Disable deprecation warning by the default [Feature #16345]

And `-w` option turns it on.

7 files changed, 48 insertions, 32 deletions

diff --git a/spec/ruby/core/data/constants_spec.rb b/spec/ruby/core/data/constants_spec.rb
index 0e47a82e26..18f6d4291c 100644
--- a/spec/ruby/core/data/constants_spec.rb
+++ b/spec/ruby/core/data/constants_spec.rb
@@ -1,13 +1,15 @@
 require_relative '../../spec_helper'
 
-describe "Data" do
-  it "is a subclass of Object" do
-    suppress_warning do
-      Data.superclass.should == Object
+ruby_version_is ""..."3.0" do
+  describe "Data" do
+    it "is a subclass of Object" do
+      suppress_warning do
+        Data.superclass.should == Object
+      end
     end
-  end
 
-  it "is deprecated" do
-    -> { Data }.should complain(/constant ::Data is deprecated/)
+    it "is deprecated" do
+      -> { Data }.should complain(/constant ::Data is deprecated/)
+    end
   end
 end
diff --git a/spec/ruby/core/env/index_spec.rb b/spec/ruby/core/env/index_spec.rb
index 43875f5a50..a0c90f8eb2 100644
--- a/spec/ruby/core/env/index_spec.rb
+++ b/spec/ruby/core/env/index_spec.rb
@@ -1,12 +1,14 @@
 require_relative '../../spec_helper'
 require_relative 'shared/key'
 
-describe "ENV.index" do
-  it_behaves_like :env_key, :index
+ruby_version_is ""..."3.0" do
+  describe "ENV.index" do
+    it_behaves_like :env_key, :index
 
-  it "warns about deprecation" do
-    -> do
-      ENV.index("foo")
-    end.should complain(/warning: ENV.index is deprecated; use ENV.key/)
+    it "warns about deprecation" do
+      -> do
+        ENV.index("foo")
+      end.should complain(/warning: ENV.index is deprecated; use ENV.key/)
+    end
   end
 end
diff --git a/spec/ruby/core/integer/constants_spec.rb b/spec/ruby/core/integer/constants_spec.rb
index 3b8b01e330..35601f82b9 100644
--- a/spec/ruby/core/integer/constants_spec.rb
+++ b/spec/ruby/core/integer/constants_spec.rb
@@ -1,25 +1,27 @@
 require_relative '../../spec_helper'
 
-describe "Fixnum" do
-  it "is unified into Integer" do
-    suppress_warning do
-      Fixnum.should equal(Integer)
+ruby_version_is ""..."3.0" do
+  describe "Fixnum" do
+    it "is unified into Integer" do
+      suppress_warning do
+        Fixnum.should equal(Integer)
+      end
     end
-  end
 
-  it "is deprecated" do
-    -> { Fixnum }.should complain(/constant ::Fixnum is deprecated/)
+    it "is deprecated" do
+      -> { Fixnum }.should complain(/constant ::Fixnum is deprecated/)
+    end
   end
-end
 
-describe "Bignum" do
-  it "is unified into Integer" do
-    suppress_warning do
-      Bignum.should equal(Integer)
+  describe "Bignum" do
+    it "is unified into Integer" do
+      suppress_warning do
+        Bignum.should equal(Integer)
+      end
     end
-  end
 
-  it "is deprecated" do
-    -> { Bignum }.should complain(/constant ::Bignum is deprecated/)
+    it "is deprecated" do
+      -> { Bignum }.should complain(/constant ::Bignum is deprecated/)
+    end
   end
 end
diff --git a/spec/ruby/core/kernel/match_spec.rb b/spec/ruby/core/kernel/match_spec.rb
index 6dc1eb7de8..e8ef320d6f 100644
--- a/spec/ruby/core/kernel/match_spec.rb
+++ b/spec/ruby/core/kernel/match_spec.rb
@@ -14,7 +14,7 @@ describe "Kernel#=~" do
     end
   end
 
-  ruby_version_is "2.6" do
+  ruby_version_is "2.6"..."3.0" do
     it "is deprecated" do
       -> do
         Object.new =~ /regexp/
diff --git a/spec/ruby/core/module/deprecate_constant_spec.rb b/spec/ruby/core/module/deprecate_constant_spec.rb
index 7bcced981b..6a8086bc8f 100644
--- a/spec/ruby/core/module/deprecate_constant_spec.rb
+++ b/spec/ruby/core/module/deprecate_constant_spec.rb
@@ -10,6 +10,16 @@ describe "Module#deprecate_constant" do
     @module.private_constant :PRIVATE
     @module.deprecate_constant :PRIVATE
     @pattern = /deprecated/
+    if Warning.respond_to?(:[])
+      @deprecated = Warning[:deprecated]
+      Warning[:deprecated] = true
+    end
+  end
+
+  after :each do
+    if Warning.respond_to?(:[])
+      Warning[:deprecated] = @deprecated
+    end
   end
 
   describe "when accessing the deprecated module" do
diff --git a/spec/ruby/language/predefined_spec.rb b/spec/ruby/language/predefined_spec.rb
index 5ce4e77906..cb0462731b 100644
--- a/spec/ruby/language/predefined_spec.rb
+++ b/spec/ruby/language/predefined_spec.rb
@@ -654,7 +654,7 @@ describe "Predefined global $," do
     -> { $, = Object.new }.should raise_error(TypeError)
   end
 
-  ruby_version_is "2.7" do
+  ruby_version_is "2.7"..."3.0" do
     it "warns if assigned non-nil" do
       -> { $, = "_" }.should complain(/warning: `\$,' is deprecated/)
     end
@@ -693,7 +693,7 @@ describe "Predefined global $;" do
     $; = nil
   end
 
-  ruby_version_is "2.7" do
+  ruby_version_is "2.7"..."3.0" do
     it "warns if assigned non-nil" do
       -> { $; = "_" }.should complain(/warning: `\$;' is deprecated/)
     end
diff --git a/spec/ruby/library/net/http/HTTPServerException_spec.rb b/spec/ruby/library/net/http/HTTPServerException_spec.rb
index 87841ab499..6800c625f7 100644
--- a/spec/ruby/library/net/http/HTTPServerException_spec.rb
+++ b/spec/ruby/library/net/http/HTTPServerException_spec.rb
@@ -13,7 +13,7 @@ ruby_version_is ""..."2.6" do
   end
 end
 
-ruby_version_is "2.6" do
+ruby_version_is "2.6"..."3.0" do
   describe "Net::HTTPServerException" do
     it "is a subclass of Net::ProtoServerError and is warned as deprecated" do
       -> { Net::HTTPServerException.should < Net::ProtoServerError }.should complain(/warning: constant Net::HTTPServerException is deprecated/)