progress

1 files changed, 44 insertions, 0 deletions

diff --git a/ccan/htable/test/run-copy.c b/ccan/htable/test/run-copy.c
new file mode 100644
index 0000000..d111495
--- /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 UNNEEDED)
+{
+	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(void)
+{
+	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();
+}