1 files changed, 24 insertions, 0 deletions
diff --git a/tests/fib/fib.fwd b/tests/fib/fib.fwd
new file mode 100644
index 0000000..e07d8af
--- /dev/null
+++ b/tests/fib/fib.fwd
@@ -0,0 +1,24 @@
+import "../../mod/libfwdio.so"
+
+fib(i64 n, (i64) res)
+{
+	if n < 2 {
+		res(1);
+	} else {
+		fib(n - 1) => i64 f1;
+		fib(n - 2) => i64 f2;
+		res(f1 + f2);
+	}
+}
+
+main()
+{
+	fib(20) => i64 n;
+	if n == 10946 {
+		fwdprint_str("OK\n");
+	} else {
+		fwdprint_str("expected 10946, got ");
+		fwdprint_i64(n);
+		fwdprint_nl();
+	}
+}