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Check for overlapping and simplify unit test

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This commit is contained in:
Jonathan Turner
2016-09-20 15:39:05 -07:00
parent 2ea3ab3a90
commit e4b18422ad
1 changed files with 3 additions and 8 deletions
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11
src/libsyntax/codemap.rs
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@@ -392,8 +392,8 @@ impl CodeMap {
return None;
}
// ensure these follow the expected order
if sp_lhs.lo <= sp_rhs.lo {
// ensure these follow the expected order and we don't overlap
if (sp_lhs.lo <= sp_rhs.lo) && (sp_lhs.hi <= sp_rhs.lo) {
Some(Span {
lo: cmp::min(sp_lhs.lo, sp_rhs.lo),
hi: cmp::max(sp_lhs.hi, sp_rhs.hi),
@@ -1146,12 +1146,7 @@ mod tests {
let span1 = span_from_selection(inputtext, selection1);
let span2 = span_from_selection(inputtext, selection2);
if let Some(_) = cm.merge_spans(span1, span2) {
assert!(false);
}
else {
assert!(true);
}
assert!(cm.merge_spans(span1, span2).is_none());
}
/// Returns the span corresponding to the `n`th occurrence of