Update Enumerable#inject to raise a LocalJumpError if no block or sym…

…bol are given
ruby · Mar 28, 2022 · 570fb2d · 570fb2d
1 parent 162981d
commit 570fb2d
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/core/enumerable/shared/inject.rb b/core/enumerable/shared/inject.rb
@@ -66,4 +66,11 @@
   it "returns nil when fails(legacy rubycon)" do
     EnumerableSpecs::EachDefiner.new().send(@method) {|acc,x| 999 }.should == nil
   end
+
+  ruby_bug '#18635', ''...'3.2' do
+    it "raises an ArgumentError when no parameters or block is given" do
+      -> { [1,2].send(@method) }.should raise_error(ArgumentError)
+      -> { {one: 1, two: 2}.send(@method) }.should raise_error(ArgumentError)
+    end
+  end
 end