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387 lines
15 KiB
387 lines
15 KiB
#include "ares-test.h" |
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#include "dns-proto.h" |
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#include <stdio.h> |
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extern "C" { |
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// Remove command-line defines of package variables for the test project... |
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#undef PACKAGE_NAME |
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#undef PACKAGE_BUGREPORT |
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#undef PACKAGE_STRING |
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#undef PACKAGE_TARNAME |
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// ... so we can include the library's config without symbol redefinitions. |
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#include "ares_config.h" |
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#include "ares_nowarn.h" |
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#include "ares_inet_net_pton.h" |
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#include "ares_data.h" |
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#include "ares_private.h" |
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#include "bitncmp.h" |
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#ifdef HAVE_ARPA_INET_H |
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#include <arpa/inet.h> |
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#endif |
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} |
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#include <string> |
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#include <vector> |
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namespace ares { |
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namespace test { |
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#ifndef CARES_SYMBOL_HIDING |
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void CheckPtoN4(int size, unsigned int value, const char *input) { |
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struct in_addr a4; |
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a4.s_addr = 0; |
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uint32_t expected = htonl(value); |
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EXPECT_EQ(size, ares_inet_net_pton(AF_INET, input, &a4, sizeof(a4))) |
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<< " for input " << input; |
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EXPECT_EQ(expected, a4.s_addr) << " for input " << input; |
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} |
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#endif |
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TEST_F(LibraryTest, InetPtoN) { |
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struct in_addr a4; |
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struct in6_addr a6; |
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#ifndef CARES_SYMBOL_HIDING |
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uint32_t expected; |
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CheckPtoN4(4 * 8, 0x01020304, "1.2.3.4"); |
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CheckPtoN4(4 * 8, 0x81010101, "129.1.1.1"); |
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CheckPtoN4(4 * 8, 0xC0010101, "192.1.1.1"); |
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CheckPtoN4(4 * 8, 0xE0010101, "224.1.1.1"); |
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CheckPtoN4(4 * 8, 0xE1010101, "225.1.1.1"); |
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CheckPtoN4(4, 0xE0000000, "224"); |
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CheckPtoN4(4 * 8, 0xFD000000, "253"); |
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CheckPtoN4(4 * 8, 0xF0010101, "240.1.1.1"); |
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CheckPtoN4(4 * 8, 0x02030405, "02.3.4.5"); |
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CheckPtoN4(3 * 8, 0x01020304, "1.2.3.4/24"); |
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CheckPtoN4(3 * 8, 0x01020300, "1.2.3/24"); |
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CheckPtoN4(2 * 8, 0xa0000000, "0xa"); |
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CheckPtoN4(0, 0x02030405, "2.3.4.5/000"); |
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CheckPtoN4(1 * 8, 0x01020000, "1.2/8"); |
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CheckPtoN4(2 * 8, 0x01020000, "0x0102/16"); |
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CheckPtoN4(4 * 8, 0x02030405, "02.3.4.5"); |
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EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "::", &a6, sizeof(a6))); |
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EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "::1", &a6, sizeof(a6))); |
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EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "1234:5678::", &a6, sizeof(a6))); |
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EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ff", &a6, sizeof(a6))); |
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EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4", &a6, sizeof(a6))); |
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EXPECT_EQ(23, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4/23", &a6, sizeof(a6))); |
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EXPECT_EQ(3 * 8, ares_inet_net_pton(AF_INET6, "12:34::ff/24", &a6, sizeof(a6))); |
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EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "12:34::ff/0", &a6, sizeof(a6))); |
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EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ffff:0.2", &a6, sizeof(a6))); |
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EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234", &a6, sizeof(a6))); |
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// Various malformed versions |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, " ", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x ", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "x0", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0xXYZZY", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "xyzzy", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET+AF_INET6, "1.2.3.4", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "257.2.3.4", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "002.3.4.x", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "00.3.4.x", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.x", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5.6", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5.6/12", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4:5", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/120", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/1x", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/x", &a4, sizeof(a4))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/240", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/02", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/2y", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/y", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":x", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ": :1234", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "::12345", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234::2345:3456::0011", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234::", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1.2.3.4", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":1234:1234:1234:1234:1234:1234:1234:1234", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":1234:1234:1234:1234:1234:1234:1234:1234:", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678", &a6, sizeof(a6))); |
