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fix(learn): type checking and additional test for isBalanced binary search tree (#40323)

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* Update find-the-minimum-and-maximum-height-of-a-binary-search-tree.md

* fixed binary search tree values for balanced tree test

* Apply suggestions from code review

Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>

Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>
This commit is contained in:
ngschaider
2020-11-27 05:33:45 +01:00
committed by GitHub
parent 4079a197fe
commit 6c5304980d
1 changed files with 4 additions and 2 deletions
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curriculum/challenges/english/10-coding-interview-prep/data-structures/find-the-minimum-and-maximum-height-of-a-binary-search-tree.md
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@ -36,8 +36,10 @@ tests:
testString: assert((function() { var test = false; if (typeof BinarySearchTree !== 'undefined') { test = new BinarySearchTree() } else { return false; }; if (typeof test.findMaxHeight !== 'function') { return false; }; test.add(4); test.add(1); test.add(7); test.add(87); test.add(34); test.add(45); test.add(73); test.add(8); return (test.findMaxHeight() == 5); })());
- text: An empty tree should return a height of <code>-1</code>.
testString: assert((function() { var test = false; if (typeof BinarySearchTree !== 'undefined') { test = new BinarySearchTree() } else { return false; }; if (typeof test.findMaxHeight !== 'function') { return false; }; return (test.findMaxHeight() == -1); })());
- text: The <code>isBalanced</code> method should return true if the tree is a balanced binary search tree.
testString: assert((function() { var test = false; if (typeof BinarySearchTree !== 'undefined') { test = new BinarySearchTree() } else { return false; }; if (typeof test.isBalanced !== 'function') { return false; }; test.add(4); test.add(1); test.add(7); test.add(87); test.add(34); test.add(45); test.add(73); test.add(8); return !test.isBalanced(); })());
- text: The <code>isBalanced</code> method should return <code>false</code> if the tree is an unbalanced binary search tree.
testString: assert((function() { var test = false; if (typeof BinarySearchTree !== 'undefined') { test = new BinarySearchTree() } else { return false; }; if (typeof test.isBalanced !== 'function') { return false; }; test.add(4); test.add(1); test.add(7); test.add(87); test.add(34); test.add(45); test.add(73); test.add(8); return test.isBalanced() === false; })());
- text: The <code>isBalanced</code> method should return <code>true</code> if the tree is a balanced binary search tree.
testString: assert((function() { var test = false; if (typeof BinarySearchTree !== 'undefined') { test = new BinarySearchTree() } else { return false; }; if (typeof test.isBalanced !== 'function') { return false; }; test.add(10); test.add(3); test.add(22); test.add(1); test.add(4); test.add(17); test.add(32); return test.isBalanced() === true; })());
```
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