rust/src/test/debuginfo/nil-enum.rs
Michael Woerister c7f45a9458 debuginfo: Add LLDB autotests to debuginfo test suite.
This commit adds LLDB autotests to the test suite but does not activate them by default yet.
2014-07-16 09:46:31 +02:00

46 lines
1.3 KiB
Rust

// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// LLDB can't handle zero-sized values
// ignore-lldb
// ignore-android: FIXME(#10381)
// compile-flags:-g
// gdb-command:rbreak zzz
// gdb-command:run
// gdb-command:finish
// gdb-command:print first
// gdb-check:$1 = {<No data fields>}
// gdb-command:print second
// gdb-check:$2 = {<No data fields>}
#![allow(unused_variable)]
enum ANilEnum {}
enum AnotherNilEnum {}
// I (mw) am not sure this test case makes much sense...
// Also, it relies on some implementation details:
// 1. That empty enums as well as '()' are represented as empty structs
// 2. That gdb prints the string "{<No data fields>}" for empty structs (which may change some time)
fn main() {
unsafe {
let first: ANilEnum = std::mem::transmute(());
let second: AnotherNilEnum = std::mem::transmute(());
zzz();
}
}
fn zzz() {()}