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// TODO(drysdale): check whether the next two tests should give -1. |
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EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678:5678", &a6, sizeof(a6))); |
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EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678:5678:5678", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:257.2.3.4", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:002.2.3.4", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4.5.6", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4.5", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.z", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3001.4", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3..4", &a6, sizeof(a6))); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.", &a6, sizeof(a6))); |
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// Hex constants are allowed. |
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EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x01020304", &a4, sizeof(a4))); |
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expected = htonl(0x01020304); |
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EXPECT_EQ(expected, a4.s_addr); |
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EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x0a0b0c0d", &a4, sizeof(a4))); |
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expected = htonl(0x0a0b0c0d); |
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EXPECT_EQ(expected, a4.s_addr); |
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EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x0A0B0C0D", &a4, sizeof(a4))); |
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expected = htonl(0x0a0b0c0d); |
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EXPECT_EQ(expected, a4.s_addr); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0xyz", &a4, sizeof(a4))); |
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EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x1122334", &a4, sizeof(a4))); |
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expected = htonl(0x11223340); |
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EXPECT_EQ(expected, a4.s_addr); // huh? |
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// No room, no room. |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "1.2.3.4", &a4, sizeof(a4) - 1)); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff", &a6, sizeof(a6) - 1)); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x01020304", &a4, 2)); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x01020304", &a4, 0)); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0a0b0c0d", &a4, 0)); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0xyz", &a4, 0)); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x1122334", &a4, sizeof(a4) - 1)); |
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EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "253", &a4, sizeof(a4) - 1)); |
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#endif |
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EXPECT_EQ(1, ares_inet_pton(AF_INET, "1.2.3.4", &a4)); |
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EXPECT_EQ(1, ares_inet_pton(AF_INET6, "12:34::ff", &a6)); |
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EXPECT_EQ(1, ares_inet_pton(AF_INET6, "12:34::ffff:1.2.3.4", &a6)); |
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EXPECT_EQ(0, ares_inet_pton(AF_INET, "xyzzy", &a4)); |
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EXPECT_EQ(-1, ares_inet_pton(AF_INET+AF_INET6, "1.2.3.4", &a4)); |
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} |
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TEST_F(LibraryTest, FreeCorruptData) { |
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// ares_free_data(p) expects that there is a type field and a marker |
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// field in the memory before p. Feed it incorrect versions of each. |
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struct ares_data *data = (struct ares_data *)malloc(sizeof(struct ares_data)); |
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void* p = &(data->data); |
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// Invalid type |
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data->type = (ares_datatype)99; |
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data->mark = ARES_DATATYPE_MARK; |
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ares_free_data(p); |
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// Invalid marker |
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data->type = (ares_datatype)ARES_DATATYPE_MX_REPLY; |
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data->mark = ARES_DATATYPE_MARK + 1; |
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ares_free_data(p); |
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// Null pointer |
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ares_free_data(nullptr); |
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free(data); |
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} |
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#ifndef CARES_SYMBOL_HIDING |
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TEST(LibraryInit, StrdupFailures) { |
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EXPECT_EQ(ARES_SUCCESS, ares_library_init(ARES_LIB_INIT_ALL)); |
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char* copy = ares_strdup("string"); |
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EXPECT_NE(nullptr, copy); |
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free(copy); |
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ares_library_cleanup(); |
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} |
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TEST_F(LibraryTest, StrdupFailures) { |
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SetAllocFail(1); |
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char* copy = ares_strdup("string"); |
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EXPECT_EQ(nullptr, copy); |
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} |
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TEST_F(LibraryTest, MallocDataFail) { |
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EXPECT_EQ(nullptr, ares_malloc_data((ares_datatype)99)); |
