corda/test/Regex.java
Johannes Schindelin b03283033e Add a unit test for the regular expression engine
We still do not parse the regular expression patterns, but we can at
least test that the hardcoded 'a(bb)+a' works as expected.

This class will be extended as we support more and more features.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2013-12-03 12:28:10 -06:00

27 lines
683 B
Java

import regex.Matcher;
import regex.Pattern;
public class Regex {
private static void expect(boolean v) {
if (! v) throw new RuntimeException();
}
private static Matcher getMatcher(String regex, String string) {
return Pattern.compile(regex).matcher(string);
}
private static void expectMatch(String regex, String string) {
expect(getMatcher(regex, string).matches());
}
private static void expectNoMatch(String regex, String string) {
expect(!getMatcher(regex, string).matches());
}
public static void main(String[] args) {
expectMatch("a(bb)?a", "abba");
expectNoMatch("a(bb)?a", "abbba");
expectNoMatch("a(bb)?a", "abbaa");
}
}