Revert "Attempt to re-commit Dartdoc exports."

sdk/lib/_internal/dartdoc/test/dartdoc_test.dart

 // Copyright (c) 2012, 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 doc.
 library dartdocTests;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:pathos/path.dart' as path;
 import 'package:unittest/unittest.dart';
 
 // TODO(rnystrom): Use "package:" URL (#4968).
 import '../lib/dartdoc.dart' as dd;
 import '../lib/markdown.dart';
 import 'markdown_test.dart';
 
 main() {
+  group('countOccurrences', () {
+    test('empty text returns 0', () {
+      expect(dd.countOccurrences('', 'needle'), equals(0));
+    });
+
+    test('one occurrence', () {
+      expect(dd.countOccurrences('bananarama', 'nara'), equals(1));
+    });
+
+    test('multiple occurrences', () {
+      expect(dd.countOccurrences('bananarama', 'a'), equals(5));
+    });
+
+    test('overlapping matches do not count', () {
+      expect(dd.countOccurrences('bananarama', 'ana'), equals(1));
+    });
+  });
+
+  group('repeat', () {
+    test('zero times returns an empty string', () {
+      expect(dd.repeat('ba', 0), isEmpty);
+    });
+
+    test('one time returns the string', () {
+      expect(dd.repeat('ba', 1), equals('ba'));
+    });
+
+    test('multiple times', () {
+      expect(dd.repeat('ba', 3), equals('bababa'));
+    });
+
+    test('multiple times with a separator', () {
+      expect(dd.repeat('ba', 3, separator: ' '), equals('ba ba ba'));
+    });
+  });
+
   group('isAbsolute', () {
     final doc = new dd.Dartdoc();
 
     test('returns false if there is no scheme', () {
       expect(doc.isAbsolute('index.html'), isFalse);
       expect(doc.isAbsolute('foo/index.html'), isFalse);
       expect(doc.isAbsolute('foo/bar/index.html'), isFalse);
     });
 
     test('returns true if there is a scheme', () {
@@ skipping 243 matching lines @@
   }
 }
 
 
 validateDartdocMarkdown(String description, String markdown,
     String html) {
   var dartdoc = new dd.Dartdoc();
   validate(description, markdown, html, linkResolver: dartdoc.dartdocResolver,
       inlineSyntaxes: dartdoc.dartdocSyntaxes);
 }