1 files changed, 31 insertions, 0 deletions
diff --git a/tests/wasm.sh b/tests/wasm.sh
index d024989..e97c05f 100644
--- a/tests/wasm.sh
+++ b/tests/wasm.sh
@@ -23,3 +23,34 @@ cat > expected <<'EOF'
 EOF
 
 diff -u expected output
+
+
+cat > main.c <<'EOF'
+int fib(int n) {
+    if (n <= 1) {
+        return 1;
+    } else {
+        return fib(n - 1) + fib(n - 2);
+    }
+}
+EOF
+
+"$ducc" "${CFLAGS:-}" --wasm -o main.wat main.c
+
+wat2wasm main.wat -o main.wasm
+
+cat > main.mjs <<'EOF'
+import { readFile } from 'fs/promises';
+
+const wasmBuffer = await readFile('./main.wasm');
+const { instance } = await WebAssembly.instantiate(wasmBuffer);
+
+console.log(instance.exports.fib(10));
+EOF
+node main.mjs > output
+
+cat > expected <<'EOF'
+89
+EOF
+
+diff -u expected output