--- /dev/null
+package jalview.util;
+
+import static org.testng.Assert.assertEquals;
+
+import org.testng.annotations.Test;
+
+public class FormatTest
+{
+ @Test(groups = "Functional")
+ public void testAppendPercentage()
+ {
+ StringBuilder sb = new StringBuilder();
+ Format.appendPercentage(sb, 123.456f, 0);
+ assertEquals(sb.toString(), "123");
+
+ sb.setLength(0);
+ Format.appendPercentage(sb, 123.456f, 1);
+ assertEquals(sb.toString(), "123.4");
+
+ sb.setLength(0);
+ Format.appendPercentage(sb, 123.456f, 2);
+ assertEquals(sb.toString(), "123.45");
+
+ sb.setLength(0);
+ Format.appendPercentage(sb, 123.456f, 3);
+ assertEquals(sb.toString(), "123.456");
+
+ sb.setLength(0);
+ Format.appendPercentage(sb, 123.456f, 4);
+ assertEquals(sb.toString(), "123.4560");
+ }
+}