--- /dev/null
+/*
+ * Copyright (c) 2020 The Regents of the University of California
+ * All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Bobby R. Bruce
+ */
+
+#include <gtest/gtest.h>
+
+#include "base/socket.hh"
+
+#define TEST_PORT_1 7893
+#define TEST_PORT_2 7894
+
+/*
+ * Socket.test tests socket.cc. It should be noted that some features of
+ * socket.cc have not been fully tested due to interaction with system-calls.
+ */
+
+class MockListenSocket : public ListenSocket
+{
+ public:
+ /*
+ * This mock Listen Socket is used to ensure the static variables are reset
+ * back to their default values after deconstruction (i.e., after a test
+ * has completed).
+ */
+ ~MockListenSocket()
+ {
+ cleanup();
+ }
+};
+
+TEST(SocketTest, DefaultBehavior)
+{
+ /*
+ * Tests the default behavior where listenSocket is constructed, and is
+ * not listening to a port.
+ */
+ MockListenSocket listen_socket;
+ EXPECT_EQ(-1, listen_socket.getfd());
+ EXPECT_FALSE(listen_socket.islistening());
+ EXPECT_FALSE(listen_socket.allDisabled());
+}
+
+TEST(SocketTest, DisableAll)
+{
+ MockListenSocket listen_socket;
+ listen_socket.disableAll();
+ EXPECT_EQ(-1, listen_socket.getfd());
+ EXPECT_FALSE(listen_socket.islistening());
+ EXPECT_TRUE(listen_socket.allDisabled());
+}
+
+TEST(SocketTest, ListenToPort)
+{
+ MockListenSocket listen_socket;
+ EXPECT_TRUE(listen_socket.listen(TEST_PORT_1));
+ EXPECT_NE(-1, listen_socket.getfd());
+ EXPECT_TRUE(listen_socket.islistening());
+ EXPECT_FALSE(listen_socket.allDisabled());
+}
+
+TEST(SocketTest, ListenToPortReuseFalse)
+{
+ MockListenSocket listen_socket;
+ /*
+ * The ListenSocket object should have the same state regardless as to
+ * whether reuse is true or false (it is true by default).
+ */
+ EXPECT_TRUE(listen_socket.listen(TEST_PORT_1, false));
+ EXPECT_NE(-1, listen_socket.getfd());
+ EXPECT_TRUE(listen_socket.islistening());
+ EXPECT_FALSE(listen_socket.allDisabled());
+}
+
+TEST(SocketTest, RelistenWithSameInstanceSamePort)
+{
+ MockListenSocket listen_socket;
+ EXPECT_TRUE(listen_socket.listen(TEST_PORT_1));
+
+ /*
+ * You cannot listen to another port if you are already listening to one.
+ */
+ testing::internal::CaptureStderr();
+ EXPECT_ANY_THROW(listen_socket.listen(TEST_PORT_1));
+ std::string expected = "panic: Socket already listening!\n";
+ std::string actual = testing::internal::GetCapturedStderr().substr();
+
+ /*
+ * The GoogleExitLogger will output using the following:
+ * `std::cerr << loc.file << ":" << loc.line << ": " << s;`
+ * As we do not care about the file and line where the error originated
+ * (this may change, and it shouldn't break the test when this happens),
+ * we strip out the leading `<file>:<line>: ` (we simply remove everything
+ * prior to two characters after the second colon in the string).
+ */
+ actual = actual.substr(actual.find(":", actual.find(":") + 1) + 2);
+ EXPECT_EQ(expected, actual);
+}
+
+TEST(SocketTest, RelistenWithSameInstanceDifferentPort)
+{
+ MockListenSocket listen_socket;
+ EXPECT_TRUE(listen_socket.listen(TEST_PORT_1));
+
+ /*
+ * You cannot listen to another port if you are already listening to one.
+ */
+ testing::internal::CaptureStderr();
+ EXPECT_ANY_THROW(listen_socket.listen(TEST_PORT_2));
+
+ std::string expected = "panic: Socket already listening!\n";
+ std::string actual = testing::internal::GetCapturedStderr().substr();
+ actual = actual.substr(actual.find(":", actual.find(":") + 1) + 2);
+ EXPECT_EQ(expected, actual);
+}
+
+TEST(SocketTest, RelistenWithDifferentInstanceOnDifferentPort)
+{
+ MockListenSocket listen_socket;
+ EXPECT_TRUE(listen_socket.listen(TEST_PORT_1));
+
+ /*
+ * You can listen to another port with a different instance.
+ */
+ MockListenSocket listen_socket_2;
+ EXPECT_TRUE(listen_socket_2.listen(TEST_PORT_2));
+}
+
+TEST(SocketTest, RelistenWithDifferentInstanceOnSamePort)
+{
+ MockListenSocket listen_socket;
+ EXPECT_TRUE(listen_socket.listen(TEST_PORT_1));
+
+ /*
+ * You cannot listen to a port that's already being listened to.
+ */
+ MockListenSocket listen_socket_2;
+ EXPECT_FALSE(listen_socket_2.listen(TEST_PORT_1));
+}
+
+TEST(SocketTest, AcceptError)
+{
+ MockListenSocket listen_socket;
+ EXPECT_EQ(-1, listen_socket.accept());
+}
projects / gem5.git / commitdiff