| """ |
| Test lldb data formatter subsystem. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| |
| class SkipSummaryDataFormatterTestCase(TestBase): |
| |
| mydir = os.path.join("functionalities", "data-formatter", "data-formatter-skip-summary") |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_with_dsym_and_run_command(self): |
| """Test data formatter commands.""" |
| self.buildDsym() |
| self.data_formatter_commands() |
| |
| @dwarf_test |
| def test_with_dwarf_and_run_command(self): |
| """Test data formatter commands.""" |
| self.buildDwarf() |
| self.data_formatter_commands() |
| |
| 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.') |
| |
| def data_formatter_commands(self): |
| """Test that that file and class static variables display correctly.""" |
| self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) |
| |
| self.expect("breakpoint set -f main.cpp -l %d" % self.line, |
| BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 1: file ='main.cpp', line = %d, locations = 1" % |
| self.line) |
| |
| 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(): |
| self.runCmd('type format clear', check=False) |
| self.runCmd('type summary clear', check=False) |
| |
| # Execute the cleanup function during test case tear down. |
| self.addTearDownHook(cleanup) |
| |
| # Setup the summaries for this scenario |
| #self.runCmd("type summary add --summary-string \"${var._M_dataplus._M_p}\" std::string") |
| self.runCmd("type summary add --summary-string \"Level 1\" \"DeepData_1\"") |
| self.runCmd("type summary add --summary-string \"Level 2\" \"DeepData_2\" -e") |
| self.runCmd("type summary add --summary-string \"Level 3\" \"DeepData_3\"") |
| self.runCmd("type summary add --summary-string \"Level 4\" \"DeepData_4\"") |
| self.runCmd("type summary add --summary-string \"Level 5\" \"DeepData_5\"") |
| |
| # Default case, just print out summaries |
| self.expect('frame variable', |
| substrs = ['(DeepData_1) data1 = Level 1', |
| '(DeepData_2) data2 = Level 2 {', |
| 'm_child1 = Level 3', |
| 'm_child2 = Level 3', |
| 'm_child3 = Level 3', |
| 'm_child4 = Level 3', |
| '}']) |
| |
| # Skip the default (should be 1) levels of summaries |
| self.expect('frame variable -Y', |
| substrs = ['(DeepData_1) data1 = {', |
| 'm_child1 = 0x', |
| '}', |
| '(DeepData_2) data2 = {', |
| 'm_child1 = Level 3', |
| 'm_child2 = Level 3', |
| 'm_child3 = Level 3', |
| 'm_child4 = Level 3', |
| '}']) |
| |
| # Now skip 2 levels of summaries |
| self.expect('frame variable -Y2', |
| substrs = ['(DeepData_1) data1 = {', |
| 'm_child1 = 0x', |
| '}', |
| '(DeepData_2) data2 = {', |
| 'm_child1 = {', |
| 'm_child1 = 0x', |
| 'Level 4', |
| 'm_child2 = {', |
| 'm_child3 = {', |
| '}']) |
| |
| # Check that no "Level 3" comes out |
| self.expect('frame variable data1.m_child1 -Y2', matching=False, |
| substrs = ['Level 3']) |
| |
| # Now expand a pointer with 2 level of skipped summaries |
| self.expect('frame variable data1.m_child1 -Y2', |
| substrs = ['(DeepData_2 *) data1.m_child1 = 0x']) |
| |
| # Deref and expand said pointer |
| self.expect('frame variable *data1.m_child1 -Y2', |
| substrs = ['(DeepData_2) *data1.m_child1 = {', |
| 'm_child2 = {', |
| 'm_child1 = 0x', |
| 'Level 4', |
| '}']) |
| |
| # Expand an expression, skipping 2 layers of summaries |
| self.expect('frame variable data1.m_child1->m_child2 -Y2', |
| substrs = ['(DeepData_3) data1.m_child1->m_child2 = {', |
| 'm_child2 = {', |
| 'm_child1 = Level 5', |
| 'm_child2 = Level 5', |
| 'm_child3 = Level 5', |
| '}']) |
| |
| # Expand same expression, skipping only 1 layer of summaries |
| self.expect('frame variable data1.m_child1->m_child2 -Y1', |
| substrs = ['(DeepData_3) data1.m_child1->m_child2 = {', |
| 'm_child1 = 0x', |
| 'Level 4', |
| 'm_child2 = Level 4', |
| '}']) |
| |
| # Bad debugging info on SnowLeopard gcc (Apple Inc. build 5666). |
| # Skip the following tests if the condition is met. |
| if self.getCompiler().endswith('gcc') and not self.getCompiler().endswith('llvm-gcc'): |
| import re, lldbutil |
| gcc_version_output = system([lldbutil.which(self.getCompiler()), "-v"])[1] |
| #print "my output:", gcc_version_output |
| for line in gcc_version_output.split(os.linesep): |
| m = re.search('\(Apple Inc\. build ([0-9]+)\)', line) |
| #print "line:", line |
| if m: |
| gcc_build = int(m.group(1)) |
| #print "gcc build:", gcc_build |
| if gcc_build >= 5666: |
| # rdar://problem/9804600" |
| self.skipTest("rdar://problem/9804600 wrong namespace for std::string in debug info") |
| |
| # Expand same expression, skipping 3 layers of summaries |
| self.expect('frame variable data1.m_child1->m_child2 -T -Y3', |
| substrs = ['(DeepData_3) data1.m_child1->m_child2 = {', |
| 'm_some_text = "Just a test"', |
| 'm_child2 = {', |
| 'm_some_text = "Just a test"']) |
| |
| # Expand within a standard string (might depend on the implementation of the C++ stdlib you use) |
| self.expect('frame variable data1.m_child1->m_child2.m_child1.m_child2 -Y2', |
| substrs = ['(DeepData_5) data1.m_child1->m_child2.m_child1.m_child2 = {', |
| 'm_some_text = {', |
| '_M_dataplus = {', |
| '_M_p = 0x', |
| '"Just a test"']) |
| |
| # Repeat the above, but only skip 1 level of summaries |
| self.expect('frame variable data1.m_child1->m_child2.m_child1.m_child2 -Y1', |
| substrs = ['(DeepData_5) data1.m_child1->m_child2.m_child1.m_child2 = {', |
| 'm_some_text = "Just a test"', |
| '}']) |
| |
| # Change summary and expand, first without -Y then with -Y |
| self.runCmd("type summary add --summary-string \"${var.m_some_text}\" DeepData_5") |
| |
| self.expect('fr var data2.m_child4.m_child2.m_child2', |
| substrs = ['(DeepData_5) data2.m_child4.m_child2.m_child2 = "Just a test"']) |
| |
| self.expect('fr var data2.m_child4.m_child2.m_child2 -Y', |
| substrs = ['(DeepData_5) data2.m_child4.m_child2.m_child2 = {', |
| 'm_some_text = "Just a test"', |
| '}']) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
