1 files changed, 48 insertions, 0 deletions
diff --git a/spec/rubyspec/core/encoding/replicate_spec.rb b/spec/rubyspec/core/encoding/replicate_spec.rb
new file mode 100644
index 0000000000..5d007dd827
--- /dev/null
+++ b/spec/rubyspec/core/encoding/replicate_spec.rb
@@ -0,0 +1,48 @@
+# -*- encoding: binary -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+
+with_feature :encoding do
+  describe "Encoding#replicate" do
+    before :all do
+      @i = 0
+    end
+
+    before :each do
+      @i += 1
+      @prefix = "RS#{@i}"
+    end
+
+    it "returns a replica of ASCII" do
+      name = @prefix + '-ASCII'
+      e = Encoding::ASCII.replicate(name)
+      e.name.should == name
+      "a".force_encoding(e).valid_encoding?.should be_true
+      "\x80".force_encoding(e).valid_encoding?.should be_false
+    end
+
+    it "returns a replica of UTF-8" do
+      name = @prefix + 'UTF-8'
+      e = Encoding::UTF_8.replicate(name)
+      e.name.should == name
+      "a".force_encoding(e).valid_encoding?.should be_true
+      "\u3042".force_encoding(e).valid_encoding?.should be_true
+      "\x80".force_encoding(e).valid_encoding?.should be_false
+    end
+
+    it "returns a replica of UTF-16BE" do
+      name = @prefix + 'UTF-16-BE'
+      e = Encoding::UTF_16BE.replicate(name)
+      e.name.should == name
+      "a".force_encoding(e).valid_encoding?.should be_false
+      "\x30\x42".force_encoding(e).valid_encoding?.should be_true
+      "\x80".force_encoding(e).valid_encoding?.should be_false
+    end
+
+    it "returns a replica of ISO-2022-JP" do
+      name = @prefix + 'ISO-2022-JP'
+      e = Encoding::ISO_2022_JP.replicate(name)
+      e.name.should == name
+      e.dummy?.should be_true
+    end
+  end
+end