Move cros_network_functions.cc to src/chromeos

chromeos/network/network_util_unittest.cc

+// Copyright (c) 2012 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 "chromeos/network/network_util.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+using chromeos::network_util::NetmaskToPrefixLength;
+using chromeos::network_util::PrefixLengthToNetmask;
+
+typedef testing::Test NetworkUtilTest;
+
+TEST_F(NetworkUtilTest, NetmaskToPrefixLength) {
+  // Valid netmasks
+  EXPECT_EQ(32, NetmaskToPrefixLength("255.255.255.255"));
+  EXPECT_EQ(31, NetmaskToPrefixLength("255.255.255.254"));
+  EXPECT_EQ(30, NetmaskToPrefixLength("255.255.255.252"));
+  EXPECT_EQ(29, NetmaskToPrefixLength("255.255.255.248"));
+  EXPECT_EQ(28, NetmaskToPrefixLength("255.255.255.240"));
+  EXPECT_EQ(27, NetmaskToPrefixLength("255.255.255.224"));
+  EXPECT_EQ(26, NetmaskToPrefixLength("255.255.255.192"));
+  EXPECT_EQ(25, NetmaskToPrefixLength("255.255.255.128"));
+  EXPECT_EQ(24, NetmaskToPrefixLength("255.255.255.0"));
+  EXPECT_EQ(23, NetmaskToPrefixLength("255.255.254.0"));
+  EXPECT_EQ(22, NetmaskToPrefixLength("255.255.252.0"));
+  EXPECT_EQ(21, NetmaskToPrefixLength("255.255.248.0"));
+  EXPECT_EQ(20, NetmaskToPrefixLength("255.255.240.0"));
+  EXPECT_EQ(19, NetmaskToPrefixLength("255.255.224.0"));
+  EXPECT_EQ(18, NetmaskToPrefixLength("255.255.192.0"));
+  EXPECT_EQ(17, NetmaskToPrefixLength("255.255.128.0"));
+  EXPECT_EQ(16, NetmaskToPrefixLength("255.255.0.0"));
+  EXPECT_EQ(15, NetmaskToPrefixLength("255.254.0.0"));
+  EXPECT_EQ(14, NetmaskToPrefixLength("255.252.0.0"));
+  EXPECT_EQ(13, NetmaskToPrefixLength("255.248.0.0"));
+  EXPECT_EQ(12, NetmaskToPrefixLength("255.240.0.0"));
+  EXPECT_EQ(11, NetmaskToPrefixLength("255.224.0.0"));
+  EXPECT_EQ(10, NetmaskToPrefixLength("255.192.0.0"));
+  EXPECT_EQ(9, NetmaskToPrefixLength("255.128.0.0"));
+  EXPECT_EQ(8, NetmaskToPrefixLength("255.0.0.0"));
+  EXPECT_EQ(7, NetmaskToPrefixLength("254.0.0.0"));
+  EXPECT_EQ(6, NetmaskToPrefixLength("252.0.0.0"));
+  EXPECT_EQ(5, NetmaskToPrefixLength("248.0.0.0"));
+  EXPECT_EQ(4, NetmaskToPrefixLength("240.0.0.0"));
+  EXPECT_EQ(3, NetmaskToPrefixLength("224.0.0.0"));
+  EXPECT_EQ(2, NetmaskToPrefixLength("192.0.0.0"));
+  EXPECT_EQ(1, NetmaskToPrefixLength("128.0.0.0"));
+  EXPECT_EQ(0, NetmaskToPrefixLength("0.0.0.0"));
+  // Invalid netmasks
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.255.255"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.255.0"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.256"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.1"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.240.255"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.0.0.255"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255.255.255.FF"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255,255,255,255"));
+  EXPECT_EQ(-1, NetmaskToPrefixLength("255 255 255 255"));
+}
+
+TEST_F(NetworkUtilTest, PrefixLengthToNetmask) {
+  // Valid Prefix Lengths
+  EXPECT_EQ("255.255.255.255", PrefixLengthToNetmask(32));
+  EXPECT_EQ("255.255.255.254", PrefixLengthToNetmask(31));
+  EXPECT_EQ("255.255.255.252", PrefixLengthToNetmask(30));
+  EXPECT_EQ("255.255.255.248", PrefixLengthToNetmask(29));
+  EXPECT_EQ("255.255.255.240", PrefixLengthToNetmask(28));
+  EXPECT_EQ("255.255.255.224", PrefixLengthToNetmask(27));
+  EXPECT_EQ("255.255.255.192", PrefixLengthToNetmask(26));
+  EXPECT_EQ("255.255.255.128", PrefixLengthToNetmask(25));
+  EXPECT_EQ("255.255.255.0", PrefixLengthToNetmask(24));
+  EXPECT_EQ("255.255.254.0", PrefixLengthToNetmask(23));
+  EXPECT_EQ("255.255.252.0", PrefixLengthToNetmask(22));
+  EXPECT_EQ("255.255.248.0", PrefixLengthToNetmask(21));
+  EXPECT_EQ("255.255.240.0", PrefixLengthToNetmask(20));
+  EXPECT_EQ("255.255.224.0", PrefixLengthToNetmask(19));
+  EXPECT_EQ("255.255.192.0", PrefixLengthToNetmask(18));
+  EXPECT_EQ("255.255.128.0", PrefixLengthToNetmask(17));
+  EXPECT_EQ("255.255.0.0", PrefixLengthToNetmask(16));
+  EXPECT_EQ("255.254.0.0", PrefixLengthToNetmask(15));
+  EXPECT_EQ("255.252.0.0", PrefixLengthToNetmask(14));
+  EXPECT_EQ("255.248.0.0", PrefixLengthToNetmask(13));
+  EXPECT_EQ("255.240.0.0", PrefixLengthToNetmask(12));
+  EXPECT_EQ("255.224.0.0", PrefixLengthToNetmask(11));
+  EXPECT_EQ("255.192.0.0", PrefixLengthToNetmask(10));
+  EXPECT_EQ("255.128.0.0", PrefixLengthToNetmask(9));
+  EXPECT_EQ("255.0.0.0", PrefixLengthToNetmask(8));
+  EXPECT_EQ("254.0.0.0", PrefixLengthToNetmask(7));
+  EXPECT_EQ("252.0.0.0", PrefixLengthToNetmask(6));
+  EXPECT_EQ("248.0.0.0", PrefixLengthToNetmask(5));
+  EXPECT_EQ("240.0.0.0", PrefixLengthToNetmask(4));
+  EXPECT_EQ("224.0.0.0", PrefixLengthToNetmask(3));
+  EXPECT_EQ("192.0.0.0", PrefixLengthToNetmask(2));
+  EXPECT_EQ("128.0.0.0", PrefixLengthToNetmask(1));
+  EXPECT_EQ("0.0.0.0", PrefixLengthToNetmask(0));
+  // Invalid Prefix Lengths
+  EXPECT_EQ("", PrefixLengthToNetmask(-1));
+  EXPECT_EQ("", PrefixLengthToNetmask(33));
+  EXPECT_EQ("", PrefixLengthToNetmask(255));
+}