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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
es6id: 22.1.3.9
description: >
Return index if predicate return a boolean true value.
info: |
22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
...
8. Repeat, while k < len
...
d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
e. ReturnIfAbrupt(testResult).
f. If testResult is true, return k.
...
features: [Symbol]
---*/
var arr = ['Shoes', 'Car', 'Bike'];
var called = 0;
var result = arr.findIndex(function(val) {
called++;
return true;
});
assert.sameValue(result, 0);
assert.sameValue(called, 1, 'predicate was called once');
called = 0;
result = arr.findIndex(function(val) {
called++;
return val === 'Bike';
});
assert.sameValue(called, 3, 'predicate was called three times');
assert.sameValue(result, 2);
result = arr.findIndex(function(val) {
return 'string';
});
assert.sameValue(result, 0, 'coerced string');
result = arr.findIndex(function(val) {
return {};
});
assert.sameValue(result, 0, 'coerced object');
result = arr.findIndex(function(val) {
return Symbol('');
});
assert.sameValue(result, 0, 'coerced Symbol');
result = arr.findIndex(function(val) {
return 1;
});
assert.sameValue(result, 0, 'coerced number');
result = arr.findIndex(function(val) {
return -1;
});
assert.sameValue(result, 0, 'coerced negative number');
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