Add fuzz calls for SBInstruction and SBInstructionList.

llvm-svn: 134020

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

@@ -171,6 +171,9 @@ 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_instruction
+        sb_instruction.fuzz_obj(obj)
 
     @python_api_test
     def test_SBInstructionList(self):
@@ -178,6 +181,9 @@ 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_instructionlist
+        sb_instructionlist.fuzz_obj(obj)
 
     @python_api_test
     def test_SBLineEntry(self):

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

@@ -0,0 +1,16 @@
+"""
+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.GetAddress()
+    obj.GetByteSize
+    obj.DoesBranch()
+    obj.Print(None)
+    obj.GetDescription(lldb.SBStream())
+    obj.EmulateWithFrame(lldb.SBFrame(), 0)
+    obj.DumpEmulation("armv7")
+    obj.TestEmulation(lldb.SBStream(), "my-file")

lldb/test/python_api/default-constructor/sb_instructionlist.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.GetSize()
+    obj.GetInstructionAtIndex(0xffffffff)
+    obj.AppendInstruction(lldb.SBInstruction())
+    obj.Print(None)
+    obj.GetDescription(lldb.SBStream())
+    obj.DumpEmulationForAllInstructions("armv7")