46     std::tuple t1(42);  in test_primary_template()
47     ASSERT_SAME_TYPE(decltype(t1), std::tuple<int>);  in test_primary_template()
48     std::tuple t2(x, 0.0, nullptr);  in test_primary_template()
49     ASSERT_SAME_TYPE(decltype(t2), std::tuple<int, double, decltype(nullptr)>);  in test_primary_template()
53     std::tuple t1(p1);  in test_primary_template()
54     ASSERT_SAME_TYPE(decltype(t1), std::tuple<int, char>);  in test_primary_template()
56 …std::pair<int, std::tuple<char, long, void*>> p2(1, std::tuple<char, long, void*>('c', 3l, nullptr…  in test_primary_template()
57     std::tuple t2(p2);  in test_primary_template()
58     ASSERT_SAME_TYPE(decltype(t2), std::tuple<int, std::tuple<char, long, void*>>);  in test_primary_template()
62     std::tuple t3(p3);  in test_primary_template()
63     ASSERT_SAME_TYPE(decltype(t3), std::tuple<std::reference_wrapper<int>, char>);  in test_primary_template()
66     std::tuple t4(p4);  in test_primary_template()
67     ASSERT_SAME_TYPE(decltype(t4), std::tuple<int&, char>);  in test_primary_template()
69     std::tuple t5(std::pair<int, char>(1, 'c'));  in test_primary_template()
70     ASSERT_SAME_TYPE(decltype(t5), std::tuple<int, char>);  in test_primary_template()
76     std::tuple t1(T{});  in test_primary_template()
77     ASSERT_SAME_TYPE(decltype(t1), std::tuple<T>);  in test_primary_template()
80     std::tuple t2(T{}, 101l, v);  in test_primary_template()
81     ASSERT_SAME_TYPE(decltype(t2), std::tuple<T, long, T>);  in test_primary_template()
85     std::tuple t1(AT, A, 42);  in test_primary_template()
86     ASSERT_SAME_TYPE(decltype(t1), std::tuple<int>);  in test_primary_template()
88     std::tuple t2(AT, A, 42, 0.0, x);  in test_primary_template()
89     ASSERT_SAME_TYPE(decltype(t2), std::tuple<int, double, int>);  in test_primary_template()
95     std::tuple t1(AT, A, T{});  in test_primary_template()
96     ASSERT_SAME_TYPE(decltype(t1), std::tuple<T>);  in test_primary_template()
99     std::tuple t2(AT, A, T{}, 101l, v);  in test_primary_template()
100     ASSERT_SAME_TYPE(decltype(t2), std::tuple<T, long, T>);  in test_primary_template()
104     std::tuple t1(AT, A, p1);  in test_primary_template()
105     ASSERT_SAME_TYPE(decltype(t1), std::tuple<int, char>);  in test_primary_template()
107 …std::pair<int, std::tuple<char, long, void*>> p2(1, std::tuple<char, long, void*>('c', 3l, nullptr…  in test_primary_template()
108     std::tuple t2(AT, A, p2);  in test_primary_template()
109     ASSERT_SAME_TYPE(decltype(t2), std::tuple<int, std::tuple<char, long, void*>>);  in test_primary_template()
113     std::tuple t3(AT, A, p3);  in test_primary_template()
114     ASSERT_SAME_TYPE(decltype(t3), std::tuple<std::reference_wrapper<int>, char>);  in test_primary_template()
117     std::tuple t4(AT, A, p4);  in test_primary_template()
118     ASSERT_SAME_TYPE(decltype(t4), std::tuple<int&, char>);  in test_primary_template()
120     std::tuple t5(AT, A, std::pair<int, char>(1, 'c'));  in test_primary_template()
121     ASSERT_SAME_TYPE(decltype(t5), std::tuple<int, char>);  in test_primary_template()
124     using Tup = std::tuple<int, decltype(nullptr)>;  in test_primary_template()
127     std::tuple t1(t);  in test_primary_template()
131     using Tup = std::tuple<void*, unsigned, char>;  in test_primary_template()
132     std::tuple t1(Tup(nullptr, 42, 'a'));  in test_primary_template()
136     using Tup = std::tuple<int, decltype(nullptr)>;  in test_primary_template()
139     std::tuple t1(AT, A, t);  in test_primary_template()
143     using Tup = std::tuple<void*, unsigned, char>;  in test_primary_template()
144     std::tuple t1(AT, A, Tup(nullptr, 42, 'a'));  in test_primary_template()
164     std::tuple t1{};  in test_empty_specialization()
165     ASSERT_SAME_TYPE(decltype(t1), std::tuple<>);  in test_empty_specialization()
168     std::tuple t1{AT, A};  in test_empty_specialization()
169     ASSERT_SAME_TYPE(decltype(t1), std::tuple<>);  in test_empty_specialization()
172     const std::tuple<> t{};  in test_empty_specialization()
173     std::tuple t1(t);  in test_empty_specialization()
174     ASSERT_SAME_TYPE(decltype(t1), std::tuple<>);  in test_empty_specialization()
177     std::tuple t1(std::tuple<>{});  in test_empty_specialization()
178     ASSERT_SAME_TYPE(decltype(t1), std::tuple<>);  in test_empty_specialization()
181     const std::tuple<> t{};  in test_empty_specialization()
182     std::tuple t1(AT, A, t);  in test_empty_specialization()
183     ASSERT_SAME_TYPE(decltype(t1), std::tuple<>);  in test_empty_specialization()
186     std::tuple t1(AT, A, std::tuple<>{});  in test_empty_specialization()
187     ASSERT_SAME_TYPE(decltype(t1), std::tuple<>);  in test_empty_specialization()