basic support for dynamic_cast

1 files changed, 31 insertions, 0 deletions

diff --git a/tests/runner.py b/tests/runner.py
index bc5db67d..95fe03c4 100644
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -1063,6 +1063,37 @@ if 'benchmark' not in str(sys.argv):
         '''
         self.do_run(src, '*11,74,32,1012*\n*11*\n*22*')
 
+    def test_dynamic_cast(self):
+        src = '''
+          #include <stdio.h>
+
+          class CBase { virtual void dummy() {} };
+          class CDerived : public CBase { int a; };
+          class CDerivedest : public CDerived { float b; };
+
+          int main ()
+          {
+            CBase *pa = new CBase;
+            CBase *pb = new CDerived;
+            CBase *pc = new CDerivedest;
+
+            printf("a1: %d\\n", dynamic_cast<CDerivedest*>(pa) != NULL);
+            printf("a2: %d\\n", dynamic_cast<CDerived*>(pa) != NULL);
+            printf("a3: %d\\n", dynamic_cast<CBase*>(pa) != NULL);
+
+            printf("b1: %d\\n", dynamic_cast<CDerivedest*>(pb) != NULL);
+            printf("b2: %d\\n", dynamic_cast<CDerived*>(pb) != NULL);
+            printf("b3: %d\\n", dynamic_cast<CBase*>(pb) != NULL);
+
+            printf("c1: %d\\n", dynamic_cast<CDerivedest*>(pc) != NULL);
+            printf("c2: %d\\n", dynamic_cast<CDerived*>(pc) != NULL);
+            printf("c3: %d\\n", dynamic_cast<CBase*>(pc) != NULL);
+
+            return 0;
+          }
+        '''
+        self.do_run(src, 'a1: 0\na2: 0\na3: 1\nb1: 0\nb2: 1\nb3: 1\nc1: 1\nc2: 1\nc3: 1\n')
+
     def test_funcptr(self):
         src = '''
           #include <stdio.h>