1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/fromAsync/non-iterable-with-thenable-async-mapped-awaits-once.js b/js/src/tests/test262/built-ins/Array/fromAsync/non-iterable-with-thenable-async-mapped-awaits-once.js
new file mode 100644
index 0000000000..080a9e6300
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/fromAsync/non-iterable-with-thenable-async-mapped-awaits-once.js
@@ -0,0 +1,30 @@
+// |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: >
+  Non-iterable input with thenables awaits each input once without mapping callback
+includes: [asyncHelpers.js]
+flags: [async]
+features: [Array.fromAsync]
+---*/
+
+asyncTest(async function () {
+  const expectedValue = {};
+  const expected = [ expectedValue ];
+  let awaitCounter = 0;
+  const inputThenable = {
+    then (resolve, reject) {
+      awaitCounter++;
+      resolve(expectedValue);
+    },
+  };
+  const input = {
+    length: 1,
+    0: inputThenable,
+  };
+  await Array.fromAsync(input, async v => v);
+  assert.sameValue(awaitCounter, 1);
+});