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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/variant/test/test1.cpp
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.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/variant/test/test1.cpp')
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1 files changed, 150 insertions, 0 deletions
diff --git a/src/boost/libs/variant/test/test1.cpp b/src/boost/libs/variant/test/test1.cpp
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+//-----------------------------------------------------------------------------
+// boost-libs variant/test/test1.cpp header file
+// See http://www.boost.org for updates, documentation, and revision history.
+//-----------------------------------------------------------------------------
+//
+// Copyright (c) 2003
+// Eric Friedman, Itay Maman
+//
+// 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/config.hpp"
+
+#ifdef BOOST_MSVC
+#pragma warning(disable:4244) // conversion from const int to const short
+#endif
+
+#include "boost/core/lightweight_test.hpp"
+#include "boost/variant.hpp"
+
+#include "class_a.h"
+#include "jobs.h"
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+
+
+void run()
+{
+
+ using boost::apply_visitor;
+ using boost::variant;
+ using std::string;
+ using std::vector;
+ using std::cout;
+ using std::endl;
+
+ typedef variant< char*, string, short > t_var0;
+ typedef variant< int, string, double > t_var1;
+ typedef variant< short, const char* > t_var2;
+ typedef variant< string, char > t_var3;
+ typedef variant< unsigned short, const char* > t_var4;
+ typedef variant< unsigned short, const char*, t_var2 > t_var5;
+ typedef variant< unsigned short, const char*, t_var5 > t_var6;
+ typedef variant< class_a, const void* > t_var7;
+ typedef variant< t_var6, int > t_var8;
+ typedef variant< t_var8, unsigned short > t_var9;
+ typedef variant< char, unsigned char > t_var10;
+ typedef variant< short, int, vector<int>, long> t_var11;
+
+ t_var1 v1;
+ t_var0 v0;
+ t_var2 v2;
+ t_var3 v3;
+ t_var4 v4;
+ t_var5 v5;
+ t_var6 v6;
+ t_var7 v7;
+ t_var8 v8;
+ t_var9 v9;
+ t_var10 v10;
+ t_var11 v11;
+
+
+ //
+ // Check assignment rules
+ //
+
+ v2 = 4;
+ v4 = v2;
+ verify(v4, spec<unsigned short>());
+
+ v2 = "abc";
+ v4 = v2;
+ verify(v4, spec<const char*>(), "[V] abc");
+
+ v5 = "def";
+ verify(v5, spec<const char*>(), "[V] def");
+
+ v5 = v2;
+ verify(v5, spec<t_var2>(), "[V] [V] abc");
+
+ v6 = 58;
+ verify(v6, spec<unsigned short>(), "[V] 58");
+
+ v6 = v5;
+ verify(v6, spec<t_var5>(), "[V] [V] [V] abc");
+
+ v8 = v2;
+ verify(v8, spec<t_var6>(), "[V] [V] abc");
+
+ v8 = v6;
+ verify(v8, spec<t_var6>(), "[V] [V] [V] [V] abc");
+
+ v7 = v2;
+ verify(v7, spec<const void*>());
+
+ v7 = 199;
+ verify(v7, spec<class_a>(), "[V] class_a(199)");
+
+ v2 = 200;
+ v7 = v2;
+ verify(v7, spec<class_a>(), "[V] class_a(200)");
+
+
+
+ //
+ // Check sizes of held values
+ //
+ total_sizeof ts;
+
+ v1 = 5.9;
+ apply_visitor(ts, v1);
+
+ v1 = 'B';
+ apply_visitor(ts, v1);
+
+ v1 = 3.4f;
+ apply_visitor(ts, v1);
+
+ BOOST_TEST(ts.result() == sizeof(int) + sizeof(double)*2);
+
+ v11 = 5;
+ string res_s = apply_visitor(int_printer(), v11);
+ BOOST_TEST(res_s == "5");
+
+ //
+ // A variant object holding an std::vector
+ //
+ vector<int> int_vec_1;
+ int_vec_1.push_back(512);
+ int_vec_1.push_back(256);
+ int_vec_1.push_back(128);
+ int_vec_1.push_back(64);
+
+ v11 = int_vec_1;
+ res_s = apply_visitor(int_printer(), v11);
+ BOOST_TEST(res_s == ",512,256,128,64");
+}
+
+
+
+int main()
+{
+ run();
+ return boost::report_errors();
+}