X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=t%2Faxmap.c;h=e32ff98d09f1323a12b9cb1c708cb49370ca0a38;hb=f6496ba7d984b42602d2066837547eeb05b480f0;hp=1f8c3e9a90f6855878f37c0fb574217f6363094e;hpb=ad1f90aa84ba96916d02043958ee416a499f3f25;p=fio.git

diff --git a/t/axmap.c b/t/axmap.c
index 1f8c3e9a..e32ff98d 100644
--- a/t/axmap.c
+++ b/t/axmap.c
@@ -6,10 +6,7 @@
 #include <inttypes.h>
 
 #include "../lib/lfsr.h"
-
-struct axmap;
-void axmap_set(struct axmap *, uint64_t);
-struct axmap *axmap_new(uint64_t size);
+#include "../lib/axmap.h"
 
 void *smalloc(size_t size)
 {
@@ -21,26 +18,125 @@ void sfree(void *ptr)
 	free(ptr);
 }
 
-int main(int argc, char *argv[])
+static int test_regular(size_t size, int seed)
 {
 	struct fio_lfsr lfsr;
-	size_t size = (1UL << 28) - 200;
 	struct axmap *map;
+	size_t osize;
+	uint64_t ff;
+	int err;
 
-	if (argc > 1)
-		size = strtoul(argv[1], NULL, 10);
-
-	printf("Using %llu entries\n", (unsigned long long) size);
+	printf("Using %llu entries...", (unsigned long long) size);
+	fflush(stdout);
 
-	lfsr_init(&lfsr, size);
+	lfsr_init(&lfsr, size, seed, seed & 0xF);
 	map = axmap_new(size);
+	osize = size;
+	err = 0;
 
 	while (size--) {
 		uint64_t val;
 
-		lfsr_next(&lfsr, &val);
+		if (lfsr_next(&lfsr, &val)) {
+			printf("lfsr: short loop\n");
+			err = 1;
+			break;
+		}
+		if (axmap_isset(map, val)) {
+			printf("bit already set\n");
+			err = 1;
+			break;
+		}
 		axmap_set(map, val);
+		if (!axmap_isset(map, val)) {
+			printf("bit not set\n");
+			err = 1;
+			break;
+		}
+	}
+
+	if (err)
+		return err;
+
+	ff = axmap_next_free(map, osize);
+	if (ff != (uint64_t) -1ULL) {
+		printf("axmap_next_free broken: got %llu\n", (unsigned long long) ff);
+		return 1;
+	}
+
+	printf("pass!\n");
+	axmap_free(map);
+	return 0;
+}
+
+static int test_multi(size_t size, unsigned int bit_off)
+{
+	unsigned int map_size = size;
+	struct axmap *map;
+	uint64_t val = bit_off;
+	int i, err;
+
+	printf("Test multi %llu entries %u offset...", (unsigned long long) size, bit_off);
+	fflush(stdout);
+
+	map = axmap_new(map_size);
+	while (val + 128 <= map_size) {
+		err = 0;
+		for (i = val; i < val + 128; i++) {
+			if (axmap_isset(map, val + i)) {
+				printf("bit already set\n");
+				err = 1;
+				break;
+			}
+		}
+
+		if (err)
+			break;
+
+		err = axmap_set_nr(map, val, 128);
+		if (err != 128) {
+			printf("only set %u bits\n", err);
+			break;
+		}
+
+		err = 0;
+		for (i = 0; i < 128; i++) {
+			if (!axmap_isset(map, val + i)) {
+				printf("bit not set: %llu\n", (unsigned long long) val + i);
+				err = 1;
+				break;
+			}
+		}
+
+		val += 128;
+		if (err)
+			break;
 	}
 
+	if (!err)
+		printf("pass!\n");
+
+	axmap_free(map);
+	return err;
+}
+
+int main(int argc, char *argv[])
+{
+	size_t size = (1UL << 23) - 200;
+	int seed = 1;
+
+	if (argc > 1) {
+		size = strtoul(argv[1], NULL, 10);
+		if (argc > 2)
+			seed = strtoul(argv[2], NULL, 10);
+	}
+
+	if (test_regular(size, seed))
+		return 1;
+	if (test_multi(size, 0))
+		return 2;
+	if (test_multi(size, 17))
+		return 3;
+
 	return 0;
 }