git.gag.com Git - debian/openrocket/blob - test/net/sf/openrocket/util/UniqueIDTest.java

   1 package net.sf.openrocket.util;
   2
   3 import static org.junit.Assert.*;
   4
   5 import org.junit.Test;
   6
   7 public class UniqueIDTest {
   8
   9         @Test
  10         public void integerTest() {
  11
  12                 int n = UniqueID.next();
  13                 assertTrue(n > 0);
  14                 assertEquals(n+1, UniqueID.next());
  15                 assertEquals(n+2, UniqueID.next());
  16                 assertEquals(n+3, UniqueID.next());
  17
  18         }
  19
  20
  21         @Test
  22         public void stringTest() {
  23                 String id = UniqueID.uuid();
  24                 assertNotNull(id);
  25                 assertNotSame(id, UniqueID.uuid());
  26                 assertNotSame(id, UniqueID.uuid());
  27         }
  28
  29         @Test
  30         public void hashedTest() {
  31                 String id = UniqueID.generateHashedID();
  32                 assertNotNull(id);
  33
  34                 boolean matchhigh = false;
  35                 boolean matchlow = false;
  36                 for (int i=0; i<100; i++) {
  37                         String newid = UniqueID.generateHashedID();
  38                         assertNotNull(newid);
  39                         assertNotSame(id, newid);
  40                         assertTrue(newid.matches("^[0-9a-fA-F]{32}$"));
  41
  42                         // Check that both high and low values occur
  43                         matchhigh = matchhigh || newid.matches("^([0-9a-fA-F][0-9a-fA-F])*[A-F].*");
  44                         matchlow = matchlow || newid.matches("^([0-9a-fA-F][0-9a-fA-F])*[0-4].*");
  45                 }
  46                 assertTrue(matchhigh);
  47                 assertTrue(matchlow);
  48         }
  49
  50 }