     calculate("body > a-custom-tag-#{letter}#an-id")
 
     calculate(".a-custom-class-#{letter}")
+    calculate(".a-custom-class-#{letter}:last")
     calculate(".a-custom-class-#{letter}-#{number}")
+    calculate(".a-custom-class-#{letter}:not(.a{number})")
 
     calculate(".a-custom-class-#{letter}, body")
     calculate(".a-custom-class-#{letter}-#{number}, body")

{specificity} = require '../src/main'

count = 0


    calculate(".a-class, .a-custom-class-#{letter}#an-id")

    calculate("#a-custom-id-#{letter}")
    calculate("#a-custom-id-#{letter}:last")
    calculate("#a-custom-id-#{letter}:not(.a-#{number})")
    calculate("#a-custom-id-#{letter}.a-class")

    calculate("#an-id > #a-custom-id-#{letter}")
