1 files changed, 9 insertions, 9 deletions
diff --git a/spec/ruby/core/dir/foreach_spec.rb b/spec/ruby/core/dir/foreach_spec.rb
index c3ddb27a84..2a2265a029 100644
--- a/spec/ruby/core/dir/foreach_spec.rb
+++ b/spec/ruby/core/dir/foreach_spec.rb
@@ -31,29 +31,29 @@ describe "Dir.foreach" do
   end
 
   it "raises a SystemCallError if passed a nonexistent directory" do
-    -> { Dir.foreach(DirSpecs.nonexistent) {} }.should raise_error(SystemCallError)
+    -> { Dir.foreach(DirSpecs.nonexistent) {} }.should.raise(SystemCallError)
   end
 
   it "returns an Enumerator if no block given" do
-    Dir.foreach(DirSpecs.mock_dir).should be_an_instance_of(Enumerator)
+    Dir.foreach(DirSpecs.mock_dir).should.instance_of?(Enumerator)
     Dir.foreach(DirSpecs.mock_dir).to_a.sort.should == DirSpecs.expected_paths
   end
 
   it "accepts an encoding keyword for the encoding of the entries" do
     dirs = Dir.foreach("#{DirSpecs.mock_dir}/deeply/nested", encoding: "utf-8").to_a.sort
-    dirs.each {|dir| dir.encoding.should == Encoding::UTF_8}
-  end
+    dirs.each { |dir| dir.encoding.should == Encoding::UTF_8 }
+
+    dirs = Dir.foreach("#{DirSpecs.mock_dir}/deeply/nested", encoding: Encoding::ISO_8859_1).to_a.sort
+    dirs.each { |dir| dir.encoding.should == Encoding::ISO_8859_1 }
 
-  ruby_version_is ""..."2.7" do
-    it "accepts nil options" do
-      dirs = Dir.foreach("#{DirSpecs.mock_dir}/deeply/nested", nil).to_a.sort
-      dirs.each {|dir| dir.encoding.should == Encoding.find("filesystem")}
+    Dir.foreach("#{DirSpecs.mock_dir}/deeply/nested", encoding: Encoding::ISO_8859_1) do |f|
+      f.encoding.should == Encoding::ISO_8859_1
     end
   end
 
   describe "when no block is given" do
     it "returns an Enumerator" do
-      Dir.foreach(DirSpecs.mock_dir).should be_an_instance_of(Enumerator)
+      Dir.foreach(DirSpecs.mock_dir).should.instance_of?(Enumerator)
       Dir.foreach(DirSpecs.mock_dir).to_a.sort.should == DirSpecs.expected_paths
     end