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25 lines
958 B
25 lines
958 B
6 years ago
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var isBuffer = require('../')
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var test = require('tape')
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test('is-buffer', function (t) {
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t.equal(isBuffer(Buffer.alloc(4)), true, 'new Buffer(4)')
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t.equal(isBuffer(Buffer.allocUnsafeSlow(100)), true, 'SlowBuffer(100)')
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t.equal(isBuffer(undefined), false, 'undefined')
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t.equal(isBuffer(null), false, 'null')
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t.equal(isBuffer(''), false, 'empty string')
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t.equal(isBuffer(true), false, 'true')
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t.equal(isBuffer(false), false, 'false')
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t.equal(isBuffer(0), false, '0')
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t.equal(isBuffer(1), false, '1')
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t.equal(isBuffer(1.0), false, '1.0')
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t.equal(isBuffer('string'), false, 'string')
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t.equal(isBuffer({}), false, '{}')
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t.equal(isBuffer([]), false, '[]')
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t.equal(isBuffer(function foo () {}), false, 'function foo () {}')
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t.equal(isBuffer({ isBuffer: null }), false, '{ isBuffer: null }')
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t.equal(isBuffer({ isBuffer: function () { throw new Error() } }), false, '{ isBuffer: function () { throw new Error() } }')
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t.end()
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})
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