1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/core/symbol/swapcase_spec.rb b/spec/ruby/core/symbol/swapcase_spec.rb
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+++ b/spec/ruby/core/symbol/swapcase_spec.rb
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+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+
+describe "Symbol#swapcase" do
+  it "returns a Symbol" do
+    :glark.swapcase.should.instance_of?(Symbol)
+  end
+
+  it "converts lowercase ASCII characters to their uppercase equivalents" do
+    :lower.swapcase.should == :LOWER
+  end
+
+  it "converts uppercase ASCII characters to their lowercase equivalents" do
+    :UPPER.swapcase.should == :upper
+  end
+
+  it "works with both upper- and lowercase ASCII characters in the same Symbol" do
+    :mIxEd.swapcase.should == :MiXeD
+  end
+
+  it "swaps the case for Unicode characters" do
+    "äÖü".to_sym.swapcase.should == :"ÄöÜ"
+    "aOu".to_sym.swapcase.should == :"AoU"
+  end
+
+  it "leaves non-alphabetic ASCII characters as they were" do
+    "Glark?!?".to_sym.swapcase.should == :"gLARK?!?"
+  end
+end