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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.findindex
+es6id: 22.2.3.11
+description: >
+ Predicate called as F.call( thisArg, kValue, k, O ) for each array entry.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA(convertToBigInt([39, 2, 62]));
+ var results = [];
+ var result;
+
+ sample.foo = "bar"; // Ignores non integer index properties
+
+ sample.findIndex(function() {
+ results.push(arguments);
+ });
+
+ assert.sameValue(results.length, 3, "predicate is called for each index");
+
+ result = results[0];
+ assert.sameValue(result[0], convertToBigInt(39), "results[0][0] === 39, value");
+ assert.sameValue(result[1], 0, "results[0][1] === 0, index");
+ assert.sameValue(result[2], sample, "results[0][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[0].length === 3, arguments");
+
+ result = results[1];
+ assert.sameValue(result[0], convertToBigInt(2), "results[1][0] === 2, value");
+ assert.sameValue(result[1], 1, "results[1][1] === 1, index");
+ assert.sameValue(result[2], sample, "results[1][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[1].length === 3, arguments");
+
+ result = results[2];
+ assert.sameValue(result[0], convertToBigInt(62), "results[2][0] === 62, value");
+ assert.sameValue(result[1], 2, "results[2][1] === 2, index");
+ assert.sameValue(result[2], sample, "results[2][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[2].length === 3, arguments");
+});