Implement %TypedArray%.{fill,find,findIndex}

test/mjsunit/harmony/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.
+
+// Flags: --harmony-arrays
+
+var typedArrayConstructors = [
+  Uint8Array,
+  Int8Array,
+  Uint16Array,
+  Int16Array,
+  Uint32Array,
+  Int32Array,
+  Uint8ClampedArray,
+  Float32Array,
+  Float64Array];
+
+for (var constructor of typedArrayConstructors) {
+  assertEquals(1, constructor.prototype.fill.length);
+
+  assertArrayEquals(new constructor([]).fill(8), []);
+  assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8), [8, 8, 8, 8, 8]);
+  assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1), [0, 8, 8, 8, 8]);
+  assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 10), [0, 0, 0, 0, 0]);
+  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]);
+
+  // Test exceptions
+  assertThrows('constructor.prototype.fill.call(null)', TypeError);
+  assertThrows('constructor.prototype.fill.call(undefined)', TypeError);
+  assertThrows('constructor.prototype.fill.call([])', TypeError);
+}