52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
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#include <gtest/gtest.h>
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#include "ipv4_helpers.h"
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/*
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* Internet Protocol Version 4, Src: 192.168.36.103, Dst: 192.168.40.137
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* 0100 .... = Version: 4
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* .... 0101 = Header Length: 20 bytes (5)
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* Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
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* 0000 00.. = Differentiated Services Codepoint: Default (0)
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* .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)
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* Total Length: 44
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* Identification: 0xffff (65535)
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* 001. .... = Flags: 0x1, More fragments
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* 0... .... = Reserved bit: Not set
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* .0.. .... = Don't fragment: Not set
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* ..1. .... = More fragments: Set
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* ...0 0000 0000 0000 = Fragment Offset: 0
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* Time to Live: 127
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* Protocol: TCP (6)
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* Header Checksum: 0x4d8b [correct]
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* [Header checksum status: Good]
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* [Calculated Checksum: 0x4d8b]
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* Source Address: 192.168.36.103
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* Destination Address: 192.168.40.137
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* [Reassembled IPv4 in frame: 5]
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* Data (24 bytes)
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*/
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unsigned char hdr[] = {0x45, 0x00, 0x00, 0x2c, 0xff, 0xff, 0x20, 0x00, 0x7f, 0x06, 0x4d, 0x8b, 0xc0, 0xa8, 0x24, 0x67, 0xc0, 0xa8, 0x28, 0x89};
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TEST(IPV4_HELPERS, GET)
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{
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EXPECT_TRUE(ipv4_hdr_get_ipid((struct ip *)hdr) == 65535);
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EXPECT_TRUE(ipv4_hdr_get_flags((struct ip *)hdr) == 1);
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EXPECT_TRUE(ipv4_hdr_get_frag_offset((struct ip *)hdr) == 0);
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EXPECT_TRUE(ipv4_hdr_get_ttl((struct ip *)hdr) == 127);
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EXPECT_TRUE(ipv4_hdr_get_protocol((struct ip *)hdr) == 6);
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EXPECT_TRUE(ipv4_hdr_get_checksum((struct ip *)hdr) == 0x4d8b);
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EXPECT_TRUE(ipv4_hdr_get_src((struct ip *)hdr) == 0xc0a82467);
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EXPECT_TRUE(ipv4_hdr_get_dst((struct ip *)hdr) == 0xc0a82889);
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EXPECT_TRUE(ipv4_hdr_has_flag_rf((struct ip *)hdr) == false);
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EXPECT_TRUE(ipv4_hdr_has_flag_df((struct ip *)hdr) == false);
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EXPECT_TRUE(ipv4_hdr_has_flag_mf((struct ip *)hdr) == true);
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}
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int main(int argc, char **argv)
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{
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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