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scripts/node_modules/bl/test/isBufferList.js

@@ -0,0 +1,32 @@
+'use strict'
+
+const tape = require('tape')
+const { BufferList, BufferListStream } = require('../')
+const { Buffer } = require('buffer')
+
+tape('isBufferList positives', (t) => {
+  t.ok(BufferList.isBufferList(new BufferList()))
+  t.ok(BufferList.isBufferList(new BufferListStream()))
+
+  t.end()
+})
+
+tape('isBufferList negatives', (t) => {
+  const types = [
+    null,
+    undefined,
+    NaN,
+    true,
+    false,
+    {},
+    [],
+    Buffer.alloc(0),
+    [Buffer.alloc(0)]
+  ]
+
+  for (const obj of types) {
+    t.notOk(BufferList.isBufferList(obj))
+  }
+
+  t.end()
+})