1 files changed, 45 insertions, 0 deletions
diff --git a/test/test_shellwords.rb b/test/test_shellwords.rb
new file mode 100644
index 0000000000..1d914c5c0e
--- /dev/null
+++ b/test/test_shellwords.rb
@@ -0,0 +1,45 @@
+require 'test/unit'
+require 'shellwords'
+
+class TestShellwords < Test::Unit::TestCase
+
+  include Shellwords
+
+  def setup
+    @not_string = Class.new
+    @cmd = "ruby my_prog.rb | less"
+  end
+
+
+  def test_not_string  
+      assert_raises ArgumentError do 
+        shellwords(@not_string)
+    end
+  end
+  
+  def test_string
+    assert_instance_of(Array, shellwords(@cmd))
+    assert_equal(4, shellwords(@cmd).length)
+  end
+  
+  def test_unmatched_double_quote
+    bad_cmd = 'one two "three'
+    assert_raises ArgumentError do
+      shellwords(bad_cmd)
+    end
+  end
+  
+  def test_unmatched_single_quote
+    bad_cmd = "one two 'three"
+    assert_raises ArgumentError do
+      shellwords(bad_cmd)
+    end
+  end
+  
+  def test_unmatched_quotes
+    bad_cmd = "one '"'"''""'""
+    assert_raises ArgumentError do
+      shellwords(bad_cmd)
+    end
+  end
+end