add unit test 01-Basic/253-scope-cleanup

src/test/01-Basic/253-scope-cleanup.ck

@@ -0,0 +1,41 @@
+// (non-control structure) local scope Object cleanup
+// 1.5.2.5 (ge) added
+
+// a class
+class Foo
+{
+    int val;
+
+    fun @construct( int x )
+    { x => val; }
+
+    fun @destruct()
+    { <<< "destructor:", val >>>; }
+}
+
+// control structure scope
+if( true )
+{
+    // nested scope
+    {
+        Foo foo(-1);
+        <<< 1, "" >>>;
+
+        // nested nested scope
+        {
+            Foo bar(-2);
+            <<< 2, "" >>>;
+        }
+        <<< 3, "" >>>;
+
+    }
+    <<< 4, "" >>>;
+
+}
+<<< 5, "" >>>;
+
+// top-level scope
+{
+    Foo foo(0);
+}
+<<< 6, "" >>>;

src/test/01-Basic/253-scope-cleanup.txt

@@ -0,0 +1,9 @@
+1  
+2  
+destructor: -2 
+3  
+destructor: -1 
+4  
+5  
+destructor: 0 
+6