3 files changed, 47 insertions, 1 deletions
diff --git a/src/tests/ktests/btree1/test.c b/src/tests/ktests/btree1/test.c
index 1207a28..1d387f0 100644
--- a/src/tests/ktests/btree1/test.c
+++ b/src/tests/ktests/btree1/test.c
@@ -3,7 +3,6 @@
 void test_btree_1() {
 	BEGIN_TEST("test-btree-1");
 
-	// hashtable test
 	btree_t *ht = create_btree(str_key_cmp_fun, 0);
 	ASSERT(ht != 0);
 
diff --git a/src/tests/ktests/btree2/Makefile b/src/tests/ktests/btree2/Makefile
new file mode 120000
index 0000000..4630a7c
--- /dev/null
+++ b/src/tests/ktests/btree2/Makefile
@@ -0,0 +1 @@
+../rules.make
+\ No newline at end of file
diff --git a/src/tests/ktests/btree2/test.c b/src/tests/ktests/btree2/test.c
new file mode 100644
index 0000000..eb76dba
--- /dev/null
+++ b/src/tests/ktests/btree2/test.c
@@ -0,0 +1,46 @@
+#include <btree.h>
+
+uint32_t prng() {
+	static uint32_t prng_s = 5091;
+	prng_s = ((prng_s + 24162) * 15322) % 100001;
+	return prng_s;
+}
+
+void test_btree_2() {
+	BEGIN_TEST("test-btree-2");
+
+	btree_t *ht = create_btree(id_key_cmp_fun, 0);
+	ASSERT(ht != 0);
+
+	const int n = 100;
+	uint32_t k[n], v[n];
+	for (int i = 0; i < n; i++) {
+		k[i] = prng();
+		v[i] = prng();
+		dbg_printf("add %d -> %d\n", k[i], v[i]);
+		ASSERT(btree_add(ht, (void*)k[i], (void*)v[i]));
+		ASSERT(btree_find(ht, (void*)k[i]) == (void*)v[i]);
+	}
+
+	for (int i = 0; i < n; i++) {
+		ASSERT(btree_find(ht, (void*)k[i]) == (void*)v[i]);
+	}
+
+	for (int i = 0; i < n/2; i++) {
+		btree_remove(ht, (void*)k[i]);
+		ASSERT(btree_find(ht, (void*)k[i]) == 0);
+	}
+
+	for (int i = 0; i < n; i++) {
+		ASSERT(btree_find(ht, (void*)k[i]) == (i < n/2 ? 0 : (void*)v[i]));
+	}
+
+	delete_btree(ht);
+
+	TEST_OK;
+}
+
+#undef TEST_PLACEHOLDER_AFTER_TASKING
+#define TEST_PLACEHOLDER_AFTER_TASKING { test_btree_2(); }
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/