private void verifyTargetOperations(
String[] source, String[] target, int[] expectedOps, int expectedDistance) {
Token[] sourceTokens = makeTokens(source);
Token[] targetTokens = makeTokens(target);
assertEquals("test error", target.length, expectedOps.length);
LevenshteinDistance distance = new LevenshteinDistance(sourceTokens, targetTokens);
assertEquals(expectedDistance, distance.calculate());
EditOperation[] ops = distance.getTargetOperations();
assertEquals(expectedOps.length, ops.length);
for (int i = 0; i < ops.length; ++i) {
assertEquals(
"Token " + i + " '" + target[i] + "' has wrong operation",
expectedOps[i],
ops[i].getType());
if (expectedOps[i] == UNCHANGED) {
assertEquals(source[ops[i].getPosition()], target[i]);
} else if (expectedOps[i] == REPLACE) {
assertFalse(source[ops[i].getPosition()].equals(target[i]));
}
}
}
