X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fhtable%2Ftest%2Frun-extra.c;fp=ccan%2Fhtable%2Ftest%2Frun-extra.c;h=33821545abdb1ea9946720fe55e743ef84c37fe2;hp=0000000000000000000000000000000000000000;hb=6a8bb2092789b5b8cf9430bc188597074a17d995;hpb=fe328d06ed6df8d5a92eaab4be2d645affeeb99e

diff --git a/ccan/htable/test/run-extra.c b/ccan/htable/test/run-extra.c
new file mode 100644
index 00000000..33821545
--- /dev/null
+++ b/ccan/htable/test/run-extra.c
@@ -0,0 +1,51 @@
+#include "../htable.c"
+
+static size_t hash(const void *ptr, void *priv UNNEEDED)
+{
+	/* We're hashing pointers; no need to get too fancy. */
+	return ((size_t)ptr / sizeof(ptr)) ^ ((size_t)ptr % sizeof(ptr));
+}
+
+/* 24042: Waiting on 0x5570a500c3f8 (11742786623615)
+24042: Waiting on 0x5570a500c430 (11742786623622)
+24042: Searching for 0x5570a500c3f8 (11742786623615) in 2 elems
+24042: Searching for 0x5570a500c3f8 (11742786623615) in 2 elems
+*/
+static struct htable waittable = HTABLE_INITIALIZER(waittable, hash, NULL);
+
+int main(void)
+{
+	const void *p1 = (void *)0x5570a500c3f8ULL;
+	const void *p2 = (void *)0x5570a500c430ULL;
+	size_t h;
+	struct htable_iter i;
+	void *p;
+	bool found;
+
+	printf("hash %p == %zu\n", p1, hash(p1, NULL));
+	printf("hash %p == %zu\n", p2, hash(p2, NULL));
+	htable_add(&waittable, hash(p1, NULL), p1);
+	htable_add(&waittable, hash(p2, NULL), p2);
+
+	found = false;
+	h = hash(p1, NULL);
+	for (p = htable_firstval(&waittable, &i, h);
+	     p;
+	     p = htable_nextval(&waittable, &i, h)) {
+		if (p == p1)
+			found = true;
+	}
+	assert(found);
+
+	found = false;
+	h = hash(p2, NULL);
+	for (p = htable_firstval(&waittable, &i, h);
+	     p;
+	     p = htable_nextval(&waittable, &i, h)) {
+		if (p == p2)
+			found = true;
+	}
+	assert(found);
+	
+	return found ? 0 : 1;
+}