tuple-test.c++ (3981B)
1 // Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors 2 // Licensed under the MIT License: 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a copy 5 // of this software and associated documentation files (the "Software"), to deal 6 // in the Software without restriction, including without limitation the rights 7 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 // copies of the Software, and to permit persons to whom the Software is 9 // furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 // THE SOFTWARE. 21 22 #include "tuple.h" 23 #include "memory.h" 24 #include "string.h" 25 #include <kj/compat/gtest.h> 26 27 namespace kj { 28 29 struct Foo { uint foo; Foo(uint i): foo(i) {} }; 30 struct Bar { uint bar; Bar(uint i): bar(i) {} }; 31 struct Baz { uint baz; Baz(uint i): baz(i) {} }; 32 struct Qux { uint qux; Qux(uint i): qux(i) {} }; 33 struct Quux { uint quux; Quux(uint i): quux(i) {} }; 34 35 TEST(Tuple, Tuple) { 36 Tuple<Foo, Bar> t = tuple(Foo(123), Bar(456)); 37 EXPECT_EQ(123u, get<0>(t).foo); 38 EXPECT_EQ(456u, get<1>(t).bar); 39 40 Tuple<Foo, Bar, Baz, Qux, Quux> t2 = tuple(t, Baz(789), tuple(Qux(321), Quux(654))); 41 EXPECT_EQ(123u, get<0>(t2).foo); 42 EXPECT_EQ(456u, get<1>(t2).bar); 43 EXPECT_EQ(789u, get<2>(t2).baz); 44 EXPECT_EQ(321u, get<3>(t2).qux); 45 EXPECT_EQ(654u, get<4>(t2).quux); 46 47 Tuple<Own<Foo>, Own<Bar>> t3 = tuple(heap<Foo>(123), heap<Bar>(456)); 48 EXPECT_EQ(123u, get<0>(t3)->foo); 49 EXPECT_EQ(456u, get<1>(t3)->bar); 50 51 Tuple<Own<Foo>, Own<Bar>, Own<Baz>, Own<Qux>, Own<Quux>> t4 = 52 tuple(mv(t3), heap<Baz>(789), tuple(heap<Qux>(321), heap<Quux>(654))); 53 EXPECT_EQ(123u, get<0>(t4)->foo); 54 EXPECT_EQ(456u, get<1>(t4)->bar); 55 EXPECT_EQ(789u, get<2>(t4)->baz); 56 EXPECT_EQ(321u, get<3>(t4)->qux); 57 EXPECT_EQ(654u, get<4>(t4)->quux); 58 59 Tuple<String, StringPtr> t5 = tuple(heapString("foo"), "bar"); 60 EXPECT_EQ("foo", get<0>(t5)); 61 EXPECT_EQ("bar", get<1>(t5)); 62 63 Tuple<StringPtr, StringPtr, StringPtr, StringPtr, String> t6 = 64 tuple(Tuple<StringPtr, StringPtr>(t5), "baz", tuple("qux", heapString("quux"))); 65 EXPECT_EQ("foo", get<0>(t6)); 66 EXPECT_EQ("bar", get<1>(t6)); 67 EXPECT_EQ("baz", get<2>(t6)); 68 EXPECT_EQ("qux", get<3>(t6)); 69 EXPECT_EQ("quux", get<4>(t6)); 70 71 kj::apply([](Foo a, Bar b, Own<Foo> c, Own<Bar> d, uint e, StringPtr f, StringPtr g) { 72 EXPECT_EQ(123u, a.foo); 73 EXPECT_EQ(456u, b.bar); 74 EXPECT_EQ(123u, c->foo); 75 EXPECT_EQ(456u, d->bar); 76 EXPECT_EQ(789u, e); 77 EXPECT_EQ("foo", f); 78 EXPECT_EQ("bar", g); 79 }, t, tuple(heap<Foo>(123), heap<Bar>(456)), 789, mv(t5)); 80 81 uint i = tuple(123); 82 EXPECT_EQ(123u, i); 83 84 i = tuple(tuple(), 456, tuple(tuple(), tuple())); 85 EXPECT_EQ(456u, i); 86 87 EXPECT_EQ(0, (indexOfType<int, Tuple<int, char, bool>>())); 88 EXPECT_EQ(1, (indexOfType<char, Tuple<int, char, bool>>())); 89 EXPECT_EQ(2, (indexOfType<bool, Tuple<int, char, bool>>())); 90 EXPECT_EQ(0, (indexOfType<int, int>())); 91 } 92 93 TEST(Tuple, RefTuple) { 94 uint i = 123; 95 StringPtr s = "foo"; 96 97 Tuple<uint&, StringPtr&, uint, StringPtr> t = refTuple(i, s, 321, "bar"); 98 EXPECT_EQ(get<0>(t), 123); 99 EXPECT_EQ(get<1>(t), "foo"); 100 EXPECT_EQ(get<2>(t), 321); 101 EXPECT_EQ(get<3>(t), "bar"); 102 103 i = 456; 104 s = "baz"; 105 106 EXPECT_EQ(get<0>(t), 456); 107 EXPECT_EQ(get<1>(t), "baz"); 108 EXPECT_EQ(get<2>(t), 321); 109 EXPECT_EQ(get<3>(t), "bar"); 110 } 111 112 } // namespace kj