1 files changed, 6 insertions, 6 deletions
diff --git a/spec/ruby/core/string/encoding_spec.rb b/spec/ruby/core/string/encoding_spec.rb
index f6e8fd3470..aa0e4765ed 100644
--- a/spec/ruby/core/string/encoding_spec.rb
+++ b/spec/ruby/core/string/encoding_spec.rb
@@ -4,7 +4,7 @@ require_relative 'fixtures/iso-8859-9-encoding'
 
 describe "String#encoding" do
   it "returns an Encoding object" do
-    String.new.encoding.should be_an_instance_of(Encoding)
+    String.new.encoding.should.instance_of?(Encoding)
   end
 
   it "is equal to the source encoding by default" do
@@ -70,13 +70,13 @@ describe "String#encoding for Strings with \\u escapes" do
 
   it "returns US-ASCII if self is US-ASCII only" do
     s = "\u{40}"
-    s.ascii_only?.should be_true
+    s.ascii_only?.should == true
     s.encoding.should == Encoding::US_ASCII
   end
 
   it "returns UTF-8 if self isn't US-ASCII only" do
     s = "\u{4076}\u{619}"
-    s.ascii_only?.should be_false
+    s.ascii_only?.should == false
     s.encoding.should == Encoding::UTF_8
   end
 
@@ -122,7 +122,7 @@ describe "String#encoding for Strings with \\x escapes" do
 
   it "returns US-ASCII if self is US-ASCII only" do
     s = "\x61"
-    s.ascii_only?.should be_true
+    s.ascii_only?.should == true
     s.encoding.should == Encoding::US_ASCII
   end
 
@@ -131,7 +131,7 @@ describe "String#encoding for Strings with \\x escapes" do
     str = " "
     str.encoding.should == Encoding::US_ASCII
     str += [0xDF].pack('C')
-    str.ascii_only?.should be_false
+    str.ascii_only?.should == false
     str.encoding.should == Encoding::BINARY
   end
 
@@ -140,7 +140,7 @@ describe "String#encoding for Strings with \\x escapes" do
   it "returns the source encoding when an escape creates a byte with the 8th bit set if the source encoding isn't US-ASCII" do
     fixture  = StringSpecs::ISO88599Encoding.new
     fixture.source_encoding.should == Encoding::ISO8859_9
-    fixture.x_escape.ascii_only?.should be_false
+    fixture.x_escape.ascii_only?.should == false
     fixture.x_escape.encoding.should == Encoding::ISO8859_9
   end