Add test for dereference of an empty Buf

ehuss · weihanglo · commit 73a5d5d7c49a · 2026-02-02T09:48:51.000+08:00
diff --git a/src/buf.rs b/src/buf.rs
@@ -75,3 +75,12 @@ impl Drop for Buf {
         unsafe { raw::git_buf_dispose(&mut self.raw) }
     }
 }
+
+#[test]
+fn empty_buf() {
+    let mut buf = Buf::new();
+    let x: &[u8] = &*buf;
+    assert_eq!(x.len(), 0);
+    let x: &mut [u8] = &mut *buf;
+    assert_eq!(x.len(), 0);
+}

Original file line number	Diff line number	Diff line change
`@@ -75,3 +75,12 @@ impl Drop for Buf {`
`75`	`75`	`unsafe { raw::git_buf_dispose(&mut self.raw) }`
`76`	`76`	`}`
`77`	`77`	`}`
	`78`	`+`
	`79`	`+#[test]`
	`80`	`+fn empty_buf() {`
	`81`	`+ let mut buf = Buf::new();`
	`82`	`+ let x: &[u8] = &*buf;`
	`83`	`+ assert_eq!(x.len(), 0);`
	`84`	`+ let x: &mut [u8] = &mut *buf;`
	`85`	`+ assert_eq!(x.len(), 0);`
	`86`	`+}`