zig/test/cases/safety/integer subtraction overflow.zig
2022-09-20 19:05:00 -07:00

22 lines
472 B
Zig

const std = @import("std");
pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace, _: ?usize) 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 = sub(10, 20);
if (x == 0) return error.Whatever;
return error.TestFailed;
}
fn sub(a: u16, b: u16) u16 {
return a - b;
}
// run
// backend=llvm
// target=native