test too big slice

rust-lang · Aug 27, 2019 · 2cee141 · 2cee141
1 parent 2be0db4
commit 2cee141
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/tests/compile-fail/slice-too-big.rs b/tests/compile-fail/slice-too-big.rs
@@ -0,0 +1,7 @@
+use std::mem;
+use std::usize;
+
+fn main() { unsafe {
+    let ptr = Box::into_raw(Box::new(0u8));
+    let _x: &[u8] = mem::transmute((ptr, usize::MAX)); //~ ERROR: invalid slice: total size is bigger than largest supported object
+} }