Give an error when StepUsingScriptedThreadPlan is passed a bad classname.

Differential Revision: https://reviews.llvm.org/D68173

llvm-svn: 373135

1 files changed, 22 insertions, 1 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/step_scripted/TestStepScripted.py b/lldb/packages/Python/lldbsuite/test/functionalities/step_scripted/TestStepScripted.py
index a111ede6739..ce5f33f0bc9 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/step_scripted/TestStepScripted.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/step_scripted/TestStepScripted.py
@@ -26,10 +26,13 @@ class StepScriptedTestCase(TestBase):
 
     def setUp(self):
         TestBase.setUp(self)
+        self.main_source_file = lldb.SBFileSpec("main.c")
         self.runCmd("command script import Steps.py")
 
     def step_out_with_scripted_plan(self, name):
-        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self, "Set a breakpoint here", self.main_source_file)
+        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
+                                                                            "Set a breakpoint here",
+                                                                            self.main_source_file)
 
         frame = thread.GetFrameAtIndex(0)
         self.assertEqual("foo", frame.GetFunctionName())
@@ -39,3 +42,21 @@ class StepScriptedTestCase(TestBase):
 
         frame = thread.GetFrameAtIndex(0)
         self.assertEqual("main", frame.GetFunctionName())
+
+    def test_misspelled_plan_name(self):
+        """Test that we get a useful error if we misspell the plan class name"""
+        self.build()
+        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
+                                                                            "Set a breakpoint here",
+                                                                            self.main_source_file)
+        stop_id = process.GetStopID()
+        # Pass a non-existent class for the plan class:
+        err = thread.StepUsingScriptedThreadPlan("NoSuchModule.NoSuchPlan")
+        
+        # Make sure we got a good error:
+        self.assertTrue(err.Fail(), "We got a failure state")
+        msg = err.GetCString()
+        self.assertTrue("NoSuchModule.NoSuchPlan" in msg, "Mentioned missing class")
+        
+        # Make sure we didn't let the process run:
+        self.assertEqual(stop_id, process.GetStopID(), "Process didn't run")