1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/core/symbol/upcase_spec.rb b/spec/ruby/core/symbol/upcase_spec.rb
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+++ b/spec/ruby/core/symbol/upcase_spec.rb
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+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+
+describe "Symbol#upcase" do
+  it "returns a Symbol" do
+    :glark.upcase.should.instance_of?(Symbol)
+  end
+
+  it "converts lowercase ASCII characters to their uppercase equivalents" do
+    :lOwEr.upcase.should == :LOWER
+  end
+
+  it "capitalizes all Unicode characters" do
+    "äöü".to_sym.upcase.should == :"ÄÖÜ"
+    "aou".to_sym.upcase.should == :"AOU"
+  end
+
+  it "leaves non-alphabetic ASCII characters as they were" do
+    "Glark?!?".to_sym.upcase.should == :"GLARK?!?"
+  end
+end