Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/run-make-fulldeps/extern-fn-generic/test.rs b/tests/run-make-fulldeps/extern-fn-generic/test.rs
new file mode 100644
index 000000000..c9baa4898
--- /dev/null
+++ b/tests/run-make-fulldeps/extern-fn-generic/test.rs
@@ -0,0 +1,20 @@
+extern crate testcrate;
+
+extern "C" fn bar<T>(ts: testcrate::TestStruct<T>) -> T {
+    ts.y
+}
+
+#[link(name = "test", kind = "static")]
+extern "C" {
+    fn call(c: extern "C" fn(testcrate::TestStruct<i32>) -> i32) -> i32;
+}
+
+fn main() {
+    // Let's test calling it cross crate
+    let back = unsafe { testcrate::call(testcrate::foo::<i32>) };
+    assert_eq!(3, back);
+
+    // And just within this crate
+    let back = unsafe { call(bar::<i32>) };
+    assert_eq!(3, back);
+}