check against RuntimeError for Ruby < 2.5

sporkmonger · Sep 1, 2021 · 4e6fa5f · 4e6fa5f
1 parent 8194318
commit 4e6fa5f
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/spec/addressable/uri_spec.rb b/spec/addressable/uri_spec.rb
@@ -1061,7 +1061,12 @@ def to_s
   end
 
   it "should not allow destructive operations" do
-    expect { @uri.normalize! }.to raise_error(FrozenError)
+    error = if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.5.0')
+              RuntimeError
+            else
+              FrozenError
+            end
+    expect { @uri.normalize! }.to raise_error(error)
   end
 end