freeze all Range objects.v3_0_0_preview1

Matz want to try to freeze all Range objects.
[Feature #15504]

2 files changed, 8 insertions, 3 deletions

diff --git a/spec/ruby/core/marshal/dump_spec.rb b/spec/ruby/core/marshal/dump_spec.rb
index 4ffc586364..30f1b7513b 100644
--- a/spec/ruby/core/marshal/dump_spec.rb
+++ b/spec/ruby/core/marshal/dump_spec.rb
@@ -419,7 +419,7 @@ describe "Marshal.dump" do
       load.should == range
       load.instance_variable_get(:@foo).should == 42
     end
-  end
+  end unless (1...3).frozen? # Ruby 3.0 -
 
   describe "with a Time" do
     before :each do
diff --git a/spec/ruby/core/range/initialize_spec.rb b/spec/ruby/core/range/initialize_spec.rb
index 8caf12baa2..d2826a5ba5 100644
--- a/spec/ruby/core/range/initialize_spec.rb
+++ b/spec/ruby/core/range/initialize_spec.rb
@@ -28,8 +28,13 @@ describe "Range#initialize" do
   end
 
   it "raises a NameError if called on an already initialized Range" do
-    -> { (0..1).send(:initialize, 1, 3) }.should raise_error(NameError)
-    -> { (0..1).send(:initialize, 1, 3, true) }.should raise_error(NameError)
+    if (0..1).frozen? # Ruby 3.0-
+      -> { (0..1).send(:initialize, 1, 3) }.should raise_error(FrozenError)
+      -> { (0..1).send(:initialize, 1, 3, true) }.should raise_error(FrozenError)
+    else
+      -> { (0..1).send(:initialize, 1, 3) }.should raise_error(NameError)
+      -> { (0..1).send(:initialize, 1, 3, true) }.should raise_error(NameError)
+    end
   end
 
   it "raises an ArgumentError if arguments don't respond to <=>" do