58 lines · python
1"""2Test that the type of arguments to C++ template classes that have variadic3parameters can be enumerated.4"""5import lldb6from lldbsuite.test.decorators import *7from lldbsuite.test.lldbtest import *8from lldbsuite.test import lldbutil9 10 11class TemplatePackArgsTestCase(TestBase):12 def test_template_argument_pack(self):13 self.build()14 (target, _, thread, _) = lldbutil.run_to_source_breakpoint(15 self, "breakpoint here", lldb.SBFileSpec("main.cpp"), exe_name="a.out"16 )17 frame = thread.GetSelectedFrame()18 19 empty_pack = frame.FindVariable("emptyPack")20 self.assertTrue(21 empty_pack.IsValid(), "make sure we find the emptyPack variable"22 )23 24 only_pack = frame.FindVariable("onlyPack")25 self.assertTrue(only_pack.IsValid(), "make sure we find the onlyPack variable")26 self.assertEqual(only_pack.GetType().GetNumberOfTemplateArguments(), 4)27 self.assertEqual(28 only_pack.GetType().GetTemplateArgumentType(0).GetName(), "int"29 )30 self.assertEqual(31 only_pack.GetType().GetTemplateArgumentType(1).GetName(), "char"32 )33 self.assertEqual(34 only_pack.GetType().GetTemplateArgumentType(2).GetName(), "double"35 )36 37 nested_template = only_pack.GetType().GetTemplateArgumentType(3)38 self.assertEqual(nested_template.GetName(), "D<int, int, bool>")39 self.assertEqual(nested_template.GetNumberOfTemplateArguments(), 3)40 self.assertEqual(nested_template.GetTemplateArgumentType(0).GetName(), "int")41 self.assertEqual(nested_template.GetTemplateArgumentType(1).GetName(), "int")42 self.assertEqual(nested_template.GetTemplateArgumentType(2).GetName(), "bool")43 44 my_c = frame.FindVariable("myC")45 self.assertTrue(my_c.IsValid(), "make sure we find the myC variable")46 47 # Out of bounds index.48 self.assertFalse(my_c.GetType().GetTemplateArgumentValue(target, 3))49 50 # Out of bounds index.51 template_param_value = my_c.GetType().GetTemplateArgumentValue(target, 1)52 self.assertEqual(template_param_value.GetTypeName(), "int")53 self.assertEqual(template_param_value.GetValueAsSigned(), 16)54 55 template_param_value = my_c.GetType().GetTemplateArgumentValue(target, 2)56 self.assertEqual(template_param_value.GetTypeName(), "int")57 self.assertEqual(template_param_value.GetValueAsSigned(), 32)58