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Changed offset_to_text_point function and added unit tests for the same

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This commit is contained in:
paavininanda 2018-02-04 20:19:52 +05:30
parent 1662fd7357
commit 7b58fb5fdd
5 changed files with 63 additions and 4 deletions
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7
components/script/textinput.rs
View file

@ -871,13 +871,12 @@ impl<T: ClipboardProvider> TextInput<T> {
fn offset_to_text_point(&self, abs_point: usize) -> TextPoint {
let mut index = abs_point;
let mut line = 0;
let last_line_idx = self.lines.len() - 1;
self.lines.iter().enumerate().fold(0, |acc, (i, val)| {
if i != last_line_idx {
let line_end = max(val.len(), 1);
let new_acc = acc + line_end;
if abs_point > new_acc && index > line_end {
let line_end = val.len();
let new_acc = acc + line_end + 1;
if abs_point >= new_acc && index > line_end {
index -= line_end + 1;
line += 1;
}

28
tests/unit/script/textinput.rs
View file

@ -600,6 +600,27 @@ fn test_textinput_set_selection_with_direction() {
assert!(textinput.selection_origin.is_some());
assert_eq!(textinput.selection_origin.unwrap().line, 0);
assert_eq!(textinput.selection_origin.unwrap().index, 6);
textinput = text_input(Lines::Multiple, "\n\n");
textinput.set_selection_range(0, 1, SelectionDirection::Forward);
assert_eq!(textinput.edit_point.line, 1);
assert_eq!(textinput.edit_point.index, 0);
assert_eq!(textinput.selection_direction, SelectionDirection::Forward);
assert!(textinput.selection_origin.is_some());
assert_eq!(textinput.selection_origin.unwrap().line, 0);
assert_eq!(textinput.selection_origin.unwrap().index, 0);
textinput = text_input(Lines::Multiple, "\n");
textinput.set_selection_range(0, 1, SelectionDirection::Forward);
assert_eq!(textinput.edit_point.line, 1);
assert_eq!(textinput.edit_point.index, 0);
assert_eq!(textinput.selection_direction, SelectionDirection::Forward);
assert!(textinput.selection_origin.is_some());
assert_eq!(textinput.selection_origin.unwrap().line, 0);
assert_eq!(textinput.selection_origin.unwrap().index, 0);
}
#[test]
@ -629,4 +650,11 @@ fn test_selection_bounds() {
assert_eq!(TextPoint { line: 0, index: 6 }, textinput.selection_end());
assert_eq!(3, textinput.selection_start_offset());
assert_eq!(6, textinput.selection_end_offset());
textinput = text_input(Lines::Multiple, "\n\n");
textinput.set_selection_range(0, 1, SelectionDirection::Forward);
assert_eq!(TextPoint { line: 0, index: 0 }, textinput.selection_origin_or_edit_point());
assert_eq!(TextPoint { line: 0, index: 0 }, textinput.selection_start());
assert_eq!(TextPoint { line: 1, index: 0 }, textinput.selection_end());
}

10
tests/wpt/metadata/MANIFEST.json
View file

@ -353734,6 +353734,12 @@
{}
]
],
"selection/setSelectionRange.html": [
[
"/selection/setSelectionRange.html",
{}
]
],
"selection/type.html": [
[
"/selection/type.html",
@ -581157,6 +581163,10 @@
"856ba9771d2c1e2eaae00dcf6b8378a42003cc7a",
"testharness"
],
"selection/setSelectionRange.html": [
"a047ea5e4c00894fcc30e972f84bcedc4a8226cf",
"testharness"
],
"selection/test-iframe.html": [
"3803c785b4a2fe2bbf9ecb895e6d3e1ae9e40164",
"support"

4
tests/wpt/metadata/selection/setSelectionRange.html.ini Normal file
View file

@ -0,0 +1,4 @@
[setSelectionRange.html]
type: testharness
[setSelectionRange on line boundaries]
expected: FAIL

18
tests/wpt/web-platform-tests/selection/setSelectionRange.html Normal file
View file

@ -0,0 +1,18 @@
<!doctype html>
<meta charset="utf-8">
<title></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<textarea>
</textarea>
<script>
test(function() {
let textarea = document.querySelector('textarea');
assert_equals(textarea.selectionStart, 0);
assert_equals(textarea.selectionEnd, 0);
textarea.setSelectionRange(0, 1);
assert_equals(textarea.selectionStart, 0);
assert_equals(textarea.selectionEnd, 1);
}, "setSelectionRange on line boundaries");
</script>