OnJava8-Examples/verifying/StringInverterTest.java
2016-08-19 08:21:09 -06:00

65 lines
2.1 KiB
Java

// verifying/StringInverterTest.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
// {ValidateByHand} // Don't run by itself
import java.util.*;
import org.junit.*;
import static org.junit.Assert.*;
import org.junit.runner.*;
import org.junit.runner.notification.Failure;
public class StringInverterTest {
static StringInverter inverter;
@Test
public final void basicInversion_Succeed() {
String in = "Exit, Pursued by a Bear.";
String out = "eXIT, pURSUED BY A bEAR.";
assertEquals(inverter.invert(in), out);
}
@Test(expected = ComparisonFailure.class)
public final void basicInversion_Fail() {
assertEquals(inverter.invert("X"), "X");
}
@Test(expected = RuntimeException.class)
public final void allowedCharacters_Fail() {
inverter.invert(";-_()*&^%$#@!~`");
inverter.invert("0123456789");
}
/*@Test
public final void allowedCharacters_Succeed() {
inverter.invert("abcdefghijklmnopqrstuvwxyz ,.");
inverter.invert("ABCDEFGHIJKLMNOPQRSTUVWXYZ ,.");
assertTrue(true); // No exception thrown
}*/
@Test(expected = RuntimeException.class)
public final void lengthLessThan26_Fail() {
String str = "xxxxxxxxxxxxxxxxxxxxxxxxxx";
assertTrue(str.length() > 25);
inverter.invert(str);
}
@Test
public final void lengthLessThan26_Succeed() {
String str = "xxxxxxxxxxxxxxxxxxxxxxxxx";
assertTrue(str.length() < 26);
inverter.invert(str);
assertTrue(true); // No exception thrown
}
public static void main(String[] args) throws Exception{
assertEquals(args.length, 1);
inverter = (StringInverter)
Class.forName(args[0]).newInstance();
Result result = JUnitCore.runClasses(
StringInverterTest.class);
List<Failure> failures = result.getFailures();
System.out.printf("%s has %d FAILURES:\n",
args[0], failures.size());
int count = 1;
for(Failure f : failures) {
System.out.printf("Failure %d:\n", count++);
System.out.println(f.getDescription());
System.out.println(f.getMessage());
}
}
}