Added affiliation IDs for the new affiliation determination.

chrome/browser/chromeos/login/users/affiliation_unittest.cc

Index: chrome/browser/chromeos/login/users/affiliation_unittest.cc
diff --git a/chrome/browser/chromeos/login/users/affiliation_unittest.cc b/chrome/browser/chromeos/login/users/affiliation_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6aa0a347f5fa3028d6c919b41da80528607306f6
--- /dev/null
+++ b/chrome/browser/chromeos/login/users/affiliation_unittest.cc
@@ -0,0 +1,108 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <set>
+#include <string>
+
+#include "chrome/browser/chromeos/login/users/affiliation.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+TEST(AffiliationTest, HaveCommonElementEmptySet) {
+  // Empty sets don't have common elements.
+  EXPECT_FALSE(
+      HaveCommonElement(std::set<std::string>(), std::set<std::string>()));
+
+  std::set<std::string> not_empty_set;
+  not_empty_set.insert("a");
+
+  // Only first set is empty. No common elements and no crash.
+  EXPECT_FALSE(HaveCommonElement(std::set<std::string>(), not_empty_set));
+  // Now the second set is empty.
+  EXPECT_FALSE(HaveCommonElement(not_empty_set, std::set<std::string>()));
+}
+
+TEST(AffiliationTest, HaveCommonElementNoOverlap) {
+  std::set<std::string> set1;
+  std::set<std::string> set2;
+
+  // No common elements.
+  set1.insert("a");
+  set1.insert("b");
+  set1.insert("c");
+
+  set2.insert("d");
+  set2.insert("e");
+  set2.insert("f");
+  EXPECT_FALSE(HaveCommonElement(set1, set2));
+}
+
+TEST(AffiliationTest, HaveCommonElementFirstAndLastIsCommon) {
+  std::set<std::string> set1;
+  std::set<std::string> set2;
+
+  // The common element is last in set1 and first in set2.
+  set1.insert("a");
+  set1.insert("b");
+  set1.insert("c");
+  set1.insert("d");  // String "d" is common.
+
+  set2.insert("d");
+  set2.insert("e");
+  set2.insert("f");
+
+  EXPECT_TRUE(HaveCommonElement(set1, set2));
+  EXPECT_TRUE(HaveCommonElement(set2, set1));
+}
+
+TEST(AffiliationTest, HaveCommonElementCommonInTheMiddle) {
+  std::set<std::string> set1;
+  std::set<std::string> set2;
+
+  // The common element is in the middle of the two sets.
+  set1.insert("b");
+  set1.insert("f");  // String "f" is common.
+  set1.insert("k");
+
+  set2.insert("c");
+  set2.insert("f");
+  set2.insert("j");
+
+  EXPECT_TRUE(HaveCommonElement(set1, set2));
+  EXPECT_TRUE(HaveCommonElement(set2, set1));
+}
+
+TEST(AffiliationTest, Generic) {
+  std::set<std::string> user_ids;    // User affiliation IDs.
+  std::set<std::string> device_ids;  // Device affiliation IDs.
+
+  EXPECT_FALSE(IsUserAffiliated(user_ids, device_ids, "", ""));
+
+  EXPECT_FALSE(IsUserAffiliated(user_ids, device_ids, "user", ""));
+
+  // Not valid email.
+  EXPECT_FALSE(IsUserAffiliated(user_ids, device_ids, "user", "user"));
+
+  EXPECT_FALSE(IsUserAffiliated(user_ids, device_ids, "user@notmanaged.com",
+                                "managed.com"));
+
+  EXPECT_TRUE(IsUserAffiliated(user_ids, device_ids, "user@managed.com",
+                               "managed.com"));
+
+  user_ids.insert("aaaa");  // Device IDs are empty -> compare email and domain.
+  EXPECT_TRUE(IsUserAffiliated(user_ids, device_ids, "user@managed.com",
+                               "managed.com"));
+
+  device_ids.insert("bbbb");  // Device and user IDs do not overlap.
+  EXPECT_FALSE(IsUserAffiliated(user_ids, device_ids, "user@managed.com",
+                                "managed.com"));
+
+  user_ids.insert("cccc");  // Device and user IDs do overlap.
+  device_ids.insert("cccc");
+  EXPECT_TRUE(IsUserAffiliated(user_ids, device_ids, "user@notmanaged.com",
+                               "managed.com"));
+}
+
+}  // namespace chromeos