diff --git a/test/fixtures/post_render.js b/test/fixtures/post_render.js
index c6f7f067a0..a03afe7f09 100644
--- a/test/fixtures/post_render.js
+++ b/test/fixtures/post_render.js
@@ -7,7 +7,7 @@ const code = [
   '  sleep()'
 ].join('\n');
 
-const content = [
+exports.content = [
   '# Title',
   '``` python',
   code,
@@ -24,8 +24,6 @@ const content = [
   '{% endquote %}'
 ].join('\n');
 
-exports.content = content;
-
 exports.expected = [
   '<h1 id="Title"><a href="#Title" class="headerlink" title="Title"></a>Title</h1>',
   highlight(code, {lang: 'python'}),
@@ -50,3 +48,27 @@ exports.expected_disable_nunjucks = [
   'quote content<br>',
   '{% endquote %}</p>'
 ].join('');
+
+exports.content_for_issue_3346 = [
+  '# Title',
+  '```',
+  '{% test1 %}',
+  '{{ test2 }}',
+  '```',
+  'some content',
+  '',
+  '## Another title',
+  '{% blockquote %}',
+  'quote content',
+  '{% endblockquote %}'
+].join('\n');
+
+exports.expected_for_issue_3346 = [
+  '<h1 id="Title"><a href="#Title" class="headerlink" title="Title"></a>Title</h1>',
+  highlight('{% test1 %}\n{{ test2 }}').replace(/{/g, '&#123;').replace(/}/g, '&#125;'), // Escaped by backtick_code_block
+  '\n<p>some content</p>\n',
+  '<h2 id="Another-title"><a href="#Another-title" class="headerlink" title="Another title"></a>Another title</h2>',
+  '<blockquote>',
+  '<p>quote content</p>\n',
+  '</blockquote>'
+].join('');
diff --git a/test/scripts/hexo/post.js b/test/scripts/hexo/post.js
index 846c3ef3f5..6e42af176b 100644
--- a/test/scripts/hexo/post.js
+++ b/test/scripts/hexo/post.js
@@ -939,4 +939,52 @@ describe('Post', () => {
     });
   });
 
+  // test for Issue #3346
+  it('render() - swig tag inside backtick code block', async () => {
+    const content = fixture.content_for_issue_3346;
+
+    const data = await post.render(null, {
+      content,
+      engine: 'markdown'
+    });
+
+    data.content.trim().should.eql(fixture.expected_for_issue_3346);
+  });
+
+  // test for https://github.com/hexojs/hexo/pull/4171#issuecomment-594412367
+  it('render() - markdown content right after swig tag', async () => {
+    const content = [
+      '{% pullquote warning %}',
+      'Text',
+      '{% endpullquote %}',
+      '# Title 0',
+      '{% pullquote warning %}',
+      'Text',
+      '{% endpullquote %}',
+      '{% pullquote warning %}',
+      'Text',
+      '{% endpullquote %}',
+      '# Title 1',
+      '{% pullquote warning %}',
+      'Text',
+      '{% endpullquote %}',
+      '{% pullquote warning %}Text{% endpullquote %}',
+      '# Title 2',
+      '{% pullquote warning %}Text{% endpullquote %}',
+      '{% pullquote warning %}Text{% endpullquote %}',
+      '# Title 3',
+      '{% pullquote warning %}Text{% endpullquote %}'
+    ].join('\n');
+
+    const data = await post.render(null, {
+      content,
+      engine: 'markdown'
+    });
+
+    // We only to make sure markdown content is rendered correctly
+    data.content.trim().should.include('<h1 id="Title-0"><a href="#Title-0" class="headerlink" title="Title 0"></a>Title 0</h1>');
+    data.content.trim().should.include('<h1 id="Title-1"><a href="#Title-1" class="headerlink" title="Title 1"></a>Title 1</h1>');
+    data.content.trim().should.include('<h1 id="Title-2"><a href="#Title-2" class="headerlink" title="Title 2"></a>Title 2</h1>');
+    data.content.trim().should.include('<h1 id="Title-3"><a href="#Title-3" class="headerlink" title="Title 3"></a>Title 3</h1>');
+  });
 });