83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
15 lines
700 B
JavaScript
15 lines
700 B
JavaScript
const {sortedLastIndexBy} = require('./_30s.js');
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test('sortedLastIndexBy is a Function', () => {
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expect(sortedLastIndexBy).toBeInstanceOf(Function);
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});
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test('Returns the highest index to insert the element without messing up the list order', () => {
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expect(sortedLastIndexBy([{ x: 4 }, { x: 5 }], { x: 4 }, o => o.x)).toBe(1);
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});
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test('Returns the highest index to insert the element without messing up the list order', () => {
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expect(sortedLastIndexBy([{ x: 5 }, { x: 4 }], { x: 5 }, o => o.x)).toBe(1);
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});
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test('Returns the highest index to insert the element without messing up the list order', () => {
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expect(sortedLastIndexBy([{ x: 4 }, { x: 5 }], { x: 3 }, o => o.x)).toBe(0);
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});
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