Imports Xunit Public Class PangramTests Public Sub Empty_sentence() Assert.False(Pangram.IsPangram("")) End Sub Public Sub Perfect_lower_case() Assert.True(Pangram.IsPangram("abcdefghijklmnopqrstuvwxyz")) End Sub Public Sub Only_lower_case() Assert.True(Pangram.IsPangram("the quick brown fox jumps over the lazy dog")) End Sub Public Sub Missing_the_letter_x() Assert.False(Pangram.IsPangram("a quick movement of the enemy will jeopardize five gunboats")) End Sub Public Sub Missing_the_letter_h() Assert.False(Pangram.IsPangram("five boxing wizards jump quickly at it")) End Sub Public Sub With_underscores() Assert.True(Pangram.IsPangram("the_quick_brown_fox_jumps_over_the_lazy_dog")) End Sub Public Sub With_numbers() Assert.True(Pangram.IsPangram("the 1 quick brown fox jumps over the 2 lazy dogs")) End Sub Public Sub Missing_letters_replaced_by_numbers() Assert.False(Pangram.IsPangram("7h3 qu1ck brown fox jumps ov3r 7h3 lazy dog")) End Sub Public Sub Mixed_case_and_punctuation() Assert.True(Pangram.IsPangram("""Five quacking Zephyrs jolt my wax bed.""")) End Sub Public Sub A_m_and_a_m_are_26_different_characters_but_not_a_pangram() Assert.False(Pangram.IsPangram("abcdefghijklm ABCDEFGHIJKLM")) End Sub End Class