[GR-19220] Update eql? to == in String#encode spec

PullRequest: truffleruby/1977

Author: bjfish

spec/ruby/core/string/encode_spec.rb

@@ -21,15 +21,15 @@
       str = "あ"
       encoded = str.encode
       encoded.should_not equal(str)
-      encoded.should eql(str)
+      encoded.should == str
     end
 
     it "returns a copy for a ASCII-only String when Encoding.default_internal is nil" do
       Encoding.default_internal = nil
       str = "abc"
       encoded = str.encode
       encoded.should_not equal(str)
-      encoded.should eql(str)
+      encoded.should == str
     end
 
     it "encodes an ascii substring of a binary string to UTF-8" do
@@ -45,7 +45,7 @@
       str = "あ"
       encoded = str.encode(Encoding::UTF_8)
       encoded.should_not equal(str)
-      encoded.should eql(str)
+      encoded.should == str
     end
 
     it "round trips a String" do
@@ -81,7 +81,7 @@
       encoded = str.encode("utf-8", "utf-8")
 
       encoded.should_not equal(str)
-      encoded.should eql(str.force_encoding("utf-8"))
+      encoded.should == str.force_encoding("utf-8")
       encoded.encoding.should == Encoding::UTF_8
     end
 
@@ -96,7 +96,7 @@
       str = "あ"
       encoded = str.encode(Encoding::UTF_8, undef: :replace)
       encoded.should_not equal(str)
-      encoded.should eql(str)
+      encoded.should == str
     end
   end
 
@@ -105,7 +105,7 @@
       str = "あ"
       encoded = str.encode("utf-8", "utf-8", invalid: :replace)
       encoded.should_not equal(str)
-      encoded.should eql(str)
+      encoded.should == str
     end
 
     it "returns a copy in the destination encoding when both encodings are the same" do
@@ -114,7 +114,7 @@
       encoded = str.encode("utf-8", "utf-8", invalid: :replace)
 
       encoded.should_not equal(str)
-      encoded.should eql(str.force_encoding("utf-8"))
+      encoded.should == str.force_encoding("utf-8")
       encoded.encoding.should == Encoding::UTF_8
     end
   end