Add new testing crate to test rustest from an external crate.

`rustest-testing` is not intended to be published.

Author: mgautierfr

Diff for: Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["rustest", "rustest-macro"]
+members = ["rustest", "rustest-macro", "rustest-testing"]
 resolver = "2"
 
 [workspace.package]

Diff for: rustest-testing/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "rustest-testing"
+edition.workspace = true
+version.workspace = true
+authors.workspace = true
+repository.workspace = true
+homepage.workspace = true
+license.workspace = true
+description.workspace = true
+keywords.workspace = true
+categories.workspace = true
+
+[dependencies]
+
+[dev-dependencies]
+rustest = { path = "../rustest" }
+
+
+[lib]
+harness = false

Diff for: rustest-testing/src/lib.rs

@@ -0,0 +1,23 @@
+mod other_mod;
+
+pub use other_mod::*;
+
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use rustest::test;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert!(result == 4);
+    }
+}
+
+#[cfg(test)]
+#[rustest::main]
+fn main() {}

Diff for: rustest-testing/src/other_mod.rs

@@ -0,0 +1,28 @@
+pub fn addition(a: u32, b: u32) -> u32 {
+    a + b
+}
+
+#[cfg(test)]
+pub(crate) mod tests {
+    use super::*;
+    use rustest::test;
+
+    #[test(params:(u32, u32, u32)=[
+        (1,2,3),
+        (5,6,11),
+        (598318, 54876521, 55474839)
+    ])]
+    fn test_addition_ok(Param((a, b, expected)): Param) {
+        assert_eq!(addition(a, b), expected);
+    }
+
+    #[test(params:(u32, u32, u32)=[
+        (1,2,4),
+        (5,6,5555),
+        (598318, 54876521, 0)
+    ])]
+    #[xfail]
+    fn test_addition_fail(Param((a, b, expected)): Param) {
+        assert_eq!(addition(a, b), expected);
+    }
+}