1 files changed, 75 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/objc/objc-checker/TestObjCCheckers.py b/packages/Python/lldbsuite/test/lang/objc/objc-checker/TestObjCCheckers.py
new file mode 100644
index 000000000000..533ec2f6b7c4
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/objc/objc-checker/TestObjCCheckers.py
@@ -0,0 +1,75 @@
+"""
+Use lldb Python API to make sure the dynamic checkers are doing their jobs.
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import re
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+class ObjCCheckerTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().                                                                                                           
+        TestBase.setUp(self)
+
+        # Find the line number to break for main.c.                                                                                       
+        self.source_name = 'main.m'
+
+    @skipUnlessDarwin
+    @add_test_categories(['pyapi'])
+    def test_objc_checker(self):
+        """Test that checkers catch unrecognized selectors"""
+        if self.getArchitecture() == 'i386':
+            self.skipTest("requires Objective-C 2.0 runtime")
+
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        # Create a target from the debugger.
+
+        target = self.dbg.CreateTarget (exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Set up our breakpoints:
+
+        
+        main_bkpt = target.BreakpointCreateBySourceRegex ("Set a breakpoint here.", lldb.SBFileSpec (self.source_name))
+        self.assertTrue(main_bkpt and
+                        main_bkpt.GetNumLocations() == 1,
+                        VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at the entry point.
+        process = target.LaunchSimple (None, None, self.get_process_working_directory())
+
+        self.assertTrue(process.GetState() == lldb.eStateStopped,
+                        PROCESS_STOPPED)
+
+        threads = lldbutil.get_threads_stopped_at_breakpoint (process, main_bkpt)
+        self.assertTrue (len(threads) == 1)
+        thread = threads[0]
+
+        #
+        #  The class Simple doesn't have a count method.  Make sure that we don't 
+        #  actually try to send count but catch it as an unrecognized selector.
+
+        frame = thread.GetFrameAtIndex(0)
+        expr_value = frame.EvaluateExpression("(int) [my_simple count]", False)
+        expr_error = expr_value.GetError()
+
+        self.assertTrue (expr_error.Fail())
+        
+        # Make sure the call produced no NSLog stdout.
+        stdout = process.GetSTDOUT(100)
+        self.assertTrue (stdout is None or (len(stdout) == 0))
+        
+        # Make sure the error is helpful:
+        err_string = expr_error.GetCString()
+        self.assertTrue ("selector" in err_string)