eregon	2017-10-28 19:32:45 +0900 (Sat, 28 Oct 2017)

  New Revision: 60505

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=60505

  Log:
    Add specs for [Feature #13983] Rational and Complex should be frozen

  Modified files:
    trunk/spec/ruby/core/kernel/freeze_spec.rb
    trunk/spec/ruby/core/kernel/frozen_spec.rb
    trunk/spec/ruby/core/kernel/shared/dup_clone.rb
Index: spec/ruby/core/kernel/shared/dup_clone.rb
===================================================================
--- spec/ruby/core/kernel/shared/dup_clone.rb	(revision 60504)
+++ spec/ruby/core/kernel/shared/dup_clone.rb	(revision 60505)
@@ -122,4 +122,28 @@ describe :kernel_dup_clone, shared: true https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/kernel/shared/dup_clone.rb#L122
       :my_symbol.send(@method).should == :my_symbol
     end
   end
+
+  ruby_version_is ''...'2.5' do
+    it "raises a TypeError for Complex" do
+      c = Complex(1.3, 3.1)
+      lambda { c.send(@method) }.should raise_error(TypeError)
+    end
+
+    it "raises a TypeError for Rational" do
+      r = Rational(1, 3)
+      lambda { r.send(@method) }.should raise_error(TypeError)
+    end
+  end
+
+  ruby_version_is '2.5' do
+    it "returns self for Complex" do
+      c = Complex(1.3, 3.1)
+      c.send(@method).should equal c
+    end
+
+    it "returns self for Rational" do
+      r = Rational(1, 3)
+      r.send(@method).should equal r
+    end
+  end
 end
Index: spec/ruby/core/kernel/frozen_spec.rb
===================================================================
--- spec/ruby/core/kernel/frozen_spec.rb	(revision 60504)
+++ spec/ruby/core/kernel/frozen_spec.rb	(revision 60505)
@@ -49,4 +49,30 @@ describe "Kernel#frozen?" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/kernel/frozen_spec.rb#L49
       @symbol.frozen?.should be_true
     end
   end
+
+  ruby_version_is "2.5" do
+    describe "on a Complex" do
+      it "returns true" do
+        c = Complex(1.3, 3.1)
+        c.frozen?.should be_true
+      end
+
+      it "literal returns true" do
+        c = eval "1.3i"
+        c.frozen?.should be_true
+      end
+    end
+
+    describe "on a Rational" do
+      it "returns true" do
+        r = Rational(1, 3)
+        r.frozen?.should be_true
+      end
+
+      it "literal returns true" do
+        r = eval "1/3r"
+        r.frozen?.should be_true
+      end
+    end
+  end
 end
Index: spec/ruby/core/kernel/freeze_spec.rb
===================================================================
--- spec/ruby/core/kernel/freeze_spec.rb	(revision 60504)
+++ spec/ruby/core/kernel/freeze_spec.rb	(revision 60505)
@@ -51,6 +51,24 @@ describe "Kernel#freeze" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/kernel/freeze_spec.rb#L51
     end
   end
 
+  ruby_version_is "2.5" do
+    describe "on a Complex" do
+      it "has no effect since it is already frozen" do
+        c = Complex(1.3, 3.1)
+        c.frozen?.should be_true
+        c.freeze
+      end
+    end
+
+    describe "on a Rational" do
+      it "has no effect since it is already frozen" do
+        r = Rational(1, 3)
+        r.frozen?.should be_true
+        r.freeze
+      end
+    end
+  end
+
   it "causes mutative calls to raise RuntimeError" do
     o = Class.new do
       def mutate; @foo = 1; end

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