| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| package androidx.compose.runtime |
| |
| import androidx.test.ext.junit.runners.AndroidJUnit4 |
| import androidx.test.filters.MediumTest |
| import junit.framework.TestCase |
| import org.junit.After |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| |
| @MediumTest |
| @RunWith(AndroidJUnit4::class) |
| class DisposeTests : BaseComposeTest() { |
| @After |
| fun teardown() { |
| clearRoots() |
| } |
| |
| @get:Rule |
| override val activityRule = makeTestActivityRule() |
| |
| @Test |
| fun testDisposeComposition() { |
| val log = mutableListOf<String>() |
| |
| @OptIn(ExperimentalComposeApi::class) |
| val composable = @Composable @ComposableContract(tracked = false) { |
| onPreCommit { |
| log.add("onPreCommit") |
| onDispose { |
| log.add("onPreCommitDispose") |
| } |
| } |
| onActive { |
| log.add("onActive") |
| onDispose { |
| log.add("onActiveDispose") |
| } |
| } |
| } |
| |
| fun assertLog(expected: String, block: () -> Unit) { |
| log.clear() |
| block() |
| TestCase.assertEquals(expected, log.joinToString()) |
| } |
| |
| var composition: Composition? = null |
| |
| assertLog("onPreCommit, onActive") { |
| composition = activity.show(composable) |
| activity.waitForAFrame() |
| } |
| |
| assertLog("onPreCommitDispose, onPreCommit") { |
| activity.show(composable) |
| activity.waitForAFrame() |
| } |
| |
| assertLog("onActiveDispose, onPreCommitDispose") { |
| activity.uiThread { |
| composition?.dispose() |
| } |
| activity.waitForAFrame() |
| } |
| |
| assertLog("onPreCommit, onActive") { |
| activity.show(composable) |
| activity.waitForAFrame() |
| } |
| } |
| } |