Add failing test cases for #34

testcases.docopt

@@ -2774,3 +2774,40 @@ $ prog --foo
 $ prog --foo=abc
 {"--foo": "abc"}
 
+# Fix issue #34
+# Option parser trips up if `--` is preseent in description RHS
+
+r"""
+usage: foo [options]
+options:
+    --foo This is foo. Not applicable if --qux is given.
+    --bar This is bar.
+"""
+
+$ prog --bar
+{"--bar": true}
+
+r"""
+usage: foo [options] <command>
+options:
+    <command> this is command.
+    --foo     This is foo. Not applicable if --qux is given.
+    --bar     This is bar.
+"""
+
+$ prog --bar run
+{"--bar": true, "<command>": "run", "COMMAND": "run"}
+
+$ prog --bar
+{"--bar": true}
+
+r"""
+usage: foo [options] <command>
+options:
+    --foo     This is foo. Not applicable if --qux is given.
+    <command> this is command.
+    --bar     This is bar.
+"""
+
+$ prog --bar run
+{"--bar": true, "<command>": "run", "COMMAND": "run"}