node-vitals
Version:
Do more with less. A simple, high-performing, functional JavaScript library.
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JavaScript
/**
* -----------------------------------------------------------------------------
* VITALS UNIT TESTS: vitals.get.indexes
* -----------------------------------------------------------------------------
* @section base
* @see [vitals.get docs](https://github.com/imaginate/vitals/wiki/vitals.get)
* @see [test api](https://github.com/imaginate/vitals/blob/master/test/setup/interface.js)
* @see [test helpers](https://github.com/imaginate/vitals/blob/master/test/setup/helpers.js)
*
* @author Adam Smith <adam@imaginate.life> (https://github.com/imaginate)
* @copyright 2017 Adam A Smith <adam@imaginate.life> (https://github.com/imaginate)
*
* Annotations:
* @see [JSDoc3](http://usejsdoc.org)
* @see [Closure Compiler JSDoc Syntax](https://developers.google.com/closure/compiler/docs/js-for-compiler)
*/
method('get.indexes', 'get.ii', function() {
should('return array of all indexes', function() {
test('<array>', function() {
var arr = [ 'a', 'b', 'c' ];
var keys = vitals.get.ii(arr);
assert( is.arr(keys) );
assert( keys[0] === 0 );
assert( keys[1] === 1 );
assert( keys[2] === 2 );
assert( keys.length === 3 );
});
});
should('return array of indexes where value === val', function() {
test('<array>', 2, function() {
var arr = [ 1, 2, 1, 2 ];
var keys = vitals.get.ii(arr, 2);
assert( is.arr(keys) );
assert( keys[0] === 1 );
assert( keys[1] === 3 );
assert( keys.length === 2 );
});
test('<array>', '2', function() {
var arr = [ 1, 2, 1, 2 ];
var keys = vitals.get.ii(arr, '2');
assert( is.arr(keys) );
assert( keys.length === 0 );
});
});
should('return array of indexes where substring matches val', function() {
test('abc123', /[a-z]/, function() {
var keys = vitals.get.ii('abc123', /[a-z]/);
assert( is.arr(keys) );
assert( keys[0] === 0 );
assert( keys[1] === 1 );
assert( keys[2] === 2 );
assert( keys.length === 3 );
});
test('abc123', 5, function() {
var keys = vitals.get.ii('abc123', 5);
assert( is.arr(keys) );
assert( keys.length === 0 );
});
test('abc123', 3, function() {
var keys = vitals.get.ii('abc123', 3);
assert( is.arr(keys) );
assert( keys[0] === 5 );
assert( keys.length === 1 );
});
test('abc123abc123', 'a', function() {
var keys = vitals.get.ii('abc123abc123', 'a');
assert( is.arr(keys) );
assert( keys[0] === 0 );
assert( keys[1] === 6 );
assert( keys.length === 2 );
});
});
should('throw an error', function() {
test(function() {
assert.throws(function() {
vitals.get.indexes();
}, validTypeErr);
});
test(null, function() {
assert.throws(function() {
vitals.get.indexes(null);
}, validTypeErr);
});
test('str', function() {
assert.throws(function() {
vitals.get.indexes('str');
}, validErr);
});
});
});