607 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			607 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Python
		
	
	
"""
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GTSAM Copyright 2010-2020, Georgia Tech Research Corporation,
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Atlanta, Georgia 30332-0415
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All Rights Reserved
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See LICENSE for the license information
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Tests for template_instantiator.
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Author: Varun Agrawal
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"""
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# pylint: disable=import-error,wrong-import-position
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import os
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import sys
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import unittest
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from gtwrap.interface_parser import (Argument, ArgumentList, Class,
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                                     Constructor, ForwardDeclaration,
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                                     GlobalFunction, Include, Method,
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                                     Namespace, ReturnType, StaticMethod,
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                                     Typename)
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from gtwrap.template_instantiator import (
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    InstantiatedClass, InstantiatedConstructor, InstantiatedDeclaration,
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    InstantiatedGlobalFunction, InstantiatedMethod, InstantiatedStaticMethod,
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    InstantiationHelper, instantiate_args_list, instantiate_name,
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    instantiate_namespace, instantiate_return_type, instantiate_type,
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    is_scoped_template)
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class TestInstantiationHelper(unittest.TestCase):
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    """Tests for the InstantiationHelper class."""
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    def test_constructor(self):
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        """Test constructor."""
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        helper = InstantiationHelper(InstantiatedClass)
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        self.assertEqual(helper.instantiation_type, InstantiatedClass)
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        helper = InstantiationHelper(InstantiatedConstructor)
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        self.assertEqual(helper.instantiation_type, InstantiatedConstructor)
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        helper = InstantiationHelper(InstantiatedDeclaration)
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        self.assertEqual(helper.instantiation_type, InstantiatedDeclaration)
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        helper = InstantiationHelper(InstantiatedGlobalFunction)
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        self.assertEqual(helper.instantiation_type, InstantiatedGlobalFunction)
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        helper = InstantiationHelper(InstantiatedMethod)
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        self.assertEqual(helper.instantiation_type, InstantiatedMethod)
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        helper = InstantiationHelper(InstantiatedStaticMethod)
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        self.assertEqual(helper.instantiation_type, InstantiatedStaticMethod)
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    def test_instantiate(self):
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        """Test instantiate method."""
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        method = Method.rule.parseString("""
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            template<U={double}>
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            double method(const T x, const U& param);
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            """)[0]
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        cls = Class.rule.parseString("""
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            template<T={string}>
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            class Foo {};
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        """)[0]
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        typenames = ['T', 'U']
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        class_instantiations = [Typename.rule.parseString("string")[0]]
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        method_instantiations = [Typename.rule.parseString("double")[0]]
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        parent = InstantiatedClass(cls, class_instantiations)
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        helper = InstantiationHelper(InstantiatedMethod)
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        instantiated_methods = helper.instantiate([], method, typenames,
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                                                  class_instantiations,
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                                                  method_instantiations,
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                                                  parent)
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        self.assertEqual(len(instantiated_methods), 1)
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        args_list = instantiated_methods[0].args.list()
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        self.assertEqual(args_list[0].ctype.get_typename(), 'string')
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        self.assertEqual(args_list[1].ctype.get_typename(), 'double')
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    def test_multilevel_instantiation(self):
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        """
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        Test method for multilevel instantiation
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        i.e. instantiation at both the class and method level.
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        """
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        cls = Class.rule.parseString("""
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            template<T={string}>
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            class Foo {
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                template<U={double}>
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                double method1(const T x, const U& param);
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                template<V={int}>
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                V method2(const T x);
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            };
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        """)[0]
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        typenames = ['T']
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        class_instantiations = [Typename.rule.parseString("string")[0]]
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        parent = InstantiatedClass(cls, class_instantiations)
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        helper = InstantiationHelper(InstantiatedMethod)
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        instantiated_methods = helper.multilevel_instantiation(
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            cls.methods, typenames, parent)
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        self.assertEqual(len(instantiated_methods), 2)
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        self.assertEqual(
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            instantiated_methods[0].args.list()[0].ctype.get_typename(),
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            'string')
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        self.assertEqual(
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            instantiated_methods[0].args.list()[1].ctype.get_typename(),
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            'double')
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        self.assertEqual(
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            instantiated_methods[1].args.list()[0].ctype.get_typename(),
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            'string')
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        self.assertEqual(
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            instantiated_methods[1].return_type.type1.get_typename(), 'int')
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class TestInstantiatedGlobalFunction(unittest.TestCase):
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    """Tests for the InstantiatedGlobalFunction class."""
