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More tests.

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This commit is contained in:
Harald Kuhr
2012-02-01 15:57:06 +01:00
parent ed441a7d6a
commit cda19ece0d
8 changed files with 110 additions and 7 deletions
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66
imageio/imageio-core/src/test/java/com/twelvemonkeys/imageio/util/ImageReaderAbstractTestCase.java
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@@ -1441,6 +1441,72 @@ public abstract class ImageReaderAbstractTestCase<T extends ImageReader> {
}
}
@Test
public void testNotBadCaching() throws IOException {
T reader = createReader();
TestData data = getTestData().get(0);
reader.setInput(data.getInputStream());
BufferedImage one = reader.read(0);
BufferedImage two = reader.read(0);
assertNotSame("Multiple reads return same (mutable) image", one, two);
Graphics2D g = one.createGraphics();
try {
g.setColor(Color.WHITE);
g.setXORMode(Color.BLACK);
g.fillRect(0, 0, one.getWidth(), one.getHeight());
}
finally {
g.dispose();
}
assertTrue(one.getRGB(0, 0) != two.getRGB(0, 0));
}
@Test
public void testNotBadCachingThumbnails() throws IOException {
T reader = createReader();
if (reader.readerSupportsThumbnails()) {
for (TestData data : getTestData()) {
reader.setInput(data.getInputStream());
int images = reader.getNumImages(true);
for (int i = 0; i < images; i++) {
int thumbnails = reader.getNumThumbnails(0);
for (int j = 0; j < thumbnails; j++) {
BufferedImage one = reader.readThumbnail(i, j);
BufferedImage two = reader.readThumbnail(i, j);
assertNotSame("Multiple reads return same (mutable) image", one, two);
Graphics2D g = one.createGraphics();
try {
g.setColor(Color.WHITE);
g.setXORMode(Color.BLACK);
g.fillRect(0, 0, one.getWidth(), one.getHeight());
}
finally {
g.dispose();
}
assertTrue(one.getRGB(0, 0) != two.getRGB(0, 0));
}
if (thumbnails > 0) {
// We've tested thumbnails, let's get out of here
return;
}
}
}
fail("No thumbnails tested for reader that supports thumbnails.");
}
}
@Ignore("TODO: Implement")
@Test
public void testSetDestinationBands() throws IOException {