| """ |
| 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): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| 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.assertEquals(X.GetValue(), "1", "X has an invalid value") |
| self.assertEquals(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.assertEquals(X.GetValue(), "0x00000004", "X has not become 4") |
| self.assertEquals(Y.GetValue(), "0x00000002", "Y has not stuck as hex") |
| # Check that children can still make their own choices |
| Y.SetFormat(lldb.eFormatDecimal) |
| self.assertEquals(X.GetValue(), "0x00000004", "X is still hex") |
| self.assertEquals(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.assertEquals(Y.GetValue(), "2", "Y is not defaulted") |
