81 lines
3.5 KiB
TypeScript
81 lines
3.5 KiB
TypeScript
import { Bytes, fromJS } from '../src/values';
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import './test-utils';
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describe('immutable byte arrays', () => {
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describe('Uint8Array methods', () => {
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const bs = Bytes.of(10, 20, 30, 40);
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it('should yield entries', () => {
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expect(fromJS(Array.from(bs.entries())))
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.is(fromJS([[0,10],[1,20],[2,30],[3,40]]));
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});
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it('should implement every', () => {
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expect(bs.every((b) => !(b & 1))).toBe(true);
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expect(bs.every((b) => b !== 50)).toBe(true);
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expect(!(bs.every((b) => b !== 20))).toBe(true);
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});
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// it('should implement find', () => {
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// assert.strictEqual(bs.find((b) => b > 20), 30);
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// assert.strictEqual(bs.find((b) => b > 50), void 0);
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// });
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// it('should implement findIndex', () => {
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// assert.strictEqual(bs.findIndex((b) => b > 20), 2);
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// assert.strictEqual(bs.findIndex((b) => b > 50), -1);
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// });
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// it('should implement forEach', () => {
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// const vs = [];
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// bs.forEach((b) => vs.push(b));
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// assert(is(fromJS(vs), fromJS([10, 20, 30, 40])));
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// });
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// it('should implement includes', () => {
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// assert(bs.includes(20));
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// assert(!bs.includes(50));
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// });
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// it('should implement indexOf', () => {
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// assert.strictEqual(bs.indexOf(20), 1);
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// assert.strictEqual(bs.indexOf(50), -1);
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// });
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// it('should implement join', () => assert.strictEqual(bs.join('-'), '10-20-30-40'));
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// it('should implement keys', () => {
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// assert(is(fromJS(Array.from(bs.keys())), fromJS([0,1,2,3])));
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// });
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// it('should implement values', () => {
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// assert(is(fromJS(Array.from(bs.values())), fromJS([10,20,30,40])));
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// });
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// it('should implement filter', () => {
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// assert(is(bs.filter((b) => b !== 30), Bytes.of(10,20,40)));
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// });
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// it('should implement slice', () => {
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// const vs = bs.slice(2);
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// assert(!Object.is(vs._view.buffer, bs._view.buffer));
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// assert.strictEqual(vs._view.buffer.byteLength, 2);
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// assert.strictEqual(vs.get(0), 30);
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// assert.strictEqual(vs.get(1), 40);
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// assert.strictEqual(vs.size, 2);
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// });
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// it('should implement subarray', () => {
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// const vs = bs.subarray(2);
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// assert(Object.is(vs._view.buffer, bs._view.buffer));
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// assert.strictEqual(vs._view.buffer.byteLength, 4);
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// assert.strictEqual(vs.get(0), 30);
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// assert.strictEqual(vs.get(1), 40);
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// assert.strictEqual(vs.size, 2);
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// });
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// it('should implement reverse', () => {
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// const vs = bs.reverse();
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// assert(!Object.is(vs._view.buffer, bs._view.buffer));
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// assert.strictEqual(bs.get(0), 10);
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// assert.strictEqual(bs.get(3), 40);
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// assert.strictEqual(vs.get(0), 40);
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// assert.strictEqual(vs.get(3), 10);
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// });
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// it('should implement sort', () => {
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// const vs = bs.reverse().sort();
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// assert(!Object.is(vs._view.buffer, bs._view.buffer));
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// assert.strictEqual(bs.get(0), 10);
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// assert.strictEqual(bs.get(3), 40);
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// assert.strictEqual(vs.get(0), 10);
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// assert.strictEqual(vs.get(3), 40);
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// });
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});
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});
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