| /* |
| * 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.material |
| |
| import androidx.compose.runtime.Providers |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.ui.test.junit4.createComposeRule |
| import androidx.test.filters.MediumTest |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.Parameterized |
| |
| @Suppress("unused") |
| @MediumTest |
| @RunWith(Parameterized::class) |
| class ContentAlphaTest(private val colors: Colors, private val debugParameterName: String) { |
| private val ReducedContrastHighContentAlpha = 0.87f |
| private val ReducedContrastMediumContentAlpha = 0.60f |
| private val ReducedContrastDisabledContentAlpha = 0.38f |
| |
| private val HighContrastHighContentAlpha = 1.00f |
| private val HighContrastMediumContentAlpha = 0.74f |
| private val HighContrastDisabledContentAlpha = 0.38f |
| |
| companion object { |
| @JvmStatic |
| @Parameterized.Parameters(name = "{1}") |
| fun initColors() = arrayOf( |
| arrayOf(lightColors(), "Light theme"), |
| arrayOf(darkColors(), "Dark theme") |
| ) |
| } |
| |
| @get:Rule |
| val rule = createComposeRule() |
| |
| @Test |
| fun noContentAlphaSpecified_contentColorUnmodified_surface() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface { |
| val onSurface = MaterialTheme.colors.onSurface |
| |
| assertThat(LocalContentColor.current).isEqualTo(onSurface) |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun highContentAlpha_contentColorSet_surface() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface { |
| Providers(LocalContentAlpha provides ContentAlpha.high) { |
| assertThat(LocalContentAlpha.current) |
| .isEqualTo(ReducedContrastHighContentAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun mediumContentAlpha_contentColorSet_surface() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface { |
| Providers(LocalContentAlpha provides ContentAlpha.medium) { |
| assertThat(LocalContentAlpha.current) |
| .isEqualTo(ReducedContrastMediumContentAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun disabledContentAlpha_contentColorSet_surface() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface { |
| Providers(LocalContentAlpha provides ContentAlpha.disabled) { |
| assertThat(LocalContentAlpha.current) |
| .isEqualTo(ReducedContrastDisabledContentAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun noContentAlphaSpecified_contentColorUnmodified_primary() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface(color = colors.primary) { |
| val onPrimary = MaterialTheme.colors.onPrimary |
| |
| assertThat(LocalContentColor.current).isEqualTo(onPrimary) |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun highContentAlpha_contentColorSet_primary() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface(color = colors.primary) { |
| Providers(LocalContentAlpha provides ContentAlpha.high) { |
| assertThat(LocalContentAlpha.current) |
| .isEqualTo(HighContrastHighContentAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun mediumContentAlpha_contentColorSet_primary() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface(color = colors.primary) { |
| Providers(LocalContentAlpha provides ContentAlpha.medium) { |
| assertThat(LocalContentAlpha.current) |
| .isEqualTo(HighContrastMediumContentAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun disabledContentAlpha_contentColorSet_primary() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface(color = colors.primary) { |
| Providers(LocalContentAlpha provides ContentAlpha.disabled) { |
| assertThat(LocalContentAlpha.current) |
| .isEqualTo(HighContrastDisabledContentAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun noContentAlphaSpecified_contentColorUnmodified_colorNotFromTheme() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| Surface(contentColor = Color.Yellow) { |
| assertThat(LocalContentColor.current).isEqualTo(Color.Yellow) |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun highContentAlpha_contentColorSet_highLuminanceColorNotFromTheme() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| val contentColor = Color(0.9f, 0.9f, 0.9f) |
| Surface(contentColor = contentColor) { |
| Providers(LocalContentAlpha provides ContentAlpha.high) { |
| val expectedAlpha = if (colors.isLight) { |
| HighContrastHighContentAlpha |
| } else { |
| ReducedContrastHighContentAlpha |
| } |
| assertThat(LocalContentAlpha.current).isEqualTo(expectedAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun mediumContentAlpha_contentColorSet_highLuminanceColorNotFromTheme() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| val contentColor = Color(0.9f, 0.9f, 0.9f) |
| Surface(contentColor = contentColor) { |
| Providers(LocalContentAlpha provides ContentAlpha.medium) { |
| val expectedAlpha = if (colors.isLight) { |
| HighContrastMediumContentAlpha |
| } else { |
| ReducedContrastMediumContentAlpha |
| } |
| assertThat(LocalContentAlpha.current).isEqualTo(expectedAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun disabledContentAlpha_contentColorSet_highLuminanceColorNotFromTheme() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| val contentColor = Color(0.9f, 0.9f, 0.9f) |
| Surface(contentColor = contentColor) { |
| Providers(LocalContentAlpha provides ContentAlpha.disabled) { |
| val expectedAlpha = if (colors.isLight) { |
| HighContrastDisabledContentAlpha |
| } else { |
| ReducedContrastDisabledContentAlpha |
| } |
| assertThat(LocalContentAlpha.current).isEqualTo(expectedAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun highContentAlpha_contentColorSet_lowLuminanceColorNotFromTheme() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| val contentColor = Color(0.1f, 0.1f, 0.1f) |
| Surface(contentColor = contentColor) { |
| Providers(LocalContentAlpha provides ContentAlpha.high) { |
| val expectedAlpha = if (colors.isLight) { |
| ReducedContrastHighContentAlpha |
| } else { |
| HighContrastHighContentAlpha |
| } |
| assertThat(LocalContentAlpha.current).isEqualTo(expectedAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun mediumContentAlpha_contentColorSet_lowLuminanceColorNotFromTheme() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| val contentColor = Color(0.1f, 0.1f, 0.1f) |
| Surface(contentColor = contentColor) { |
| Providers(LocalContentAlpha provides ContentAlpha.medium) { |
| val expectedAlpha = if (colors.isLight) { |
| ReducedContrastMediumContentAlpha |
| } else { |
| HighContrastMediumContentAlpha |
| } |
| assertThat(LocalContentAlpha.current).isEqualTo(expectedAlpha) |
| } |
| } |
| } |
| } |
| } |
| |
| @Test |
| fun disabledContentAlpha_contentColorSet_lowLuminanceColorNotFromTheme() { |
| rule.setContent { |
| MaterialTheme(colors) { |
| val contentColor = Color(0.1f, 0.1f, 0.1f) |
| Surface(contentColor = contentColor) { |
| Providers(LocalContentAlpha provides ContentAlpha.disabled) { |
| val expectedAlpha = if (colors.isLight) { |
| ReducedContrastDisabledContentAlpha |
| } else { |
| HighContrastDisabledContentAlpha |
| } |
| assertThat(LocalContentAlpha.current).isEqualTo(expectedAlpha) |
| } |
| } |
| } |
| } |
| } |
| } |