Update to ruby/spec@89175b2

3 files changed, 3 insertions, 3 deletions

diff --git a/spec/ruby/library/stringscanner/getch_spec.rb b/spec/ruby/library/stringscanner/getch_spec.rb
index a6be0d4221..449c20ad3b 100644
--- a/spec/ruby/library/stringscanner/getch_spec.rb
+++ b/spec/ruby/library/stringscanner/getch_spec.rb
@@ -13,7 +13,7 @@ describe "StringScanner#getch" do
 
   it "is multi-byte character sensitive" do
     # Japanese hiragana "A" in EUC-JP
-    src = "\244\242".force_encoding("euc-jp")
+    src = "\244\242".dup.force_encoding("euc-jp")
 
     s = StringScanner.new(src)
     s.getch.should == src
diff --git a/spec/ruby/library/stringscanner/shared/concat.rb b/spec/ruby/library/stringscanner/shared/concat.rb
index cb884a5c01..1dbae11f7c 100644
--- a/spec/ruby/library/stringscanner/shared/concat.rb
+++ b/spec/ruby/library/stringscanner/shared/concat.rb
@@ -1,6 +1,6 @@
 describe :strscan_concat, shared: true do
   it "concatenates the given argument to self and returns self" do
-    s = StringScanner.new("hello ")
+    s = StringScanner.new(+"hello ")
     s.send(@method, 'world').should == s
     s.string.should == "hello world"
     s.eos?.should be_false
diff --git a/spec/ruby/library/stringscanner/string_spec.rb b/spec/ruby/library/stringscanner/string_spec.rb
index 28e2f0ed37..cba6bd51dd 100644
--- a/spec/ruby/library/stringscanner/string_spec.rb
+++ b/spec/ruby/library/stringscanner/string_spec.rb
@@ -3,7 +3,7 @@ require 'strscan'
 
 describe "StringScanner#string" do
   before :each do
-    @string = "This is a test"
+    @string = +"This is a test"
     @s = StringScanner.new(@string)
   end