llvm-project/lldb/test/API/lang/cpp/template-arguments/TestCppTemplateArguments.py
Michael Buch 134a94ae0b [lldb][test] TestCppTemplateArguments.py: skip on older compilers
This test needs to be compiled with compilers that support floating point NTTP.
2025-02-14 10:26:47 +00:00

72 lines
3.0 KiB
Python

import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCase(TestBase):
@no_debug_info_test
@skipIf(compiler="clang", compiler_version=["<", "20.0"])
def test(self):
self.build()
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
value = self.expect_expr("temp1", result_type="C<int, 2>")
template_type = value.GetType()
self.assertEqual(template_type.GetNumberOfTemplateArguments(), 2)
# Check a type argument.
self.assertEqual(
template_type.GetTemplateArgumentKind(0), lldb.eTemplateArgumentKindType
)
self.assertEqual(template_type.GetTemplateArgumentType(0).GetName(), "int")
# Check a integral argument.
self.assertEqual(
template_type.GetTemplateArgumentKind(1), lldb.eTemplateArgumentKindIntegral
)
self.assertEqual(
template_type.GetTemplateArgumentType(1).GetName(), "unsigned int"
)
# Template parameter isn't a NTTP.
self.assertFalse(template_type.GetTemplateArgumentValue(target, 0))
# Template parameter index out-of-bounds.
self.assertFalse(template_type.GetTemplateArgumentValue(target, 2))
# Template parameter is a NTTP.
param_val = template_type.GetTemplateArgumentValue(target, 1)
self.assertEqual(param_val.GetTypeName(), "unsigned int")
self.assertEqual(param_val.GetValueAsUnsigned(), 2)
# Try to get an invalid template argument.
self.assertEqual(
template_type.GetTemplateArgumentKind(2), lldb.eTemplateArgumentKindNull
)
self.assertEqual(template_type.GetTemplateArgumentType(2).GetName(), "")
value = self.expect_expr("temp2", result_type="Foo<short, -2>")
# Can't get template parameter value with invalid target.
self.assertFalse(value.GetType().GetTemplateArgumentValue(lldb.SBTarget(), 1))
template_param_value = value.GetType().GetTemplateArgumentValue(target, 1)
self.assertTrue(template_param_value)
self.assertEqual(template_param_value.GetTypeName(), "short")
self.assertEqual(template_param_value.GetValueAsSigned(), -2)
value = self.expect_expr("temp3", result_type="Foo<char, 'v'>")
template_param_value = value.GetType().GetTemplateArgumentValue(target, 1)
self.assertTrue(template_param_value)
self.assertEqual(template_param_value.GetTypeName(), "char")
self.assertEqual(chr(template_param_value.GetValueAsSigned()), "v")
# FIXME: type should be Foo<float, 2.0f>
# FIXME: double/float NTTP parameter values currently not supported.
value = self.expect_expr("temp4", result_type="Foo<float, 1073741824>")
template_param_value = value.GetType().GetTemplateArgumentValue(target, 1)
self.assertEqual(template_param_value.GetTypeName(), "float")
# FIXME: this should return a float
self.assertEqual(template_param_value.GetValueAsSigned(), 2)