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    def setUp(self):
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        original = GlobalFunction.rule.parseString("""
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            template<T={int}, R={double}>
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            R function(const T& x);
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        """)[0]
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        instantiations = [
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            Typename.rule.parseString("int")[0],
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            Typename.rule.parseString("double")[0]
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        ]
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        self.func = InstantiatedGlobalFunction(original, instantiations)
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    def test_constructor(self):
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        """Test constructor."""
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        self.assertIsInstance(self.func, InstantiatedGlobalFunction)
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        self.assertIsInstance(self.func.original, GlobalFunction)
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        self.assertEqual(self.func.name, "functionIntDouble")
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        self.assertEqual(len(self.func.args.list()), 1)
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        self.assertEqual(self.func.args.list()[0].ctype.get_typename(), "int")
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        self.assertEqual(self.func.return_type.type1.get_typename(), "double")
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    def test_to_cpp(self):
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        """Test to_cpp method."""
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        actual = self.func.to_cpp()
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        self.assertEqual(actual, "function<int,double>")
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class TestInstantiatedConstructor(unittest.TestCase):
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    """Tests for the InstantiatedConstructor class."""
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    def setUp(self):
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        constructor = Constructor.rule.parseString("""
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            template<U={double}>
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            Class(C x, const U& param);
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            """)[0]
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        instantiations = [
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            Typename.rule.parseString("double")[0],
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            Typename.rule.parseString("string")[0]
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        ]
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        self.constructor = InstantiatedConstructor(constructor, instantiations)
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    def test_constructor(self):
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        """Test constructor."""
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        self.assertIsInstance(self.constructor, InstantiatedConstructor)
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        self.assertIsInstance(self.constructor.original, Constructor)
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    def test_construct(self):
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        """Test the construct classmethod."""
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        constructor = Constructor.rule.parseString("""
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            template<U={double}>
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            Class(C x, const U& param);
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            """)[0]
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        c = Class.rule.parseString("""
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            template<C={string}>
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            class Class {};
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        """)[0]
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        class_instantiations = [Typename.rule.parseString("double")[0]]
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        method_instantiations = [Typename.rule.parseString("string")[0]]
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        typenames = ['C', 'U']
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        parent = InstantiatedClass(c, class_instantiations)
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        instantiated_args = instantiate_args_list(
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            constructor.args.list(),
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            typenames, class_instantiations + method_instantiations,
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            parent.cpp_typename())
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        instantiated_constructor = InstantiatedConstructor.construct(
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            constructor, typenames, class_instantiations,
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            method_instantiations, instantiated_args, parent)
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        self.assertEqual(instantiated_constructor.name, "ClassDouble")
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        self.assertEqual(
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            instantiated_constructor.args.list()[0].ctype.get_typename(),
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            "double")
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        self.assertEqual(
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            instantiated_constructor.args.list()[1].ctype.get_typename(),
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            "string")
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    def test_to_cpp(self):
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        """Test the to_cpp method."""
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        actual = self.constructor.to_cpp()
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        self.assertEqual(actual, "Class<double,string>")
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class TestInstantiatedMethod(unittest.TestCase):
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    """Tests for the InstantiatedMethod class."""
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    def setUp(self):
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        method = Method.rule.parseString("""
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            template<U={double}>
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            double method(const U& param);
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            """)[0]
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        instantiations = [Typename.rule.parseString("double")[0]]
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        self.method = InstantiatedMethod(method, instantiations)
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    def test_constructor(self):
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        """Test constructor."""
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        self.assertIsInstance(self.method, InstantiatedMethod)
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        self.assertIsInstance(self.method.original, Method)
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        self.assertEqual(self.method.name, "methodDouble")
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    def test_construct(self):
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        """Test the construct classmethod."""