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SetAllocSizeFail(sizeof(struct ares_data)); |
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EXPECT_EQ(nullptr, ares_malloc_data(ARES_DATATYPE_MX_REPLY)); |
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} |
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TEST(Misc, Bitncmp) { |
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byte a[4] = {0x80, 0x01, 0x02, 0x03}; |
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byte b[4] = {0x80, 0x01, 0x02, 0x04}; |
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byte c[4] = {0x01, 0xFF, 0x80, 0x02}; |
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EXPECT_GT(0, ares__bitncmp(a, b, sizeof(a)*8)); |
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EXPECT_LT(0, ares__bitncmp(b, a, sizeof(a)*8)); |
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EXPECT_EQ(0, ares__bitncmp(a, a, sizeof(a)*8)); |
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for (int ii = 1; ii < (3*8+5); ii++) { |
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EXPECT_EQ(0, ares__bitncmp(a, b, ii)); |
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EXPECT_EQ(0, ares__bitncmp(b, a, ii)); |
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EXPECT_LT(0, ares__bitncmp(a, c, ii)); |
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EXPECT_GT(0, ares__bitncmp(c, a, ii)); |
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} |
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// Last byte differs at 5th bit |
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EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 3)); |
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EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 4)); |
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EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 5)); |
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EXPECT_GT(0, ares__bitncmp(a, b, 3*8 + 6)); |
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EXPECT_GT(0, ares__bitncmp(a, b, 3*8 + 7)); |
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} |
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TEST_F(LibraryTest, Casts) { |
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ssize_t ssz = 100; |
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unsigned int u = 100; |
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int i = 100; |
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long l = 100; |
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unsigned int ru = aresx_sztoui(ssz); |
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EXPECT_EQ(u, ru); |
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int ri = aresx_sztosi(ssz); |
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EXPECT_EQ(i, ri); |
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ri = aresx_sltosi(l); |
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EXPECT_EQ(l, (long)ri); |
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} |
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TEST_F(LibraryTest, ReadLine) { |
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TempFile temp("abcde\n0123456789\nXYZ\n012345678901234567890\n\n"); |
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FILE *fp = fopen(temp.filename(), "r"); |
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size_t bufsize = 4; |
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char *buf = (char *)malloc(bufsize); |
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EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ("abcde", std::string(buf)); |
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EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ("0123456789", std::string(buf)); |
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EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ("XYZ", std::string(buf)); |
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SetAllocFail(1); |
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EXPECT_EQ(ARES_ENOMEM, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ(nullptr, buf); |
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fclose(fp); |
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free(buf); |
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} |
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TEST_F(LibraryTest, ReadLineNoBuf) { |
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TempFile temp("abcde\n0123456789\nXYZ\n012345678901234567890"); |
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FILE *fp = fopen(temp.filename(), "r"); |
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size_t bufsize = 0; |
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char *buf = nullptr; |
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SetAllocFail(1); |
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EXPECT_EQ(ARES_ENOMEM, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ("abcde", std::string(buf)); |
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EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ("0123456789", std::string(buf)); |
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EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ("XYZ", std::string(buf)); |
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EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); |
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EXPECT_EQ("012345678901234567890", std::string(buf)); |
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fclose(fp); |
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free(buf); |
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} |
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TEST(Misc, GetHostent) { |
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TempFile hostsfile("1.2.3.4 example.com \n" |
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" 2.3.4.5\tgoogle.com www.google.com\twww2.google.com\n" |
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"#comment\n" |
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"4.5.6.7\n" |
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"1.3.5.7 \n" |
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"::1 ipv6.com"); |
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struct hostent *host = nullptr; |
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FILE *fp = fopen(hostsfile.filename(), "r"); |
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ASSERT_NE(nullptr, fp); |
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EXPECT_EQ(ARES_EBADFAMILY, ares__get_hostent(fp, AF_INET+AF_INET6, &host)); |
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rewind(fp); |
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EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET, &host)); |
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ASSERT_NE(nullptr, host); |
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std::stringstream ss1; |
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ss1 << HostEnt(host); |
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EXPECT_EQ("{'example.com' aliases=[] addrs=[1.2.3.4]}", ss1.str()); |
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ares_free_hostent(host); |
