4.1 KiB
4.1 KiB
id | title | challengeType |
---|---|---|
587d8250367417b2b2512c60 | Create a Queue Class | 1 |
Description
Instructions
Tests
tests:
- text: Your <code>Queue</code> class should have a <code>enqueue</code> method.
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: Your <code>Queue</code> class should have a <code>dequeue</code> method.
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: Your <code>Queue</code> class should have a <code>front</code> method.
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: Your <code>Queue</code> class should have a <code>size</code> method.
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: Your <code>Queue</code> class should have an <code>isEmpty</code> method.
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: The <code>dequeue</code> method should remove and return the front element of the queue
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: The <code>front</code> method should return value of the front element of the queue
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: The <code>size</code> method should return the length of the queue
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: The <code>isEmpty</code> method should return <code>false</code> if there are elements in the queue
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