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javase/test/matrix: check format support (#1668)

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Valérian Rousset 2023-07-21 00:15:06 +02:00 committed by GitHub
parent 6d1543b3dd
commit 4a59188a2e
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1 changed files with 10 additions and 5 deletions
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15
javase/src/test/java/com/google/zxing/client/j2se/MatrixToImageWriterTestCase.java
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@ -17,7 +17,9 @@
package com.google.zxing.client.j2se;
import com.google.zxing.common.BitMatrix;
import org.hamcrest.CoreMatchers;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Test;
import javax.imageio.ImageIO;
@ -25,12 +27,13 @@ import java.awt.image.BufferedImage;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
/**
* Tests {@link MatrixToImageWriter}.
*/
public final class MatrixToImageWriterTestCase extends Assert {
@Test
public void testBlackAndWhite() throws Exception {
doTest(new MatrixToImageConfig());
@ -45,20 +48,22 @@ public final class MatrixToImageWriterTestCase extends Assert {
public void testAlpha() throws Exception {
doTest(new MatrixToImageConfig(0x7F102030, 0x7F405060));
}
private static void doTest(MatrixToImageConfig config) throws IOException {
doTestFormat("tiff", config);
doTestFormat("png", config);
}
private static void doTestFormat(String format, MatrixToImageConfig config) throws IOException {
Assume.assumeThat(Arrays.asList(ImageIO.getWriterFormatNames()), CoreMatchers.hasItem(format));
int width = 2;
int height = 3;
BitMatrix matrix = new BitMatrix(width, height);
matrix.set(0, 0);
matrix.set(0, 1);
matrix.set(1, 2);
BufferedImage newImage;
Path tempFile = Files.createTempFile(null, "." + format);
try {
@ -76,11 +81,11 @@ public final class MatrixToImageWriterTestCase extends Assert {
int expected = matrix.get(x, y) ? config.getPixelOnColor() : config.getPixelOffColor();
int actual = newImage.getRGB(x, y);
assertEquals(
"At " + x + "," + y + " expected " + Integer.toHexString(expected) +
"At " + x + "," + y + " expected " + Integer.toHexString(expected) +
" but got " + Integer.toHexString(actual),
expected, actual);
}
}
}
}