Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 46 insertions, 0 deletions

diff --git a/src/test/ui/proc-macro/macro-quote-cond.rs b/src/test/ui/proc-macro/macro-quote-cond.rs
new file mode 100644
index 000000000..48307f4d9
--- /dev/null
+++ b/src/test/ui/proc-macro/macro-quote-cond.rs
@@ -0,0 +1,46 @@
+// run-pass
+// aux-build:cond_plugin.rs
+
+#![allow(unused_parens)]
+
+extern crate cond_plugin;
+
+use cond_plugin::cond;
+
+fn fact(n : i64) -> i64 {
+    if n == 0 {
+        1
+    } else {
+        n * fact(n - 1)
+    }
+}
+
+fn fact_cond(n : i64) -> i64 {
+  cond!(
+    ((n == 0) 1)
+    (else (n * fact_cond(n-1)))
+  )
+}
+
+fn fib(n : i64) -> i64 {
+  if n == 0 || n == 1 {
+      1
+  } else {
+      fib(n-1) + fib(n-2)
+  }
+}
+
+fn fib_cond(n : i64) -> i64 {
+  cond!(
+    ((n == 0) 1)
+    ((n == 1) 1)
+    (else (fib_cond(n-1) + fib_cond(n-2)))
+  )
+}
+
+fn main() {
+    assert_eq!(fact(3), fact_cond(3));
+    assert_eq!(fact(5), fact_cond(5));
+    assert_eq!(fib(5), fib_cond(5));
+    assert_eq!(fib(8), fib_cond(8));
+}