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auto merge of #4928 : yodalee/servo/issue4906-fix-characterdata-substringdata, r=jdm

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issue #4906
Fix substringData function, and add a test case for all function in characterdata.
This commit is contained in:
bors-servo 2015-02-27 19:39:58 -07:00
commit 55f7636549
3 changed files with 49 additions and 11 deletions
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10
components/script/dom/characterdata.rs
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@ -77,11 +77,11 @@ impl<'a> CharacterDataMethods for JSRef<'a, CharacterData> {
}
fn Length(self) -> u32 {
self.data.borrow().len() as u32
self.data.borrow().chars().count() as u32
}
fn SubstringData(self, offset: u32, count: u32) -> Fallible<DOMString> {
Ok(self.data.borrow()[offset as usize .. count as usize].to_owned())
Ok(self.data.borrow().slice_chars(offset as usize, (offset + count) as usize).to_owned())
}
fn AppendData(self, arg: DOMString) -> ErrorResult {
@ -98,7 +98,7 @@ impl<'a> CharacterDataMethods for JSRef<'a, CharacterData> {
}
fn ReplaceData(self, offset: u32, count: u32, arg: DOMString) -> ErrorResult {
let length = self.data.borrow().len() as u32;
let length = self.data.borrow().chars().count() as u32;
if offset > length {
return Err(IndexSize);
}
@ -107,9 +107,9 @@ impl<'a> CharacterDataMethods for JSRef<'a, CharacterData> {
} else {
count
};
let mut data = self.data.borrow()[..offset as usize].to_owned();
let mut data = self.data.borrow().slice_chars(0, offset as usize).to_owned();
data.push_str(arg.as_slice());
data.push_str(&self.data.borrow()[(offset + count) as usize..]);
data.push_str(&self.data.borrow().slice_chars((offset + count) as usize, length as usize));
*self.data.borrow_mut() = data;
// FIXME: Once we have `Range`, we should implement step7 to step11
Ok(())