add test for foldr on one element range (#22085)

(cherry picked from commit 64cb7e0)
JuliaLang · Jun 3, 2017 · 1267d75 · 1267d75
1 parent a3bd7ad
commit 1267d75
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/test/reduce.jl b/test/reduce.jl
@@ -362,3 +362,6 @@ end
 test18695(r) = sum( t^2 for t in r )
 @test @inferred(test18695([1.0,2.0,3.0,4.0])) == 30.0
 @test_throws ArgumentError test18695(Any[])
+
+# issue #21107
+@test foldr(-,2:2) == 2