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        method = Method.rule.parseString("""
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            template<U={double}>
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            T method(U& param);
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            """)[0]
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        method_instantiations = [Typename.rule.parseString("double")[0]]
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        c = Class.rule.parseString("""
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            template<T={string}>
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            class Class {};
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        """)[0]
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        class_instantiations = [Typename.rule.parseString("string")[0]]
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        typenames = ['T', 'U']
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        parent = InstantiatedClass(c, class_instantiations)
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        instantiated_args = instantiate_args_list(
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            method.args.list(),
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            typenames, class_instantiations + method_instantiations,
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            parent.cpp_typename())
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        instantiated_method = InstantiatedMethod.construct(
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            method, typenames, class_instantiations, method_instantiations,
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            instantiated_args, parent)
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        self.assertEqual(instantiated_method.name, "methodDouble")
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        self.assertEqual(
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            instantiated_method.args.list()[0].ctype.get_typename(), "double")
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        self.assertEqual(instantiated_method.return_type.type1.get_typename(),
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                         "string")
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    def test_to_cpp(self):
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        """Test the to_cpp method."""
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        actual = self.method.to_cpp()
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        self.assertEqual(actual, "method<double>")
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class TestInstantiatedStaticMethod(unittest.TestCase):
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    """Tests for the InstantiatedStaticMethod class."""
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    def setUp(self):
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        static_method = StaticMethod.rule.parseString("""
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            template<U={double}>
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            static T staticMethod(const U& param);
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            """)[0]
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        instantiations = [Typename.rule.parseString("double")[0]]
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        self.static_method = InstantiatedStaticMethod(static_method,
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                                                      instantiations)
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    def test_constructor(self):
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        """Test constructor."""
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        self.assertIsInstance(self.static_method, InstantiatedStaticMethod)
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        self.assertIsInstance(self.static_method.original, StaticMethod)
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        self.assertEqual(self.static_method.name, "staticMethodDouble")
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    def test_construct(self):
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        """Test the construct classmethod."""
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        static_method = StaticMethod.rule.parseString("""
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            template<U={double}>
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            static T staticMethod(U& param);
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            """)[0]
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        method_instantiations = [Typename.rule.parseString("double")[0]]
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        c = Class.rule.parseString("""
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            template<T={string}>
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            class Class {};
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        """)[0]
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        class_instantiations = [Typename.rule.parseString("string")[0]]
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        typenames = ['T', 'U']
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        parent = InstantiatedClass(c, class_instantiations)
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        instantiated_args = instantiate_args_list(
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            static_method.args.list(),
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            typenames, class_instantiations + method_instantiations,
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            parent.cpp_typename())
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        instantiated_static_method = InstantiatedStaticMethod.construct(
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            static_method, typenames, class_instantiations,
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            method_instantiations, instantiated_args, parent)
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        self.assertEqual(instantiated_static_method.name, "staticMethodDouble")
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        self.assertEqual(
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            instantiated_static_method.args.list()[0].ctype.get_typename(),
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            "double")
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        self.assertEqual(
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            instantiated_static_method.return_type.type1.get_typename(),
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            "string")
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    def test_to_cpp(self):
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        """Test the to_cpp method."""
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        actual = self.static_method.to_cpp()
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        self.assertEqual(actual, "staticMethod<double>")
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class TestInstantiatedClass(unittest.TestCase):
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    """Tests for the InstantiatedClass class."""
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    def setUp(self):
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        cl = Class.rule.parseString("""
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            template<T={string}>
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            class Foo {
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                template<C={int}>
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                Foo(C& c);
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                template<S={char}>
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                static T staticMethod(const S& s);
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                template<M={double}>
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                T method(const M& m);
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                T operator*(T other) const;
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                T prop;
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            };
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        """)[0]
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        class_instantiations = [Typename.rule.parseString('string')[0]]
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        self.member_instantiations = [
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            Typename.rule.parseString('int')[0],
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            Typename.rule.parseString('char')[0],
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            Typename.rule.parseString('double')[0],
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        ]
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        self.cl = InstantiatedClass(cl, class_instantiations)
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        self.typenames = self.cl.original.template.typenames
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    def test_constructor(self):
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        """Test constructor."""
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        self.assertIsInstance(self.cl, InstantiatedClass)
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        self.assertIsInstance(self.cl.original, Class)
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        self.assertEqual(self.cl.name, "FooString")
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    def test_instantiate_ctors(self):
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        """Test instantiate_ctors method."""
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        ctors = self.cl.instantiate_ctors(self.typenames)
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        self.assertEqual(len(ctors), 1)
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        self.assertEqual(ctors[0].name, "FooString")
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        self.assertEqual(ctors[0].args.list()[0].ctype.get_typename(), "int")
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    def test_instantiate_static_methods(self):
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        """Test instantiate_static_methods method."""
