it('computes exclusive keys with no first argument', () => {
const a = null;
const b = {x: true, y: true, z: true};
expect(filterExclusiveKeys(a, b)).toEqual([
[],
['x', 'y', 'z'],
]);
});
it('computes exclusive keys with an empty second argument', () => {
const a = {x: true, y: true, z: true};
const b = {};
expect(filterExclusiveKeys(a, b)).toEqual([
['x', 'y', 'z'],
[],
]);
});
it('computes exclusive keys between two objects with overlap', () => {
const a = {v: true, w: true, x: true};
const b = {x: true, y: true, z: true};
expect(filterExclusiveKeys(a, b)).toEqual([
['v', 'w'],
['y', 'z'],
]);
});