sdfsdfs

node_modules/buffer/test/basic.js

@@ -0,0 +1,85 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('instanceof Buffer', function (t) {
+  var buf = new B([1, 2])
+  t.ok(buf instanceof B)
+  t.end()
+})
+
+test('convert to Uint8Array in modern browsers', function (t) {
+  if (B.TYPED_ARRAY_SUPPORT) {
+    var buf = new B([1, 2])
+    var uint8array = new Uint8Array(buf.buffer)
+    t.ok(uint8array instanceof Uint8Array)
+    t.equal(uint8array[0], 1)
+    t.equal(uint8array[1], 2)
+  } else {
+    t.pass('object impl: skipping test')
+  }
+  t.end()
+})
+
+test('indexes from a string', function (t) {
+  var buf = new B('abc')
+  t.equal(buf[0], 97)
+  t.equal(buf[1], 98)
+  t.equal(buf[2], 99)
+  t.end()
+})
+
+test('indexes from an array', function (t) {
+  var buf = new B([ 97, 98, 99 ])
+  t.equal(buf[0], 97)
+  t.equal(buf[1], 98)
+  t.equal(buf[2], 99)
+  t.end()
+})
+
+test('setting index value should modify buffer contents', function (t) {
+  var buf = new B([ 97, 98, 99 ])
+  t.equal(buf[2], 99)
+  t.equal(buf.toString(), 'abc')
+
+  buf[2] += 10
+  t.equal(buf[2], 109)
+  t.equal(buf.toString(), 'abm')
+  t.end()
+})
+
+test('storing negative number should cast to unsigned', function (t) {
+  var buf = new B(1)
+
+  if (B.TYPED_ARRAY_SUPPORT) {
+    // This does not work with the object implementation -- nothing we can do!
+    buf[0] = -3
+    t.equal(buf[0], 253)
+  }
+
+  buf = new B(1)
+  buf.writeInt8(-3, 0)
+  t.equal(buf[0], 253)
+
+  t.end()
+})
+
+test('test that memory is copied from array-like', function (t) {
+  if (B.TYPED_ARRAY_SUPPORT) {
+    var u = new Uint8Array(4)
+    var b = new B(u)
+    b[0] = 1
+    b[1] = 2
+    b[2] = 3
+    b[3] = 4
+
+    t.equal(u[0], 0)
+    t.equal(u[1], 0)
+    t.equal(u[2], 0)
+    t.equal(u[3], 0)
+  } else {
+    t.pass('object impl: skipping test')
+  }
+
+  t.end()
+})