Melvin Valster
21 lines
710 B
TypeScript
21 lines
710 B
TypeScript
import im from 'immutable'
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import { setPointsInTree } from './tree'
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it('sets points on an empty tree', () => {
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const tree = im.List()
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expect(setPointsInTree(tree, 2, 5).toJS()).toEqual([0, 0, 5])
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})
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it('sets points in the end of the current range', () => {
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const tree = im.List([0, 1])
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expect(setPointsInTree(tree, 2, 5).toJS()).toEqual([0, 1, 5])
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})
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it('sets points in the middle of the current range', () => {
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const tree = im.List([0, 0, 0, 0, 0, 0, 5])
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expect(setPointsInTree(tree, 2, 5).toJS()).toEqual([0, 0, 5, 0, 0, 0, 5])
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})
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it('does not mutate the tree for points already set', () => {
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const tree = im.List([0, 3, 2, 0, 5])
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expect(setPointsInTree(tree, 1, 3)).toStrictEqual(tree)
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}) |