| /* |
| * Copyright 2023 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.wear.compose.material3 |
| |
| import android.os.Build |
| import androidx.compose.foundation.layout.requiredSize |
| import androidx.compose.material.icons.Icons |
| import androidx.compose.material.icons.filled.Menu |
| import androidx.compose.testutils.assertPixels |
| import androidx.compose.ui.Modifier |
| import androidx.compose.ui.geometry.Size |
| import androidx.compose.ui.graphics.Canvas |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.ui.graphics.ImageBitmap |
| import androidx.compose.ui.graphics.drawscope.CanvasDrawScope |
| import androidx.compose.ui.graphics.painter.BitmapPainter |
| import androidx.compose.ui.graphics.painter.ColorPainter |
| import androidx.compose.ui.graphics.vector.ImageVector |
| import androidx.compose.ui.platform.LocalDensity |
| import androidx.compose.ui.platform.testTag |
| import androidx.compose.ui.semantics.Role |
| import androidx.compose.ui.semantics.SemanticsProperties |
| import androidx.compose.ui.test.SemanticsMatcher |
| import androidx.compose.ui.test.assert |
| import androidx.compose.ui.test.assertContentDescriptionEquals |
| import androidx.compose.ui.test.assertHeightIsEqualTo |
| import androidx.compose.ui.test.assertWidthIsEqualTo |
| import androidx.compose.ui.test.captureToImage |
| import androidx.compose.ui.test.junit4.createComposeRule |
| import androidx.compose.ui.test.onNodeWithTag |
| import androidx.compose.ui.unit.Density |
| import androidx.compose.ui.unit.IntSize |
| import androidx.compose.ui.unit.LayoutDirection |
| import androidx.compose.ui.unit.dp |
| import androidx.test.filters.SdkSuppress |
| import org.junit.Rule |
| import org.junit.Test |
| |
| class IconTest { |
| @get:Rule |
| val rule = createComposeRule() |
| |
| private val testTag = "TestText" |
| |
| @Test |
| fun vector_materialIconSize_dimensions() { |
| val width = 24.dp |
| val height = 24.dp |
| val vector = Icons.Filled.Menu |
| rule |
| .setContentWithThemeForSizeAssertions { |
| Icon(vector, null) |
| } |
| .assertWidthIsEqualTo(width) |
| .assertHeightIsEqualTo(height) |
| } |
| |
| @Test |
| fun vector_customIconSize_dimensions() { |
| val width = 35.dp |
| val height = 83.dp |
| val vector = ImageVector.Builder( |
| defaultWidth = width, defaultHeight = height, |
| viewportWidth = width.value, viewportHeight = height.value |
| ).build() |
| rule |
| .setContentWithThemeForSizeAssertions { |
| Icon(vector, null) |
| } |
| .assertWidthIsEqualTo(width) |
| .assertHeightIsEqualTo(height) |
| } |
| |
| @Test |
| fun image_noIntrinsicSize_dimensions() { |
| val width = 24.dp |
| val height = 24.dp |
| rule |
| .setContentWithThemeForSizeAssertions { |
| val image = with(LocalDensity.current) { |
| ImageBitmap(width.roundToPx(), height.roundToPx()) |
| } |
| |
| Icon(image, null) |
| } |
| .assertWidthIsEqualTo(width) |
| .assertHeightIsEqualTo(height) |
| } |
| |
| @Test |
| fun image_withIntrinsicSize_dimensions() { |
| val width = 35.dp |
| val height = 83.dp |
| |
| rule |
| .setContentWithThemeForSizeAssertions { |
| val image = with(LocalDensity.current) { |
| ImageBitmap(width.roundToPx(), height.roundToPx()) |
| } |
| |
| Icon(image, null) |
| } |
| .assertWidthIsEqualTo(width) |
| .assertHeightIsEqualTo(height) |
| } |
| |
| @Test |
| fun painter_noIntrinsicSize_dimensions() { |
| val width = 24.dp |
| val height = 24.dp |
| val painter = ColorPainter(Color.Red) |
| |
| rule |
| .setContentWithThemeForSizeAssertions { |
| Icon(painter, null) |
