102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
#include "receiver_harness.hh"
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#include "wrapping_integers.hh"
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#include <cstdint>
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#include <cstdlib>
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#include <exception>
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#include <iostream>
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#include <optional>
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#include <stdexcept>
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#include <string>
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using namespace std;
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int main() {
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try {
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// auto rd = get_random_generator();
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{
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TCPReceiverTestHarness test{4000};
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test.execute(ExpectWindow{4000});
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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test.execute(SegmentArrives{}.with_syn().with_seqno(0).with_result(SegmentArrives::Result::OK));
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test.execute(ExpectAckno{WrappingInt32{1}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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}
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{
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TCPReceiverTestHarness test{5435};
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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test.execute(SegmentArrives{}.with_syn().with_seqno(89347598).with_result(SegmentArrives::Result::OK));
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test.execute(ExpectAckno{WrappingInt32{89347599}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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}
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{
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TCPReceiverTestHarness test{5435};
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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test.execute(SegmentArrives{}.with_seqno(893475).with_result(SegmentArrives::Result::NOT_SYN));
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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}
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{
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TCPReceiverTestHarness test{5435};
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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test.execute(SegmentArrives{}.with_ack(0).with_fin().with_seqno(893475).with_result(
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SegmentArrives::Result::NOT_SYN));
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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}
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{
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TCPReceiverTestHarness test{5435};
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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test.execute(SegmentArrives{}.with_ack(0).with_fin().with_seqno(893475).with_result(
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SegmentArrives::Result::NOT_SYN));
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test.execute(ExpectAckno{std::optional<WrappingInt32>{}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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test.execute(SegmentArrives{}.with_syn().with_seqno(89347598).with_result(SegmentArrives::Result::OK));
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test.execute(ExpectAckno{WrappingInt32{89347599}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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}
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{
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TCPReceiverTestHarness test{4000};
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test.execute(SegmentArrives{}.with_syn().with_seqno(5).with_fin().with_result(SegmentArrives::Result::OK));
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test.execute(ExpectState{TCPReceiverStateSummary::FIN_RECV});
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test.execute(ExpectAckno{WrappingInt32{7}});
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test.execute(ExpectUnassembledBytes{0});
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test.execute(ExpectTotalAssembledBytes{0});
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}
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{
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// Window overflow
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size_t cap = static_cast<size_t>(UINT16_MAX) + 5;
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TCPReceiverTestHarness test{cap};
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test.execute(ExpectWindow{cap});
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}
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} catch (const exception &e) {
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cerr << e.what() << endl;
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return 1;
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}
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return EXIT_SUCCESS;
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}
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