1""" 2Test that we can call C++ template fucntions. 3""" 4import lldb 5from lldbsuite.test.decorators import * 6from lldbsuite.test.lldbtest import * 7from lldbsuite.test import lldbutil 8 9 10class TemplateFunctionsTestCase(TestBase): 11 12 def do_test_template_function(self, add_cast): 13 self.build() 14 lldbutil.run_to_source_breakpoint(self, '// break here', 15 lldb.SBFileSpec("main.cpp", False)) 16 17 if add_cast: 18 self.expect_expr("(int) foo(42)", result_type="int", result_value="42") 19 else: 20 self.expect("expr b1 <=> b2", error=True, substrs=["warning: <user expression 0>:1:4: '<=>' is a single token in C++20; add a space to avoid a change in behavior"]) 21 22 self.expect_expr("foo(42)", result_type="int", result_value="42") 23 24 # overload with template case 25 self.expect_expr("h(10)", result_type="int", result_value="10") 26 27 # ADL lookup case 28 self.expect_expr("f(A::C{})", result_type="int", result_value="4") 29 30 # ADL lookup but no overload 31 self.expect_expr("g(A::C{})", result_type="int", result_value="4") 32 33 # variadic function cases 34 self.expect_expr("var(1)", result_type="int", result_value="10") 35 self.expect_expr("var(1, 2)", result_type="int", result_value="10") 36 37 # Overloaded templated operator case 38 self.expect_expr("b1 > b2", result_type="bool", result_value="true") 39 self.expect_expr("b1 >> b2", result_type="bool", result_value="true") 40 self.expect_expr("b1 << b2", result_type="bool", result_value="true") 41 self.expect_expr("b1 == b2", result_type="bool", result_value="true") 42 43 # Overloaded operator case 44 self.expect_expr("d1 > d2", result_type="bool", result_value="true") 45 self.expect_expr("d1 >> d2", result_type="bool", result_value="true") 46 self.expect_expr("d1 << d2", result_type="bool", result_value="true") 47 self.expect_expr("d1 == d2", result_type="bool", result_value="true") 48 49 @skipIfWindows 50 def test_template_function_with_cast(self): 51 self.do_test_template_function(True) 52 53 @skipIfWindows 54 @expectedFailureAll(debug_info=["dwarf", "gmodules", "dwo"]) 55 def test_template_function_without_cast(self): 56 self.do_test_template_function(False) 57