// Copyright 2020 Koichi Kitahara
//
// Licensed under either of Apache License, Version 2.0:
//
//   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.
//
// or MIT license:
//
//   Permission is hereby granted, free of charge, to any person obtaining a
//   copy of this software and associated documentation files (the "Software"),
//   to deal in the Software without restriction, including without limitation
//   the rights to use, copy, modify, merge, publish, distribute, sublicense,
//   and/or sell copies of the Software, and to permit persons to whom the
//   Software is furnished to do so, subject to the following conditions:
//
//   The above copyright notice and this permission notice shall be included in
//   all copies or substantial portions of the Software.
//
//   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
//   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//   DEALINGS IN THE SOFTWARE.
//
// at your option.

use into_owned::IntoOwned;

#[test]
fn test_to_mut() {
    fn call_to_mut<T>(x: T)
    where
        T: IntoOwned<Owned = f64>,
    {
        let mut y = x.as_is();
        assert_eq!(*y, 1.0);
        *y.to_mut() = 2.0;
        assert_eq!(*y, 2.0);

        let mut z = y.into_gyu();
        assert_eq!(*z, 2.0);
        *z.to_mut() = 3.0;
        assert_eq!(*z, 3.0);

        let mut v = z.into_gyu_mut();
        assert_eq!(*v, 3.0);
        *v = 4.0;
        assert_eq!(*v, 4.0);
    }

    call_to_mut(1.0);
    call_to_mut(&1.0);
    call_to_mut(&mut 1.0);
    call_to_mut(1.0.as_is());
    call_to_mut(1.0.into_gyu());
    call_to_mut(1.0.into_gyu_mut());
    call_to_mut((&1.0).as_is());
    call_to_mut((&1.0).into_gyu());
    call_to_mut((&1.0).into_gyu_mut());
    call_to_mut((&mut 1.0).as_is());
    call_to_mut((&mut 1.0).into_gyu());
    call_to_mut((&mut 1.0).into_gyu_mut());
}