| """ | |
| Check if changing Format on an SBValue correctly propagates that new format to children as it should | |
| """ | |
| import lldb | |
| from lldbsuite.test.lldbtest import * | |
| import lldbsuite.test.lldbutil as lldbutil | |
| class FormatPropagationTestCase(TestBase): | |
| def setUp(self): | |
| # Call super's setUp(). | |
| TestBase.setUp(self) | |
| # Find the line number to break at. | |
| self.line = line_number("main.cpp", "// Set break point at this line.") | |
| # rdar://problem/14035604 | |
| def test_with_run_command(self): | |
| """Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs.""" | |
| self.build() | |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) | |
| lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True | |
| ) | |
| self.runCmd("run", RUN_SUCCEEDED) | |
| # The stop reason of the thread should be breakpoint. | |
| self.expect( | |
| "thread list", | |
| STOPPED_DUE_TO_BREAKPOINT, | |
| substrs=["stopped", "stop reason = breakpoint"], | |
| ) | |
| # This is the function to remove the custom formats in order to have a | |
| # clean slate for the next test case. | |
| def cleanup(): | |
| pass | |
| # Execute the cleanup function during test case tear down. | |
| self.addTearDownHook(cleanup) | |
| # extract the parent and the children | |
| frame = self.frame() | |
| parent = self.frame().FindVariable("f") | |
| self.assertTrue(parent is not None and parent.IsValid(), "could not find f") | |
| X = parent.GetChildMemberWithName("X") | |
| self.assertTrue(X is not None and X.IsValid(), "could not find X") | |
| Y = parent.GetChildMemberWithName("Y") | |
| self.assertTrue(Y is not None and Y.IsValid(), "could not find Y") | |
| # check their values now | |
| self.assertEqual(X.GetValue(), "1", "X has an invalid value") | |
| self.assertEqual(Y.GetValue(), "2", "Y has an invalid value") | |
| # set the format on the parent | |
| parent.SetFormat(lldb.eFormatHex) | |
| self.assertEqual(X.GetValue(), "0x00000001", "X has not changed format") | |
| self.assertEqual(Y.GetValue(), "0x00000002", "Y has not changed format") | |
| # Step and check if the values make sense still | |
| self.runCmd("next") | |
| self.assertEqual(X.GetValue(), "0x00000004", "X has not become 4") | |
| self.assertEqual(Y.GetValue(), "0x00000002", "Y has not stuck as hex") | |
| # Check that children can still make their own choices | |
| Y.SetFormat(lldb.eFormatDecimal) | |
| self.assertEqual(X.GetValue(), "0x00000004", "X is still hex") | |
| self.assertEqual(Y.GetValue(), "2", "Y has not been reset") | |
| # Make a few more changes | |
| parent.SetFormat(lldb.eFormatDefault) | |
| X.SetFormat(lldb.eFormatHex) | |
| Y.SetFormat(lldb.eFormatDefault) | |
| self.assertEqual(X.GetValue(), "0x00000004", "X is not hex as it asked") | |
| self.assertEqual(Y.GetValue(), "2", "Y is not defaulted") |