Move dartdoc tests into dartdoc.

pkg/dartdoc/test/markdown_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Unit tests for markdown.
 #library('markdown_tests');
 
-// TODO(rnystrom): Move this test into pkg/dartdoc/test.
-#import('../../pkg/dartdoc/lib/markdown.dart');
+// TODO(rnystrom): Use "package:" URL (#4968).
+#import('../lib/markdown.dart');
 
 // TODO(rnystrom): Better path to unittest.
-#import('../../pkg/unittest/unittest.dart');
-#import('test_utils.dart');
+#import('../../unittest/unittest.dart');
 
 /// Most of these tests are based on observing how showdown behaves:
 /// http://softwaremaniacs.org/playground/showdown-highlight/
 void main() {
   group('Paragraphs', () {
     validate('consecutive lines form a single paragraph', '''
         This is the first line.
         This is the second line.
         ''', '''
         <p>This is the first line.
@@ skipping 713 matching lines @@
         <p>links <a href="http://foo.com">are</a> awesome</p>
         ''');
     validate('can style link contents', '''
         links [*are*](http://foo.com) awesome
         ''', '''
         <p>links <a href="http://foo.com"><em>are</em></a> awesome</p>
         ''');
   });
 }
 
+/**
+ * Removes eight spaces of leading indentation from a multiline string.
+ *
+ * Note that this is very sensitive to how the literals are styled. They should
+ * be:
+ *     '''
+ *     Text starts on own line. Lines up with subsequent lines.
+ *     Lines are indented exactly 8 characters from the left margin.'''
+ *
+ * This does nothing if text is only a single line.
+ */
+// TODO(nweiz): Make this auto-detect the indentation level from the first
+// non-whitespace line.
+String cleanUpLiteral(String text) {
+  var lines = text.split('\n');
+  if (lines.length <= 1) return text;
+
+  for (var j = 0; j < lines.length; j++) {
+    if (lines[j].length > 8) {
+      lines[j] = lines[j].substring(8, lines[j].length);
+    } else {
+      lines[j] = '';
+    }
+  }
+
+  return Strings.join(lines, '\n');
+}
+
 validate(String description, String markdown, String html) {
   test(description, () {
     markdown = cleanUpLiteral(markdown);
     html = cleanUpLiteral(html);
 
     var result = markdownToHtml(markdown);
     var passed = compareOutput(html, result);
 
     if (!passed) {
       // Remove trailing newline.
@@ skipping 32 matching lines @@
 
     // If one string runs out of non-ignored strings, the other must too.
     if (i == a.length) return j == b.length;
     if (j == b.length) return i == a.length;
 
     if (a[i] != b[j]) return false;
     i++;
     j++;
   }
 }