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Fix issue #98.

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Oleksii Trekhleb
2018-07-13 17:48:27 +03:00
parent fafa52c26e
commit 863dbdbac3
2 changed files with 12 additions and 0 deletions
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3
src/data-structures/tree/binary-search-tree/BinarySearchTreeNode.js
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@ -132,6 +132,9 @@ export default class BinarySearchTreeNode extends BinaryTreeNode {
} }
} }
// Clear the parent of removed node.
nodeToRemove.parent = null;
return true; return true;
} }

9
src/data-structures/tree/binary-search-tree/__test__/BinarySearchTreeNode.test.js
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@ -243,4 +243,13 @@ describe('BinarySearchTreeNode', () => {
expect(bstNode.findMin().value).toEqual(obj1); expect(bstNode.findMin().value).toEqual(obj1);
}); });
it('should abandon removed node', () => {
const rootNode = new BinarySearchTreeNode('foo');
rootNode.insert('bar');
const childNode = rootNode.find('bar');
rootNode.remove('bar');
expect(childNode.parent).toBeNull();
});
}); });