diff --git a/src/ShortStrings.jl b/src/ShortStrings.jl
index 7199f76..505df44 100644
--- a/src/ShortStrings.jl
+++ b/src/ShortStrings.jl
@@ -2,7 +2,8 @@ __precompile__(true)
 module ShortStrings
 
 using SortingAlgorithms
-export ShortString, ShortString15, ShortString7, ShortString3, fsort, fsort!
+export ShortString, ShortString15, ShortString7, ShortString3, fsort, fsort!,
+       @ss15_str, @ss7_str, @ss3_str
 
 import Base:unsafe_getindex, ==
 
diff --git a/test/runtests.jl b/test/runtests.jl
index 543645a..b687707 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,7 +1,6 @@
 using ShortStrings
 using Test, Random
 
-# write your own tests here
 r = randstring.(1:15)
 @test all(ShortString15.(r) .== r)
 a = ShortString15.(r)
@@ -21,6 +20,20 @@ a = ShortString{UInt32}.(r)
 a = ShortString3.(r)
 @test fsort(a) |> issorted
 
+@test collect(ShortString3("abc")) == ['a', 'b', 'c']
 
+@test ss15"Short String!!!" === ShortString15("Short String!!!")
+@test ss7"ShrtStr" === ShortString7("ShrtStr")
+@test ss3"ss3" === ShortString3("ss3")
 
-@test collect(ShortString3("abc")) == ['a', 'b', 'c']
+@test_throws ErrorException ShortString{UInt128}("Short String!!!!")
+@test_throws ErrorException ShortString15("Short String!!!!")
+@test_throws ErrorException ss15"Short String!!!!"
+
+@test_throws ErrorException ShortString{UInt64}("ShortStr")
+@test_throws ErrorException ShortString7("ShortStr")
+@test_throws ErrorException ss7"ShortStr"
+
+@test_throws ErrorException ShortString{UInt32}("Short")
+@test_throws ErrorException ShortString3("Short")
+@test_throws ErrorException ss3"Short"