1/*
2 * Copyright (C) 2017 The Android Open Source Project
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
17package androidx.core.util
18
19import android.util.Pair
20import org.junit.Assert.assertEquals
21import org.junit.Assert.assertSame
22import org.junit.Test
23
24class PairTest {
25    @Test fun destructuringNonNull() {
26        val pair = Pair("one", "two")
27        val (first: String, second: String) = pair
28        assertSame(pair.first, first)
29        assertSame(pair.second, second)
30    }
31
32    @Test fun destructuringNullable() {
33        val pair = Pair("one", "two")
34        val (first: String?, second: String?) = pair
35        assertSame(pair.first, first)
36        assertSame(pair.second, second)
37    }
38
39    @Test fun toKotlin() {
40        val android = Pair("one", "two")
41        val kotlin = android.toKotlinPair()
42        assertEquals(android.first to android.second, kotlin)
43    }
44
45    @Test fun toAndroid() {
46        val kotlin = kotlin.Pair("one", "two")
47        val android = kotlin.toAndroidPair()
48        assertEquals(Pair(kotlin.first, kotlin.second), android)
49    }
50}
51