test/net: new unit tests

test/meson.build

@@ -18,6 +18,8 @@ gtest_dep = declare_dependency(
   compile_args: gtest_compile_args,
 )
 
+subdir('net')
+
 executable(
   'ParseSongFilter',
   'ParseSongFilter.cxx',

test/net/TestIPv4Address.cxx

+/*
+ * Copyright 2012-2019 Max Kellermann <max.kellermann@gmail.com>
+ *
+ * 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.
+ *
+ * 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
+ * FOUNDATION 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.
+ */
+
+#include "net/IPv4Address.hxx"
+#include "net/ToString.hxx"
+
+#include <gtest/gtest.h>
+
+#include <stdexcept>
+
+#include <arpa/inet.h>
+
+static std::string
+ToString(const struct in_addr &a)
+{
+	char buffer[256];
+	const char *result = inet_ntop(AF_INET, &a, buffer, sizeof(buffer));
+	if (result == nullptr)
+		throw std::runtime_error("inet_ntop() failed");
+	return result;
+}
+
+TEST(IPv4Address, Octets)
+{
+	static constexpr auto a = IPv4Address(11, 22, 33, 44, 1234);
+	EXPECT_EQ(ToString(a.GetAddress()), "11.22.33.44");
+}
+
+TEST(IPv4Address, Any)
+{
+	EXPECT_EQ(ToString(IPv4Address(1234).GetAddress()), "0.0.0.0");
+	EXPECT_EQ(ToString(IPv4Address(1234)), "0.0.0.0:1234");
+}
+
+TEST(IPv4Address, Port)
+{
+	EXPECT_EQ(IPv4Address(0).GetPort(), 0);
+	EXPECT_EQ(IPv4Address(1).GetPort(), 1);
+	EXPECT_EQ(IPv4Address(1234).GetPort(), 1234);
+	EXPECT_EQ(IPv4Address(0xffff).GetPort(), 0xffff);
+}
+
+TEST(IPv4Address, Loopback)
+{
+	static constexpr auto a = IPv4Address(IPv4Address::Loopback(), 1234);
+	EXPECT_EQ(ToString(a.GetAddress()), "127.0.0.1");
+}
+
+TEST(IPv4Address, MaskFromPrefix)
+{
+	EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(0).GetAddress()), "0.0.0.0");
+	EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(4).GetAddress()), "240.0.0.0");
+	EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(8).GetAddress()), "255.0.0.0");
+	EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(16).GetAddress()), "255.255.0.0");
+	EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(24).GetAddress()), "255.255.255.0");
+	EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(31).GetAddress()), "255.255.255.254");
+	EXPECT_EQ(ToString(IPv4Address::MaskFromPrefix(32).GetAddress()), "255.255.255.255");
+}
+
+TEST(IPv4Address, Numeric)
+{
+	EXPECT_EQ(IPv4Address(1, 2, 3, 4, 0).GetNumericAddress(), 0x01020304);
+	EXPECT_EQ(IPv4Address(1, 2, 3, 4, 0).GetNumericAddressBE(), htonl(0x01020304));
+}

