Migrate %TypedArray%.prototype.fill to C++

test/mjsunit/es6/typedarray-fill.js

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var typedArrayConstructors = [
   Uint8Array,
   Int8Array,
   Uint16Array,
   Int16Array,
   Uint32Array,
@@ skipping 12 matching lines @@
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -5), [8, 8, 8, 8, 8]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1, 4), [0, 8, 8, 8, 0]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1, -1), [0, 8, 8, 8, 0]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1, 42), [0, 8, 8, 8, 8]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -3, 42), [0, 0, 8, 8, 8]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -3, 4), [0, 0, 8, 8, 0]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -2, -1), [0, 0, 0, 8, 0]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -1, -3), [0, 0, 0, 0, 0]);
   assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 0, 4), [8, 8, 8, 8, 0]);
 
+  assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, Infinity), [0, 0, 0, 0, 0]);
+  assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -Infinity), [8, 8, 8, 8, 8]);
+  assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 0, Infinity), [8, 8, 8, 8, 8]);
+  assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 0, -Infinity), [0, 0, 0, 0, 0]);
+

[Camillo Bruni, 2017/03/13 15:58:14]

Please add my Proxy test case as well, to ensure we do ToNumber on ever
iteration step.

[rongjie, 2017/03/14 00:18:07]

Done.

   // Test exceptions
   assertThrows('constructor.prototype.fill.call(null)', TypeError);
   assertThrows('constructor.prototype.fill.call(undefined)', TypeError);
   assertThrows('constructor.prototype.fill.call([])', TypeError);
 
   // Shadowing length doesn't affect fill, unlike Array.prototype.fill
   var a = new constructor([2, 2]);
   Object.defineProperty(a, 'length', {value: 1});
   a.fill(3);
   assertArrayEquals([a[0], a[1]], [3, 3]);
   Array.prototype.fill.call(a, 4);
   assertArrayEquals([a[0], a[1]], [4, 3]);
 }
+
+// Clamping
+assertArrayEquals(new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(-10), [0, 0, 0, 0, 0]);
+assertArrayEquals(new Uint8ClampedArray([0, 0, 0, 0, 0]).fill(1000), [255, 255, 255, 255, 255]);