@Test
public void testRemovingElementWhichIsNotPresent() {
ImagesBuffer buffer = ImagesBuffer.getInstance();
buffer.clear();
buffer.removeEntry("dasd");
Assert.assertEquals(0, buffer.size());
}
@Test
public void testGettingElementWhichIsNotPresent() {
ImagesBuffer buffer = ImagesBuffer.getInstance();
buffer.clear();
BufferedImage im = buffer.getEntry("dasd");
Assert.assertEquals(null, im);
}
@Test
public void testAddingTheSameEntires() {
ImagesBuffer buffer = ImagesBuffer.getInstance();
buffer.clear();
buffer.addEntry("all", "cards.jpg");
buffer.addEntry("all", "cards.jpg");
Assert.assertEquals(1, buffer.size());
}
@Test
public void testWetherAfterAddingEntryNumberOfEntriesEcountered() {
ImagesBuffer buffer = ImagesBuffer.getInstance();
buffer.clear();
buffer.addEntry("all", "cards.jpg");
int size = buffer.size();
Assert.assertEquals(1, size);
}
@Test
public void testWetherAfterAddingEntryAndRemovingItSizesAreChanging() {
ImagesBuffer buffer = ImagesBuffer.getInstance();
buffer.clear();
buffer.addEntry("all", "cards.jpg");
Assert.assertEquals(1, buffer.size());
buffer.removeEntry("all");
Assert.assertEquals(0, buffer.size());
}