1 files changed, 10 insertions, 17 deletions
diff --git a/spec/ruby/library/stringio/shared/write.rb b/spec/ruby/library/stringio/shared/write.rb
index b91e6ecec1..b6bffe7f12 100644
--- a/spec/ruby/library/stringio/shared/write.rb
+++ b/spec/ruby/library/stringio/shared/write.rb
@@ -1,6 +1,6 @@
 describe :stringio_write, shared: true do
   before :each do
-    @io = StringIO.new('12345')
+    @io = StringIO.new(+'12345')
   end
 
   it "tries to convert the passed Object to a String using #to_s" do
@@ -13,7 +13,7 @@ end
 
 describe :stringio_write_string, shared: true do
   before :each do
-    @io = StringIO.new('12345')
+    @io = StringIO.new(+'12345')
   end
 
   # TODO: RDoc says that #write appends at the current position.
@@ -42,7 +42,7 @@ describe :stringio_write_string, shared: true do
 
   it "updates self's position" do
     @io.send(@method, 'test')
-    @io.pos.should eql(4)
+    @io.pos.should.eql?(4)
   end
 
   it "handles concurrent writes correctly" do
@@ -60,13 +60,6 @@ describe :stringio_write_string, shared: true do
     @io.string.size.should == n.times.map(&:to_s).join.size
   end
 
-  ruby_version_is ""..."3.0" do
-    it "does not taint self when the passed argument is tainted" do
-      @io.send(@method, "test".taint)
-      @io.tainted?.should be_false
-    end
-  end
-
   it "handles writing non-ASCII UTF-8 after seek" do
     @io.binmode
     @io << "\x80"
@@ -101,7 +94,7 @@ describe :stringio_write_string, shared: true do
   end
 
   it "does not transcode the given string when the external encoding is set and the string encoding is BINARY" do
-    str = "été".b
+    str = "été_".b
     io = StringIO.new.set_encoding(Encoding::UTF_16BE)
     io.external_encoding.should == Encoding::UTF_16BE
 
@@ -113,18 +106,18 @@ end
 
 describe :stringio_write_not_writable, shared: true do
   it "raises an IOError" do
-    io = StringIO.new("test", "r")
-    -> { io.send(@method, "test") }.should raise_error(IOError)
+    io = StringIO.new(+"test", "r")
+    -> { io.send(@method, "test") }.should.raise(IOError)
 
-    io = StringIO.new("test")
+    io = StringIO.new(+"test")
     io.close_write
-    -> { io.send(@method, "test") }.should raise_error(IOError)
+    -> { io.send(@method, "test") }.should.raise(IOError)
   end
 end
 
 describe :stringio_write_append, shared: true do
   before :each do
-    @io = StringIO.new("example", "a")
+    @io = StringIO.new(+"example", "a")
   end
 
   it "appends the passed argument to the end of self" do
@@ -137,6 +130,6 @@ describe :stringio_write_append, shared: true do
 
   it "correctly updates self's position" do
     @io.send(@method, ", testing")
-    @io.pos.should eql(16)
+    @io.pos.should.eql?(16)
   end
 end