| package com.android.wallpaper.picker.preview.ui.util |
| |
| import android.graphics.Point |
| import android.graphics.PointF |
| import androidx.test.filters.SmallTest |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class FullResImageViewUtilTest { |
| |
| @Test |
| fun getScaleAndCenter_wallpaperSizeSameAsScreen() { |
| val screenWidth = 1080 |
| val screenHeight = 1920 |
| val wallpaperSize = Point(1080, 1920) |
| assertThat( |
| FullResImageViewUtil.getScaleAndCenter( |
| Point(screenWidth, screenHeight), |
| wallpaperSize, |
| cropRect = null, |
| ) |
| ) |
| .isEqualTo( |
| FullResImageViewUtil.ScaleAndCenter( |
| 1F, |
| 8F, |
| 1F, |
| PointF(540F, 960F), |
| ) |
| ) |
| } |
| |
| @Test |
| fun getScaleAndCenter_wallpaperSizeLargerThanScreen() { |
| val screenWidth = 1080 |
| val screenHeight = 1920 |
| val wallpaperSize = Point(3840, 3840) |
| assertThat( |
| FullResImageViewUtil.getScaleAndCenter( |
| Point(screenWidth, screenHeight), |
| wallpaperSize, |
| cropRect = null, |
| ) |
| ) |
| .isEqualTo( |
| FullResImageViewUtil.ScaleAndCenter( |
| 0.5F, |
| 8F, |
| 0.5F, |
| PointF(1920F, 1920F), |
| ) |
| ) |
| } |
| |
| @Test |
| fun getScaleAndCenter_wallpaperSizeSmallerThanScreen() { |
| val screenWidth = 1080 |
| val screenHeight = 1920 |
| val wallpaperSize = Point(960, 960) |
| assertThat( |
| FullResImageViewUtil.getScaleAndCenter( |
| Point(screenWidth, screenHeight), |
| wallpaperSize, |
| cropRect = null, |
| ) |
| ) |
| .isEqualTo( |
| FullResImageViewUtil.ScaleAndCenter( |
| 2F, |
| 8F, |
| 2F, |
| PointF(480F, 480F), |
| ) |
| ) |
| } |
| } |