1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/set/BigInt/typedarray-arg-set-values-same-buffer-same-type-sab.js b/js/src/tests/test262/built-ins/TypedArray/prototype/set/BigInt/typedarray-arg-set-values-same-buffer-same-type-sab.js
new file mode 100644
index 0000000000..d3c4b75a69
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/set/BigInt/typedarray-arg-set-values-same-buffer-same-type-sab.js
@@ -0,0 +1,52 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%typedarray%.prototype.set-typedarray-offset
+description: >
+  Set values from different instances using the same buffer and same
+  constructor. srcBuffer values are cached.
+includes: [testBigIntTypedArray.js, compareArray.js]
+features: [BigInt, SharedArrayBuffer, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample, src, result, sab;
+
+  sab = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT);
+  sample = new TA(sab);
+  sample[0] = 1n;
+  sample[1] = 2n;
+  sample[2] = 3n;
+  sample[3] = 4n;
+  src = new TA(sample.buffer, 0, 2);
+  result = sample.set(src, 0);
+  assert(compareArray(sample, [1n, 2n, 3n, 4n]), "offset: 0, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+  sab = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT);
+  sample = new TA(sab);
+  sample[0] = 1n;
+  sample[1] = 2n;
+  sample[2] = 3n;
+  sample[3] = 4n;
+  src = new TA(sample.buffer, 0, 2);
+  result = sample.set(src, 1);
+  assert(compareArray(sample, [1n, 1n, 2n, 4n]), "offset: 1, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+  sab = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT);
+  sample = new TA(sab);
+  sample[0] = 1n;
+  sample[1] = 2n;
+  sample[2] = 3n;
+  sample[3] = 4n;
+  src = new TA(sample.buffer, 0, 2);
+  result = sample.set(src, 2);
+  assert(compareArray(sample, [1n, 2n, 1n, 2n]), "offset: 2, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+});
+
+reportCompare(0, 0);