| /* |
| * 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.ui.test |
| |
| import androidx.test.filters.MediumTest |
| import androidx.ui.test.android.AndroidOwnerRegistry |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @MediumTest |
| @RunWith(JUnit4::class) |
| class SynchronizationMethodsTest { |
| |
| @Test |
| fun runOnUiThread() { |
| val result = runOnUiThread { "Hello" } |
| assertThat(result).isEqualTo("Hello") |
| } |
| |
| @Test |
| fun runOnUiThread_void() { |
| var called = false |
| runOnUiThread { called = true } |
| assertThat(called).isTrue() |
| } |
| |
| @Test |
| fun runOnUiThread_nullable() { |
| val result: String? = runOnUiThread { null } |
| assertThat(result).isEqualTo(null) |
| } |
| |
| @Test |
| fun runOnIdleCompose() { |
| withAndroidOwnerRegistry { |
| val result = runOnIdleCompose { "Hello" } |
| assertThat(result).isEqualTo("Hello") |
| } |
| } |
| |
| @Test |
| fun runOnIdleCompose_void() { |
| withAndroidOwnerRegistry { |
| var called = false |
| runOnIdleCompose { called = true } |
| assertThat(called).isTrue() |
| } |
| } |
| |
| @Test |
| fun runOnIdleCompose_nullable() { |
| withAndroidOwnerRegistry { |
| val result: String? = runOnIdleCompose { null } |
| assertThat(result).isEqualTo(null) |
| } |
| } |
| |
| private fun withAndroidOwnerRegistry(block: () -> Unit) { |
| AndroidOwnerRegistry.setupRegistry() |
| try { |
| block() |
| } finally { |
| AndroidOwnerRegistry.tearDownRegistry() |
| } |
| } |
| } |