""" Test using LLDB data formatters with frozen objects coming from the expression parser. """ import unittest2 import lldb import lldbutil from lldbtest import * class ExprFormattersTestCase(TestBase): mydir = os.path.join("expression_command", "formatters") def setUp(self): # Call super's setUp(). TestBase.setUp(self) # Find the line number to break for main.cpp. self.line = line_number('main.cpp', '// Stop here') @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") @dsym_test def test_with_dsym(self): """Test expr + formatters for good interoperability.""" self.buildDsym() self.do_my_test() @expectedFailureLinux # bugzilla 14437 @dwarf_test def test_with_dwarf(self): """Test expr + formatters for good interoperability.""" self.buildDwarf() self.do_my_test() def do_my_test(self): # 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 summary clear', check=False) self.runCmd('type synthetic clear', check=False) # Execute the cleanup function during test case tear down. self.addTearDownHook(cleanup) """Test expr + formatters for good interoperability.""" self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, loc_exact=True) self.runCmd("run", RUN_SUCCEEDED) self.runCmd("script import formatters") self.runCmd("script import foosynth") self.runCmd("frame variable foo1 --show-types") self.runCmd("frame variable foo1.b --show-types") self.runCmd("frame variable foo1.b.b_ref --show-types") self.expect("expression *(new foo(47))", substrs = ['(int) a = 47', '(bar) b = {', '(int) i = 94', '(baz) b = {', '(int) k = 99']) self.runCmd("type summary add -F formatters.foo_SummaryProvider foo") self.expect("expression new int(12)", substrs = ['(int *) $', ' = 0x']) self.runCmd("type summary add -s \"${var%pointer} -> ${*var%decimal}\" \"int *\"") self.expect("expression new int(12)", substrs = ['(int *) $', '= 0x', ' -> 12']) self.expect("expression foo1.a_ptr", substrs = ['(int *) $', '= 0x', ' -> 13']) self.expect("expression foo1", substrs = ['(foo) $', ' = a = 12, a_ptr = ', ' -> 13, i = 24, i_ptr = ', ' -> 25']) self.expect("expression new foo(47)", substrs = ['(foo *) $', ' a = 47, a_ptr = ', ' -> 48, i = 94, i_ptr = ', ' -> 95']) self.expect("expression foo2", substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 243']) object_name = self.res.GetOutput() object_name = object_name[7:] object_name = object_name[0:object_name.find(' =')] self.expect("frame variable foo2", substrs = ['(foo)', 'foo2', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 243']) self.expect("expression $" + object_name, substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 243', ', h = 245 , k = 247']) self.runCmd("type summary delete foo") self.runCmd("type synthetic add --python-class foosynth.FooSyntheticProvider foo") self.expect("expression $" + object_name, substrs = ['(foo) $', ' = {', '(int) *i_ptr = 243']) self.runCmd("n") self.runCmd("n") self.runCmd("type synthetic delete foo") self.runCmd("type summary add -F formatters.foo_SummaryProvider foo") self.expect("expression foo2", substrs = ['(foo) $', ' = a = 7777, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 8888']) self.expect("expression $" + object_name + '.a', substrs = ['7777']) self.expect("expression *$" + object_name + '.b.i_ptr', substrs = ['8888']) self.expect("expression $" + object_name, substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 8888', 'h = 245 , k = 247']) self.runCmd("type summary delete foo") self.runCmd("type synthetic add --python-class foosynth.FooSyntheticProvider foo") self.expect("expression $" + object_name, substrs = ['(foo) $', ' = {', '(int) *i_ptr = 8888']) self.runCmd("n") self.runCmd("type synthetic delete foo") self.runCmd("type summary add -F formatters.foo_SummaryProvider foo") self.expect("expression $" + object_name, substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 8888', 'h = 9999 , k = 247']) process = self.dbg.GetSelectedTarget().GetProcess() thread = process.GetThreadAtIndex(0) frame = thread.GetSelectedFrame() frozen = frame.EvaluateExpression("$" + object_name + ".a_ptr") a_data = frozen.GetPointeeData() error = lldb.SBError() self.assertTrue(a_data.GetUnsignedInt32(error, 0) == 122, '*a_ptr = 122') self.runCmd("n");self.runCmd("n");self.runCmd("n"); self.expect("frame variable numbers", substrs = ['1','2','3','4','5']) self.expect("expression numbers", substrs = ['1','2','3','4','5']) frozen = frame.EvaluateExpression("&numbers") a_data = frozen.GetPointeeData(0, 1) self.assertTrue(a_data.GetUnsignedInt32(error, 0) == 1, 'numbers[0] == 1') self.assertTrue(a_data.GetUnsignedInt32(error, 4) == 2, 'numbers[1] == 2') self.assertTrue(a_data.GetUnsignedInt32(error, 8) == 3, 'numbers[2] == 3') self.assertTrue(a_data.GetUnsignedInt32(error, 12) == 4, 'numbers[3] == 4') self.assertTrue(a_data.GetUnsignedInt32(error, 16) == 5, 'numbers[4] == 5') frozen = frame.EvaluateExpression("numbers") a_data = frozen.GetData() self.assertTrue(a_data.GetUnsignedInt32(error, 0) == 1, 'numbers[0] == 1') self.assertTrue(a_data.GetUnsignedInt32(error, 4) == 2, 'numbers[1] == 2') self.assertTrue(a_data.GetUnsignedInt32(error, 8) == 3, 'numbers[2] == 3') self.assertTrue(a_data.GetUnsignedInt32(error, 12) == 4, 'numbers[3] == 4') self.assertTrue(a_data.GetUnsignedInt32(error, 16) == 5, 'numbers[4] == 5') if __name__ == '__main__': import atexit lldb.SBDebugger.Initialize() atexit.register(lambda: lldb.SBDebugger.Terminate()) unittest2.main()