1 files changed, 4 insertions, 4 deletions
diff --git a/spec/ruby/core/string/unpack/x_spec.rb b/spec/ruby/core/string/unpack/x_spec.rb
index 5e248de77e..fb2e79fc1f 100644
--- a/spec/ruby/core/string/unpack/x_spec.rb
+++ b/spec/ruby/core/string/unpack/x_spec.rb
@@ -1,4 +1,4 @@
-# -*- encoding: binary -*-
+# encoding: binary
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'
@@ -24,11 +24,11 @@ describe "String#unpack with format 'X'" do
   end
 
   it "raises an ArgumentError when passed the '*' modifier if the remaining bytes exceed the bytes from the index to the start of the String" do
-    -> { "abcd".unpack("CX*C") }.should raise_error(ArgumentError)
+    -> { "abcd".unpack("CX*C") }.should.raise(ArgumentError)
   end
 
   it "raises an ArgumentError if the count exceeds the bytes from current index to the start of the String" do
-    -> { "\x01\x02\x03\x04".unpack("C3X4C") }.should raise_error(ArgumentError)
+    -> { "\x01\x02\x03\x04".unpack("C3X4C") }.should.raise(ArgumentError)
   end
 end
 
@@ -57,6 +57,6 @@ describe "String#unpack with format 'x'" do
   end
 
   it "raises an ArgumentError if the count exceeds the size of the String" do
-    -> { "\x01\x02\x03\x04".unpack("C2x3C") }.should raise_error(ArgumentError)
+    -> { "\x01\x02\x03\x04".unpack("C2x3C") }.should.raise(ArgumentError)
   end
 end