fix: Make span_to_lines return at least one line

Muscraft · Muscraft · commit 3d4d913682c9 · 2025-06-25T17:06:25.000-06:00
diff --git a/src/renderer/source_map.rs b/src/renderer/source_map.rs
@@ -124,7 +124,7 @@ impl<'a> SourceMap<'a> {
             if start >= line_info.end_byte {
                 continue;
             }
-            if end <= line_info.start_byte {
+            if end < line_info.start_byte {
                 break;
             }
             lines.push(line_info);
diff --git a/tests/rustc_tests.rs b/tests/rustc_tests.rs
@@ -2966,7 +2966,6 @@ LL | /// This is a long line that contains a <http://link.com>
 }
 
 #[test]
-#[should_panic = "attempt to subtract with overflow"]
 fn array_into_iter() {
     let source1 = r#"#![allow(unused)]
 fn main() {

Original file line number	Diff line number	Diff line change
`@@ -2966,7 +2966,6 @@ LL \| /// This is a long line that contains a <http://link.com>`
`2966`	`2966`	`}`
`2967`	`2967`
`2968`	`2968`	`#[test]`
`2969`		`-#[should_panic = "attempt to subtract with overflow"]`
`2970`	`2969`	`fn array_into_iter() {`
`2971`	`2970`	`let source1 = r#"#![allow(unused)]`
`2972`	`2971`	`fn main() {`