* lib/shellwords.rb: refactored. [ruby-core:06581]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9519 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

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