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![]() Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /proc/self/root/home/real/node_modules/arraybuffer.slice/test/ |
/* * Test dependencies */ var sliceBuffer = require('../index.js'); var expect = require('expect.js'); /** * Tests */ describe('sliceBuffer', function() { describe('using standard slice', function() { it('should slice correctly with only start provided', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, 3); var sabv = new Uint8Array(sliced); for (var i = 3, ii = 0; i < abv.length; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with start and end provided', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, 3, 8); var sabv = new Uint8Array(sliced); for (var i = 3, ii = 0; i < 8; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with negative start', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, -3); var sabv = new Uint8Array(sliced); for (var i = abv.length - 3, ii = 0; i < abv.length; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with negative end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, 0, -3); var sabv = new Uint8Array(sliced); for (var i = 0, ii = 0; i < abv.length - 3; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with negative start and end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, -6, -3); var sabv = new Uint8Array(sliced); for (var i = abv.length - 6, ii = 0; i < abv.length - 3; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with equal start and end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, 1, 1); expect(sliced.byteLength).to.equal(0); }); it('should slice correctly when end larger than buffer', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, 0, 100); expect(new Uint8Array(sliced)).to.eql(abv); }); it('shoud slice correctly when start larger than end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var sliced = sliceBuffer(abv.buffer, 6, 5); expect(sliced.byteLength).to.equal(0); }); }); describe('using fallback', function() { it('should slice correctly with only start provided', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, 3); var sabv = new Uint8Array(sliced); for (var i = 3, ii = 0; i < abv.length; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with start and end provided', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, 3, 8); var sabv = new Uint8Array(sliced); for (var i = 3, ii = 0; i < 8; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with negative start', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, -3); var sabv = new Uint8Array(sliced); for (var i = abv.length - 3, ii = 0; i < abv.length; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with negative end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, 0, -3); var sabv = new Uint8Array(sliced); for (var i = 0, ii = 0; i < abv.length - 3; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with negative start and end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, -6, -3); var sabv = new Uint8Array(sliced); for (var i = abv.length - 6, ii = 0; i < abv.length - 3; i++, ii++) { expect(abv[i]).to.equal(sabv[ii]); } }); it('should slice correctly with equal start and end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, 1, 1); expect(sliced.byteLength).to.equal(0); }); it('should slice correctly when end larger than buffer', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, 0, 100); var sabv = new Uint8Array(sliced); for (var i = 0; i < abv.length; i++) { expect(abv[i]).to.equal(sabv[i]); } }); it('shoud slice correctly when start larger than end', function() { var abv = new Uint8Array(10); for (var i = 0; i < abv.length; i++) { abv[i] = i; } var ab = abv.buffer; ab.slice = undefined; var sliced = sliceBuffer(ab, 6, 5); expect(sliced.byteLength).to.equal(0); }); }); });