mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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213 lines
7 KiB
C++
213 lines
7 KiB
C++
#ifndef SPROUT_LIBS_VARIANT_TEST_VARIANT_CPP
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#define SPROUT_LIBS_VARIANT_TEST_VARIANT_CPP
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#include <sstream>
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#include <sprout/variant.hpp>
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#include <testspr/tools.hpp>
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namespace testspr {
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static void variant_test() {
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using namespace sprout;
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{
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SPROUT_STATIC_CONSTEXPR auto var1 = sprout::variant<int, double>(1.0);
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SPROUT_STATIC_CONSTEXPR auto var2 = sprout::variant<int, double>();
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// constructor
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{
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SPROUT_STATIC_CONSTEXPR auto var3 = sprout::variant<int, double>();
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TESTSPR_BOTH_ASSERT(var3.which() == 0);
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TESTSPR_BOTH_ASSERT(sprout::get<int>(var3) == 0);
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}
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{
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SPROUT_STATIC_CONSTEXPR auto var3 = sprout::variant<int, double>(var1);
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TESTSPR_BOTH_ASSERT(var3.which() == 1);
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TESTSPR_BOTH_ASSERT(sprout::get<double>(var3) == 1.0);
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}
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{
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SPROUT_STATIC_CONSTEXPR auto var3 = sprout::variant<int, double>(1.0);
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TESTSPR_BOTH_ASSERT(var3.which() == 1);
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TESTSPR_BOTH_ASSERT(sprout::get<double>(var3) == 1.0);
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}
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// swap
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{
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auto var3 = var1;
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auto var4 = var2;
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var3.swap(var4);
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TESTSPR_ASSERT(var3.which() == 0);
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TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
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TESTSPR_ASSERT(var4.which() == 1);
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TESTSPR_ASSERT(sprout::get<double>(var4) == 1.0);
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}
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{
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auto var3 = var1;
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auto var4 = var2;
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swap(var3, var4);
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TESTSPR_ASSERT(var3.which() == 0);
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TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
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TESTSPR_ASSERT(var4.which() == 1);
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TESTSPR_ASSERT(sprout::get<double>(var4) == 1.0);
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}
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// operator=
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{
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auto var3 = var2;
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var3 = sprout::variant<int, double>(1.0);
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TESTSPR_ASSERT(var3.which() == 1);
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TESTSPR_ASSERT(sprout::get<double>(var3) == 1.0);
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}
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{
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auto var3 = var2;
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var3 = 1.0;
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TESTSPR_ASSERT(var3.which() == 1);
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TESTSPR_ASSERT(sprout::get<double>(var3) == 1.0);
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}
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// which
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TESTSPR_BOTH_ASSERT(var1.which() == 1);
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TESTSPR_BOTH_ASSERT(var2.which() == 0);
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// empty
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TESTSPR_BOTH_ASSERT(!var1.empty());
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TESTSPR_BOTH_ASSERT(!var2.empty());
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// operator==
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TESTSPR_BOTH_ASSERT(!(var1 == var2));
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TESTSPR_BOTH_ASSERT((var1 == sprout::variant<int, double>(1.0)));
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// operator!=
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TESTSPR_BOTH_ASSERT(var1 != var2);
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TESTSPR_BOTH_ASSERT(!(var1 != sprout::variant<int, double>(1.0)));
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// operator<
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TESTSPR_BOTH_ASSERT(!(var1 < var2));
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TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(0.0)));
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TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(1.0)));
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TESTSPR_BOTH_ASSERT((var1 < sprout::variant<int, double>(2.0)));
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TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(0)));
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TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(1)));
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TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(2)));
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// operator>
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TESTSPR_BOTH_ASSERT(var1 > var2);
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TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(0.0)));
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TESTSPR_BOTH_ASSERT(!(var1 > sprout::variant<int, double>(1.0)));
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TESTSPR_BOTH_ASSERT(!(var1 > sprout::variant<int, double>(2.0)));
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TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(0)));
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TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(1)));
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TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(2)));
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// operator<=
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TESTSPR_BOTH_ASSERT(!(var1 <= var2));
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TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(0.0)));
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TESTSPR_BOTH_ASSERT((var1 <= sprout::variant<int, double>(1.0)));
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TESTSPR_BOTH_ASSERT((var1 <= sprout::variant<int, double>(2.0)));
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TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(0)));
