blob2_new = bloblist_find(TEST_TAG2, small_size + 4); + ut_asserteq_ptr(blob2, blob2_new); + + /* + * the new blob should encompass the byte we checked now, so it should + * be zeroed. This zeroing should affect only the four new bytes added + * to the blob. + */ + ut_asserteq(0, *((u8 *)hdr + alloced_val)); + ut_asserteq((u8)ERASE_BYTE, *((u8 *)hdr + alloced_val + 4)); + + /* Check that the new top of the allocated blobs has not been touched */ + alloced_val += BLOBLIST_ALIGN; + ut_asserteq(alloced_val, hdr->alloced); + ut_asserteq((u8)ERASE_BYTE, *((u8 *)hdr + hdr->alloced)); + + return 0; +} +BLOBLIST_TEST(bloblist_test_resize_last, 0); + int do_ut_bloblist(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { |