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83 lines
2.9 KiB
83 lines
2.9 KiB
require('openzeppelin-test-helpers');
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const ArraysImpl = artifacts.require('ArraysImpl');
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contract('Arrays', function () {
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context('Even number of elements', function () {
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const EVEN_ELEMENTS_ARRAY = [11, 12, 13, 14, 15, 16, 17, 18, 19, 20];
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beforeEach(async function () {
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this.arrays = await ArraysImpl.new(EVEN_ELEMENTS_ARRAY);
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});
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it('should return correct index for the basic case', async function () {
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(await this.arrays.findUpperBound(16)).should.be.bignumber.equal('5');
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});
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it('should return 0 for the first element', async function () {
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(await this.arrays.findUpperBound(11)).should.be.bignumber.equal('0');
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});
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it('should return index of the last element', async function () {
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(await this.arrays.findUpperBound(20)).should.be.bignumber.equal('9');
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});
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it('should return first index after last element if searched value is over the upper boundary', async function () {
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(await this.arrays.findUpperBound(32)).should.be.bignumber.equal('10');
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});
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it('should return 0 for the element under the lower boundary', async function () {
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(await this.arrays.findUpperBound(2)).should.be.bignumber.equal('0');
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});
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});
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context('Odd number of elements', function () {
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const ODD_ELEMENTS_ARRAY = [11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21];
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beforeEach(async function () {
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this.arrays = await ArraysImpl.new(ODD_ELEMENTS_ARRAY);
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});
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it('should return correct index for the basic case', async function () {
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(await this.arrays.findUpperBound(16)).should.be.bignumber.equal('5');
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});
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it('should return 0 for the first element', async function () {
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(await this.arrays.findUpperBound(11)).should.be.bignumber.equal('0');
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});
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it('should return index of the last element', async function () {
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(await this.arrays.findUpperBound(21)).should.be.bignumber.equal('10');
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});
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it('should return first index after last element if searched value is over the upper boundary', async function () {
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(await this.arrays.findUpperBound(32)).should.be.bignumber.equal('11');
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});
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it('should return 0 for the element under the lower boundary', async function () {
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(await this.arrays.findUpperBound(2)).should.be.bignumber.equal('0');
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});
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});
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context('Array with gap', function () {
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const WITH_GAP_ARRAY = [11, 12, 13, 14, 15, 20, 21, 22, 23, 24];
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beforeEach(async function () {
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this.arrays = await ArraysImpl.new(WITH_GAP_ARRAY);
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});
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it('should return index of first element in next filled range', async function () {
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(await this.arrays.findUpperBound(17)).should.be.bignumber.equal('5');
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});
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});
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context('Empty array', function () {
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beforeEach(async function () {
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this.arrays = await ArraysImpl.new([]);
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});
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it('should always return 0 for empty array', async function () {
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(await this.arrays.findUpperBound(10)).should.be.bignumber.equal('0');
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});
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});
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});
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