Add fuzz calls for SBStringList and add obj.Clear() calls for some files.

llvm-svn: 134040

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

@@ -239,6 +239,9 @@ 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_stringlist
+        sb_stringlist.fuzz_obj(obj)
 
     @python_api_test
     def test_SBSymbol(self):

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

@@ -10,3 +10,4 @@ def fuzz_obj(obj):
     obj.GetLoadAddress(lldb.SBTarget())
     obj.OffsetAddress(sys.maxint)
     obj.GetDescription(lldb.SBStream())
+    obj.Clear()

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

@@ -17,3 +17,4 @@ def fuzz_obj(obj):
     obj.EventTypeHasListeners(0)
     obj.RemoveListener(listener, 0xffffffff)
     obj.RemoveListener(listener, 0)
+    obj.Clear()

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

@@ -49,3 +49,4 @@ def fuzz_obj(obj):
     obj.GetCloseInputOnEOF()
     obj.SetCloseInputOnEOF(True)
     obj.SetCloseInputOnEOF(False)
+    obj.Clear()

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

@@ -17,3 +17,4 @@ def fuzz_obj(obj):
     obj.SetErrorString("xyz")
     obj.SetErrorStringWithFormat("%s!", "error")
     obj.GetDescription(lldb.SBStream())
+    obj.Clear()

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

@@ -15,3 +15,4 @@ def fuzz_obj(obj):
     obj.BroadcasterMatchesPtr(None)
     obj.BroadcasterMatchesRef(broadcaster)
     obj.GetDescription(lldb.SBStream())
+    obj.Clear()

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

@@ -32,3 +32,4 @@ def fuzz_obj(obj):
     obj.FindVariable("my_var")
     obj.FindVariable("my_var", lldb.eDynamicCanRunTarget)
     obj.GetDescription(lldb.SBStream())
+    obj.Clear()

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

@@ -12,3 +12,4 @@ def fuzz_obj(obj):
     obj.Print(None)
     obj.GetDescription(lldb.SBStream())
     obj.DumpEmulationForAllInstructions("armv7")
+    obj.Clear()

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

@@ -40,3 +40,4 @@ def fuzz_obj(obj):
     obj.GetDescription(lldb.SBStream())
     obj.LoadImage(lldb.SBFileSpec(), error)
     obj.UnloadImage(0)
+    obj.Clear()

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

@@ -0,0 +1,14 @@
+"""
+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.AppendString("another string")
+    obj.AppendList(None, 0)
+    obj.AppendList(lldb.SBStringList())
+    obj.GetSize()
+    obj.GetStringAtIndex(0xffffffff)
+    obj.Clear()