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$var n = 50 $$ Maximum length of type lists we want to support.
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// Copyright 2008 Google Inc.
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// All Rights Reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: wan@google.com (Zhanyong Wan)
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// Type utilities needed for implementing typed and type-parameterized
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// tests. This file is generated by a SCRIPT. DO NOT EDIT BY HAND!
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// Currently we support at most $n types in a list, and at most $n
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// type-parameterized tests in one type-parameterized test case.
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// Please contact googletestframework@googlegroups.com if you need
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#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
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#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
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#include "gtest/internal/gtest-port.h"
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// #ifdef __GNUC__ is too general here. It is possible to use gcc without using
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// libstdc++ (which is where cxxabi.h comes from).
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# if GTEST_HAS_CXXABI_H_
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# elif defined(__HP_aCC)
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# include <acxx_demangle.h>
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# endif // GTEST_HASH_CXXABI_H_
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// GetTypeName<T>() returns a human-readable name of type T.
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// NB: This function is also used in Google Mock, so don't move it inside of
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// the typed-test-only section below.
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std::string GetTypeName() {
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const char* const name = typeid(T).name();
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# if GTEST_HAS_CXXABI_H_ || defined(__HP_aCC)
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// gcc's implementation of typeid(T).name() mangles the type name,
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// so we have to demangle it.
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# if GTEST_HAS_CXXABI_H_
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using abi::__cxa_demangle;
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# endif // GTEST_HAS_CXXABI_H_
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char* const readable_name = __cxa_demangle(name, 0, 0, &status);
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const std::string name_str(status == 0 ? readable_name : name);
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# endif // GTEST_HAS_CXXABI_H_ || __HP_aCC
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# endif // GTEST_HAS_RTTI
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#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
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// AssertyTypeEq<T1, T2>::type is defined iff T1 and T2 are the same
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// type. This can be used as a compile-time assertion to ensure that
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// two types are equal.
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template <typename T1, typename T2>
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struct AssertTypeEq<T, T> {
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// A unique type used as the default value for the arguments of class
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// template Types. This allows us to simulate variadic templates
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// (e.g. Types<int>, Type<int, double>, and etc), which C++ doesn't
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// The following family of struct and struct templates are used to
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// represent type lists. In particular, TypesN<T1, T2, ..., TN>
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// represents a type list with N types (T1, T2, ..., and TN) in it.
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// Except for Types0, every struct in the family has two member types:
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// Head for the first type in the list, and Tail for the rest of the
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// The empty type list.
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// Type lists of length 1, 2, 3, and so on.
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template <typename T1>
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template <$for j, [[typename T$j]]>
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typedef Types$(i-1)<$for k, [[T$k]]> Tail;
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} // namespace internal
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// We don't want to require the users to write TypesN<...> directly,
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// as that would require them to count the length. Types<...> is much
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// easier to write, but generates horrible messages when there is a
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// compiler error, as gcc insists on printing out each template
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// argument, even if it has the default value (this means Types<int>
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// will appear as Types<int, None, None, ..., None> in the compiler
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// Our solution is to combine the best part of the two approaches: a
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// user would write Types<T1, ..., TN>, and Google Test will translate
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// that to TypesN<T1, ..., TN> internally to make error messages
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// readable. The translation is done by the 'type' member of the
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template <$for i, [[typename T$i = internal::None]]>
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typedef internal::Types$n<$for i, [[T$i]]> type;
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struct Types<$for i, [[internal::None]]> {
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typedef internal::Types0 type;
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template <$for j, [[typename T$j]]>
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struct Types<$for j, [[T$j]]$for k[[, internal::None]]> {
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typedef internal::Types$i<$for j, [[T$j]]> type;
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# define GTEST_TEMPLATE_ template <typename T> class
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// The template "selector" struct TemplateSel<Tmpl> is used to
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// represent Tmpl, which must be a class template with one type
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// parameter, as a type. TemplateSel<Tmpl>::Bind<T>::type is defined
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// as the type Tmpl<T>. This allows us to actually instantiate the
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// template "selected" by TemplateSel<Tmpl>.
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// This trick is necessary for simulating typedef for class templates,
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// which C++ doesn't support directly.
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template <GTEST_TEMPLATE_ Tmpl>
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template <typename T>
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typedef Tmpl<T> type;
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# define GTEST_BIND_(TmplSel, T) \
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TmplSel::template Bind<T>::type
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// A unique struct template used as the default value for the
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// arguments of class template Templates. This allows us to simulate
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// variadic templates (e.g. Templates<int>, Templates<int, double>,
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// and etc), which C++ doesn't support directly.
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template <typename T>
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// The following family of struct and struct templates are used to
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// represent template lists. In particular, TemplatesN<T1, T2, ...,
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// TN> represents a list of N templates (T1, T2, ..., and TN). Except
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// for Templates0, every struct in the family has two member types:
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// Head for the selector of the first template in the list, and Tail
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// for the rest of the list.
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// The empty template list.
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struct Templates0 {};
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// Template lists of length 1, 2, 3, and so on.
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template <GTEST_TEMPLATE_ T1>
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typedef TemplateSel<T1> Head;
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typedef Templates0 Tail;
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template <$for j, [[GTEST_TEMPLATE_ T$j]]>
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typedef TemplateSel<T1> Head;
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typedef Templates$(i-1)<$for k, [[T$k]]> Tail;
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// We don't want to require the users to write TemplatesN<...> directly,
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// as that would require them to count the length. Templates<...> is much
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// easier to write, but generates horrible messages when there is a
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// compiler error, as gcc insists on printing out each template
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// argument, even if it has the default value (this means Templates<list>
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// will appear as Templates<list, NoneT, NoneT, ..., NoneT> in the compiler
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// Our solution is to combine the best part of the two approaches: a
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// user would write Templates<T1, ..., TN>, and Google Test will translate
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// that to TemplatesN<T1, ..., TN> internally to make error messages
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// readable. The translation is done by the 'type' member of the
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// Templates template.
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template <$for i, [[GTEST_TEMPLATE_ T$i = NoneT]]>
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typedef Templates$n<$for i, [[T$i]]> type;
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struct Templates<$for i, [[NoneT]]> {
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typedef Templates0 type;
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template <$for j, [[GTEST_TEMPLATE_ T$j]]>
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struct Templates<$for j, [[T$j]]$for k[[, NoneT]]> {
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typedef Templates$i<$for j, [[T$j]]> type;
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// The TypeList template makes it possible to use either a single type
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// or a Types<...> list in TYPED_TEST_CASE() and
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// INSTANTIATE_TYPED_TEST_CASE_P().
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template <typename T>
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typedef Types1<T> type;
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template <$for i, [[typename T$i]]>
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struct TypeList<Types<$for i, [[T$i]]> > {
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typedef typename Types<$for i, [[T$i]]>::type type;
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#endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
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} // namespace internal
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} // namespace testing
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#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
added
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3rd_party/gmock/gtest/include/gtest/internal/gtest-type-util.h.pump
