6 files changed, 43 insertions, 1 deletions
diff --git a/tests/hello-world/Cargo.lock b/tests/hello-world/Cargo.lock
new file mode 100644
index 00000000000..fe252db4425
--- /dev/null
+++ b/tests/hello-world/Cargo.lock
@@ -0,0 +1,14 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "hello_world"
+version = "0.0.0"
+dependencies = [
+ "mylib",
+]
+
+[[package]]
+name = "mylib"
+version = "0.1.0"
diff --git a/tests/hello-world/Cargo.toml b/tests/hello-world/Cargo.toml
index 0b8cdc63fbe..f73beedccce 100644
--- a/tests/hello-world/Cargo.toml
+++ b/tests/hello-world/Cargo.toml
@@ -1,4 +1,9 @@
 [package]
 name = "hello_world"
+edition = "2024"
 
 [dependencies]
+mylib = { path = "mylib" }
+
+[profile.dev]
+lto = "thin"
diff --git a/tests/hello-world/mylib/Cargo.lock b/tests/hello-world/mylib/Cargo.lock
new file mode 100644
index 00000000000..c8a0bfc6354
--- /dev/null
+++ b/tests/hello-world/mylib/Cargo.lock
@@ -0,0 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "mylib"
+version = "0.1.0"
diff --git a/tests/hello-world/mylib/Cargo.toml b/tests/hello-world/mylib/Cargo.toml
new file mode 100644
index 00000000000..d15f62bfb6d
--- /dev/null
+++ b/tests/hello-world/mylib/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "mylib"
+version = "0.1.0"
+authors = ["Antoni Boucher <bouanto@zoho.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/tests/hello-world/mylib/src/lib.rs b/tests/hello-world/mylib/src/lib.rs
new file mode 100644
index 00000000000..8d3d111bd19
--- /dev/null
+++ b/tests/hello-world/mylib/src/lib.rs
@@ -0,0 +1,7 @@
+pub fn my_func(a: i32, b: i32) -> i32 {
+    let mut res = a;
+    for i in a..b {
+        res += i;
+    }
+    res
+}
diff --git a/tests/hello-world/src/main.rs b/tests/hello-world/src/main.rs
index e7a11a969c0..71c78d364ac 100644
--- a/tests/hello-world/src/main.rs
+++ b/tests/hello-world/src/main.rs
@@ -1,3 +1,5 @@
+use mylib::my_func;
+
 fn main() {
-    println!("Hello, world!");
+    println!("{}", my_func(5, 10));
 }