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react-native/Libraries/Utilities/differ/__tests__/matricesDiffer-test.js
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Michael Bolin 0b9ea60b4f Back out "Upgrade Prettier from 1.17 to 2.0.2."
Differential Revision: D20639755

fbshipit-source-id: 5028563f9cf0527a30b4259daac50cdc03934bfd
2020-03-24 21:47:35 -07:00

46 lines
1.2 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @emails oncall+react_native
*/
'use strict';
const matricesDiffer = require('../matricesDiffer');
describe('matricesDiffer', function() {
it('diffs matrices with single element', () => {
var x = [1];
var y = [2];
expect(matricesDiffer(x, y)).toBe(true);
x = [1];
y = [1];
expect(matricesDiffer(x, y)).toBe(false);
});
it('diffs matrices with different number of elements', () => {
var x = [1, 1, 1, 1];
var y = [1, 1, 1, 2];
expect(matricesDiffer(x, y)).toBe(true);
});
it('diffs matrices with 16 elements', () => {
var x = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
var y = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
expect(matricesDiffer(x, y)).toBe(false);
x = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
y = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1];
expect(matricesDiffer(x, y)).toBe(true);
x = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
y = [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
expect(matricesDiffer(x, y)).toBe(true);
});
});