42 lines
1.2 KiB
Java
42 lines
1.2 KiB
Java
package a2geek.apple2.image.encoder.encode;
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import a2geek.apple2.image.encoder.encode.RleEncoder;
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/**
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* Exercise the RleEncoder.
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* <p>
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* Note that the RleEncoder and VariableRleEncoder actually encode the repeated byte
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* and the number of repeats in a different order.
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*
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* @author a2geek@users.noreply.github.com
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* @see a2geek.apple2.image.encoder.encode.RleEncoder;
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* @see a2geek.apple2.image.encoder.encode.EncoderTestCase;
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*/
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public class RleEncoderTest extends EncoderTestCase {
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/**
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* Test the RleEncoder with the given input and output.
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*/
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protected void test(String input, String output) {
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byte[] data = toBytes(input);
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byte[] answer = toBytes(output);
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RleEncoder e = new RleEncoder();
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e.encode(data, 100);
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byte[] result = e.getData();
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assertEquals(answer.length, e.getSize());
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assertEquals(answer, result);
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}
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public void testNoRuns() {
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test("01020304", "0001020304");
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}
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public void testOneByteRun() {
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test(repeat("12",10), "0000120a");
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}
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public void testTwoByteRun() {
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test(repeat("5566",6), "00" + repeat("5566",6));
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}
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public void testMixedData() {
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test("1122" + repeat("55",25) + "3344", "0011220055193344");
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}
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}
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