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node_modules/is-buffer/test/basic.js 958 Bytes
ce4c83ff   wxy   初始提交
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  var isBuffer = require('../')
  var test = require('tape')
  
  test('is-buffer', function (t) {
    t.equal(isBuffer(Buffer.alloc(4)), true, 'new Buffer(4)')
    t.equal(isBuffer(Buffer.allocUnsafeSlow(100)), true, 'SlowBuffer(100)')
  
    t.equal(isBuffer(undefined), false, 'undefined')
    t.equal(isBuffer(null), false, 'null')
    t.equal(isBuffer(''), false, 'empty string')
    t.equal(isBuffer(true), false, 'true')
    t.equal(isBuffer(false), false, 'false')
    t.equal(isBuffer(0), false, '0')
    t.equal(isBuffer(1), false, '1')
    t.equal(isBuffer(1.0), false, '1.0')
    t.equal(isBuffer('string'), false, 'string')
    t.equal(isBuffer({}), false, '{}')
    t.equal(isBuffer([]), false, '[]')
    t.equal(isBuffer(function foo () {}), false, 'function foo () {}')
    t.equal(isBuffer({ isBuffer: null }), false, '{ isBuffer: null }')
    t.equal(isBuffer({ isBuffer: function () { throw new Error() } }), false, '{ isBuffer: function () { throw new Error() } }')
  
    t.end()
  })