1 files changed, 17 insertions, 0 deletions
diff --git a/test/slop_test.rb b/test/slop_test.rb
new file mode 100644
index 0000000..f6fb408
--- /dev/null
+++ b/test/slop_test.rb
@@ -0,0 +1,17 @@
+require "test_helper"
+
+describe Slop do
+  describe ".option_defined?" do
+    it "handles bad constant names" do
+      assert_equal false, Slop.option_defined?("Foo?Bar")
+    end
+
+    it "returns false if the option is not defined" do
+      assert_equal false, Slop.option_defined?("Foo")
+    end
+
+    it "returns true if the option is defined" do
+      assert_equal true, Slop.option_defined?("String")
+    end
+  end
+end