diff --git a/.gitignore b/.gitignore
index fc53910..ca403e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,6 @@ runNumbersTest.exe
 numbers.o
 .vscode/launch.json
 .vscode/settings.json
+*.o
+*.exe
+runBintreeTest
diff --git a/test_bintree.c b/test_bintree.c
index 17e39b1..d33a93d 100644
--- a/test_bintree.c
+++ b/test_bintree.c
@@ -4,7 +4,7 @@
 #include "unity.h"
 
 
-void sizeTest()
+void treeTest()
 {
     TreeNode root;
     TreeNode node1;
@@ -31,6 +31,10 @@ void sizeTest()
 
     TEST_ASSERT_EQUAL_INT(3,treeSize(&root));
 
+
+    clearTree(&root);
+    TEST_ASSERT_EQUAL_INT(0,treeSize(&root));
+
     
 }
 
@@ -50,7 +54,7 @@ int main()
 
     printf("============================\nNumbers tests\n============================\n");
 
-    RUN_TEST(sizeTest);
+    RUN_TEST(treeTest);
 
     return UNITY_END();
 }
\ No newline at end of file