diff --git a/tests/lab1/testcase/7.cminus b/tests/lab1/testcase/7.cminus
new file mode 100644
index 0000000000000000000000000000000000000000..56205cd79c60e4438aff67ca93142b0940a68157
--- /dev/null
+++ b/tests/lab1/testcase/7.cminus
@@ -0,0 +1,14 @@
+int main(){
+    int a=5;int b[];int c[5];
+    float d = .05;
+    /*** COMMENT1
+    ***/
+    while(a){
+        a=a-1;
+    }
+    /*** /*COMMENT2
+    ***/
+    d=d+1;
+    d=d+2.0;
+    return 0;
+}
\ No newline at end of file