""" Test lldb data formatter subsystem. """ import os, time import unittest2 import lldb from lldbtest import * import lldbutil class PythonSynthDataFormatterTestCase(TestBase): mydir = os.path.join("functionalities", "data-formatter", "data-formatter-python-synth") @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() @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") @dsym_test def test_rdar10960550_with_dsym_and_run_command(self): """Test data formatter commands.""" self.buildDsym() self.rdar10960550_formatter_commands() @dwarf_test def test_rdar10960550_with_dwarf_and_run_command(self): """Test data formatter commands.""" self.buildDwarf() self.rdar10960550_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.') self.line2 = line_number('main.cpp', '// Set cast break point at this line.') self.line3 = line_number('main.cpp', '// Set second cast break point at this line.') def data_formatter_commands(self): """Test using Python synthetic children provider.""" self.runCmd("file 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(): self.runCmd('type format clear', check=False) self.runCmd('type summary clear', check=False) self.runCmd('type filter clear', check=False) self.runCmd('type synth clear', check=False) # Execute the cleanup function during test case tear down. self.addTearDownHook(cleanup) # print the f00_1 variable without a synth self.expect("frame variable f00_1", substrs = ['a = 0', 'b = 1', 'r = 33']); # now set up the synth self.runCmd("script from fooSynthProvider import *") self.runCmd("type synth add -l fooSynthProvider foo") # check that we get the two real vars and the fake_a variables self.expect("frame variable f00_1", substrs = ['r = 33', 'fake_a = 16777216', 'a = 0']); # check that we do not get the extra vars self.expect("frame variable f00_1", matching=False, substrs = ['b = 1']); # check access to members by name self.expect('frame variable f00_1.fake_a', substrs = ['16777216']) # check access to members by index self.expect('frame variable f00_1[1]', substrs = ['16777216']) # put synthetic children in summary in several combinations self.runCmd("type summary add --summary-string \"fake_a=${svar.fake_a}\" foo") self.expect('frame variable f00_1', substrs = ['fake_a=16777216']) self.runCmd("type summary add --summary-string \"fake_a=${svar[1]}\" foo") self.expect('frame variable f00_1', substrs = ['fake_a=16777216']) # clear the summary self.runCmd("type summary delete foo") # check that the caching does not span beyond the stopoint self.runCmd("n") self.expect("frame variable f00_1", substrs = ['r = 33', 'fake_a = 16777216', 'a = 1']); # check that altering the object also alters fake_a self.runCmd("expr f00_1.a = 280") self.expect("frame variable f00_1", substrs = ['r = 33', 'fake_a = 16777217', 'a = 280']); # check that expanding a pointer does the right thing self.expect("frame variable --ptr-depth 1 f00_ptr", substrs = ['r = 45', 'fake_a = 218103808', 'a = 12']) # now add a filter.. it should fail self.expect("type filter add foo --child b --child j", error=True, substrs = ['cannot add']) # we get the synth again.. self.expect('frame variable f00_1', matching=False, substrs = ['b = 1', 'j = 17']) self.expect("frame variable --ptr-depth 1 f00_ptr", substrs = ['r = 45', 'fake_a = 218103808', 'a = 12']) # now delete the synth and add the filter self.runCmd("type synth delete foo") self.runCmd("type filter add foo --child b --child j") self.expect('frame variable f00_1', substrs = ['b = 1', 'j = 17']) self.expect("frame variable --ptr-depth 1 f00_ptr", matching=False, substrs = ['r = 45', 'fake_a = 218103808', 'a = 12']) # now add the synth and it should fail self.expect("type synth add -l fooSynthProvider foo", error=True, substrs = ['cannot add']) # check the listing self.expect('type synth list', matching=False, substrs = ['foo', 'Python class fooSynthProvider']) self.expect('type filter list', substrs = ['foo', '.b', '.j']) # delete the filter, add the synth self.runCmd("type filter delete foo") self.runCmd("type synth add -l fooSynthProvider foo") self.expect('frame variable f00_1', matching=False, substrs = ['b = 1', 'j = 17']) self.expect("frame variable --ptr-depth 1 f00_ptr", substrs = ['r = 45', 'fake_a = 218103808', 'a = 12']) # check the listing self.expect('type synth list', substrs = ['foo', 'Python class fooSynthProvider']) self.expect('type filter list', matching=False, substrs = ['foo', '.b', '.j']) # delete the synth and check that we get good output self.runCmd("type synth delete foo") self.expect("frame variable f00_1", substrs = ['a = 280', 'b = 1', 'j = 17']); self.expect("frame variable f00_1", matching=False, substrs = ['fake_a = ']) def rdar10960550_formatter_commands(self): """Test that synthetic children persist stoppoints.""" self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) # The second breakpoint is on a multi-line expression, so the comment can't be on the right line... lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line2, num_expected_locations=1, loc_exact=False) lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line3, 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(): self.runCmd('type format clear', check=False) self.runCmd('type summary clear', check=False) self.runCmd('type filter clear', check=False) self.runCmd('type synth clear', check=False) # Execute the cleanup function during test case tear down. self.addTearDownHook(cleanup) self.runCmd("command script import ./ftsp.py --allow-reload") self.runCmd("type synth add -l ftsp.ftsp wrapint") # we need to check that the VO is properly updated so that the same synthetic children are reused # but their values change correctly across stop-points - in order to do this, self.runCmd("next") # does not work because it forces a wipe of the stack frame - this is why we are using this more contrived # mechanism to achieve our goal of preserving test_cast as a VO test_cast = self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().GetSelectedFrame().FindVariable('test_cast') str_cast = str(test_cast) if self.TraceOn(): print str_cast self.assertTrue(str_cast.find('A') != -1, 'could not find A in output') self.assertTrue(str_cast.find('B') != -1, 'could not find B in output') self.assertTrue(str_cast.find('C') != -1, 'could not find C in output') self.assertTrue(str_cast.find('D') != -1, 'could not find D in output') self.assertTrue(str_cast.find("4 = '\\0'") != -1, 'could not find item 4 == 0') self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().StepOver() str_cast = str(test_cast) if self.TraceOn(): print str_cast # we detect that all the values of the child objects have changed - but the counter-generated item # is still fixed at 0 because it is cached - this would fail if update(self): in ftsp returned False # or if synthetic children were not being preserved self.assertTrue(str_cast.find('Q') != -1, 'could not find Q in output') self.assertTrue(str_cast.find('X') != -1, 'could not find X in output') self.assertTrue(str_cast.find('T') != -1, 'could not find T in output') self.assertTrue(str_cast.find('F') != -1, 'could not find F in output') self.assertTrue(str_cast.find("4 = '\\0'") != -1, 'could not find item 4 == 0') if __name__ == '__main__': import atexit lldb.SBDebugger.Initialize() atexit.register(lambda: lldb.SBDebugger.Terminate()) unittest2.main()