| """ |
| Use lldb Python API to make sure the dynamic checkers are doing their jobs. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import re |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| 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 = self.getBuildArtifact("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) |