Fix a crash in expressions with fixits in the dummy target.

In the expression command, if the target is NULL, you have to use the dummy
target.

<rdar://problem/28811687>

llvm-svn: 284439

1 files changed, 9 insertions, 2 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/expression_command/fixits/TestFixIts.py b/lldb/packages/Python/lldbsuite/test/expression_command/fixits/TestFixIts.py
index a472a014cee..418c5325ad0 100644
--- a/lldb/packages/Python/lldbsuite/test/expression_command/fixits/TestFixIts.py
+++ b/lldb/packages/Python/lldbsuite/test/expression_command/fixits/TestFixIts.py
@@ -23,11 +23,18 @@ class ExprCommandWithFixits(TestBase):
         self.main_source_spec = lldb.SBFileSpec(self.main_source)
 
     @skipUnlessDarwin
-    def test(self):
-        """Test calling a function that throws and ObjC exception."""
+    def test_with_target(self):
+        """Test calling expressions with errors that can be fixed by the FixIts."""
         self.build()
         self.try_expressions()
 
+    def test_with_dummy_target(self):
+        """Test calling expressions in the dummy target with errors that can be fixed by the FixIts."""
+        ret_val = lldb.SBCommandReturnObject()
+        result = self.dbg.GetCommandInterpreter().HandleCommand("expression ((1 << 16) - 1))", ret_val)
+        self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "The expression was successful.")
+        self.assertTrue("Fix-it applied" in ret_val.GetError(), "Found the applied FixIt.")
+
     def try_expressions(self):
         """Test calling expressions with errors that can be fixed by the FixIts."""
         exe_name = "a.out"