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        static_methods = self.cl.instantiate_static_methods(self.typenames)
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        self.assertEqual(len(static_methods), 1)
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        self.assertEqual(static_methods[0].name, "staticMethodChar")
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        self.assertEqual(static_methods[0].args.list()[0].ctype.get_typename(),
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                         "char")
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        self.assertEqual(static_methods[0].return_type.type1.get_typename(),
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                         "string")
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    def test_instantiate_methods(self):
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        """Test instantiate_methods method."""
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        methods = self.cl.instantiate_methods(self.typenames)
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        self.assertEqual(len(methods), 1)
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        self.assertEqual(methods[0].name, "methodDouble")
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        self.assertEqual(methods[0].args.list()[0].ctype.get_typename(),
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                         "double")
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        self.assertEqual(methods[0].return_type.type1.get_typename(), "string")
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    def test_instantiate_operators(self):
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        """Test instantiate_operators method."""
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        operators = self.cl.instantiate_operators(self.typenames)
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        self.assertEqual(len(operators), 1)
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        self.assertEqual(operators[0].operator, "*")
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        self.assertEqual(operators[0].args.list()[0].ctype.get_typename(),
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                         "string")
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        self.assertEqual(operators[0].return_type.type1.get_typename(),
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                         "string")
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    def test_instantiate_properties(self):
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        """Test instantiate_properties method."""
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        properties = self.cl.instantiate_properties(self.typenames)
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        self.assertEqual(len(properties), 1)
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        self.assertEqual(properties[0].name, "prop")
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        self.assertEqual(properties[0].ctype.get_typename(), "string")
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    def test_cpp_typename(self):
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        """Test cpp_typename method."""
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        actual = self.cl.cpp_typename()
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        self.assertEqual(actual.name, "Foo<string>")
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    def test_to_cpp(self):
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        """Test to_cpp method."""
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        actual = self.cl.to_cpp()
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        self.assertEqual(actual, "Foo<string>")
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class TestInstantiatedDeclaration(unittest.TestCase):
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    """Tests for the InstantiatedDeclaration class."""
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    def setUp(self):
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        #TODO(Varun) Need to support templated class forward declaration.
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        forward_declaration = ForwardDeclaration.rule.parseString("""
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            class FooBar;
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            """)[0]
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        instantiations = [Typename.rule.parseString("double")[0]]
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        self.declaration = InstantiatedDeclaration(
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            forward_declaration, instantiations=instantiations)
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    def test_constructor(self):
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        """Test constructor."""
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        self.assertIsInstance(self.declaration, InstantiatedDeclaration)
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        self.assertIsInstance(self.declaration.original, ForwardDeclaration)
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        self.assertEqual(self.declaration.instantiations[0].name, "double")
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    def test_to_cpp(self):
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        """Test to_cpp method."""
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        cpp = self.declaration.to_cpp()
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        self.assertEqual(cpp, "FooBar<double>")
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class TestTemplateInstantiator(unittest.TestCase):
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    """
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    Test overall template instantiation and the functions in the module.
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    """
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    def test_scoped_template(self):
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        """Test is_scoped_template."""
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        # Test if not scoped template.
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        template_typenames = ['T']
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        str_arg_typename = "double"
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        scoped_template, scoped_idx = is_scoped_template(
 | 
						|
            template_typenames, str_arg_typename)
 | 
						|
        self.assertFalse(scoped_template)
 | 
						|
        self.assertEqual(scoped_idx, -1)
 | 
						|
 | 
						|
        # Check for correct template match.
 | 
						|
        template_typenames = ['T']
 | 
						|
        str_arg_typename = "gtsam::Matrix"
 | 
						|
        scoped_template, scoped_idx = is_scoped_template(
 | 
						|
            template_typenames, str_arg_typename)
 | 
						|
        self.assertFalse(scoped_template)
 | 
						|
        self.assertEqual(scoped_idx, -1)
 | 
						|
 | 
						|
        # Test scoped templatte
 | 
						|
        template_typenames = ['T']
 | 
						|
        str_arg_typename = "T::Value"
 | 
						|
        scoped_template, scoped_idx = is_scoped_template(
 | 
						|
            template_typenames, str_arg_typename)
 | 
						|
        self.assertEqual(scoped_template, "T")
 | 
						|
        self.assertEqual(scoped_idx, 0)
 | 
						|
 | 
						|
        template_typenames = ['U', 'T']
 | 
						|
        str_arg_typename = "T::Value"
 | 
						|
        scoped_template, scoped_idx = is_scoped_template(
 | 
						|
            template_typenames, str_arg_typename)
 | 
						|
        self.assertEqual(scoped_template, "T")
 | 
						|
        self.assertEqual(scoped_idx, 1)
 | 
						|
 | 
						|
    def test_instantiate_type(self):
 | 
						|
        """Test for instantiate_type."""
