40 lines
1.6 KiB
Python
40 lines
1.6 KiB
Python
"""
|
|
Test default template arguments.
|
|
"""
|
|
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
class TestDefaultTemplateArgs(TestBase):
|
|
|
|
@no_debug_info_test
|
|
def test(self):
|
|
self.build()
|
|
lldbutil.run_to_source_breakpoint(self, "// break here", lldb.SBFileSpec("main.cpp"))
|
|
|
|
# Declare a template with a template argument that has a default argument.
|
|
self.expect("expr --top-level -- template<typename T = int> struct $X { int v; };")
|
|
|
|
# The type we display to the user should omit the argument with the default
|
|
# value.
|
|
result = self.expect_expr("$X<> x; x", result_type="$X<>")
|
|
# The internal name should also always show all arguments (even if they
|
|
# have their default value).
|
|
self.assertEqual(result.GetTypeName(), "$X<int>")
|
|
|
|
# Test the template but this time specify a non-default value for the
|
|
# template argument.
|
|
# Both internal type name and the one we display to the user should
|
|
# show the non-default value in the type name.
|
|
result = self.expect_expr("$X<long> x; x", result_type="$X<long>")
|
|
self.assertEqual(result.GetTypeName(), "$X<long>")
|
|
|
|
# Test that the formatters are using the internal type names that
|
|
# always include all template arguments.
|
|
self.expect("type summary add '$X<int>' --summary-string 'summary1'")
|
|
self.expect_expr("$X<> x; x", result_summary="summary1")
|
|
self.expect("type summary add '$X<long>' --summary-string 'summary2'")
|
|
self.expect_expr("$X<long> x; x", result_summary="summary2")
|