Improve core::ascii coverage

pvdrz · pvdrz · commit 9a5cb591c62d · 2025-09-12T11:10:45.000-05:00
diff --git a/library/coretests/tests/ascii.rs b/library/coretests/tests/ascii.rs
@@ -505,3 +505,8 @@ fn test_escape_ascii_iter() {
     let _ = it.advance_back_by(4);
     assert_eq!(it.to_string(), r#"fastpath\xffremainder"#);
 }
+
+#[test]
+fn test_invalid_u8() {
+    assert_eq!(core::ascii::Char::from_u8(128), None);
+}

Original file line number	Diff line number	Diff line change
`@@ -505,3 +505,8 @@ fn test_escape_ascii_iter() {`
`505`	`505`	`let _ = it.advance_back_by(4);`
`506`	`506`	`assert_eq!(it.to_string(), r#"fastpath\xffremainder"#);`
`507`	`507`	`}`
	`508`	`+`
	`509`	`+#[test]`
	`510`	`+fn test_invalid_u8() {`
	`511`	`+ assert_eq!(core::ascii::Char::from_u8(128), None);`
	`512`	`+}`