[flutter_markdown] fix for latest pkg:markdown part 2

Author: chenzhiguang

packages/flutter_markdown/pubspec.yaml

@@ -7,8 +7,8 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 0.6.13
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
-  flutter: ">=3.0.0"
+  sdk: '>=2.12.0 <3.0.0'
+  flutter: '>=3.0.0'
 
 dependencies:
   flutter:

packages/flutter_markdown/test/link_test.dart

@@ -6,8 +6,12 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:markdown/markdown.dart' as md show version;
 import 'utils.dart';
 
+// TODO(Zhiguang): delete this once the min version of pkg:markdown is updated
+final bool _newMarkdown = md.version.compareTo('6.0.1') > 0;
+
 void main() => defineTests();
 
 void defineTests() {
@@ -628,7 +632,13 @@ void defineTests() {
         );
 
         expectValidLink('link');
-        expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo\bar'));
+        if (!_newMarkdown) {
+          // For pkg:markdown <= v6.0.1
+          expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo\bar'));
+        } else {
+          // For pkg:markdown > v6.0.1
+          expectLinkTap(linkTapResults, const MarkdownLink('link', 'foo%08ar'));
+        }
       },
     );
 
@@ -649,8 +659,15 @@ void defineTests() {
         );
 
         expectValidLink('link');
-        expectLinkTap(
-            linkTapResults, const MarkdownLink('link', 'foo%20b&auml;'));
+        if (!_newMarkdown) {
+          // For pkg:markdown <= v6.0.1
+          expectLinkTap(
+              linkTapResults, const MarkdownLink('link', 'foo%20b&auml;'));
+        } else {
+          // For pkg:markdown > v6.0.1
+          expectLinkTap(
+              linkTapResults, const MarkdownLink('link', 'foo%20b%C3%A4'));
+        }
       },
     );
 
@@ -759,8 +776,15 @@ void defineTests() {
         );
 
         expectValidLink('link');
-        expectLinkTap(linkTapResults,
-            const MarkdownLink('link', '/url', 'title %22&quot;'));
+        if (!_newMarkdown) {
+          // For pkg:markdown <= v6.0.1
+          expectLinkTap(linkTapResults,
+              const MarkdownLink('link', '/url', 'title %22&quot;'));
+        } else {
+          // For pkg:markdown > v6.0.1
+          expectLinkTap(linkTapResults,
+              const MarkdownLink('link', '/url', 'title &quot;&quot;'));
+        }
       },
     );
 
@@ -781,8 +805,15 @@ void defineTests() {
         );
 
         expectValidLink('link');
-        expectLinkTap(linkTapResults,
-            const MarkdownLink('link', '/url\u{C2A0}%22title%22'));
+        if (!_newMarkdown) {
+          // For pkg:markdown <= v6.0.1
+          expectLinkTap(linkTapResults,
+              const MarkdownLink('link', '/url\u{C2A0}%22title%22'));
+        } else {
+          // For pkg:markdown > v6.0.1
+          expectLinkTap(linkTapResults,
+              const MarkdownLink('link', '/url%EC%8A%A0%22title%22'));
+        }
       },
     );
 
@@ -825,8 +856,17 @@ void defineTests() {
         );
 
         expectValidLink('link');
-        expectLinkTap(linkTapResults,
-            const MarkdownLink('link', '/url', 'title %22and%22 title'));
+        if (!_newMarkdown) {
+          // For pkg:markdown <= v6.0.1
+          expectLinkTap(linkTapResults,
+              const MarkdownLink('link', '/url', 'title %22and%22 title'));
+        } else {
+          // For pkg:markdown > v6.0.1
+          expectLinkTap(
+            linkTapResults,
+            const MarkdownLink('link', '/url', 'title &quot;and&quot; title'),
+          );
+        }
       },
     );