1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/entries/BigInt/return-abrupt-from-this-out-of-bounds.js b/js/src/tests/test262/built-ins/TypedArray/prototype/entries/BigInt/return-abrupt-from-this-out-of-bounds.js
new file mode 100644
index 0000000000..8aed92e439
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/entries/BigInt/return-abrupt-from-this-out-of-bounds.js
@@ -0,0 +1,62 @@
+// |reftest| skip -- resizable-arraybuffer is not supported
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.entries
+description: Return abrupt when "this" value fails buffer boundary checks
+includes: [testBigIntTypedArray.js]
+features: [ArrayBuffer, BigInt, TypedArray, arrow-function, resizable-arraybuffer]
+---*/
+
+assert.sameValue(
+  typeof TypedArray.prototype.entries,
+  'function',
+  'implements TypedArray.prototype.entries'
+);
+
+assert.sameValue(
+  typeof ArrayBuffer.prototype.resize,
+  'function',
+  'implements ArrayBuffer.prototype.resize'
+);
+
+testWithBigIntTypedArrayConstructors(TA => {
+  var BPE = TA.BYTES_PER_ELEMENT;
+  var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5});
+  var array = new TA(ab, BPE, 2);
+
+  try {
+    ab.resize(BPE * 5);
+  } catch (_) {}
+
+  // no error following grow:
+  array.entries();
+
+  try {
+    ab.resize(BPE * 3);
+  } catch (_) {}
+
+  // no error following shrink (within bounds):
+  array.entries();
+
+  var expectedError;
+  try {
+    ab.resize(BPE * 2);
+    // If the preceding "resize" operation is successful, the typed array will
+    // be out out of bounds, so the subsequent prototype method should produce
+    // a TypeError due to the semantics of ValidateTypedArray.
+    expectedError = TypeError;
+  } catch (_) {
+    // The host is permitted to fail any "resize" operation at its own
+    // discretion. If that occurs, the entries operation should complete
+    // successfully.
+    expectedError = Test262Error;
+  }
+
+  assert.throws(expectedError, () => {
+    array.entries();
+    throw new Test262Error('entries completed successfully');
+  });
+});
+
+reportCompare(0, 0);