extractContents returns incorrect result when multiple nodes are selected

[jswiderski]

Are you reporting a feature or a bug?

Bug

Check if the issue is already reported

https://dev.ckeditor.com/ticket/14256

Provide detailed reproduction steps (if any)

Please try this codepen: https://codepen.io/anon/pen/MoZOPE

1. Clear editor contents and type "This is some sample text"
2. "This is some [sample text]" - apply marker yellow to given selection
3. "This is [some sample text]" - apply bold to given selection
4. "[This is some sample text]" - apply below code in browser console to given selection

var currentRange = CKEDITOR.instances.editor1.getSelection().getRanges()[0];
console.log(currentRange.extractContents().getHtml());

Expected result

This is <strong>some <span class="marker">sample text</span></strong>

Actual result

This is <strong><span class="marker">sample text</span>some </strong>

Other details

• Browser: Any
• OS: Any
• CKEditor version: CKEditor 4.5.0+
• Installed CKEditor plugins: N/A

[Comandeer]

It seems that this fix eliminates also pretty nasty bug in lists.

[mlewand]

It seems that this fix eliminates also pretty nasty bug in lists.

It has improved this TC partially but it does not fix it yet. I'll post it as a separate issue on GH.

Edit: Extracted to #790.