1 files changed, 5 insertions, 5 deletions
diff --git a/spec/ruby/core/io/readchar_spec.rb b/spec/ruby/core/io/readchar_spec.rb
index a66773851a..29d14880ff 100644
--- a/spec/ruby/core/io/readchar_spec.rb
+++ b/spec/ruby/core/io/readchar_spec.rb
@@ -7,7 +7,7 @@ describe :io_readchar_internal_encoding, shared: true do
   end
 
   it "sets the String encoding to the internal encoding" do
-    @io.readchar.encoding.should equal(Encoding::UTF_8)
+    @io.readchar.encoding.should.equal?(Encoding::UTF_8)
   end
 end
 
@@ -31,11 +31,11 @@ describe "IO#readchar" do
 
   it "raises an EOFError when invoked at the end of the stream" do
     @io.read
-    -> { @io.readchar }.should raise_error(EOFError)
+    -> { @io.readchar }.should.raise(EOFError)
   end
 
   it "raises IOError on closed stream" do
-    -> { IOSpecs.closed_io.readchar }.should raise_error(IOError)
+    -> { IOSpecs.closed_io.readchar }.should.raise(IOError)
   end
 end
 
@@ -54,7 +54,7 @@ describe "IO#readchar with internal encoding" do
     end
 
     it "sets the String encoding to the external encoding" do
-      @io.readchar.encoding.should equal(Encoding::EUC_JP)
+      @io.readchar.encoding.should.equal?(Encoding::EUC_JP)
     end
   end
 
@@ -105,6 +105,6 @@ describe "IO#readchar" do
   end
 
   it "raises EOFError on empty stream" do
-    -> { @io.readchar }.should raise_error(EOFError)
+    -> { @io.readchar }.should.raise(EOFError)
   end
 end