node_modules

node_modules/buffer/test/slice.js

@@ -0,0 +1,37 @@
+if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
+var B = require('../').Buffer
+var test = require('tape')
+
+test('modifying buffer created by .slice() modifies original memory', function (t) {
+  if (!B.TYPED_ARRAY_SUPPORT) return t.end()
+
+  var buf1 = new B(26)
+  for (var i = 0; i < 26; i++) {
+    buf1[i] = i + 97 // 97 is ASCII a
+  }
+
+  var buf2 = buf1.slice(0, 3)
+  t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
+
+  buf2[0] = '!'.charCodeAt(0)
+  t.equal(buf1.toString('ascii', 0, buf2.length), '!bc')
+
+  t.end()
+})
+
+test('modifying parent buffer modifies .slice() buffer\'s memory', function (t) {
+  if (!B.TYPED_ARRAY_SUPPORT) return t.end()
+
+  var buf1 = new B(26)
+  for (var i = 0; i < 26; i++) {
+    buf1[i] = i + 97 // 97 is ASCII a
+  }
+
+  var buf2 = buf1.slice(0, 3)
+  t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
+
+  buf1[0] = '!'.charCodeAt(0)
+  t.equal(buf2.toString('ascii', 0, buf2.length), '!bc')
+
+  t.end()
+})