modules/rust: Add a `link_with` kwarg to the test method

This was requested by Mesa, where a bunch of `declare_dependency`
objects are being created as a workaround for the lack of this keyword

3 files changed, 23 insertions, 0 deletions

diff --git a/test cases/rust/9 unit tests/helper.rs b/test cases/rust/9 unit tests/helper.rs
new file mode 100644
index 0000000..afe3233
--- /dev/null
+++ b/test cases/rust/9 unit tests/helper.rs
@@ -0,0 +1,3 @@
+pub fn subtract(a: i32, b: i32) -> i32 {
+        a - b
+}
diff --git a/test cases/rust/9 unit tests/meson.build b/test cases/rust/9 unit tests/meson.build
index b649abb..9096014 100644
--- a/test cases/rust/9 unit tests/meson.build
+++ b/test cases/rust/9 unit tests/meson.build
@@ -41,3 +41,7 @@ rust.test('rust_test_from_static', lib, args: ['--skip', 'test_add_intentional_f
 
 lib = shared_library('rust_shared', ['test.rs'])
 rust.test('rust_test_from_shared', lib, args: ['--skip', 'test_add_intentional_fail'])
+
+helper = static_library('helper', 'helper.rs')
+lib = static_library('rust_link_with', 'test3.rs')
+rust.test('rust_test_link_with', lib, link_with : helper)
diff --git a/test cases/rust/9 unit tests/test3.rs b/test cases/rust/9 unit tests/test3.rs
new file mode 100644
index 0000000..ccb5f98
--- /dev/null
+++ b/test cases/rust/9 unit tests/test3.rs
@@ -0,0 +1,16 @@
+pub fn add(a: i32, b: i32) -> i32 {
+    a + b
+}
+
+#[cfg(test)]
+mod tests {
+        extern crate helper;
+
+        use super::*;
+
+        #[test]
+        fn test_add_sub() {
+                let x = helper::subtract(6, 5);
+                assert_eq!(add(x, 5), 6);
+        }
+}