public void testCaseInsensitive() {
// 2. Case insensitive tests.
matcher = new ApproximateMatcher();
assertEquals(3, matcher.match("AbcD", "ABcdx"));
matcher.setIgnoreCase(true);
assertEquals(1, matcher.match(matcher.process("AbcD"), matcher.process("ABcdx")));
}
public void testFractionalMatching() {
// 3. Fractional matching.
matcher = new ApproximateMatcher();
assertTrue(matcher.matches("abcd", "abxy", 0.f));
assertTrue(matcher.matches("abcd", "abxy", 0.5f));
assertTrue(!matcher.matches("abcd", "abxy", 1.f));
assertTrue(matcher.matches("01234567890123456789", "01234X67890123456789", 0.5f));
assertTrue(matcher.matches("01234567890123456789", "01234X67890123456789", 0.9f));
assertTrue(!matcher.matches("01234567890123456789", "01234X67890123456789", 1.f));
}
private static void scan(String s1, String s2, int expected) {
// Match forward and backwards
ApproximateMatcher matcher = null;
matcher = new ApproximateMatcher(5); // reuse buffer for some,not all
matcher.setCompareBackwards(true);
assertEquals(expected, matcher.match(matcher.process(s1), matcher.process(s2)));
matcher.setCompareBackwards(false);
assertEquals(expected, matcher.match(s1, s2));
// Bounded match
for (int i = -1; i < expected; i++) {
assertTrue(
"i=" + i + ", expected=" + expected + " match=" + matcher.match(s1, s2),
!matcher.matches(s1, s2, i));
}
assertTrue(matcher.matches(s1, s2, expected));
assertTrue(matcher.matches(s1, s2, expected + 1));
}
public void testWhitespace() {
// 4. Whitespace
matcher = new ApproximateMatcher();
assertEquals(2, matcher.match(" a_", "_a "));
matcher.setIgnoreWhitespace(true);
assertEquals(0, matcher.match(matcher.process(" a_"), matcher.process("_a ")));
matcher = new ApproximateMatcher();
assertEquals(1, matcher.match("a b", "ab"));
matcher.setIgnoreWhitespace(true);
assertEquals(0, matcher.match(matcher.process("a b"), matcher.process("ab")));
matcher = new ApproximateMatcher();
assertEquals(1, matcher.match("ab", "a_b"));
matcher.setIgnoreWhitespace(true);
assertEquals(0, matcher.match(matcher.process("ab"), matcher.process("a_b")));
}
