| """ |
| Test calling an expression with errors that a FixIt can fix. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ExprCommandWithFixits(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| |
| self.main_source = "main.cpp" |
| self.main_source_spec = lldb.SBFileSpec(self.main_source) |
| |
| @skipUnlessDarwin |
| def test(self): |
| """Test calling a function that throws and ObjC exception.""" |
| self.build() |
| self.try_expressions() |
| |
| def try_expressions(self): |
| """Test calling expressions with errors that can be fixed by the FixIts.""" |
| exe_name = "a.out" |
| exe = os.path.join(os.getcwd(), exe_name) |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| breakpoint = target.BreakpointCreateBySourceRegex( |
| 'Stop here to evaluate expressions', self.main_source_spec) |
| self.assertTrue(breakpoint.GetNumLocations() > 0, VALID_BREAKPOINT) |
| |
| # Launch the process, and do not stop at the entry point. |
| process = target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| # Frame #0 should be at our breakpoint. |
| threads = lldbutil.get_threads_stopped_at_breakpoint( |
| process, breakpoint) |
| |
| self.assertTrue(len(threads) == 1) |
| self.thread = threads[0] |
| |
| options = lldb.SBExpressionOptions() |
| options.SetAutoApplyFixIts(True) |
| |
| frame = self.thread.GetFrameAtIndex(0) |
| |
| # Try with one error: |
| value = frame.EvaluateExpression("my_pointer.first", options) |
| self.assertTrue(value.IsValid()) |
| self.assertTrue(value.GetError().Success()) |
| self.assertTrue(value.GetValueAsUnsigned() == 10) |
| |
| # Try with two errors: |
| two_error_expression = "my_pointer.second->a" |
| value = frame.EvaluateExpression(two_error_expression, options) |
| self.assertTrue(value.IsValid()) |
| self.assertTrue(value.GetError().Success()) |
| self.assertTrue(value.GetValueAsUnsigned() == 20) |
| |
| # Now turn off the fixits, and the expression should fail: |
| options.SetAutoApplyFixIts(False) |
| value = frame.EvaluateExpression(two_error_expression, options) |
| self.assertTrue(value.IsValid()) |
| self.assertTrue(value.GetError().Fail()) |
| error_string = value.GetError().GetCString() |
| self.assertTrue( |
| error_string.find("fixed expression suggested:") != -1, |
| "Fix was suggested") |
| self.assertTrue( |
| error_string.find("my_pointer->second.a") != -1, |
| "Fix was right") |
