Anonymous user
Run-length encoding: Difference between revisions
m
→{{header|Java}}: Changed to static methods, showed tests that were previously commented
(added PowerBASIC) |
m (→{{header|Java}}: Changed to static methods, showed tests that were previously commented) |
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Line 583:
public class RunLengthEncoding {
public static String encode(String source) {
StringBuffer dest = new StringBuffer();
for (int i = 0; i < source.length(); i++) {
Line 597:
}
public static String decode(String source) {
StringBuffer dest = new StringBuffer();
Pattern pattern = Pattern.compile("[0-9]+|[a-zA-Z]");
Line 612:
public static void main(String[] args) {
String example = "WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW";
System.out.println(
System.out.println(
}
}</lang>
Tests:
import static org.junit.Assert.assertEquals;▼
{{works with|JUnit}}
▲<lang java>import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class RunLengthEncodingTest {
private
@Test
Line 631 ⟶ 632:
assertEquals("4W", RLE.encode("WWWW"));
assertEquals("5w4i7k3i6p5e4d2i1a",
RLE.encode("wwwwwiiiikkkkkkkiiippppppeeeeeddddiia"));
assertEquals("12B1N12B3N24B1N14B",
▲ .encode("BBBBBBBBBBBBNBBBBBBBBBBBBNNNBBBBBBBBBBBBBBBBBBBBBBBBNBBBBBBBBBBBBBB"));
▲"12W1B12W3B24W1B14W",RLE.encode("WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW"));
assertEquals("1W1B1W1B1W1B1W1B1W1B1W1B1W1B", RLE.encode("WBWBWBWBWBWBWB"));
Line 648 ⟶ 647:
assertEquals("WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW",
RLE.decode("12W1B12W3B24W1B14W"));
assertEquals("WBWBWBWBWBWBWB", RLE.decode("1W1B1W1B1W1B1W1B1W1B1W1B1W1B"));
▲ assertEquals("WBWBWBWBWBWBWB", RLE
}
}</lang>
=={{header|JavaScript}}==
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