1 | /* |
2 | * Copyright 2015-present Facebook, Inc. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | #include <folly/Unit.h> |
18 | |
19 | #include <folly/portability/GTest.h> |
20 | |
21 | using namespace folly; |
22 | |
23 | TEST(Unit, operatorEq) { |
24 | EXPECT_TRUE(Unit{} == Unit{}); |
25 | } |
26 | |
27 | TEST(Unit, operatorNe) { |
28 | EXPECT_FALSE(Unit{} != Unit{}); |
29 | } |
30 | |
31 | TEST(Unit, liftInt) { |
32 | using lifted = lift_unit_t<int>; |
33 | using actual = std::is_same<int, lifted>; |
34 | EXPECT_TRUE(actual::value); |
35 | } |
36 | |
37 | TEST(Unit, liftUnit) { |
38 | using lifted = lift_unit_t<Unit>; |
39 | using actual = std::is_same<Unit, lifted>; |
40 | EXPECT_TRUE(actual::value); |
41 | } |
42 | |
43 | TEST(Unit, liftVoid) { |
44 | using lifted = lift_unit_t<void>; |
45 | using actual = std::is_same<Unit, lifted>; |
46 | EXPECT_TRUE(actual::value); |
47 | } |
48 | |
49 | TEST(Unit, dropInt) { |
50 | using dropped = drop_unit_t<int>; |
51 | using actual = std::is_same<int, dropped>; |
52 | EXPECT_TRUE(actual::value); |
53 | } |
54 | |
55 | TEST(Unit, dropUnit) { |
56 | using dropped = drop_unit_t<Unit>; |
57 | using actual = std::is_same<void, dropped>; |
58 | EXPECT_TRUE(actual::value); |
59 | } |
60 | |
61 | TEST(Unit, dropVoid) { |
62 | using dropped = drop_unit_t<void>; |
63 | using actual = std::is_same<void, dropped>; |
64 | EXPECT_TRUE(actual::value); |
65 | } |
66 | |