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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/proto/test/make.cpp
parentInitial commit. (diff)
downloadceph-upstream.tar.xz
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Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/proto/test/make.cpp')
-rw-r--r--src/boost/libs/proto/test/make.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/boost/libs/proto/test/make.cpp b/src/boost/libs/proto/test/make.cpp
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+++ b/src/boost/libs/proto/test/make.cpp
@@ -0,0 +1,98 @@
+///////////////////////////////////////////////////////////////////////////////
+// make.hpp
+//
+// Copyright 2008 Eric Niebler. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/proto/core.hpp>
+#include <boost/proto/transform/arg.hpp>
+#include <boost/proto/transform/make.hpp>
+#include <boost/mpl/identity.hpp>
+#include <boost/test/unit_test.hpp>
+
+namespace mpl = boost::mpl;
+namespace proto = boost::proto;
+using proto::_;
+
+template<typename T>
+struct type2type {};
+
+template<typename T>
+struct wrapper
+{
+ T t_;
+ explicit wrapper(T const & t = T()) : t_(t) {}
+};
+
+template<typename T>
+struct careful
+{
+ typedef typename T::not_there not_there;
+};
+
+// Test that when no substitution is done, we don't instantiate templates
+struct MakeTest1
+ : proto::make< type2type< careful<int> > >
+{};
+
+void make_test1()
+{
+ proto::terminal<int>::type i = {42};
+ type2type< careful<int> > res = MakeTest1()(i);
+}
+
+// Test that when substitution is done, and there is no nested ::type
+// typedef, the result is the wrapper
+struct MakeTest2
+ : proto::make< wrapper< proto::_value > >
+{};
+
+void make_test2()
+{
+ proto::terminal<int>::type i = {42};
+ wrapper<int> res = MakeTest2()(i);
+ BOOST_CHECK_EQUAL(res.t_, 0);
+}
+
+// Test that when substitution is done, and there is no nested ::type
+// typedef, the result is the wrapper
+struct MakeTest3
+ : proto::make< wrapper< proto::_value >(proto::_value) >
+{};
+
+void make_test3()
+{
+ proto::terminal<int>::type i = {42};
+ wrapper<int> res = MakeTest3()(i);
+ BOOST_CHECK_EQUAL(res.t_, 42);
+}
+
+// Test that when substitution is done, and there is no nested ::type
+// typedef, the result is the wrapper
+struct MakeTest4
+ : proto::make< mpl::identity< proto::_value >(proto::_value) >
+{};
+
+void make_test4()
+{
+ proto::terminal<int>::type i = {42};
+ int res = MakeTest4()(i);
+ BOOST_CHECK_EQUAL(res, 42);
+}
+
+using namespace boost::unit_test;
+///////////////////////////////////////////////////////////////////////////////
+// init_unit_test_suite
+//
+test_suite* init_unit_test_suite( int argc, char* argv[] )
+{
+ test_suite *test = BOOST_TEST_SUITE("test the make transform");
+
+ test->add(BOOST_TEST_CASE(&make_test1));
+ test->add(BOOST_TEST_CASE(&make_test2));
+ test->add(BOOST_TEST_CASE(&make_test3));
+ test->add(BOOST_TEST_CASE(&make_test4));
+
+ return test;
+}