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Add spec for curry4

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This commit is contained in:
Aaron Jensen 2015-08-12 00:53:29 -07:00
parent 50fe8155e1
commit 3857d33d1b
1 changed files with 15 additions and 1 deletions
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16
test/util/curry-spec.js
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@ -1,5 +1,5 @@
import { expect } from 'chai';
import { curry1, curry2, curry3 } from '../../lib/util/curry';
import { curry1, curry2, curry3, curry4 } from '../../lib/util/curry';
describe('curry1', () => {
it('can curry one arguments', () => {
@ -41,3 +41,17 @@ describe('curry3', () => {
expect(curried(1, 2, 3, 4, 5, 6)).to.eql([1, 2, 3, 4, 5]);
});
});
describe('curry4', () => {
it('can curry four arguments', () => {
const add = curry4((x, y, z, u) => x + y + z + u);
expect(add(3)(4)(5)(6)).to.equal(18);
expect(add()(3)()(4, 5, 6)).to.equal(18);
expect(add(3, 4, 5, 6)).to.equal(18);
});
it('will take up to two extra arguments', () => {
const curried = curry4((a, b, c, d, e, f) => [a, b, c, d, e, f]);
expect(curried(1, 2, 3, 4, 5, 6, 7)).to.eql([1, 2, 3, 4, 5, 6]);
});
});