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TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(1)));
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TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(2)));
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// operator>=
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TESTSPR_BOTH_ASSERT(var1 >= var2);
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TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(0.0)));
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TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(1.0)));
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TESTSPR_BOTH_ASSERT(!(var1 >= sprout::variant<int, double>(2.0)));
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TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(0)));
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TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(1)));
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TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(2)));
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// get_at
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TESTSPR_BOTH_ASSERT(var1.get_at<1>() == 1.0);
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TESTSPR_BOTH_ASSERT(var2.get_at<0>() == 0);
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{
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auto var3 = var1;
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TESTSPR_ASSERT(var3.get_at<1>() == 1.0);
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}
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{
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auto var3 = var2;
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TESTSPR_ASSERT(var3.get_at<0>() == 0);
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}
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// get
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TESTSPR_BOTH_ASSERT(sprout::get<double>(var1) == 1.0);
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TESTSPR_BOTH_ASSERT(sprout::get<int>(var2) == 0);
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{
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auto var3 = var1;
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TESTSPR_ASSERT(sprout::get<double>(var3) == 1.0);
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}
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{
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auto var3 = var2;
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TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
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}
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// apply_visitor
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TESTSPR_BOTH_ASSERT(var1.apply_visitor(testspr::x2_visitor<double>()) == 2.0);
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TESTSPR_BOTH_ASSERT(var2.apply_visitor(testspr::x2_visitor<double>()) == 0.0);
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{
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auto var3 = var1;
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TESTSPR_ASSERT(var3.apply_visitor(testspr::x2_assign_visitor<double>()) == 2.0);
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TESTSPR_ASSERT(var3.which() == 1);
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TESTSPR_ASSERT(sprout::get<double>(var3) == 2.0);
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}
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{
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auto var3 = var2;
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TESTSPR_ASSERT(var3.apply_visitor(testspr::x2_assign_visitor<double>()) == 0.0);
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TESTSPR_ASSERT(var3.which() == 0);
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TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
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}
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// apply_visitor
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TESTSPR_BOTH_ASSERT(sprout::apply_visitor(testspr::x2_visitor<double>(), var1) == 2.0);
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TESTSPR_BOTH_ASSERT(sprout::apply_visitor(testspr::x2_visitor<double>(), var2) == 0.0);
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{
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auto var3 = var1;
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TESTSPR_ASSERT(sprout::apply_visitor(testspr::x2_assign_visitor<double>(), var3) == 2.0);
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TESTSPR_ASSERT(var3.which() == 1);
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TESTSPR_ASSERT(sprout::get<double>(var3) == 2.0);
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}
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{
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auto var3 = var2;
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TESTSPR_ASSERT(sprout::apply_visitor(testspr::x2_assign_visitor<double>(), var3) == 0.0);
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TESTSPR_ASSERT(var3.which() == 0);
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TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
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}
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// operator<<
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{
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std::ostringstream os;
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os << var1;
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TESTSPR_ASSERT(os.str() == "1");
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}
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{
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std::ostringstream os;
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os << var2;
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TESTSPR_ASSERT(os.str() == "0");
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}
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// tuples::get
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TESTSPR_BOTH_ASSERT(sprout::tuples::get<1>(var1) == 1.0);
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TESTSPR_BOTH_ASSERT(sprout::tuples::get<0>(var2) == 0);
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{
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auto var3 = var1;
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TESTSPR_ASSERT(sprout::tuples::get<1>(var3) == 1.0);
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}
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{
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auto var3 = var2;
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TESTSPR_ASSERT(sprout::tuples::get<0>(var3) == 0);
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}
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// tuple_size
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TESTSPR_BOTH_ASSERT(sprout::tuples::tuple_size<decltype(var1)>::value == 2);
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// tuple_element
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TESTSPR_BOTH_ASSERT((std::is_same<sprout::tuples::tuple_element<0, decltype(var1)>::type, int const>::value));
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TESTSPR_BOTH_ASSERT((std::is_same<sprout::tuples::tuple_element<1, decltype(var1)>::type, double const>::value));
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}
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}
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} // namespace testspr
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#ifndef TESTSPR_CPP_INCLUDE
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# define TESTSPR_TEST_FUNCTION testspr::variant_test
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# include <testspr/include_main.hpp>
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#endif
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#endif // #ifndef SPROUT_LIBS_VARIANT_TEST_VARIANT_CPP
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