diff --git a/tests/bench_str.csv b/tests/bench_str.csv
index e69f128..7182960 100644
--- a/tests/bench_str.csv
+++ b/tests/bench_str.csv
@@ -330,3 +330,31 @@
 1400467139,13047096.38
 1400467481,13594764.91
 1400468648,13474532.60
+1400570358,16277787.44
+1400570442,16505301.07
+1400570494,16651367.19
+1400570540,16509970.21
+1400571025,16271291.64
+1400571045,16347991.85
+1400571109,16051262.35
+1400571116,16000716.18
+1400571171,15655022.26
+1400571314,15695138.73
+1400571328,15779592.30
+1400571446,16173358.85
+1400571511,15816846.60
+1400571580,15165532.41
+1400571819,15473025.62
+1400571872,14901576.43
+1400571879,14751988.30
+1400571889,15028402.84
+1400571925,13450622.41
+1400571993,13276463.85
+1400572069,13113355.08
+1400572160,13281786.31
+1400573791,13580509.03
+1400573832,10555723.33
+1400573839,10582884.42
+1400573847,10478482.69
+1400573855,15087645.17
+1400573891,15207920.79
diff --git a/tests/check_tree.c b/tests/check_tree.c
index 55fdb70..bc061c1 100644
--- a/tests/check_tree.c
+++ b/tests/check_tree.c
@@ -17,16 +17,12 @@ START_TEST (test_ltrim_slash)
 }
 END_TEST
 
-START_TEST (test_r3_node_construct_uniq)
+START_TEST (test_r3_node_construct_and_free)
 {
     node * n = r3_tree_create(10);
-
     node * child = r3_tree_create(3);
-
-    // fail_if( r3_node_add_child(n, strdup("/add") , child) != NULL );
-    // fail_if( r3_node_add_child(n, strdup("/add") , child) != NULL );
-
     r3_tree_free(n);
+    r3_tree_free(child);
 }
 END_TEST
 
@@ -282,6 +278,7 @@ START_TEST(test_pcre_pattern_simple)
     fail_if(matched == NULL);
     ck_assert(entry->vars->len > 0);
     ck_assert_str_eq(entry->vars->tokens[0],"123");
+    r3_tree_free(n);
 }
 END_TEST
 
@@ -330,6 +327,8 @@ START_TEST(test_pcre_pattern_more)
     ck_assert(entry->vars->len > 0);
     ck_assert_str_eq(entry->vars->tokens[0],"123");
     ck_assert_int_eq( *((int*)matched->data), var3);
+
+    r3_tree_free(n);
 }
 END_TEST
 
@@ -739,9 +738,9 @@ Suite* r3_suite (void) {
         Suite *suite = suite_create("blah");
 
         TCase *tcase = tcase_create("testcase");
+        tcase_add_test(tcase, test_r3_node_construct_and_free);
         tcase_add_test(tcase, test_str_array);
         tcase_add_test(tcase, test_ltrim_slash);
-        tcase_add_test(tcase, test_r3_node_construct_uniq);
         tcase_add_test(tcase, test_r3_node_find_edge);
         tcase_add_test(tcase, test_r3_tree_insert_pathl);
         tcase_add_test(tcase, test_compile_slug);