Warn non-nil `$/` [Feature #14240]

4 files changed, 10 insertions, 10 deletions

diff --git a/spec/ruby/core/io/puts_spec.rb b/spec/ruby/core/io/puts_spec.rb
index 3e4b877b7f..be220c4035 100644
--- a/spec/ruby/core/io/puts_spec.rb
+++ b/spec/ruby/core/io/puts_spec.rb
@@ -16,7 +16,7 @@ describe "IO#puts" do
     ScratchPad.clear
     @io.close if @io
     rm_r @name
-    $/ = @before_separator
+    suppress_warning {$/ = @before_separator}
   end
 
   it "writes just a newline when given no args" do
@@ -105,7 +105,7 @@ describe "IO#puts" do
   end
 
   it "ignores the $/ separator global" do
-    $/ = ":"
+    suppress_warning {$/ = ":"}
     @io.puts(5).should == nil
     ScratchPad.recorded.should == "5\n"
   end
diff --git a/spec/ruby/core/io/readlines_spec.rb b/spec/ruby/core/io/readlines_spec.rb
index 0d4f002972..eb99eb8d3a 100644
--- a/spec/ruby/core/io/readlines_spec.rb
+++ b/spec/ruby/core/io/readlines_spec.rb
@@ -22,11 +22,11 @@ describe "IO#readlines" do
 
   describe "when passed no arguments" do
     before :each do
-      @sep, $/ = $/, " "
+      suppress_warning {@sep, $/ = $/, " "}
     end
 
     after :each do
-      $/ = @sep
+      suppress_warning {$/ = @sep}
     end
 
     it "returns an Array containing lines based on $/" do
@@ -184,7 +184,7 @@ describe "IO.readlines" do
   after :each do
     Encoding.default_external = @external
     Encoding.default_internal = @internal
-    $/ = @dollar_slash
+    suppress_warning {$/ = @dollar_slash}
   end
 
   it "encodes lines using the default external encoding" do
@@ -196,7 +196,7 @@ describe "IO.readlines" do
   it "encodes lines using the default internal encoding, when set" do
     Encoding.default_external = Encoding::UTF_8
     Encoding.default_internal = Encoding::UTF_16
-    $/ = $/.encode Encoding::UTF_16
+    suppress_warning {$/ = $/.encode Encoding::UTF_16}
     lines = IO.readlines(@name)
     lines.all? { |s| s.encoding == Encoding::UTF_16 }.should be_true
   end
diff --git a/spec/ruby/core/io/shared/each.rb b/spec/ruby/core/io/shared/each.rb
index 0b2dfa3548..91766fbe03 100644
--- a/spec/ruby/core/io/shared/each.rb
+++ b/spec/ruby/core/io/shared/each.rb
@@ -168,12 +168,12 @@ describe :io_each_default_separator, shared: true do
   before :each do
     @io = IOSpecs.io_fixture "lines.txt"
     ScratchPad.record []
-    @sep, $/ = $/, " "
+    suppress_warning {@sep, $/ = $/, " "}
   end
 
   after :each do
     @io.close if @io
-    $/ = @sep
+    suppress_warning {$/ = @sep}
   end
 
   it "uses $/ as the default line separator" do
diff --git a/spec/ruby/core/io/shared/readlines.rb b/spec/ruby/core/io/shared/readlines.rb
index de803f42e5..339684a5d4 100644
--- a/spec/ruby/core/io/shared/readlines.rb
+++ b/spec/ruby/core/io/shared/readlines.rb
@@ -60,11 +60,11 @@ describe :io_readlines_options_19, shared: true do
       end
 
       after :each do
-        $/ = @sep
+        suppress_warning {$/ = @sep}
       end
 
       it "defaults to $/ as the separator" do
-        $/ = " "
+        suppress_warning {$/ = " "}
         result = IO.send(@method, @name, 10, &@object)
         (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
       end