diff options
Diffstat (limited to 'node_modules/typedarray-to-buffer/test')
-rw-r--r-- | node_modules/typedarray-to-buffer/test/basic.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/node_modules/typedarray-to-buffer/test/basic.js b/node_modules/typedarray-to-buffer/test/basic.js new file mode 100644 index 0000000..3521096 --- /dev/null +++ b/node_modules/typedarray-to-buffer/test/basic.js @@ -0,0 +1,50 @@ +var test = require('tape') +var toBuffer = require('../') + +test('convert to buffer from Uint8Array', function (t) { + if (typeof Uint8Array !== 'undefined') { + var arr = new Uint8Array([1, 2, 3]) + arr = toBuffer(arr) + + t.deepEqual(arr, Buffer.from([1, 2, 3]), 'contents equal') + t.ok(Buffer.isBuffer(arr), 'is buffer') + t.equal(arr.readUInt8(0), 1) + t.equal(arr.readUInt8(1), 2) + t.equal(arr.readUInt8(2), 3) + } else { + t.pass('browser lacks Uint8Array support, skip test') + } + t.end() +}) + +test('convert to buffer from another arrayview type (Uint32Array)', function (t) { + if (typeof Uint32Array !== 'undefined' && Buffer.TYPED_ARRAY_SUPPORT !== false) { + var arr = new Uint32Array([1, 2, 3]) + arr = toBuffer(arr) + + t.deepEqual(arr, Buffer.from([1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0]), 'contents equal') + t.ok(Buffer.isBuffer(arr), 'is buffer') + t.equal(arr.readUInt32LE(0), 1) + t.equal(arr.readUInt32LE(4), 2) + t.equal(arr.readUInt32LE(8), 3) + t.equal(arr instanceof Uint8Array, true) + } else { + t.pass('browser lacks Uint32Array support, skip test') + } + t.end() +}) + +test('convert to buffer from ArrayBuffer', function (t) { + if (typeof Uint32Array !== 'undefined' && Buffer.TYPED_ARRAY_SUPPORT !== false) { + var arr = new Uint32Array([1, 2, 3]).subarray(1, 2) + arr = toBuffer(arr) + + t.deepEqual(arr, Buffer.from([2, 0, 0, 0]), 'contents equal') + t.ok(Buffer.isBuffer(arr), 'is buffer') + t.equal(arr.readUInt32LE(0), 2) + t.equal(arr instanceof Uint8Array, true) + } else { + t.pass('browser lacks ArrayBuffer support, skip test') + } + t.end() +}) |