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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use googletest::matcher::Matcher;
use googletest::prelude::*;
use indoc::indoc;
#[test]
fn elements_are_matches_vector() -> Result<()> {
let value = vec![1, 2, 3];
verify_that!(value, elements_are![eq(1), eq(2), eq(3)])
}
#[test]
fn elements_are_matches_slice() -> Result<()> {
let value = vec![1, 2, 3];
let slice = value.as_slice();
verify_that!(*slice, elements_are![eq(1), eq(2), eq(3)])
}
#[test]
fn elements_are_matches_array() -> Result<()> {
verify_that!([1, 2, 3], elements_are![eq(1), eq(2), eq(3)])
}
#[test]
fn elements_are_supports_trailing_comma() -> Result<()> {
let value = vec![1, 2, 3];
verify_that!(value, elements_are![eq(1), eq(2), eq(3),])
}
#[test]
fn elements_are_returns_no_match_when_expected_and_actual_sizes_differ() -> Result<()> {
let value = vec![1, 2];
verify_that!(value, not(elements_are![eq(1), eq(2), eq(3)]))
}
#[test]
fn elements_are_admits_matchers_without_static_lifetime() -> Result<()> {
#[derive(Debug, PartialEq)]
struct AStruct(i32);
let expected_value = AStruct(123);
verify_that!(vec![AStruct(123)], elements_are![eq_deref_of(&expected_value)])
}
#[test]
fn elements_are_produces_correct_failure_message() -> Result<()> {
let result = verify_that!(vec![1, 4, 3], elements_are![eq(1), eq(2), eq(3)]);
verify_that!(
result,
err(displays_as(contains_substring(indoc!(
"
Value of: vec![1, 4, 3]
Expected: has elements:
0. is equal to 1
1. is equal to 2
2. is equal to 3
Actual: [1, 4, 3],
where element #1 is 4, which isn't equal to 2"
))))
)
}
#[test]
fn elements_are_produces_correct_failure_message_nested() -> Result<()> {
let result = verify_that!(
vec![vec![0, 1], vec![1, 2]],
elements_are![elements_are![eq(1), eq(2)], elements_are![eq(2), eq(3)]]
);
verify_that!(
result,
err(displays_as(contains_substring(indoc!(
"
Value of: vec![vec! [0, 1], vec! [1, 2]]
Expected: has elements:
0. has elements:
0. is equal to 1
1. is equal to 2
1. has elements:
0. is equal to 2
1. is equal to 3
Actual: [[0, 1], [1, 2]],
where:
* element #0 is [0, 1], where:
* element #0 is 0, which isn't equal to 1
* element #1 is 1, which isn't equal to 2
* element #1 is [1, 2], where:
* element #0 is 1, which isn't equal to 2
* element #1 is 2, which isn't equal to 3"
))))
)
}
#[test]
fn elements_are_explain_match_wrong_size() -> Result<()> {
verify_that!(
elements_are![eq(1)].explain_match(&vec![1, 2]),
displays_as(eq("whose size is 2"))
)
}
fn create_matcher() -> impl Matcher<ActualT = Vec<i32>> {
elements_are![eq(1)]
}
#[test]
fn elements_are_works_when_matcher_is_created_in_subroutine() -> Result<()> {
verify_that!(vec![1], create_matcher())
}
#[test]
fn elements_are_implicitly_called() -> Result<()> {
verify_that!(vec![1, 2, 3], [eq(1), eq(2), eq(3)])
}
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