1 files changed, 10 insertions, 2 deletions
diff --git a/spec/ruby/optional/capi/kernel_spec.rb b/spec/ruby/optional/capi/kernel_spec.rb
index 44cf311895..7539e0c01c 100644
--- a/spec/ruby/optional/capi/kernel_spec.rb
+++ b/spec/ruby/optional/capi/kernel_spec.rb
@@ -396,12 +396,20 @@ describe "C-API Kernel function" do
       proc = -> x { x }
       arg_error_proc = -> *_ { raise ArgumentError, '' }
       run_error_proc = -> *_ { raise RuntimeError, '' }
-      type_error_proc = -> *_ { raise TypeError, '' }
+      type_error_proc = -> *_ { raise Exception, 'custom error' }
       @s.rb_rescue2(arg_error_proc, :no_exc, proc, :exc, ArgumentError, RuntimeError).should == :exc
       @s.rb_rescue2(run_error_proc, :no_exc, proc, :exc, ArgumentError, RuntimeError).should == :exc
       -> {
         @s.rb_rescue2(type_error_proc, :no_exc, proc, :exc, ArgumentError, RuntimeError)
-      }.should raise_error(TypeError)
+      }.should raise_error(Exception, 'custom error')
+    end
+
+    ruby_bug "#17305", ""..."2.7" do
+      it "raises TypeError if one of the passed exceptions is not a Module" do
+        -> {
+          @s.rb_rescue2(-> *_ { raise RuntimeError, "foo" }, :no_exc, -> x { x }, :exc, Object.new, 42)
+        }.should raise_error(TypeError, /class or module required/)
+      end
     end
   end