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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.findindex
description: >
The range of elements processed is set before the first call to `predicate`.
info: |
22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
...
6. If thisArg was supplied, let T be thisArg; else let T be undefined.
7. Let k be 0.
8. Repeat, while k < len
...
d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
...
---*/
var arr = ['Shoes', 'Car', 'Bike'];
var results = [];
arr.findIndex(function(kValue) {
if (results.length === 0) {
arr.splice(1, 1);
}
results.push(kValue);
});
assert.sameValue(results.length, 3, 'predicate called three times');
assert.sameValue(results[0], 'Shoes');
assert.sameValue(results[1], 'Bike');
assert.sameValue(results[2], undefined);
results = [];
arr = ['Skateboard', 'Barefoot'];
arr.findIndex(function(kValue) {
if (results.length === 0) {
arr.push('Motorcycle');
arr[1] = 'Magic Carpet';
}
results.push(kValue);
});
assert.sameValue(results.length, 2, 'predicate called twice');
assert.sameValue(results[0], 'Skateboard');
assert.sameValue(results[1], 'Magic Carpet');
reportCompare(0, 0);
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