| /* |
| * 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.ui.viewinterop |
| |
| import android.os.Build |
| import androidx.compose.foundation.layout.size |
| import androidx.compose.runtime.CompositionLocalProvider |
| import androidx.compose.runtime.mutableStateOf |
| import androidx.compose.testutils.assertPixels |
| import androidx.compose.ui.Modifier |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.ui.graphics.toArgb |
| import androidx.compose.ui.layout.onGloballyPositioned |
| import androidx.compose.ui.platform.LocalDensity |
| import androidx.compose.ui.platform.testTag |
| 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.dp |
| import androidx.compose.ui.viewinterop.databinding.TestLayoutBinding |
| import androidx.test.ext.junit.runners.AndroidJUnit4 |
| import androidx.test.filters.LargeTest |
| import androidx.test.filters.MediumTest |
| import androidx.test.filters.SdkSuppress |
| import com.google.common.truth.Truth |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| |
| @MediumTest |
| @RunWith(AndroidJUnit4::class) |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| class AndroidViewBindingTest { |
| |
| @get:Rule |
| val rule = createComposeRule() |
| |
| @Test |
| fun drawing() { |
| rule.setContent { |
| AndroidViewBinding(TestLayoutBinding::inflate, Modifier.testTag("layout")) |
| } |
| |
| val size = 50.dp |
| val sizePx = with(rule.density) { size.roundToPx() } |
| rule.onNodeWithTag("layout").captureToImage().assertPixels(IntSize(sizePx, sizePx * 2)) { |
| if (it.y < sizePx) Color.Blue else Color.Black |
| } |
| } |
| |
| @Test |
| @LargeTest |
| fun update() { |
| val color = mutableStateOf(Color.Gray) |
| rule.setContent { |
| AndroidViewBinding(TestLayoutBinding::inflate, Modifier.testTag("layout")) { |
| second.setBackgroundColor(color.value.toArgb()) |
| } |
| } |
| |
| val size = 50.dp |
| val sizePx = with(rule.density) { size.roundToPx() } |
| rule.onNodeWithTag("layout").captureToImage() |
| .assertPixels(IntSize(sizePx, sizePx * 2)) { |
| if (it.y < sizePx) Color.Blue else color.value |
| } |
| |
| rule.runOnIdle { color.value = Color.DarkGray } |
| rule.onNodeWithTag("layout").captureToImage() |
| .assertPixels(IntSize(sizePx, sizePx * 2)) { |
| if (it.y < sizePx) Color.Blue else color.value |
| } |
| } |
| |
| @Test |
| fun propagatesDensity() { |
| rule.setContent { |
| val size = 50.dp |
| val density = Density(3f) |
| val sizeIpx = with(density) { size.roundToPx() } |
| CompositionLocalProvider(LocalDensity provides density) { |
| AndroidViewBinding( |
| TestLayoutBinding::inflate, |
| Modifier.size(size).onGloballyPositioned { |
| Truth.assertThat(it.size).isEqualTo(IntSize(sizeIpx, sizeIpx)) |
| } |
| ) |
| } |
| } |
| rule.waitForIdle() |
| } |
| } |