98 lines
4.8 KiB
Markdown
98 lines
4.8 KiB
Markdown
|
---
|
||
|
title: Balanced brackets
|
||
|
id: 594dc6c729e5700999302b45
|
||
|
challengeType: 5
|
||
|
videoUrl: ''
|
||
|
localeTitle: Suportes equilibrados
|
||
|
---
|
||
|
|
||
|
## Description
|
||
|
<section id="description"><p> Determine se uma string gerada de colchetes é balanceada; isto é, se consiste inteiramente de pares de parênteses de abertura / fechamento (nessa ordem), nenhum dos quais errar. </p> Exemplos: <p class="rosetta__paragraph"> (vazio) verdadeiro </p><p class="rosetta__paragraph"> <code>[]</code> verdadeiro </p><p class="rosetta__paragraph"> <code>][</code> falso </p><p class="rosetta__paragraph"> <code>[][]</code> verdadeiro </p><p class="rosetta__paragraph"> <code>][][</code> falso </p><p class="rosetta__paragraph"> <code>[]][[]</code> falso </p><p class="rosetta__paragraph"> <code>[[[[]]]]</code> verdadeiro </p></section>
|
||
|
|
||
|
## Instructions
|
||
|
<section id="instructions">
|
||
|
</section>
|
||
|
|
||
|
## Tests
|
||
|
<section id='tests'>
|
||
|
|
||
|
```yml
|
||
|
tests:
|
||
|
- text: <code>isBalanced</code> é uma função.
|
||
|
testString: 'assert(typeof isBalanced === "function", "<code>isBalanced</code> is a function.");'
|
||
|
- text: '<code>isBalanced("[]")</code> deve retornar true.'
|
||
|
testString: 'assert(isBalanced(testCases[0]), "<code>isBalanced("[]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("]][[[][][][]][")</code> deve retornar false.'
|
||
|
testString: 'assert(!isBalanced(testCases[1]), "<code>isBalanced("]][[[][][][]][")</code> should return false.");'
|
||
|
- text: '<code>isBalanced("[][[[[][][[[]]]]]]")</code> deve retornar true.'
|
||
|
testString: 'assert(isBalanced(testCases[2]), "<code>isBalanced("[][[[[][][[[]]]]]]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("][")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[3]), "<code>isBalanced("][")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("[[[]]]][[]")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[4]), "<code>isBalanced("[[[]]]][[]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("][[]")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[5]), "<code>isBalanced("][[]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("][[][]][[[]]")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[6]), "<code>isBalanced("][[][]][[[]]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("[[][]]][")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[7]), "<code>isBalanced("[[][]]][")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("[[[]]][[]]]][][[")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[8]), "<code>isBalanced("[[[]]][[]]]][][[")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("[]][[]]][[[[][]]")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[9]), "<code>isBalanced("[]][[]]][[[[][]]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("][]][[][")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[10]), "<code>isBalanced("][]][[][")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("[[]][[][]]")</code> deve retornar true.'
|
||
|
testString: 'assert(isBalanced(testCases[11]), "<code>isBalanced("[[]][[][]]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("[[]]")</code> deve retornar true.'
|
||
|
testString: 'assert(isBalanced(testCases[12]), "<code>isBalanced("[[]]")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("]][]][[]][[[")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[13]), "<code>isBalanced("]][]][[]][[[")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("][]][][[")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[14]), "<code>isBalanced("][]][][[")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("][][")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[15]), "<code>isBalanced("][][")</code> should return true.");'
|
||
|
- text: '<code>isBalanced("[[]]][][][[]][")</code> deve retornar true.'
|
||
|
testString: 'assert(!isBalanced(testCases[16]), "<code>isBalanced("[[]]][][][[]][")</code> should return true.");'
|
||
|
- text: <code>isBalanced("")</code> deve retornar true.
|
||
|
testString: 'assert(isBalanced(testCases[17]), "<code>isBalanced("")</code> should return true.");'
|
||
|
|
||
|
```
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Challenge Seed
|
||
|
<section id='challengeSeed'>
|
||
|
|
||
|
<div id='js-seed'>
|
||
|
|
||
|
```js
|
||
|
function isBalanced (str) {
|
||
|
// Good luck!
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
```
|
||
|
|
||
|
</div>
|
||
|
|
||
|
|
||
|
### After Test
|
||
|
<div id='js-teardown'>
|
||
|
|
||
|
```js
|
||
|
console.info('after the test');
|
||
|
```
|
||
|
|
||
|
</div>
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Solution
|
||
|
<section id='solution'>
|
||
|
|
||
|
```js
|
||
|
// solution required
|
||
|
```
|
||
|
</section>
|