Add fuzz calls for SBCompileUnit.

llvm-svn: 133843

lldb/test/python_api/default-constructor/TestDefaultConstructorForAPIObjects.py

@@ -91,6 +91,9 @@ class APIDefaultConstructorTestCase(TestBase):
         if self.TraceOn():
             print obj
         self.assertFalse(obj)
+        # Do fuzz testing on the invalid obj, it should not crash lldb.
+        import sb_compileunit
+        sb_compileunit.fuzz_obj(obj)
 
     @python_api_test
     def test_SBDebugger(self):

lldb/test/python_api/default-constructor/sb_compileunit.py

@@ -0,0 +1,13 @@
+"""
+Fuzz tests an object after the default construction to make sure it does not crash lldb.
+"""
+
+import sys
+import lldb
+
+def fuzz_obj(obj):
+    obj.GetFileSpec()
+    obj.GetNumLineEntries()
+    obj.GetLineEntryAtIndex(0xffffffff)
+    obj.FindLineEntryIndex(0, 0xffffffff, None)
+    obj.GetDescription(lldb.SBStream())