 | 
						|
        arg = Argument.rule.parseString("const T x")[0]
 | 
						|
        template_typenames = ["T"]
 | 
						|
        instantiations = [Typename.rule.parseString("double")[0]]
 | 
						|
        cpp_typename = "ExampleClass"
 | 
						|
        new_type = instantiate_type(arg.ctype,
 | 
						|
                                    template_typenames,
 | 
						|
                                    instantiations=instantiations,
 | 
						|
                                    cpp_typename=cpp_typename,
 | 
						|
                                    instantiated_class=None)
 | 
						|
 | 
						|
        new_typename = new_type.typename
 | 
						|
        self.assertEqual(new_typename.name, "double")
 | 
						|
        self.assertEqual(new_typename.instantiated_name(), "double")
 | 
						|
 | 
						|
    def test_instantiate_args_list(self):
 | 
						|
        """Test for instantiate_args_list."""
 | 
						|
        args = ArgumentList.rule.parseString("T x, double y, string z")[0]
 | 
						|
        args_list = args.list()
 | 
						|
        template_typenames = ['T']
 | 
						|
        instantiations = [Typename.rule.parseString("double")[0]]
 | 
						|
        instantiated_args_list = instantiate_args_list(
 | 
						|
            args_list,
 | 
						|
            template_typenames,
 | 
						|
            instantiations,
 | 
						|
            cpp_typename="ExampleClass")
 | 
						|
 | 
						|
        self.assertEqual(instantiated_args_list[0].ctype.get_typename(),
 | 
						|
                         "double")
 | 
						|
 | 
						|
        args = ArgumentList.rule.parseString("T x, U y, string z")[0]
 | 
						|
        args_list = args.list()
 | 
						|
        template_typenames = ['T', 'U']
 | 
						|
        instantiations = [
 | 
						|
            Typename.rule.parseString("double")[0],
 | 
						|
            Typename.rule.parseString("Matrix")[0]
 | 
						|
        ]
 | 
						|
        instantiated_args_list = instantiate_args_list(
 | 
						|
            args_list,
 | 
						|
            template_typenames,
 | 
						|
            instantiations,
 | 
						|
            cpp_typename="ExampleClass")
 | 
						|
        self.assertEqual(instantiated_args_list[0].ctype.get_typename(),
 | 
						|
                         "double")
 | 
						|
        self.assertEqual(instantiated_args_list[1].ctype.get_typename(),
 | 
						|
                         "Matrix")
 | 
						|
 | 
						|
        args = ArgumentList.rule.parseString("T x, U y, T z")[0]
 | 
						|
        args_list = args.list()
 | 
						|
        template_typenames = ['T', 'U']
 | 
						|
        instantiations = [
 | 
						|
            Typename.rule.parseString("double")[0],
 | 
						|
            Typename.rule.parseString("Matrix")[0]
 | 
						|
        ]
 | 
						|
        instantiated_args_list = instantiate_args_list(
 | 
						|
            args_list,
 | 
						|
            template_typenames,
 | 
						|
            instantiations,
 | 
						|
            cpp_typename="ExampleClass")
 | 
						|
        self.assertEqual(instantiated_args_list[0].ctype.get_typename(),
 | 
						|
                         "double")
 | 
						|
        self.assertEqual(instantiated_args_list[1].ctype.get_typename(),
 | 
						|
                         "Matrix")
 | 
						|
        self.assertEqual(instantiated_args_list[2].ctype.get_typename(),
 | 
						|
                         "double")
 | 
						|
 | 
						|
    def test_instantiate_return_type(self):
 | 
						|
        """Test for instantiate_return_type."""
