npm and error messages

node_modules/buffer/test/is-buffer.js

@@ -0,0 +1,22 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var isBuffer = require('is-buffer')
+var test = require('tape')
+
+test('is-buffer tests', function (t) {
+  t.ok(isBuffer(new B(4)), 'new Buffer(4)')
+
+  t.notOk(isBuffer(undefined), 'undefined')
+  t.notOk(isBuffer(null), 'null')
+  t.notOk(isBuffer(''), 'empty string')
+  t.notOk(isBuffer(true), 'true')
+  t.notOk(isBuffer(false), 'false')
+  t.notOk(isBuffer(0), '0')
+  t.notOk(isBuffer(1), '1')
+  t.notOk(isBuffer(1.0), '1.0')
+  t.notOk(isBuffer('string'), 'string')
+  t.notOk(isBuffer({}), '{}')
+  t.notOk(isBuffer(function foo () {}), 'function foo () {}')
+
+  t.end()
+})