1/* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17import {BigintMath} from './bigint_math'; 18 19describe('BigintMath', () => { 20 it('divideAndRound()', () => { 21 expect(BigintMath.divideAndRound(0n, 10n)).toEqual(0n); 22 expect(BigintMath.divideAndRound(10n, 10n)).toEqual(1n); 23 expect(BigintMath.divideAndRound(10n, 6n)).toEqual(2n); 24 expect(BigintMath.divideAndRound(10n, 5n)).toEqual(2n); 25 expect(BigintMath.divideAndRound(10n, 4n)).toEqual(3n); 26 expect(() => BigintMath.divideAndRound(1n, 0n)).toThrowError(); 27 expect(BigintMath.divideAndRound(10000n + 4999n, 10000n)).toEqual(1n); 28 expect(BigintMath.divideAndRound(10000n + 5000n, 10000n)).toEqual(2n); 29 }); 30}); 31