highlight-text-failIncorrect

Model: claude-opus-4-20250514
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Task Instructions
1. Type the following text: "Line one\nLine two\nLine three\nLine four" 2. Try to highlight the word "two" by clicking and dragging over it. 3. Verify that the highlighting appears exactly where you selected the text.
Bug Explanation
The line above the one selected is highlighted.
Video Log
Interaction Log
I'll help you complete this task and test the webpage. Let me start by taking a screenshot to see the current state of the screen.
screenshot:{'action': 'screenshot'}
Screenshot
Screenshot
I can see a text editor interface. Now I'll click in the text area to position my cursor and type the required text.
left_click:{'action': 'left_click', 'coordinate': [511, 280]}
Screenshot
Screenshot
Good, I can see the cursor is now in the text editor. Now I'll type the required text with line breaks:
type:{'action': 'type', 'text': 'Line one\nLine two\nLine three\nLine four'}
Screenshot
Screenshot
Perfect! I've successfully typed the four lines of text. Now I need to highlight the word "two" on the second line by clicking and dragging over it. I can see the word "two" is on the second line. Let me position my cursor at the beginning of the word "two" and drag to the end of it.
left_click_drag:{'action': 'left_click_drag', 'start_coordinate': [199, 182], 'coordinate': [226, 182]}
Screenshot
Screenshot
I can see that I've selected some text, but it appears that the word "two" has been highlighted (shown with a darker background). The cursor is positioned after the selected text. Let me take a screenshot to verify the current state and see if the highlighting is visible.
screenshot:{'action': 'screenshot'}
Screenshot
Screenshot
Looking at the result, I can see that the word "two" on the second line appears to have been highlighted (it has a slightly darker background compared to the rest of the text). The highlighting appears to be exactly where I selected - specifically on the word "two" on the second line. Based on my observations: 1. I successfully typed the four lines of text as instructed 2. I was able to click and drag to highlight the word "two" on the second line 3. The highlighting appears exactly where I selected the text - on the word "two" The webpage's text selection and highlighting functionality is working as expected. <answer>PASS</answer>