1 files changed, 83 insertions, 0 deletions
diff --git a/deps/npm/node_modules/node-uuid/test/test.js b/deps/npm/node_modules/node-uuid/test/test.js
new file mode 100644
index 0000000000..5037566eac
--- /dev/null
+++ b/deps/npm/node_modules/node-uuid/test/test.js
@@ -0,0 +1,83 @@
+if (typeof(uuid) == 'undefined') {
+  uuid = require('../uuid');
+}
+
+var UUID_FORMAT = /[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[89a-fAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}/;
+var N = 1e5;
+
+function log(msg) {
+  if (typeof(document) != 'undefined') {
+    document.write('<div>' + msg + '</div>');
+  }
+  if (typeof(console) != 'undefined') {
+    console.log(msg);
+  }
+}
+
+function rate(msg, t) {
+  log(msg + ': ' + (N / (Date.now() - t) * 1e3 | 0) + ' uuids/second');
+}
+
+// Perf tests
+log('- - - Performance Data - - -');
+for (var i = 0, t = Date.now(); i < N; i++) uuid();
+rate('uuid()', t);
+for (var i = 0, t = Date.now(); i < N; i++) uuid('binary');
+rate('uuid(\'binary\')', t);
+var buf = new uuid.BufferClass(16);
+for (var i = 0, t = Date.now(); i < N; i++) uuid('binary', buf);
+rate('uuid(\'binary\', buffer)', t);
+
+var counts = {}, max = 0;
+
+var b  = new uuid.BufferClass(16);
+for (var i = 0; i < N; i++) {
+  id = uuid();
+  if (!UUID_FORMAT.test(id)) {
+    throw Error(id + ' is not a valid UUID string');
+  }
+
+  if (id != uuid.unparse(uuid.parse(id))) {
+    throw Error(id + ' does not parse/unparse');
+  }
+
+  // Count digits for our randomness check
+  var digits = id.replace(/-/g, '').split('');
+  for (var j = digits.length-1; j >= 0; j--) {
+    var c = digits[j];
+    max = Math.max(max, counts[c] = (counts[c] || 0) + 1);
+  }
+}
+
+// Get %'age an actual value differs from the ideal value
+function divergence(actual, ideal) {
+  return Math.round(100*100*(actual - ideal)/ideal)/100;
+}
+
+log('<br />- - - Distribution of Hex Digits (% deviation from ideal) - - -');
+
+// Check randomness
+for (var i = 0; i < 16; i++) {
+  var c = i.toString(16);
+  var bar = '', n = counts[c], p = Math.round(n/max*100|0);
+
+  // 1-3,5-8, and D-F: 1:16 odds over 30 digits
+  var ideal = N*30/16;
+  if (i == 4) {
+    // 4: 1:1 odds on 1 digit, plus 1:16 odds on 30 digits
+    ideal = N*(1 + 30/16);
+  } else if (i >= 8 && i <= 11) {
+    // 8-B: 1:4 odds on 1 digit, plus 1:16 odds on 30 digits
+    ideal = N*(1/4 + 30/16);
+  } else {
+    // Otherwise: 1:16 odds on 30 digits
+    ideal = N*30/16;
+  }
+  var d = divergence(n, ideal);
+
+  // Draw bar using UTF squares (just for grins)
+  var s = n/max*50 | 0;
+  while (s--) bar += '=';
+
+  log(c + ' |' + bar + '| ' + counts[c] + ' (' + d + '%)');
+}