| /* |
| * 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.ui.material |
| |
| import android.os.Build |
| import androidx.test.filters.LargeTest |
| import androidx.test.filters.SdkSuppress |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.Box |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.foundation.layout.preferredSize |
| import androidx.ui.test.assertPixels |
| import androidx.ui.test.captureToBitmap |
| import androidx.ui.test.createComposeRule |
| import androidx.ui.test.onNodeWithTag |
| import androidx.compose.ui.unit.Dp |
| import androidx.compose.ui.unit.IntSize |
| import androidx.compose.ui.unit.dp |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.Parameterized |
| |
| @LargeTest |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| @RunWith(Parameterized::class) |
| class ElevationOverlayTest(private val elevation: Dp?, overlayColor: Color?) { |
| |
| private val Tag = "Surface" |
| private val SurfaceSize = IntSize(10, 10) |
| private val expectedOverlayColor = overlayColor!! |
| |
| companion object { |
| @JvmStatic |
| @Parameterized.Parameters(name = "{0}") |
| // Mappings for elevation -> expected overlay color in dark theme |
| fun initElevation(): Array<Any> = arrayOf( |
| arrayOf(0.dp, Color(0xFF121212), null), |
| arrayOf(1.dp, Color(0xFF1E1E1E), null), |
| arrayOf(2.dp, Color(0xFF232323), null), |
| arrayOf(3.dp, Color(0xFF262626), null), |
| arrayOf(4.dp, Color(0xFF282828), null), |
| arrayOf(6.dp, Color(0xFF2B2B2B), null), |
| arrayOf(8.dp, Color(0xFF2E2E2E), null), |
| arrayOf(12.dp, Color(0xFF333333), null), |
| arrayOf(16.dp, Color(0xFF353535), null), |
| arrayOf(24.dp, Color(0xFF393939), null) |
| ) |
| } |
| |
| @get:Rule |
| val composeTestRule = createComposeRule(disableTransitions = true) |
| |
| @Test |
| fun correctElevationOverlayInDarkTheme() { |
| setupSurfaceForTesting(elevation!!, darkColorPalette()) |
| |
| onNodeWithTag(Tag) |
| .captureToBitmap() |
| .assertPixels(SurfaceSize) { |
| expectedOverlayColor |
| } |
| } |
| |
| @Test |
| fun noChangesInLightTheme() { |
| setupSurfaceForTesting(elevation!!, lightColorPalette()) |
| |
| // No overlay should be applied in light theme |
| val expectedSurfaceColor = Color.White |
| |
| onNodeWithTag(Tag) |
| .captureToBitmap() |
| .assertPixels(SurfaceSize) { |
| expectedSurfaceColor |
| } |
| } |
| |
| private fun setupSurfaceForTesting(elevation: Dp, colorPalette: ColorPalette) { |
| with(composeTestRule.density) { |
| composeTestRule.setContent { |
| MaterialTheme(colorPalette) { |
| Box { |
| Surface(elevation = elevation) { |
| // Make the surface size small so we compare less pixels |
| Box( |
| Modifier.preferredSize( |
| SurfaceSize.width.toDp(), |
| SurfaceSize.height.toDp() |
| ).testTag(Tag) |
| ) |
| } |
| } |
| } |
| } |
| } |
| } |
| } |