fix: ensure that paragraph correctly renders styled text

src/widgets/paragraph.rs

@@ -338,8 +338,9 @@ impl Paragraph<'_> {
  return;
  }
 
+ buf.set_style(text_area, self.style);
  let styled = self.text.iter().map(|line| {
- let graphemes = line.styled_graphemes(self.style);
+ let graphemes = line.styled_graphemes(self.text.style);
  let alignment = line.alignment.unwrap_or(self.alignment);
  (graphemes, alignment)
  });
@@ -1011,4 +1012,26 @@ mod test {
  let p = Paragraph::new("Hello, world!").right_aligned();
  assert_eq!(p.alignment, Alignment::Right);
  }
+
+ /// Regression test for <https://github.com/ratatui-org/ratatui/issues/990>
+ ///
+ /// This test ensures that paragraphs with a block and styled text are rendered correctly.
+ /// It has been simplified from the original issue but tests the same functionality.
+ #[test]
+ fn paragraph_block_text_style() {
+ let text = Text::styled("Styled text", Color::Green);
+ let paragraph = Paragraph::new(text).block(Block::bordered());
+
+ let mut buf = Buffer::empty(Rect::new(0, 0, 20, 3));
+ paragraph.render(Rect::new(0, 0, 20, 3), &mut buf);
+
+ let mut expected = Buffer::with_lines(vec![
+ "┌──────────────────┐",
+ "│Styled text │",
+ "└──────────────────┘",
+ ]);
+ expected.set_style(Rect::new(1, 1, 11, 1), Style::default().fg(Color::Green));
+
+ assert_eq!(buf, expected);
+ }
 }