 | 
						|
        return_type = ReturnType.rule.parseString("T")[0]
 | 
						|
        template_typenames = ['T']
 | 
						|
        instantiations = [Typename.rule.parseString("double")[0]]
 | 
						|
        instantiated_return_type = instantiate_return_type(
 | 
						|
            return_type,
 | 
						|
            template_typenames,
 | 
						|
            instantiations,
 | 
						|
            cpp_typename="ExampleClass")
 | 
						|
 | 
						|
        self.assertEqual(instantiated_return_type.type1.get_typename(),
 | 
						|
                         "double")
 | 
						|
 | 
						|
        return_type = ReturnType.rule.parseString("pair<T, U>")[0]
 | 
						|
        template_typenames = ['T', 'U']
 | 
						|
        instantiations = [
 | 
						|
            Typename.rule.parseString("double")[0],
 | 
						|
            Typename.rule.parseString("char")[0],
 | 
						|
        ]
 | 
						|
        instantiated_return_type = instantiate_return_type(
 | 
						|
            return_type,
 | 
						|
            template_typenames,
 | 
						|
            instantiations,
 | 
						|
            cpp_typename="ExampleClass")
 | 
						|
 | 
						|
        self.assertEqual(instantiated_return_type.type1.get_typename(),
 | 
						|
                         "double")
 | 
						|
        self.assertEqual(instantiated_return_type.type2.get_typename(), "char")
 | 
						|
 | 
						|
    def test_instantiate_name(self):
 | 
						|
        """Test for instantiate_name."""
 | 
						|
        instantiations = [Typename.rule.parseString("Man")[0]]
 | 
						|
        instantiated_name = instantiate_name("Iron", instantiations)
 | 
						|
        self.assertEqual(instantiated_name, "IronMan")
 | 
						|
 | 
						|
    def test_instantiate_namespace(self):
 | 
						|
        """Test for instantiate_namespace."""
 | 
						|
        namespace = Namespace.rule.parseString("""
 | 
						|
            namespace gtsam {
 | 
						|
                #include <gtsam/nonlinear/Values.h>
 | 
						|
                template<T={gtsam::Basis}>
 | 
						|
                class Values {
 | 
						|
                    Values(const T& other);
 | 
						|
 | 
						|
                    template<V={Vector, Matrix}>
 | 
						|
                    void insert(size_t j, V x);
 | 
						|
 | 
						|
                    template<S={double}>
 | 
						|
                    static S staticMethod(const S& s);
 | 
						|
                };
 | 
						|
            }
 | 
						|
        """)[0]
 | 
						|
        instantiated_namespace = instantiate_namespace(namespace)
 | 
						|
 | 
						|
        self.assertEqual(instantiated_namespace.name, "gtsam")
 | 
						|
        self.assertEqual(instantiated_namespace.parent, "")
 | 
						|
 | 
						|
        self.assertEqual(instantiated_namespace.content[0].header,
 | 
						|
                         "gtsam/nonlinear/Values.h")
 | 
						|
        self.assertIsInstance(instantiated_namespace.content[0], Include)
 | 
						|
 | 
						|
        self.assertEqual(instantiated_namespace.content[1].name, "ValuesBasis")
 | 
						|
        self.assertIsInstance(instantiated_namespace.content[1], Class)
 | 
						|
 | 
						|
        self.assertIsInstance(instantiated_namespace.content[1].ctors[0],
 | 
						|
                              Constructor)
 | 
						|
        self.assertEqual(instantiated_namespace.content[1].ctors[0].name,
 | 
						|
                         "ValuesBasis")
 | 
						|
 | 
						|
        self.assertIsInstance(instantiated_namespace.content[1].methods[0],
 | 
						|
                              Method)
 | 
						|
        self.assertIsInstance(instantiated_namespace.content[1].methods[1],
 | 
						|
                              Method)
 | 
						|
        self.assertEqual(instantiated_namespace.content[1].methods[0].name,
 | 
						|
                         "insertVector")
 | 
						|
        self.assertEqual(instantiated_namespace.content[1].methods[1].name,
 | 
						|
                         "insertMatrix")
 | 
						|
 | 
						|
        self.assertIsInstance(
 | 
						|
            instantiated_namespace.content[1].static_methods[0], StaticMethod)
 | 
						|
        self.assertEqual(
 | 
						|
            instantiated_namespace.content[1].static_methods[0].name,
 | 
						|
            "staticMethodDouble")
 | 
						|
 | 
						|
 | 
						|
if __name__ == '__main__':
 | 
						|
    unittest.main()
 |