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util/cache: test simple cache put and get between instances 

To make sure we are not just using the in-memory cache index for
the single file cache, we test adding and retriving cache items
between two different cache instances.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12925>
This commit is contained in:
Timothy Arceri 2021-09-18 00:51:25 +10:00 committed by Marge Bot
parent e043b97704
commit 7188e7c87d
1 changed files with 65 additions and 0 deletions
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65
src/util/tests/cache/cache_test.c vendored
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@ -524,6 +524,69 @@ test_put_key_and_get_key(void)
disk_cache_destroy(cache);
}
/* To make sure we are not just using the inmemory cache index for the single
* file cache we test adding and retriving cache items between two different
* cache instances.
*/
static void
test_put_and_get_between_instances()
{
char blob[] = "This is a blob of thirty-seven bytes";
uint8_t blob_key[20];
char string[] = "While this string has thirty-four";
uint8_t string_key[20];
char *result;
size_t size;
#ifdef SHADER_CACHE_DISABLE_BY_DEFAULT
setenv("MESA_GLSL_CACHE_DISABLE", "false", 1);
#endif /* SHADER_CACHE_DISABLE_BY_DEFAULT */
struct disk_cache *cache1 = disk_cache_create("test_between_instances",
"make_check", 0);
struct disk_cache *cache2 = disk_cache_create("test_between_instances",
"make_check", 0);
disk_cache_compute_key(cache1, blob, sizeof(blob), blob_key);
/* Ensure that disk_cache_get returns nothing before anything is added. */
result = disk_cache_get(cache1, blob_key, &size);
expect_null(result, "disk_cache_get(cache1) with non-existent item (pointer)");
expect_equal(size, 0, "disk_cache_get(cach1) with non-existent item (size)");
result = disk_cache_get(cache2, blob_key, &size);
expect_null(result, "disk_cache_get(cache2) with non-existent item (pointer)");
expect_equal(size, 0, "disk_cache_get(cache2) with non-existent item (size)");
/* Simple test of put and get. */
disk_cache_put(cache1, blob_key, blob, sizeof(blob), NULL);
/* disk_cache_put() hands things off to a thread so wait for it. */
disk_cache_wait_for_idle(cache1);
result = disk_cache_get(cache2, blob_key, &size);
expect_equal_str(blob, result, "disk_cache_get(cache2) of existing item (pointer)");
expect_equal(size, sizeof(blob), "disk_cache_get of(cache2) existing item (size)");
free(result);
/* Test put and get of a second item, via the opposite instances */
disk_cache_compute_key(cache2, string, sizeof(string), string_key);
disk_cache_put(cache2, string_key, string, sizeof(string), NULL);
/* disk_cache_put() hands things off to a thread so wait for it. */
disk_cache_wait_for_idle(cache2);
result = disk_cache_get(cache1, string_key, &size);
expect_equal_str(result, string, "2nd disk_cache_get(cache1) of existing item (pointer)");
expect_equal(size, sizeof(string), "2nd disk_cache_get(cache1) of existing item (size)");
free(result);
disk_cache_destroy(cache1);
disk_cache_destroy(cache2);
}
#endif /* ENABLE_SHADER_CACHE */
static void
@ -563,6 +626,8 @@ test_single_file_cache(void)
test_put_key_and_get_key();
test_put_and_get_between_instances();
setenv("MESA_DISK_CACHE_SINGLE_FILE", "false", 1);
printf("Test single file disk cache - End\n");