tests: Add TestTWRenderer.test_render_def_link.

* tests/data/renderer-def-links-w.md: New file.
* tests/data/renderer-def-links.md: New file.
* tests/test_md_tw.py (test_render_def_link): New test method.

3 files changed, 73 insertions, 0 deletions

diff --git a/tests/data/renderer-def-links-w.md b/tests/data/renderer-def-links-w.md
new file mode 100644
index 0000000..c09e417
--- /dev/null
+++ b/tests/data/renderer-def-links-w.md
@@ -0,0 +1,34 @@
+This is [an example](http://example.com/ "Title") inline link.
+
+[This link](http://example.net/) has no title attribute.
+
+See my [About](/about/) page for details.
+
+This is [Bob][bob]'s web space.
+
+This is [Alice][alice]'s web space.
+
+[bob]: http://bob.name/ "Bob's home"
+[alice]: <http://alice.name/> "Alice's home"
+
+Some foo[bar].
+
+[bar]: http://bar.beer/  "Foo Bar Beer"
+
+Visit [GNU.org][].
+
+[GNU.org]: http://gnu.org
+
+John Gruber gets 10 times more traffic from [Google][1] than from
+[Yahoo][2] or [MSN][3].
+
+  [1]: http://google.com/        "Google"
+  [2]: http://search.yahoo.com/  "Yahoo Search"
+  [3]: http://search.msn.com/    "MSN Search"
+
+John Gruber gets 10 times more traffic from [Google][] than from
+[Yahoo][] or [MSN][].
+
+  [google]: http://google.com/        "Google"
+  [yahoo]:  http://search.yahoo.com/  "Yahoo Search"
+  [msn]:    http://search.msn.com/    "MSN Search"
diff --git a/tests/data/renderer-def-links.md b/tests/data/renderer-def-links.md
new file mode 100644
index 0000000..c09e417
--- /dev/null
+++ b/tests/data/renderer-def-links.md
@@ -0,0 +1,34 @@
+This is [an example](http://example.com/ "Title") inline link.
+
+[This link](http://example.net/) has no title attribute.
+
+See my [About](/about/) page for details.
+
+This is [Bob][bob]'s web space.
+
+This is [Alice][alice]'s web space.
+
+[bob]: http://bob.name/ "Bob's home"
+[alice]: <http://alice.name/> "Alice's home"
+
+Some foo[bar].
+
+[bar]: http://bar.beer/  "Foo Bar Beer"
+
+Visit [GNU.org][].
+
+[GNU.org]: http://gnu.org
+
+John Gruber gets 10 times more traffic from [Google][1] than from
+[Yahoo][2] or [MSN][3].
+
+  [1]: http://google.com/        "Google"
+  [2]: http://search.yahoo.com/  "Yahoo Search"
+  [3]: http://search.msn.com/    "MSN Search"
+
+John Gruber gets 10 times more traffic from [Google][] than from
+[Yahoo][] or [MSN][].
+
+  [google]: http://google.com/        "Google"
+  [yahoo]:  http://search.yahoo.com/  "Yahoo Search"
+  [msn]:    http://search.msn.com/    "MSN Search"
diff --git a/tests/test_md_tw.py b/tests/test_md_tw.py
index 620605c..f2f5fd2 100644
--- a/tests/test_md_tw.py
+++ b/tests/test_md_tw.py
@@ -824,6 +824,11 @@ class TestTWRenderer(object):
         expected_txt = self._get('renderer-hrules-w.md')
         self._validate(txt, expected_txt)
 
+    def test_render_def_link(self):
+        txt = self._md('renderer-def-links.md')
+        expected_txt = self._get('renderer-def-links-w.md')
+        self._validate(txt, expected_txt)
+
     def teardown(self):
         pass