Version 1

[yaffs-website] / node_modules / node-uuid / test / compare_v1.js

diff --git a/node_modules/node-uuid/test/compare_v1.js b/node_modules/node-uuid/test/compare_v1.js
new file mode 100644 (file)
index 0000000..05af822
--- /dev/null
+++ b/node_modules/node-uuid/test/compare_v1.js
@@ -0,0 +1,63 @@
+var assert = require('assert'),
+    nodeuuid = require('../uuid'),
+    uuidjs = require('uuid-js'),
+    libuuid = require('uuid').generate,
+    util = require('util'),
+    exec = require('child_process').exec,
+    os = require('os');
+
+// On Mac Os X / macports there's only the ossp-uuid package that provides uuid
+// On Linux there's uuid-runtime which provides uuidgen
+var uuidCmd = os.type() === 'Darwin' ? 'uuid -1' : 'uuidgen -t';
+
+function compare(ids) {
+  console.log(ids);
+  for (var i = 0; i < ids.length; i++) {
+    var id = ids[i].split('-');
+    id = [id[2], id[1], id[0]].join('');
+    ids[i] = id;
+  }
+  var sorted = ([].concat(ids)).sort();
+
+  if (sorted.toString() !== ids.toString()) {
+    console.log('Warning: sorted !== ids');
+  } else {
+    console.log('everything in order!');
+  }
+}
+
+// Test time order of v1 uuids
+var ids = [];
+while (ids.length < 10e3) ids.push(nodeuuid.v1());
+
+var max = 10;
+console.log('node-uuid:');
+ids = [];
+for (var i = 0; i < max; i++) ids.push(nodeuuid.v1());
+compare(ids);
+
+console.log('');
+console.log('uuidjs:');
+ids = [];
+for (var i = 0; i < max; i++) ids.push(uuidjs.create(1).toString());
+compare(ids);
+
+console.log('');
+console.log('libuuid:');
+ids = [];
+var count = 0;
+var last = function() {
+  compare(ids);
+}
+var cb = function(err, stdout, stderr) {
+  ids.push(stdout.substring(0, stdout.length-1));
+  count++;
+  if (count < max) {
+    return next();
+  }
+  last();
+};
+var next = function() {
+  exec(uuidCmd, cb);
+};
+next();