Ichthyostega
3caa5cfb03
This resolves a long-standing issue: we could not use proper include paths for test-helper code that was defined alongside the tests. Since some test-helper code must now be relocated into the »Vault«-Layer, I took the opportunity to finally resolve this annoyance. The solution is two-fold * introduce a dedicated test-support library * remove the quirks that were necessary to support some plain-C tests Together, this allows to raise the include-directory by one level, and then to adjust all folder names so that they match the namespace
86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*
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TUPLE-DIAGNOSTICS - helper for diagnostics of type tuples
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Copyright (C)
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2009, Hermann Vosseler <Ichthyostega@web.de>
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**Lumiera** is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version. See the file COPYING for further details.
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* *****************************************************************/
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/** @file tuple-diagnostics.hpp
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** an extension to typelist-diagnostics.hpp, allowing to dump the \em contents of a Tuple datatype.
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** With the help of our [generic string converter](\ref util::toString), and the BuildTupleAccessor
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** defined within tuple-helper.hpp, we're able to show the type and contents of any data record
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** based on std::tuple. For unit-testing, special formatting is provided for the Num<int>
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** test types, which makes typelist and tuples of these types a good candidate for tests.
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**
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** @see TupleHelper_test
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** @see FunctionClosure_test
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** @see TypelistManip_test
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**
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*/
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#ifndef LIB_META_TUPLE_DIAGNOSTICS_H
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#define LIB_META_TUPLE_DIAGNOSTICS_H
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#include "lib/meta/typelist-diagnostics.hpp"
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#include "lib/meta/tuple-helper.hpp"
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#include "lib/format-string.hpp"
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#include "lib/format-obj.hpp"
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#include <string>
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using std::string;
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namespace util {
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template<int i>
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struct StringConv<lib::meta::Num<i>>
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{
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static std::string
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invoke (lib::meta::Num<i> num) noexcept
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{
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static util::_Fmt constElm("(%i)");
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static util::_Fmt changedElm("{%i}");
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return string( (num.o_==i? constElm:changedElm) % int(num.o_));
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}
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};
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}
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namespace lib {
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namespace meta {
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namespace test {
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/* ===== printing Tuple types and contents ===== */
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template<tuple_like TUP>
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inline string
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renderSeq() ///< @note specialisation of type-sequence printer for tuple-like
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{
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using TypeList = RebindTupleTypes<TUP>::List;
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using DumpPrinter = InstantiateChained<TypeList, Printer, NullP>;
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return "TUPLE"
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+ DumpPrinter::show();
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}
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// see the macros DISPLAY and DUMPVAL defined in typelist-diagnostics.hpp
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}}} // namespace lib::meta::test
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#endif /*LIB_META_TUPLE_DIAGNOSTICS_H*/
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