zig/test/cases/safety/integer negation overflow.zig
2022-07-23 15:40:11 +03:00

22 lines
454 B
Zig

const std = @import("std");
pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
_ = stack_trace;
if (std.mem.eql(u8, message, "integer overflow")) {
std.process.exit(0);
}
std.process.exit(1);
}
pub fn main() !void {
const x = neg(-32768);
if (x == 32767) return error.Whatever;
return error.TestFailed;
}
fn neg(a: i16) i16 {
return -a;
}
// run
// backend=llvm
// target=native