Merge pull request #25855 from JuliaLang/ksh/showint

Add tests for showing Core.Intrinsics
JuliaLang · Feb 2, 2018 · 9f8496c · 9f8496c
2 parents 90d1f1c + 37b5d92
commit 9f8496c
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/test/show.jl b/test/show.jl
@@ -1146,3 +1146,13 @@ end
     show(buf, methods(f22798))
     @test contains(String(take!(buf)), "f22798(x::Integer, y)")
 end
+
+@testset "Intrinsic printing" begin
+    @test sprint(show, Core.Intrinsics.arraylen) == "arraylen"
+    let io = IOBuffer()
+        show(io, MIME"text/plain"(), Core.Intrinsics.arraylen)
+        str = String(take!(io))
+        @test contains(str, "arraylen")
+        @test contains(str, "(intrinsic function")
+    end
+end