| /* |
| * 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.layout |
| |
| import android.os.Build |
| import androidx.compose.state |
| import androidx.test.filters.SmallTest |
| import androidx.ui.core.Alignment |
| import androidx.ui.core.LayoutCoordinates |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.ui.core.positionInRoot |
| import androidx.ui.core.onPositioned |
| import androidx.compose.foundation.Box |
| import androidx.ui.test.createComposeRule |
| import androidx.ui.test.onNodeWithTag |
| import androidx.ui.test.runOnIdle |
| import androidx.compose.ui.unit.dp |
| import org.junit.Assert |
| import org.junit.Assume |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| import kotlin.math.roundToInt |
| |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class LayoutOffsetTest : LayoutTest() { |
| @get:Rule |
| val composeTestRule = createComposeRule() |
| |
| @Before |
| fun before() { |
| // b/151728444 |
| Assume.assumeFalse( |
| Build.MODEL.contains("Nexus 5") && Build.VERSION.SDK_INT == Build.VERSION_CODES.M |
| ) |
| } |
| |
| @Test |
| fun positionIsModified() = with(density) { |
| val offsetX = 10.dp |
| val offsetY = 20.dp |
| var positionX = 0 |
| var positionY = 0 |
| composeTestRule.setContent { |
| Stack( |
| Modifier.testTag("stack") |
| .wrapContentSize(Alignment.TopStart) |
| .offset(offsetX, offsetY) |
| .onPositioned { coordinates: LayoutCoordinates -> |
| positionX = coordinates.positionInRoot.x.roundToInt() |
| positionY = coordinates.positionInRoot.y.roundToInt() |
| } |
| ) { |
| } |
| } |
| |
| onNodeWithTag("stack").assertExists() |
| runOnIdle { |
| assertEquals(offsetX.toIntPx(), positionX) |
| assertEquals(offsetY.toIntPx(), positionY) |
| } |
| } |
| |
| @Test |
| fun positionIsModified_rtl() = with(density) { |
| val containerWidth = 30.dp |
| val boxSize = 1 |
| val offsetX = 10.dp |
| val offsetY = 20.dp |
| var positionX = 0 |
| var positionY = 0 |
| composeTestRule.setContent { |
| Stack( |
| Modifier.testTag("stack") |
| .rtl |
| .wrapContentSize(Alignment.TopEnd) |
| .preferredWidth(containerWidth) |
| .wrapContentSize(Alignment.TopStart) |
| .offset(offsetX, offsetY) |
| .onPositioned { coordinates: LayoutCoordinates -> |
| positionX = coordinates.positionInRoot.x.roundToInt() |
| positionY = coordinates.positionInRoot.y.roundToInt() |
| } |
| ) { |
| // TODO(popam): this box should not be needed after b/154758475 is fixed. |
| Box(Modifier.size(boxSize.toDp())) |
| } |
| } |
| |
| onNodeWithTag("stack").assertExists() |
| runOnIdle { |
| assertEquals(containerWidth.toIntPx() - offsetX.toIntPx() - boxSize, positionX) |
| assertEquals(offsetY.toIntPx(), positionY) |
| } |
| } |
| |
| @Test |
| fun positionIsModified_px() = with(density) { |
| val offsetX = 10f |
| val offsetY = 20f |
| var positionX = 0f |
| var positionY = 0f |
| composeTestRule.setContent { |
| Stack( |
| Modifier.testTag("stack") |
| .wrapContentSize(Alignment.TopStart) |
| .offsetPx(state { offsetX }, state { offsetY }) |
| .onPositioned { coordinates: LayoutCoordinates -> |
| positionX = coordinates.positionInRoot.x |
| positionY = coordinates.positionInRoot.y |
| } |
| ) { |
| } |
| } |
| |
| onNodeWithTag("stack").assertExists() |
| runOnIdle { |
| Assert.assertEquals(offsetX, positionX) |
| Assert.assertEquals(offsetY, positionY) |
| } |
| } |
| |
| @Test |
| fun positionIsModified_px_rtl() = with(density) { |
| val containerWidth = 30.dp |
| val boxSize = 1f |
| val offsetX = 10f |
| val offsetY = 20f |
| var positionX = 0f |
| var positionY = 0f |
| composeTestRule.setContent { |
| Stack( |
| Modifier.testTag("stack") |
| .rtl |
| .wrapContentSize(Alignment.TopEnd) |
| .preferredWidth(containerWidth) |
| .wrapContentSize(Alignment.TopStart) |
| .offsetPx(state { offsetX }, state { offsetY }) |
| .onPositioned { coordinates: LayoutCoordinates -> |
| positionX = coordinates.positionInRoot.x |
| positionY = coordinates.positionInRoot.y |
| } |
| ) { |
| // TODO(popam): this box should not be needed after b/154758475 is fixed. |
| Box(Modifier.size(boxSize.toDp())) |
| } |
| } |
| |
| onNodeWithTag("stack").assertExists() |
| runOnIdle { |
| Assert.assertEquals( |
| containerWidth.toIntPx() - offsetX.roundToInt() - boxSize, |
| positionX |
| ) |
| Assert.assertEquals(offsetY, positionY) |
| } |
| } |
| } |