1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/modules/isEven.js b/js/src/jit-test/modules/isEven.js
new file mode 100644
index 000000000..242cddf40
--- /dev/null
+++ b/js/src/jit-test/modules/isEven.js
@@ -0,0 +1,12 @@
+import { isOdd } from "isOdd.js"
+
+export function isEven(x) {
+    if (x < 0)
+        throw "negative";
+    if (x == 0)
+        return true;
+    return isOdd(x - 1);
+}
+
+assertEq(isEven(4), true);
+assertEq(isOdd(5), true);