X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fhtable%2Ftest%2Frun-copy.c;fp=ccan%2Fhtable%2Ftest%2Frun-copy.c;h=02d5bbe46856daef1689c784152bee6c218ea806;hb=f359fde1b7c3ca60faebd4df710bf30a68784e27;hp=0000000000000000000000000000000000000000;hpb=7b56762984ce66f38728b542ca347bcb6fe3e981;p=ccan

diff --git a/ccan/htable/test/run-copy.c b/ccan/htable/test/run-copy.c
new file mode 100644
index 00000000..02d5bbe4
--- /dev/null
+++ b/ccan/htable/test/run-copy.c
@@ -0,0 +1,44 @@
+#include <ccan/htable/htable.h>
+#include <ccan/htable/htable.c>
+#include <ccan/tap/tap.h>
+#include <stdbool.h>
+#include <string.h>
+
+#define NUM_VALS 512
+
+static size_t hash(const void *elem, void *unused)
+{
+	size_t h = *(uint64_t *)elem / 2;
+	return h;
+}
+
+static bool cmp(const void *candidate, void *ptr)
+{
+	return *(const uint64_t *)candidate == *(const uint64_t *)ptr;
+}
+
+int main(int argc, char *argv[])
+{
+	struct htable ht, ht2;
+	uint64_t val[NUM_VALS], i;
+
+	plan_tests((NUM_VALS) * 3);
+	for (i = 0; i < NUM_VALS; i++)
+		val[i] = i;
+
+	htable_init(&ht, hash, NULL);
+	for (i = 0; i < NUM_VALS; i++) {
+		ok1(ht.max >= i);
+		ok1(ht.max <= i * 2);
+		htable_add(&ht, hash(&val[i], NULL), &val[i]);
+	}
+
+	htable_copy(&ht2, &ht);
+	htable_clear(&ht);
+
+	for (i = 0; i < NUM_VALS; i++)
+		ok1(htable_get(&ht2, hash(&i, NULL), cmp, &i) == &val[i]);
+	htable_clear(&ht2);
+
+	return exit_status();
+}