| /* |
| * 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.foundation |
| |
| import androidx.compose.mutableStateOf |
| import androidx.test.filters.MediumTest |
| import androidx.ui.core.ContentDrawScope |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.layout.preferredSize |
| import androidx.ui.test.center |
| import androidx.ui.test.createComposeRule |
| import androidx.ui.test.performPartialGesture |
| import androidx.ui.test.onNodeWithTag |
| import androidx.ui.test.runOnIdle |
| import androidx.ui.test.down |
| import androidx.ui.test.up |
| import androidx.ui.geometry.Offset |
| import androidx.ui.unit.dp |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Ignore |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| import java.util.concurrent.CountDownLatch |
| import java.util.concurrent.TimeUnit |
| |
| @MediumTest |
| @RunWith(JUnit4::class) |
| class IndicationTest { |
| |
| @get:Rule |
| val composeTestRule = createComposeRule() |
| |
| val testTag = "indication" |
| |
| @Test |
| fun indication_receivesInitialState() { |
| val state = InteractionState() |
| val countDownLatch = CountDownLatch(1) |
| val indication = makeIndication { |
| // just wait for initial draw with empty interaction |
| if (it.value.isEmpty()) { |
| countDownLatch.countDown() |
| } |
| } |
| composeTestRule.setContent { |
| Box(Modifier.testTag(testTag).preferredSize(100.dp).indication(state, indication)) |
| } |
| assertThat(countDownLatch.await(1000, TimeUnit.MILLISECONDS)).isTrue() |
| } |
| |
| @Test |
| fun indication_click_receivesStateUpdates() { |
| // indicaiton should be called 3 times: 0 indication, press, and after click 0 again |
| val countDownLatch = CountDownLatch(3) |
| val indication = makeIndication { |
| it.value // value read |
| countDownLatch.countDown() |
| } |
| composeTestRule.setContent { |
| Box(Modifier |
| .testTag(testTag) |
| .preferredSize(100.dp) |
| .clickable(indication = indication) {} |
| ) |
| } |
| assertThat(countDownLatch.count).isEqualTo(2) |
| onNodeWithTag(testTag) |
| .assertExists() |
| .performPartialGesture { |
| down(center) |
| } |
| runOnIdle { |
| assertThat(countDownLatch.count).isEqualTo(1) |
| } |
| onNodeWithTag(testTag) |
| .assertExists() |
| .performPartialGesture { |
| up() |
| } |
| assertThat(countDownLatch.await(1000, TimeUnit.MILLISECONDS)).isTrue() |
| } |
| |
| @Test |
| fun indication_disposed_whenIndicationRemoved() { |
| val state = InteractionState() |
| val switchState = mutableStateOf(true) |
| val countDownLatch = CountDownLatch(2) |
| val indication = makeIndication( |
| onDispose = { countDownLatch.countDown() }, |
| onDraw = { countDownLatch.countDown() } |
| ) |
| composeTestRule.setContent { |
| val switchableIndication = |
| if (switchState.value) Modifier.indication(state, indication) else Modifier |
| Box(Modifier.testTag(testTag).preferredSize(100.dp).plus(switchableIndication)) |
| } |
| assertThat(countDownLatch.count).isEqualTo(1) |
| runOnIdle { |
| switchState.value = !switchState.value |
| } |
| runOnIdle { |
| assertThat(countDownLatch.await(1000, TimeUnit.MILLISECONDS)).isTrue() |
| } |
| } |
| |
| @Test |
| @Ignore("b/155466122: multitouch is not supported yet") |
| fun indication_multiplyPress_firstWins() { |
| var lastPosition: Offset? = null |
| val indication = makeIndication { |
| it.value // value read |
| lastPosition = it.interactionPositionFor(Interaction.Pressed) |
| } |
| composeTestRule.setContent { |
| Box(Modifier |
| .testTag(testTag) |
| .preferredSize(100.dp) |
| .clickable(indication = indication) { } |
| ) |
| } |
| assertThat(lastPosition).isNull() |
| var position1: Offset? = null |
| onNodeWithTag(testTag) |
| .assertExists() |
| .performPartialGesture { |
| position1 = Offset(center.x, center.y + 20f) |
| // pointer 1, when we have multitouch |
| down(position1!!) |
| } |
| runOnIdle { |
| assertThat(lastPosition).isEqualTo(position1!!) |
| } |
| onNodeWithTag(testTag) |
| .assertExists() |
| .performPartialGesture { |
| val position2 = Offset(center.x + 20f, center.y) |
| // pointer 2, when we have multitouch |
| down(position2) |
| } |
| // should be still position1 |
| runOnIdle { |
| assertThat(lastPosition).isEqualTo(position1!!) |
| } |
| onNodeWithTag(testTag) |
| .assertExists() |
| .performPartialGesture { |
| // pointer 1, when we have multitouch |
| up() |
| } |
| runOnIdle { |
| assertThat(lastPosition).isNull() |
| } |
| onNodeWithTag(testTag) |
| .assertExists() |
| .performPartialGesture { |
| // pointer 2, when we have multitouch |
| up() |
| } |
| } |
| |
| private fun makeIndication( |
| onDispose: () -> Unit = {}, |
| onDraw: (InteractionState) -> Unit |
| ): Indication { |
| return object : Indication { |
| override fun createInstance(): IndicationInstance { |
| return object : IndicationInstance { |
| override fun ContentDrawScope.drawIndication( |
| interactionState: InteractionState |
| ) { |
| onDraw(interactionState) |
| } |
| |
| override fun onDispose() { |
| super.onDispose() |
| onDispose() |
| } |
| } |
| } |
| } |
| } |
| } |