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host = nullptr; |
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EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET, &host)); |
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ASSERT_NE(nullptr, host); |
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std::stringstream ss2; |
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ss2 << HostEnt(host); |
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EXPECT_EQ("{'google.com' aliases=[www.google.com, www2.google.com] addrs=[2.3.4.5]}", ss2.str()); |
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ares_free_hostent(host); |
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host = nullptr; |
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EXPECT_EQ(ARES_EOF, ares__get_hostent(fp, AF_INET, &host)); |
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rewind(fp); |
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EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET6, &host)); |
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ASSERT_NE(nullptr, host); |
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std::stringstream ss3; |
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ss3 << HostEnt(host); |
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EXPECT_EQ("{'ipv6.com' aliases=[] addrs=[0000:0000:0000:0000:0000:0000:0000:0001]}", ss3.str()); |
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ares_free_hostent(host); |
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host = nullptr; |
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EXPECT_EQ(ARES_EOF, ares__get_hostent(fp, AF_INET6, &host)); |
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fclose(fp); |
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} |
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TEST_F(LibraryTest, GetHostentAllocFail) { |
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TempFile hostsfile("1.2.3.4 example.com alias1 alias2\n"); |
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struct hostent *host = nullptr; |
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FILE *fp = fopen(hostsfile.filename(), "r"); |
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ASSERT_NE(nullptr, fp); |
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for (int ii = 1; ii <= 8; ii++) { |
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rewind(fp); |
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ClearFails(); |
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SetAllocFail(ii); |
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host = nullptr; |
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EXPECT_EQ(ARES_ENOMEM, ares__get_hostent(fp, AF_INET, &host)) << ii; |
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} |
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fclose(fp); |
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} |
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#endif |
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#ifdef CARES_EXPOSE_STATICS |
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// These tests access internal static functions from the library, which |
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// are only exposed when CARES_EXPOSE_STATICS has been configured. As such |
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// they are tightly couple to the internal library implementation details. |
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extern "C" char *ares_striendstr(const char*, const char*); |
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TEST_F(LibraryTest, Striendstr) { |
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EXPECT_EQ(nullptr, ares_striendstr("abc", "12345")); |
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EXPECT_NE(nullptr, ares_striendstr("abc12345", "12345")); |
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EXPECT_NE(nullptr, ares_striendstr("abcxyzzy", "XYZZY")); |
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EXPECT_NE(nullptr, ares_striendstr("xyzzy", "XYZZY")); |
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EXPECT_EQ(nullptr, ares_striendstr("xyxzy", "XYZZY")); |
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EXPECT_NE(nullptr, ares_striendstr("", "")); |
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const char *str = "plugh"; |
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EXPECT_NE(nullptr, ares_striendstr(str, str)); |
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} |
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extern "C" int single_domain(ares_channel, const char*, char**); |
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TEST_F(DefaultChannelTest, SingleDomain) { |
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TempFile aliases("www www.google.com\n"); |
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EnvValue with_env("HOSTALIASES", aliases.filename()); |
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|
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SetAllocSizeFail(128); |
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char *ptr = nullptr; |
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EXPECT_EQ(ARES_ENOMEM, single_domain(channel_, "www", &ptr)); |
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|
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channel_->flags |= ARES_FLAG_NOSEARCH|ARES_FLAG_NOALIASES; |
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EXPECT_EQ(ARES_SUCCESS, single_domain(channel_, "www", &ptr)); |
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EXPECT_EQ("www", std::string(ptr)); |
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free(ptr); |
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ptr = nullptr; |
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|
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SetAllocFail(1); |
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EXPECT_EQ(ARES_ENOMEM, single_domain(channel_, "www", &ptr)); |
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EXPECT_EQ(nullptr, ptr); |
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} |
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#endif |
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|
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TEST_F(DefaultChannelTest, SaveInvalidChannel) { |
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int saved = channel_->nservers; |
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channel_->nservers = -1; |
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struct ares_options opts; |
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int optmask = 0; |
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EXPECT_EQ(ARES_ENODATA, ares_save_options(channel_, &opts, &optmask)); |
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channel_->nservers = saved; |
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} |
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|
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} // namespace test |
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} // namespace ares
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