Add test vector for workspace setups where contract types live in a l…

…ib (#1070)

### What
Add test vector for workspace setups where contract types live in a lib.

### Why
In #1063 it was
mentioned that folks were having trouble with using types in other libs.
Added this test vector to confirm if that was an issue or not. Appears
to work fine, and this is a use case that is important, so committing
the test vector.

Cargo.toml

@@ -24,6 +24,8 @@ members = [
     "tests/auth",
     "tests/fuzz",
     "tests/multiimpl",
+    "tests/workspace_contract",
+    "tests/workspace_lib",
 ]
 
 [workspace.package]

tests/workspace_contract/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "test_workspace_contract"
+version.workspace = true
+authors = ["Stellar Development Foundation <info@stellar.org>"]
+license = "Apache-2.0"
+edition = "2021"
+publish = false
+rust-version = "1.71"
+
+[lib]
+crate-type = ["cdylib"]
+doctest = false
+
+[dependencies]
+soroban-sdk = {path = "../../soroban-sdk"}
+test_workspace_lib = {path = "../workspace_lib"}
+
+[dev-dependencies]
+soroban-sdk = {path = "../../soroban-sdk", features = ["testutils"]}
+test_workspace_lib = {path = "../workspace_lib", features = ["testutils"]}

tests/workspace_contract/src/lib.rs

@@ -0,0 +1,31 @@
+#![no_std]
+use soroban_sdk::{contract, contractimpl};
+
+use test_workspace_lib::Value;
+
+#[contract]
+pub struct Contract;
+
+#[contractimpl]
+impl Contract {
+    pub fn value() -> Value {
+        return Value { value: 13 };
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use soroban_sdk::Env;
+
+    #[test]
+    fn test_add() {
+        let e = Env::default();
+
+        let contract_id = e.register_contract(None, Contract);
+        let client = ContractClient::new(&e, &contract_id);
+
+        let z = client.value();
+        assert_eq!(z, Value { value: 13 });
+    }
+}

tests/workspace_lib/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "test_workspace_lib"
+version.workspace = true
+authors = ["Stellar Development Foundation <info@stellar.org>"]
+license = "Apache-2.0"
+edition = "2021"
+publish = false
+rust-version = "1.71"
+
+[lib]
+crate-type = ["rlib"]
+doctest = false
+
+[features]
+testutils = []
+
+[dependencies]
+soroban-sdk = {path = "../../soroban-sdk"}
+
+[dev-dependencies]
+soroban-sdk = {path = "../../soroban-sdk", features = ["testutils"]}

tests/workspace_lib/src/lib.rs

@@ -0,0 +1,8 @@
+#![no_std]
+use soroban_sdk::contracttype;
+
+#[contracttype]
+#[derive(Debug, Eq, PartialEq)]
+pub struct Value {
+    pub value: i32,
+}