X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=test%2Fjalview%2Futil%2FStringUtilsTest.java;h=0308f729f1da28fb6ca09a9f1cf2fe7d66827a51;hb=f0fd407e5fad67185a9813c57bfc50aacaf1de6e;hp=084219ad661026893a57e9597a75e63fe0c321a8;hpb=705d1c84c9a03bb0378593e4d8d8a90c8a11f831;p=jalview.git

diff --git a/test/jalview/util/StringUtilsTest.java b/test/jalview/util/StringUtilsTest.java
index 084219a..0308f72 100644
--- a/test/jalview/util/StringUtilsTest.java
+++ b/test/jalview/util/StringUtilsTest.java
@@ -21,8 +21,10 @@
 package jalview.util;
 
 import static org.testng.AssertJUnit.assertEquals;
+import static org.testng.AssertJUnit.assertFalse;
 import static org.testng.AssertJUnit.assertNull;
 import static org.testng.AssertJUnit.assertTrue;
+import static org.testng.AssertJUnit.fail;
 
 import jalview.gui.JvOptionPane;
 
@@ -145,7 +147,7 @@ public class StringUtilsTest
   public void testListToDelimitedString()
   {
     assertEquals("", StringUtils.listToDelimitedString(null, ";"));
-    List<String> list = new ArrayList<String>();
+    List<String> list = new ArrayList<>();
     assertEquals("", StringUtils.listToDelimitedString(list, ";"));
     list.add("now");
     assertEquals("now", StringUtils.listToDelimitedString(list, ";"));
@@ -250,4 +252,20 @@ public class StringUtilsTest
     assertEquals("kdHydro &lt; 12.53",
             StringUtils.stripHtmlTags("kdHydro < 12.53"));
   }
+
+  @Test(groups = { "Functional" })
+  public void testIsHexString()
+  {
+    assertFalse(StringUtils.isHexString(""));
+    assertTrue(StringUtils.isHexString("0123456789abcdefABCDEF"));
+    assertFalse(StringUtils.isHexString("g"));
+    try
+    {
+      StringUtils.isHexString(null);
+      fail("expected exception");
+    } catch (NullPointerException e)
+    {
+      // expected
+    }
+  }
 }