add test

oscardssmith · web-flow · commit 12d837cda5fa · 2025-03-20T00:30:28.000-04:00
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -262,6 +262,7 @@ end
 @test ismersenneprime(8191)
 @test_throws ArgumentError ismersenneprime(9)
 @test_throws ArgumentError ismersenneprime(9, check=true)
+@test_throws ArgumentError ismersenneprime(17, check=true)
 # test the following does not throw
 ismersenneprime(9, check=false)
 
