add all files

node_modules/buffer-from/test.js

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+var bufferFrom = require('./')
+var assert = require('assert')
+
+assert.equal(bufferFrom([1, 2, 3, 4]).toString('hex'), '01020304')
+
+var arr = new Uint8Array([1, 2, 3, 4])
+assert.equal(bufferFrom(arr.buffer, 1, 2).toString('hex'), '0203')
+
+assert.equal(bufferFrom('test', 'utf8').toString('hex'), '74657374')
+
+var buf = bufferFrom('test')
+assert.equal(bufferFrom(buf).toString('hex'), '74657374')