4.3 KiB
4.3 KiB
id | title | challengeType | videoUrl | localeTitle |
---|---|---|---|---|
587d8250367417b2b2512c60 | Create a Queue Class | 1 | Crie uma classe de fila |
Description
Instructions
Tests
tests:
- text: Sua classe <code>Queue</code> deve ter um método de <code>enqueue</code> .
testString: 'assert((function(){var test = new Queue(); return (typeof test.enqueue === "function")}()), "Your <code>Queue</code> class should have a <code>enqueue</code> method.");'
- text: Sua classe <code>Queue</code> deve ter um método de <code>Queue</code> <code>dequeue</code> .
testString: 'assert((function(){var test = new Queue(); return (typeof test.dequeue === "function")}()), "Your <code>Queue</code> class should have a <code>dequeue</code> method.");'
- text: Sua classe <code>Queue</code> deve ter um método <code>front</code> .
testString: 'assert((function(){var test = new Queue(); return (typeof test.front === "function")}()), "Your <code>Queue</code> class should have a <code>front</code> method.");'
- text: Sua classe <code>Queue</code> deve ter um método de <code>size</code> .
testString: 'assert((function(){var test = new Queue(); return (typeof test.size === "function")}()), "Your <code>Queue</code> class should have a <code>size</code> method.");'
- text: Sua classe <code>Queue</code> deve ter um método <code>isEmpty</code> .
testString: 'assert((function(){var test = new Queue(); return (typeof test.isEmpty === "function")}()), "Your <code>Queue</code> class should have an <code>isEmpty</code> method.");'
- text: O método de <code>dequeue</code> deve remover e retornar o elemento frontal da fila
testString: 'assert((function(){var test = new Queue(); test.enqueue("Smith"); return (test.dequeue() === "Smith")}()), "The <code>dequeue</code> method should remove and return the front element of the queue");'
- text: O método <code>front</code> deve retornar o valor do elemento frontal da fila
testString: 'assert((function(){var test = new Queue(); test.enqueue("Smith"); test.enqueue("John"); return (test.front() === "Smith")}()), "The <code>front</code> method should return value of the front element of the queue");'
- text: O método de <code>size</code> deve retornar o comprimento da fila
testString: 'assert((function(){var test = new Queue(); test.enqueue("Smith"); return (test.size() === 1)}()), "The <code>size</code> method should return the length of the queue");'
- text: O método <code>isEmpty</code> deve retornar <code>false</code> se houver elementos na fila
testString: 'assert((function(){var test = new Queue(); test.enqueue("Smith"); return !(test.isEmpty())}()), "The <code>isEmpty</code> method should return <code>false</code> if there are elements in the queue");'
Challenge Seed
function Queue () {
var collection = [];
this.print = function() {
console.log(collection);
};
// Only change code below this line
// Only change code above this line
}
Solution
// solution required