| /* |
| * Copyright 2019 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 android.os.Build |
| import androidx.compose.Composable |
| import androidx.test.filters.MediumTest |
| import androidx.test.filters.SdkSuppress |
| import androidx.ui.core.DensityAmbient |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.shape.corner.CircleShape |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.ui.graphics.RectangleShape |
| import androidx.compose.ui.graphics.SolidColor |
| import androidx.compose.foundation.layout.Stack |
| import androidx.compose.foundation.layout.preferredSize |
| import androidx.ui.test.assertShape |
| import androidx.ui.test.captureToBitmap |
| import androidx.ui.test.createComposeRule |
| import androidx.ui.test.onNodeWithTag |
| import androidx.ui.unit.Density |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @MediumTest |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| @RunWith(JUnit4::class) |
| class BackgroundTest { |
| |
| @get:Rule |
| val composeTestRule = createComposeRule() |
| |
| private val contentTag = "Content" |
| |
| @Test |
| fun background_colorRect() { |
| composeTestRule.setContent { |
| SemanticParent { |
| Box( |
| Modifier.preferredSize(40f.toDp()).background(Color.Magenta), |
| gravity = ContentGravity.Center |
| ) { |
| Box(Modifier.preferredSize(20f.toDp()).background(Color.White)) |
| } |
| } |
| } |
| val bitmap = onNodeWithTag(contentTag).captureToBitmap() |
| bitmap.assertShape( |
| density = composeTestRule.density, |
| backgroundColor = Color.Magenta, |
| shape = RectangleShape, |
| shapeSizeX = 20.0f, |
| shapeSizeY = 20.0f, |
| shapeColor = Color.White |
| ) |
| } |
| |
| @Test |
| fun background_brushRect() { |
| composeTestRule.setContent { |
| SemanticParent { |
| Box( |
| Modifier.preferredSize(40f.toDp()).background(Color.Magenta), |
| gravity = ContentGravity.Center |
| ) { |
| Box( |
| Modifier.preferredSize(20f.toDp()) |
| .background(SolidColor(Color.White)) |
| ) |
| } |
| } |
| } |
| val bitmap = onNodeWithTag(contentTag).captureToBitmap() |
| bitmap.assertShape( |
| density = composeTestRule.density, |
| backgroundColor = Color.Magenta, |
| shape = RectangleShape, |
| shapeSizeX = 20.0f, |
| shapeSizeY = 20.0f, |
| shapeColor = Color.White |
| ) |
| } |
| |
| @Test |
| fun background_colorCircle() { |
| composeTestRule.setContent { |
| SemanticParent { |
| Box( |
| Modifier.preferredSize(40f.toDp()) |
| .background(Color.Magenta) |
| .background(color = Color.White, shape = CircleShape) |
| ) |
| } |
| } |
| val bitmap = onNodeWithTag(contentTag).captureToBitmap() |
| bitmap.assertShape( |
| density = composeTestRule.density, |
| backgroundColor = Color.Magenta, |
| shape = CircleShape, |
| shapeColor = Color.White, |
| shapeOverlapPixelCount = 2.0f |
| ) |
| } |
| |
| @Test |
| fun background_brushCircle() { |
| composeTestRule.setContent { |
| SemanticParent { |
| Box( |
| Modifier.preferredSize(40f.toDp()) |
| .background(Color.Magenta) |
| .background( |
| brush = SolidColor(Color.White), |
| shape = CircleShape |
| ) |
| ) |
| } |
| } |
| val bitmap = onNodeWithTag(contentTag).captureToBitmap() |
| bitmap.assertShape( |
| density = composeTestRule.density, |
| backgroundColor = Color.Magenta, |
| shape = CircleShape, |
| shapeColor = Color.White, |
| shapeOverlapPixelCount = 2.0f |
| ) |
| } |
| |
| @Composable |
| private fun SemanticParent(children: @Composable Density.() -> Unit) { |
| Stack(Modifier.testTag(contentTag)) { |
| DensityAmbient.current.children() |
| } |
| } |
| } |