Update to ruby/spec@902ab83

1 files changed, 27 insertions, 0 deletions

diff --git a/spec/ruby/core/range/frozen_spec.rb b/spec/ruby/core/range/frozen_spec.rb
new file mode 100644
index 0000000000..9a3e6eb373
--- /dev/null
+++ b/spec/ruby/core/range/frozen_spec.rb
@@ -0,0 +1,27 @@
+require_relative '../../spec_helper'
+
+# There is no Range#frozen? method but this feels like the best place for these specs
+describe "Range#frozen?" do
+  ruby_version_is "3.0" do
+    it "is true for literal ranges" do
+      (1..2).should.frozen?
+      (1..).should.frozen?
+      eval("(..1)").should.frozen?
+    end
+
+    it "is true for Range.new" do
+      Range.new(1, 2).should.frozen?
+      Range.new(1, nil).should.frozen?
+      Range.new(nil, 1).should.frozen?
+    end
+
+    it "is false for instances of a subclass of Range" do
+      sub_range = Class.new(Range).new(1, 2)
+      sub_range.should_not.frozen?
+    end
+
+    it "is false for Range.allocate" do
+      Range.allocate.should_not.frozen?
+    end
+  end
+end