package jalview.gui;

import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertNull;
import static org.testng.AssertJUnit.assertSame;

import org.testng.annotations.Test;

public class AppVarnaTest
{
  @Test
  public void testReplaceOddGaps()
  {
    String struct = "{(<]}>)";
    String replaced = AppVarna.replaceOddGaps(struct);
    assertEquals(struct, replaced);
    assertSame(struct, replaced);
    assertEquals("..{.([.<.].}.>)",
            AppVarna.replaceOddGaps("..{ ([*<-]?} >)"));
    assertEquals("....", AppVarna.replaceOddGaps("cgta"));
    assertEquals("", AppVarna.replaceOddGaps(""));
    assertNull(AppVarna.replaceOddGaps(null));
  }
}