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Update repo structure. #13

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merged 1 commit into from
Jun 10, 2018
Merged

Update repo structure. #13

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5 changes: 4 additions & 1 deletion __tests__/getCertain.test.js
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Original file line number Diff line number Diff line change
@@ -1,15 +1,18 @@
// flow
// @flow
import getCertain from '../src';

describe('getCertain', () => {
describe('invariants', () => {
it('throws if "map" is undefined.', () => {
// $FlowFixMe
expect(() => getCertain()).toThrow('"map" must be a Map.');
});
it('throws if "map" is not a Map-like object.', () => {
// $FlowFixMe
expect(() => getCertain({has: 3})).toThrow('"map" must be a Map.');
});
it('throws if "message" is not a string or undefined.', () => {
// $FlowFixMe
expect(() => getCertain(new Map(), 1, 1)).toThrow(
'"message" must be a string or undefined.',
);
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