1 files changed, 107 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/set/BigInt/typedarray-arg-set-values-diff-buffer-same-type-sab.js b/js/src/tests/test262/built-ins/TypedArray/prototype/set/BigInt/typedarray-arg-set-values-diff-buffer-same-type-sab.js
new file mode 100644
index 0000000000..25222ac4c7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/set/BigInt/typedarray-arg-set-values-diff-buffer-same-type-sab.js
@@ -0,0 +1,107 @@
+// |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 different buffer and same
+  constructor. srcBuffer values are cached.
+includes: [testBigIntTypedArray.js, compareArray.js]
+features: [BigInt, SharedArrayBuffer, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample, result;
+
+  var sab = new SharedArrayBuffer(2 * TA.BYTES_PER_ELEMENT);
+  var src = new TA(sab);
+  src[0] = 42n;
+  src[1] = 43n;
+
+  sample = new TA([1n, 2n, 3n, 4n]);
+  result = sample.set(src, 1);
+  assert(compareArray(sample, [1n, 42n, 43n, 4n]), "src is SAB-backed, offset: 1, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+  sample = new TA([1n, 2n, 3n, 4n]);
+  result = sample.set(src, 0);
+  assert(compareArray(sample, [42n, 43n, 3n, 4n]), "src is SAB-backed, offset: 0, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+  sample = new TA([1n, 2n, 3n, 4n]);
+  result = sample.set(src, 2);
+  assert(compareArray(sample, [1n, 2n, 42n, 43n]), "src is SAB-backed, offset: 2, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+  src = new TA([42n, 43n]);
+
+  sab = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT);
+  sample = new TA(sab);
+  sample[0] = 1n;
+  sample[1] = 2n;
+  sample[2] = 3n;
+  sample[3] = 4n;
+  result = sample.set(src, 1);
+  assert(compareArray(sample, [1n, 42n, 43n, 4n]), "sample is SAB-backed, 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;
+  result = sample.set(src, 0);
+  assert(compareArray(sample, [42n, 43n, 3n, 4n]), "sample is SAB-backed, 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;
+  result = sample.set(src, 2);
+  assert(compareArray(sample, [1n, 2n, 42n, 43n]), "sample is SAB-backed, offset: 2, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+
+  var sab1 = new SharedArrayBuffer(2 * TA.BYTES_PER_ELEMENT);
+  src = new TA(sab1);
+  src[0] = 42n;
+  src[1] = 43n;
+
+  var sab2;
+  sab2 = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT);
+  sample = new TA(sab2);
+  sample[0] = 1n;
+  sample[1] = 2n;
+  sample[2] = 3n;
+  sample[3] = 4n;
+  result = sample.set(src, 1);
+  assert(compareArray(sample, [1n, 42n, 43n, 4n]), "src and sample are SAB-backed, offset: 1, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+  sab2 = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT);
+  sample = new TA(sab2);
+  sample[0] = 1n;
+  sample[1] = 2n;
+  sample[2] = 3n;
+  sample[3] = 4n;
+  result = sample.set(src, 0);
+  assert(compareArray(sample, [42n, 43n, 3n, 4n]), "src and sample are SAB-backed, offset: 0, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+
+  sab2 = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT);
+  sample = new TA(sab2);
+  sample[0] = 1n;
+  sample[1] = 2n;
+  sample[2] = 3n;
+  sample[3] = 4n;
+  result = sample.set(src, 2);
+  assert(compareArray(sample, [1n, 2n, 42n, 43n]), "src and sample are SAB-backed, offset: 2, result: " + sample);
+  assert.sameValue(result, undefined, "returns undefined");
+});
+
+reportCompare(0, 0);