| } |
| .assertWidthIsEqualTo(width) |
| .assertHeightIsEqualTo(height) |
| } |
| |
| @Test |
| fun painter_withIntrinsicSize_dimensions() { |
| val width = 35.dp |
| val height = 83.dp |
| |
| rule |
| .setContentWithThemeForSizeAssertions { |
| val image = with(LocalDensity.current) { |
| ImageBitmap(width.roundToPx(), height.roundToPx()) |
| } |
| |
| val bitmapPainter = BitmapPainter(image) |
| Icon(bitmapPainter, null) |
| } |
| .assertWidthIsEqualTo(width) |
| .assertHeightIsEqualTo(height) |
| } |
| |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| @Test |
| fun iconScalesToFitSize() { |
| // Image with intrinsic size of 24dp |
| val width = 24.dp |
| val height = 24.dp |
| var expectedIntSize: IntSize? = null |
| |
| rule |
| .setContentWithTheme { |
| val image: ImageBitmap |
| with(LocalDensity.current) { |
| image = createBitmapWithColor( |
| this, |
| width.roundToPx(), |
| height.roundToPx(), |
| Color.Red |
| ) |
| } |
| Icon( |
| image, |
| null, |
| // Force Icon to be 50dp |
| modifier = Modifier.requiredSize(50.dp).testTag(testTag), |
| tint = Color.Unspecified |
| ) |
| with(LocalDensity.current) { |
| val dimension = 50.dp.roundToPx() |
| expectedIntSize = IntSize(dimension, dimension) |
| } |
| } |
| |
| rule.onNodeWithTag(testTag) |
| .captureToImage() |
| // The icon should be 50x50 and fill the whole size with red pixels |
| .assertPixels(expectedSize = expectedIntSize!!) { |
| Color.Red |
| } |
| } |
| |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| @Test |
| fun iconUnspecifiedTintColorIgnored() { |
| val width = 35.dp |
| val height = 83.dp |
| |
| rule |
| .setContentWithTheme { |
| val image: ImageBitmap |
| with(LocalDensity.current) { |
| image = createBitmapWithColor( |
| this, |
| width.roundToPx(), |
| height.roundToPx(), |
| Color.Red |
| ) |
| } |
| Icon( |
| image, |
| null, |
| modifier = Modifier.testTag(testTag), |
| tint = Color.Unspecified |
| ) |
| } |
| |
| // With no color provided for a tint, the icon should render the original pixels |
| rule.onNodeWithTag(testTag).captureToImage().assertPixels { Color.Red } |
| } |
| |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| @Test |
| fun iconSpecifiedTintColorApplied() { |
| val width = 35.dp |
| val height = 83.dp |
| |
| rule |
| .setContentWithTheme { |
| val image: ImageBitmap |
| with(LocalDensity.current) { |
| image = createBitmapWithColor( |
| this, |
| width.roundToPx(), |
| height.roundToPx(), |
| Color.Red |
| ) |
| } |
| Icon( |
| image, |
| null, |
| modifier = Modifier.testTag(testTag), |
| tint = Color.Blue |
| ) |
| } |
| |
| // With a tint color provided, all pixels should be blue |
| rule.onNodeWithTag(testTag).captureToImage().assertPixels { Color.Blue } |
| } |
| |
| @Test |
| fun defaultSemanticsWhenContentDescriptionProvided() { |
| rule |
| .setContent { |
| Icon( |
| bitmap = ImageBitmap(100, 100), |
| contentDescription = "qwerty", |
| modifier = Modifier.testTag(testTag) |
| ) |
| } |
| |
| rule.onNodeWithTag(testTag) |
| .assertContentDescriptionEquals("qwerty") |
| .assert(SemanticsMatcher.expectValue(SemanticsProperties.Role, Role.Image)) |
| } |
| |
| private fun createBitmapWithColor( |
| density: Density, |
| width: Int, |
| height: Int, |
| color: Color |
| ): ImageBitmap { |
| val size = Size(width.toFloat(), height.toFloat()) |
| val image = ImageBitmap(width, height) |
| CanvasDrawScope().draw( |
| density, |
| LayoutDirection.Ltr, |
| Canvas(image), |
| size |
| ) { |
| drawRect(color) |
| } |
| return image |
| } |
| } |