private void benchmark(int i) {
        Lowercase.toLowerCase("warmup");
        String lowercaseInput = "abcdefghijklmnopqrstuvwxyz" + i;
        String uppercaseInput = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + i;
        String mixedcaseInput = "AbCDEfGHIJklmnoPQRStuvwXyz" + i;

        System.err.println("Lowercase input: ");
        testPerformance(lowercaseInput);

        System.err.println("Uppercase input: ");
        testPerformance(uppercaseInput);

        System.err.println("Mixed-case input: ");
        testPerformance(mixedcaseInput);
    }
@author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
@since 5.1.14
vespajlib/src/test/java/com/yahoo/text/LowercaseTestCase.java