| /* |
| * Copyright (C) 2017 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.core.transition |
| |
| import android.transition.Fade |
| import android.transition.Transition |
| import android.transition.TransitionManager |
| import android.view.View |
| import android.view.ViewGroup |
| import android.widget.ImageView |
| import androidx.core.TestActivity |
| import androidx.core.ktx.test.R |
| import androidx.test.filters.MediumTest |
| import androidx.test.filters.SdkSuppress |
| import androidx.test.platform.app.InstrumentationRegistry |
| import java.util.concurrent.CountDownLatch |
| import java.util.concurrent.TimeUnit |
| import java.util.concurrent.atomic.AtomicBoolean |
| import org.junit.Assert.assertTrue |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| |
| @SdkSuppress(minSdkVersion = 19) |
| @MediumTest |
| class TransitionTest { |
| @Suppress("DEPRECATION") |
| @JvmField @Rule val rule = androidx.test.rule.ActivityTestRule<TestActivity>( |
| TestActivity::class.java |
| ) |
| |
| private lateinit var transition: Transition |
| |
| @Before fun setup() { |
| transition = Fade().setDuration(50) |
| } |
| |
| @Test fun testDoOnStart() { |
| val called = AtomicBoolean() |
| transition.doOnStart { |
| called.set(true) |
| } |
| |
| startTransition(transition) |
| assertTrue(called.get()) |
| } |
| |
| @Test fun testDoOnEnd() { |
| val called = AtomicBoolean() |
| transition.doOnEnd { |
| called.set(true) |
| } |
| |
| val latch = CountDownLatch(1) |
| transition.addListener(object : Transition.TransitionListener { |
| override fun onTransitionEnd(transition: Transition?) { |
| latch.countDown() |
| } |
| |
| override fun onTransitionResume(transition: Transition?) = Unit |
| override fun onTransitionPause(transition: Transition?) = Unit |
| override fun onTransitionCancel(transition: Transition?) = Unit |
| override fun onTransitionStart(transition: Transition?) = Unit |
| }) |
| |
| startTransition(transition) |
| |
| assertTrue(latch.await(1, TimeUnit.SECONDS)) |
| InstrumentationRegistry.getInstrumentation().waitForIdleSync() |
| |
| assertTrue(called.get()) |
| } |
| |
| private fun startTransition(t: Transition) { |
| rule.runOnUiThread { |
| val sceneRoot = rule.activity.findViewById<ViewGroup>(R.id.root) |
| val view = rule.activity.findViewById<ImageView>(R.id.image_view) |
| |
| TransitionManager.beginDelayedTransition(sceneRoot, t) |
| |
| view.visibility = View.INVISIBLE |
| } |
| InstrumentationRegistry.getInstrumentation().waitForIdleSync() |
| } |
| } |