1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/fromAsync/async-iterable-async-mapped-awaits-once.js b/js/src/tests/test262/built-ins/Array/fromAsync/async-iterable-async-mapped-awaits-once.js
new file mode 100644
index 0000000000..19fea4fdfa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/fromAsync/async-iterable-async-mapped-awaits-once.js
@@ -0,0 +1,31 @@
+// |reftest| async
+// Copyright (C) 2023 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.fromasync
+description: >
+  Async-iterable awaits each input once with mapping callback
+includes: [asyncHelpers.js]
+flags: [async]
+features: [Array.fromAsync]
+---*/
+
+asyncTest(async function () {
+  async function* generateInput () {
+    yield* [ 0, 1, 2 ];
+  }
+  const input = generateInput();
+  let awaitCounter = 0;
+  await Array.fromAsync(input, v => {
+    return {
+      // This “then” method should occur three times:
+      // one for each value from the input.
+      then (resolve, reject) {
+        awaitCounter ++;
+        resolve(v);
+      },
+    };
+  });
+  assert.sameValue(awaitCounter, 3);
+});