From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?= Date: Wed, 29 Nov 2017 11:44:34 +0300 Subject: Initial commit, version 0.5.3 --- .../arraybuffer.slice/test/slice-buffer.js | 227 +++++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100644 node_modules/arraybuffer.slice/test/slice-buffer.js (limited to 'node_modules/arraybuffer.slice/test') diff --git a/node_modules/arraybuffer.slice/test/slice-buffer.js b/node_modules/arraybuffer.slice/test/slice-buffer.js new file mode 100644 index 0000000..4778da6 --- /dev/null +++ b/node_modules/arraybuffer.slice/test/slice-buffer.js @@ -0,0 +1,227 @@ +/* + * 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); + }); + }); +}); -- cgit v1.2.3