package com.atlassian.plugin.util;
   
   import org.junit.Test;
   
   import static com.atlassian.plugin.util.EfficientStringUtils.endsWith;
   import static org.junit.Assert.assertFalse;
   import static org.junit.Assert.assertTrue;
   
   public class EfficientStringUtilsTest {
  
      @Test
      public void testEndsWith() {
          assertTrue(endsWith("abc", "c"));
          assertTrue(endsWith("foo.xml", ".", "xml"));
          assertTrue(endsWith("foo", "foo"));
      }
  
      @Test
      public void testEndsWithNoMatchingSuffix() {
          assertFalse(endsWith("foo", "ooo"));
          assertFalse(endsWith("foo.xml", "."));
      }
  
      @Test
      public void testEndsWithEmptySuffixes() {
          // Degenerate cases: any string ends with nothing
          assertTrue(endsWith("foo", ""));
          assertTrue(endsWith("", ""));
          assertTrue(endsWith("foo"));
          assertTrue(endsWith(""));
      }
  }