public void emptyString()
 {
     Assert.True(Class1.IsIsogram(""));
 }
 public void hyphen()
 {
     Assert.True(Class1.IsIsogram("six-year-old"));
 }
 public void spaceName()
 {
     Assert.True(Class1.IsIsogram("Angit Devy"));
 }
 public void thumbScrew()
 {
     Assert.True(Class1.IsIsogram("thumbscrew-japingly"));
 }
 public void upperAndLower()
 {
     Assert.True(Class1.IsIsogram("Alphabet"));
 }
 public void longWord()
 {
     Assert.True(Class1.IsIsogram("subdermatoglyphic"));
 }
 public void eleven()
 {
     Assert.False(Class1.IsIsogram("eleven"));
 }
 public void isogram()
 {
     Assert.True(Class1.IsIsogram("isogram"));
 }