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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/oom_unwind.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/oom_unwind.rs')
-rw-r--r--src/test/ui/oom_unwind.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/oom_unwind.rs b/src/test/ui/oom_unwind.rs
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+++ b/src/test/ui/oom_unwind.rs
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+// compile-flags: -Z oom=panic
+// run-pass
+// no-prefer-dynamic
+// needs-unwind
+// only-linux
+
+#![feature(bench_black_box)]
+
+use std::hint::black_box;
+use std::mem::forget;
+use std::panic::catch_unwind;
+
+fn main() {
+ let panic = catch_unwind(|| {
+ // This is guaranteed to exceed even the size of the address space
+ for _ in 0..16 {
+ // Truncates to a suitable value for both 32-bit and 64-bit targets.
+ let alloc_size = 0x1000_0000_1000_0000u64 as usize;
+ forget(black_box(vec![0u8; alloc_size]));
+ }
+ });
+ assert!(panic.is_err());
+}