Merge pull request #7 from dimacurrentai/overflow

Integer overflow tests in release mode.

Author: dkorolev

step01_cmdline/code/Cargo.toml

@@ -2,5 +2,8 @@
 name = "add"
 edition = "2021"
 
+[profile.release]
+overflow-checks = true
+
 [dependencies]
 clap = { version = "4.0", features = ["derive"] }

step01_cmdline/code/src/main.rs

@@ -3,9 +3,9 @@ use clap::Parser;
 #[derive(Parser)]
 struct Args {
   #[arg(long)]
-  a: u32,
+  a: i8,
   #[arg(long)]
-  b: u32,
+  b: i8,
 }
 
 fn main() {

step01_cmdline/run.sh

@@ -3,5 +3,7 @@
 set -e
 
 docker build -f ../Dockerfile.template . -t demo
-docker run --rm -t demo --a 1 --b 2
-docker run --rm -t demo --a 3 --b 4
+docker run --rm -t demo --a 1 --b 2 && echo OK
+docker run --rm -t demo --a 3 --b 4 && echo OK
+docker run --rm -t demo --a 100 --b 100 && (echo "Error, should overflow."; exit 1)
+echo "Oveflow handled correctly."