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106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/***
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mockcpp is a generic C/C++ mock framework.
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Copyright (C) <2009> <Darwin Yuan: darwin.yuan@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef __MOCKCPP_GNU_METHOD_INFO_READER_H
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#define __MOCKCPP_GNU_METHOD_INFO_READER_H
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#include <algorithm>
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#include <mockcpp/mockcpp.h>
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#include <mockcpp/OutputStringStream.h>
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#include <mockcpp/MethodTypeTraits.h>
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#include <mockcpp/ReportFailure.h>
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#include <mockcpp/TypeString.h>
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MOCKCPP_NS_START
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///////////////////////////////////////////////////////////
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struct GnuMethodDescription
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{
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union {
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void* addr;
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int index;
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}u;
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int delta;
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};
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///////////////////////////////////////////////////////////
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template <typename Method>
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union MethodDescriptionUnion
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{
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GnuMethodDescription desc;
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Method method;
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};
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///////////////////////////////////////////////////////////
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template <typename Method>
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void* getAddrOfMethod(Method input)
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{
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MethodDescriptionUnion<Method> m;
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m.method = input;
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oss_t oss;
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oss << "Method address should be even, please make sure the method "
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<< TypeString<Method>::value() << " is NOT a virtual method";
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MOCKCPP_ASSERT_TRUE(
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oss.str(),
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!(m.desc.u.index%2));
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return m.desc.u.addr;
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}
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///////////////////////////////////////////////////////////
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template <typename C, typename Method>
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GnuMethodDescription getGnuDescOfVirtualMethod(Method input)
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{
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typedef typename MethodTypeTraits<C, Method>::MethodType ExpectedMethodType;
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MethodDescriptionUnion<ExpectedMethodType> m;
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m.method = input;
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oss_t oss;
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oss << "Virtual method address should be odd, please make sure the method "
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<< TypeString<Method>::value() << " is a virtual method";
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MOCKCPP_ASSERT_TRUE(
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oss.str(),
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(m.desc.u.index%2));
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return m.desc;
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}
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///////////////////////////////////////////////////////////
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template <typename C, typename Method>
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unsigned int getIndexOfMethod(Method method)
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{
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return (getGnuDescOfVirtualMethod<C, Method>(method).u.index - 1)/sizeof(void*);
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}
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///////////////////////////////////////////////////////////
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template <typename C, typename Method>
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unsigned int getDeltaOfMethod(Method method)
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{
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return getGnuDescOfVirtualMethod<C, Method>(method).delta/sizeof(void*);
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}
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MOCKCPP_NS_END
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#endif
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