Test show(::Encoding) and print(::Encoding), improve message

This is an instance, not a type.

Author: nalimilan

src/encodings.jl

@@ -14,7 +14,7 @@ end
 
 convert{T<:AbstractString, enc}(::Type{T}, ::Encoding{enc}) = string(enc)
 
-show{enc}(io::IO, ::Encoding{enc}) = print(io, string(enc), " string encoding type")
+show{enc}(io::IO, ::Encoding{enc}) = print(io, string(enc), " string encoding")
 print{enc}(io::IO, ::Encoding{enc}) = print(io, enc)
 
 

test/runtests.jl

@@ -170,6 +170,10 @@ end
 
 
 ## Test encodings support
+b = IOBuffer()
+show(b, enc"UTF-8")
+@test takebuf_string(b) == "UTF-8 string encoding"
+@test string(enc"UTF-8") == "UTF-8"
 
 encodings_list = encodings()
 @test "ASCII" in encodings_list