| /* |
| * 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.ui.owners |
| |
| import android.os.Bundle |
| import android.view.LayoutInflater |
| import android.view.ViewGroup |
| import androidx.compose.ui.platform.AmbientSavedStateRegistryOwner |
| import androidx.compose.ui.platform.ComposeView |
| import androidx.fragment.app.Fragment |
| import androidx.fragment.app.FragmentActivity |
| import androidx.fragment.app.FragmentContainerView |
| import androidx.savedstate.SavedStateRegistryOwner |
| import androidx.savedstate.ViewTreeSavedStateRegistryOwner |
| import androidx.test.ext.junit.runners.AndroidJUnit4 |
| import androidx.test.filters.SmallTest |
| import org.junit.Assert.assertEquals |
| import org.junit.Assert.assertTrue |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import java.util.concurrent.CountDownLatch |
| import java.util.concurrent.TimeUnit |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4::class) |
| class SavedStateRegistryOwnerInFragmentTest { |
| @Suppress("DEPRECATION") |
| @get:Rule |
| val activityTestRule = androidx.test.rule.ActivityTestRule( |
| FragmentActivity::class.java |
| ) |
| private lateinit var activity: FragmentActivity |
| |
| @Before |
| fun setup() { |
| activity = activityTestRule.activity |
| } |
| |
| @Test |
| fun ownerIsAvailable() { |
| val fragment = TestFragment() |
| |
| activityTestRule.runOnUiThread { |
| val view = FragmentContainerView(activity) |
| view.id = 100 |
| activity.setContentView(view) |
| activity.supportFragmentManager.beginTransaction() |
| .replace(100, fragment) |
| .commit() |
| } |
| |
| assertTrue(fragment.latch.await(1, TimeUnit.SECONDS)) |
| assertEquals(ViewTreeSavedStateRegistryOwner.get(fragment.view!!), fragment.owner) |
| } |
| |
| class TestFragment : Fragment() { |
| |
| var owner: SavedStateRegistryOwner? = null |
| val latch = CountDownLatch(1) |
| |
| override fun onCreateView( |
| inflater: LayoutInflater, |
| container: ViewGroup?, |
| savedInstanceState: Bundle? |
| ) = ComposeView(requireContext()).apply { |
| setContent { |
| owner = AmbientSavedStateRegistryOwner.current |
| latch.countDown() |
| } |
| } |
| } |
| } |