From db2c1841cbc5ecbc9ebc43f4cf85f12cf0c77ca8 Mon Sep 17 00:00:00 2001 From: Matt Brubeck Date: Thu, 24 Mar 2016 14:22:49 -0700 Subject: [PATCH] Fix delete_char when selection range is empty An empty selection range should be treated the same as no selection. Fixes browserhtml/browserhtml#930. --- components/script/textinput.rs | 4 ++-- tests/unit/script/textinput.rs | 7 +++++++ 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/components/script/textinput.rs b/components/script/textinput.rs index 35b49ee57a4..40ad401a903 100644 --- a/components/script/textinput.rs +++ b/components/script/textinput.rs @@ -20,7 +20,7 @@ pub enum Selection { NotSelected } -#[derive(JSTraceable, Copy, Clone, HeapSizeOf)] +#[derive(JSTraceable, Copy, Clone, HeapSizeOf, PartialEq)] pub struct TextPoint { /// 0-based line number pub line: usize, @@ -123,7 +123,7 @@ impl TextInput { /// Remove a character at the current editing point pub fn delete_char(&mut self, dir: Direction) { - if self.selection_begin.is_none() { + if self.selection_begin.is_none() || self.selection_begin == Some(self.edit_point) { self.adjust_horizontal_by_one(dir, Selection::Selected); } self.replace_selection(DOMString::new()); diff --git a/tests/unit/script/textinput.rs b/tests/unit/script/textinput.rs index c5071f36090..2613c0f640a 100644 --- a/tests/unit/script/textinput.rs +++ b/tests/unit/script/textinput.rs @@ -150,6 +150,13 @@ fn test_textinput_delete_char() { textinput.delete_char(Direction::Forward); // Not splitting surrogate pairs. assert_eq!(textinput.get_content(), "ab"); + + let mut textinput = text_input(Lines::Single, "abcdefg"); + textinput.adjust_horizontal(2, Selection::NotSelected); + // Set an empty selection range. + textinput.selection_begin = Some(textinput.edit_point); + textinput.delete_char(Direction::Backward); + assert_eq!(textinput.get_content(), "acdefg"); } #[test]