test/net/TestIPv6Address.cxx

+/*
+ * Copyright 2012-2019 Max Kellermann <max.kellermann@gmail.com>
+ *
+ * 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.
+ *
+ * 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
+ * FOUNDATION 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.
+ */
+
+#include "net/IPv6Address.hxx"
+#include "net/ToString.hxx"
+
+#include <gtest/gtest.h>
+
+#include <stdexcept>
+
+#include <arpa/inet.h>
+
+static std::string
+ToString(const struct in6_addr &a)
+{
+	char buffer[256];
+	const char *result = inet_ntop(AF_INET6, &a, buffer, sizeof(buffer));
+	if (result == nullptr)
+		throw std::runtime_error("inet_ntop() failed");
+	return result;
+}
+
+TEST(IPv6Address, Octets)
+{
+	static constexpr auto a = IPv6Address(0x1110, 0x2220, 0x3330, 0x4440,
+					      0x5550, 0x6660, 0x7770, 0x8880,
+					      1234);
+	EXPECT_EQ(ToString(a.GetAddress()), "1110:2220:3330:4440:5550:6660:7770:8880");
+}
+
+TEST(IPv6Address, Any)
+{
+	EXPECT_EQ(ToString(IPv6Address(1234).GetAddress()), "::");
+	EXPECT_EQ(ToString(IPv6Address(1234)), "[::]:1234");
+}
+
+TEST(IPv6Address, Port)
+{
+	EXPECT_EQ(IPv6Address(0).GetPort(), 0);
+	EXPECT_EQ(IPv6Address(1).GetPort(), 1);
+	EXPECT_EQ(IPv6Address(1234).GetPort(), 1234);
+	EXPECT_EQ(IPv6Address(0xffff).GetPort(), 0xffff);
+}
+
+TEST(IPv6Address, MaskFromPrefix)
+{
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(0).GetAddress()), "::");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(1).GetAddress()), "8000::");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(8).GetAddress()), "ff00::");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(16).GetAddress()), "ffff::");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(17).GetAddress()), "ffff:8000::");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(32).GetAddress()), "ffff:ffff::");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(64).GetAddress()), "ffff:ffff:ffff:ffff::");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(112).GetAddress()), "ffff:ffff:ffff:ffff:ffff:ffff:ffff:0");
+	EXPECT_EQ(ToString(IPv6Address::MaskFromPrefix(128).GetAddress()), "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff");
+}

test/net/TestLocalSocketAddress.cxx

+/*
+ * Copyright 2012-2019 Max Kellermann <max.kellermann@gmail.com>
+ *
+ * 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.
+ *
+ * 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
+ * FOUNDATION 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.
+ */
+
+#include "net/AllocatedSocketAddress.hxx"
+#include "net/ToString.hxx"
+
+#include <gtest/gtest.h>
+
+#include <sys/un.h>
+
+TEST(LocalSocketAddress, Path)
+{
+	const char *path = "/run/foo/bar.socket";
+	AllocatedSocketAddress a;
+	a.SetLocal(path);
+	EXPECT_FALSE(a.IsNull());
+	EXPECT_TRUE(a.IsDefined());
+	EXPECT_EQ(a.GetFamily(), AF_LOCAL);
+	EXPECT_EQ(ToString(a), path);
+
+	const auto &sun = *(const struct sockaddr_un *)a.GetAddress();
+	EXPECT_STREQ(sun.sun_path, path);
+	EXPECT_EQ(sun.sun_path + strlen(path) + 1, (const char *)a.GetAddress() + a.GetSize());
+}
+
+#ifdef __linux__
+
+TEST(LocalSocketAddress, Abstract)
+{
+	const char *path = "@foo.bar";
+	AllocatedSocketAddress a;
+	a.SetLocal(path);
+	EXPECT_FALSE(a.IsNull());
+	EXPECT_TRUE(a.IsDefined());
+	EXPECT_EQ(a.GetFamily(), AF_LOCAL);
+	EXPECT_EQ(ToString(a), path);
+
+	const auto &sun = *(const struct sockaddr_un *)a.GetAddress();
+
+	/* Linux's abstract sockets start with a null byte, ... */
+	EXPECT_EQ(sun.sun_path[0], 0);
+
+	/* ... but are not null-terminated */
+	EXPECT_STREQ(sun.sun_path + 1, path + 1);
+	EXPECT_EQ(sun.sun_path + strlen(path), (const char *)a.GetAddress() + a.GetSize());
+}
+
+#endif

test/net/meson.build

+test_net_sources = []
+
+if have_tcp
+  test_net_sources += 'TestIPv4Address.cxx'
+  if have_ipv6
+    test_net_sources += 'TestIPv6Address.cxx'
+  endif
+endif
+
+if have_local_socket
+  test_net_sources += 'TestLocalSocketAddress.cxx'
+endif
+
+test(
+  'TestNet',
+  executable(
+    'TestNet',
+    test_net_sources,
+    include_directories: inc,
+    dependencies: [
+      net_dep,
+      gtest_dep,
+    ],
+  ),
+)