1 // Copyright 2023 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 use googletest::prelude::*;
16 use indoc::indoc;
17
18 #[test]
pointwise_matches_single_element() -> Result<()>19 fn pointwise_matches_single_element() -> Result<()> {
20 let value = vec![1];
21 verify_that!(value, pointwise!(lt, vec![2]))
22 }
23
24 #[test]
pointwise_matches_two_elements() -> Result<()>25 fn pointwise_matches_two_elements() -> Result<()> {
26 let value = vec![1, 2];
27 verify_that!(value, pointwise!(lt, vec![2, 3]))
28 }
29
30 #[test]
pointwise_matches_two_elements_with_array() -> Result<()>31 fn pointwise_matches_two_elements_with_array() -> Result<()> {
32 let value = vec![1, 2];
33 verify_that!(value, pointwise!(lt, [2, 3]))
34 }
35
36 #[test]
pointwise_matches_two_element_slice() -> Result<()>37 fn pointwise_matches_two_element_slice() -> Result<()> {
38 let value = vec![1, 2];
39 let slice = value.as_slice();
40 verify_that!(*slice, pointwise!(lt, [2, 3]))
41 }
42
43 #[test]
pointwise_does_not_match_value_of_wrong_length() -> Result<()>44 fn pointwise_does_not_match_value_of_wrong_length() -> Result<()> {
45 let value = vec![1];
46 verify_that!(value, not(pointwise!(lt, vec![2, 3])))
47 }
48
49 #[test]
pointwise_does_not_match_value_not_matching_in_first_position() -> Result<()>50 fn pointwise_does_not_match_value_not_matching_in_first_position() -> Result<()> {
51 let value = vec![1, 2];
52 verify_that!(value, not(pointwise!(lt, vec![1, 3])))
53 }
54
55 #[test]
pointwise_does_not_match_value_not_matching_in_second_position() -> Result<()>56 fn pointwise_does_not_match_value_not_matching_in_second_position() -> Result<()> {
57 let value = vec![1, 2];
58 verify_that!(value, not(pointwise!(lt, vec![2, 2])))
59 }
60
61 #[test]
pointwise_allows_qualified_matcher_name() -> Result<()>62 fn pointwise_allows_qualified_matcher_name() -> Result<()> {
63 mod submodule {
64 pub(super) use super::lt;
65 }
66 let value = vec![1];
67 verify_that!(value, pointwise!(submodule::lt, vec![2]))
68 }
69
70 #[test]
pointwise_returns_mismatch_when_actual_value_has_wrong_length() -> Result<()>71 fn pointwise_returns_mismatch_when_actual_value_has_wrong_length() -> Result<()> {
72 let result = verify_that!(vec![1, 2, 3], pointwise!(eq, vec![1, 2]));
73
74 verify_that!(
75 result,
76 err(displays_as(contains_substring(indoc!(
77 "
78 Value of: vec![1, 2, 3]
79 Expected: has elements satisfying respectively:
80 0. is equal to 1
81 1. is equal to 2
82 Actual: [1, 2, 3],
83 which has size 3 (expected 2)
84 "
85 ))))
86 )
87 }
88
89 #[test]
pointwise_returns_mismatch_when_actual_value_does_not_match_on_first_item() -> Result<()>90 fn pointwise_returns_mismatch_when_actual_value_does_not_match_on_first_item() -> Result<()> {
91 let result = verify_that!(vec![1, 2, 3], pointwise!(eq, vec![2, 2, 3]));
92
93 verify_that!(
94 result,
95 err(displays_as(contains_substring(indoc!(
96 "
97 Value of: vec![1, 2, 3]
98 Expected: has elements satisfying respectively:
99 0. is equal to 2
100 1. is equal to 2
101 2. is equal to 3
102 Actual: [1, 2, 3],
103 where element #0 is 1, which isn't equal to 2
104 "
105 ))))
106 )
107 }
108
109 #[test]
pointwise_returns_mismatch_when_actual_value_does_not_match_on_second_item() -> Result<()>110 fn pointwise_returns_mismatch_when_actual_value_does_not_match_on_second_item() -> Result<()> {
111 let result = verify_that!(vec![1, 2, 3], pointwise!(eq, vec![1, 3, 3]));
112
113 verify_that!(
114 result,
115 err(displays_as(contains_substring(indoc!(
116 "
117 Value of: vec![1, 2, 3]
118 Expected: has elements satisfying respectively:
119 0. is equal to 1
120 1. is equal to 3
121 2. is equal to 3
122 Actual: [1, 2, 3],
123 where element #1 is 2, which isn't equal to 3
124 "
125 ))))
126 )
127 }
128
129 #[test]
pointwise_returns_mismatch_when_actual_value_does_not_match_on_first_and_second_items() -> Result<()>130 fn pointwise_returns_mismatch_when_actual_value_does_not_match_on_first_and_second_items()
131 -> Result<()> {
132 let result = verify_that!(vec![1, 2, 3], pointwise!(eq, vec![2, 3, 3]));
133
134 verify_that!(
135 result,
136 err(displays_as(contains_substring(indoc!(
137 "
138 Value of: vec![1, 2, 3]
139 Expected: has elements satisfying respectively:
140 0. is equal to 2
141 1. is equal to 3
142 2. is equal to 3
143 Actual: [1, 2, 3],
144 where:
145 * element #0 is 1, which isn't equal to 2
146 * element #1 is 2, which isn't equal to 3"
147 ))))
148 )
149 }
150
151 #[test]
pointwise_matches_single_element_with_lambda_expression_with_extra_value() -> Result<()>152 fn pointwise_matches_single_element_with_lambda_expression_with_extra_value() -> Result<()> {
153 let value = vec![1.00001f32];
154 verify_that!(value, pointwise!(|v| near(v, 0.0001), vec![1.0]))
155 }
156
157 #[test]
pointwise_matches_single_element_with_two_containers() -> Result<()>158 fn pointwise_matches_single_element_with_two_containers() -> Result<()> {
159 let value = vec![1.00001f32];
160 verify_that!(value, pointwise!(near, vec![1.0], vec![0.0001]))
161 }
162
163 #[test]
pointwise_matches_single_element_with_three_containers() -> Result<()>164 fn pointwise_matches_single_element_with_three_containers() -> Result<()> {
165 let value = vec![1.00001f32];
166 verify_that!(
167 value,
168 pointwise!(|v, t, u| near(v, t * u), vec![1.0f32], vec![0.0001f32], vec![0.5f32])
169 )
170 }
171