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/*
* Copyright 2022 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 platform.test.screenshot
import android.graphics.Rect
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.MediumTest
import com.google.common.truth.Truth.assertThat
import platform.test.screenshot.matchers.PixelPerfectMatcher
import platform.test.screenshot.utils.loadBitmap
import org.junit.Test
import org.junit.runner.RunWith
@RunWith(AndroidJUnit4::class)
@MediumTest
class PixelPerfectMatcherTest {
@Test
fun performDiff_sameBitmaps() {
val first = loadBitmap("round_rect_gray")
val second = loadBitmap("round_rect_gray")
val matcher = PixelPerfectMatcher()
val result = matcher.compareBitmaps(
first.toIntArray(), second.toIntArray(),
first.width, first.height
)
assertThat(result.matches).isTrue()
}
@Test
fun performDiff_sameSize_differentBorders() {
val first = loadBitmap("round_rect_gray")
val second = loadBitmap("round_rect_green")
val matcher = PixelPerfectMatcher()
val result = matcher.compareBitmaps(
first.toIntArray(), second.toIntArray(),
first.width, first.height
)
assertThat(result.matches).isFalse()
}
@Test
fun performDiff_sameSize_differentBorders_partialCompare() {
val first = loadBitmap("round_rect_gray")
val second = loadBitmap("round_rect_green")
val matcher = PixelPerfectMatcher()
val result = matcher.compareBitmaps(
first.toIntArray(), second.toIntArray(),
first.width, first.height,
arrayOf(Rect(/* left= */1, /* top= */1, /* right= */4, /* bottom= */4))
)
assertThat(result.matches).isTrue()
}
}
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