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+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%typedarray%.prototype.includes
+description: returns true for found index
+info: |
+ 22.2.3.13 %TypedArray%.prototype.includes ( searchElement [ , fromIndex ] )
+
+ %TypedArray%.prototype.includes is a distinct function that implements the
+ same algorithm as Array.prototype.includes as defined in 22.1.3.11 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ 22.1.3.11 Array.prototype.includes ( searchElement [ , fromIndex ] )
+
+ ...
+ 5. If n ≥ 0, then
+ a. Let k be n.
+ 6. Else n < 0,
+ a. Let k be len + n.
+ b. If k < 0, let k be 0.
+ 7. Repeat, while k < len
+ a. Let elementK be the result of ? Get(O, ! ToString(k)).
+ b. If SameValueZero(searchElement, elementK) is true, return true.
+ c. Increase k by 1.
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA([42, 43, 42, 41]);
+ assert.sameValue(sample.includes(42), true, "includes(42)");
+ assert.sameValue(sample.includes(43), true, "includes(43)");
+ assert.sameValue(sample.includes(43, 1), true, "includes(43, 1)");
+ assert.sameValue(sample.includes(42, 1), true, "includes(42, 1)");
+ assert.sameValue(sample.includes(42, 2), true, "includes(42, 2)");
+
+ assert.sameValue(sample.includes(42, -4), true, "includes(42, -4)");
+ assert.sameValue(sample.includes(42, -3), true, "includes(42, -3)");
+ assert.sameValue(sample.includes(42, -2), true, "includes(42, -2)");
+ assert.sameValue(sample.includes(42, -5), true, "includes(42, -5)");
+});
+
+reportCompare(0, 0);