1 /*
2 * Copyright 2020 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
17 package androidx.paging
18
19 import kotlin.test.assertEquals
20
assertEventsnull21 fun <T> assertEvents(expected: List<T>, actual: List<T>) {
22 try {
23 assertEquals(expected, actual)
24 } catch (e: Throwable) {
25 val msg =
26 e.message!!
27 .replace("),", "),\n")
28 .replace("<[", "<[\n ")
29 .replace("actual", "\nactual")
30 .lines()
31 .toMutableList()
32
33 if (expected.count() != actual.count()) throw AssertionError(msg.joinToString("\n"))
34
35 var index = 0
36 for (i in 0 until expected.count()) {
37 if (expected[i] != actual[i]) {
38 index = i
39 break
40 }
41 }
42 msg[index + 1] = msg[index + 1].prependIndent(" >")
43 msg[msg.count() / 2 + index + 1] = msg[msg.count() / 2 + index + 1].prependIndent(" >")
44 throw AssertionError(msg.joinToString("\n"))
45 }
46 }
47