1 files changed, 23 insertions, 0 deletions
diff --git a/spec/ruby/library/getoptlong/error_message_spec.rb b/spec/ruby/library/getoptlong/error_message_spec.rb
new file mode 100644
index 0000000000..3f44f538c6
--- /dev/null
+++ b/spec/ruby/library/getoptlong/error_message_spec.rb
@@ -0,0 +1,23 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'getoptlong'
+
+describe "GetoptLong#error_message" do
+  it "returns nil if no error occurred" do
+    opts = GetoptLong.new
+    opts.error_message.should == nil
+  end
+
+  it "returns the error message of the last error that occurred" do
+    argv [] do
+      opts = GetoptLong.new
+      opts.quiet = true
+      opts.get
+      -> {
+        opts.ordering = GetoptLong::PERMUTE
+      }.should raise_error(ArgumentError) { |e|
+        e.message.should == "argument error"
+        opts.error_message.should == "argument error"
+      }
+    end
+  end
+end