1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/notify/count-boundary-cases.js b/js/src/tests/test262/built-ins/Atomics/notify/count-boundary-cases.js
new file mode 100644
index 0000000000..c9975fe467
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/notify/count-boundary-cases.js
@@ -0,0 +1,64 @@
+// |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration()['arm64-simulator'])) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics
+// Copyright (C) 2017 Mozilla Corporation.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.notify
+description: >
+  Allowed boundary cases for 'count' argument to Atomics.notify
+info: |
+  Atomics.notify( typedArray, index, count )
+
+  ...
+  3. If count is undefined, let c be +∞.
+  4. Else,
+    a. Let intCount be ? ToInteger(count).
+  ...
+
+  ToInteger ( argument )
+
+  1. Let number be ? ToNumber(argument).
+  2. If number is NaN, return +0.
+  3. If number is +0, -0, +∞, or -∞, return number.
+  4. Return the number value that is the same sign as number
+      and whose magnitude is floor(abs(number)).
+
+features: [Atomics, SharedArrayBuffer, TypedArray]
+---*/
+
+const i32a = new Int32Array(
+  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
+);
+
+assert.sameValue(
+  Atomics.notify(i32a, 0, -3),
+  0,
+  'Atomics.notify(i32a, 0, -3) returns 0'
+);
+assert.sameValue(
+  Atomics.notify(i32a, 0, Number.POSITIVE_INFINITY),
+  0,
+  'Atomics.notify(i32a, 0, Number.POSITIVE_INFINITY) returns 0'
+);
+assert.sameValue(
+  Atomics.notify(i32a, 0, undefined),
+  0,
+  'Atomics.notify(i32a, 0, undefined) returns 0'
+);
+assert.sameValue(
+  Atomics.notify(i32a, 0, '33'),
+  0,
+  'Atomics.notify(i32a, 0, \'33\') returns 0'
+);
+assert.sameValue(
+  Atomics.notify(i32a, 0, { valueOf: 8 }),
+  0,
+  'Atomics.notify(i32a, 0, {valueOf: 8}) returns 0'
+);
+assert.sameValue(
+  Atomics.notify(i32a, 0),
+  0,
+  'Atomics.notify(i32a, 0) returns 0'
+);
+
+reportCompare(0, 0);