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// Test that the accept works if the final ACK is dropped and an ack with data
// follows the dropped ack.
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0 bind(3, ..., ...) = 0
// Set backlog to 1 so that we can easily test.
+0 listen(3, 1) = 0
// Establish a connection without timestamps.
+0.0 < S 0:0(0) win 32792 <mss 1460,sackOK,nop,nop,nop,wscale 7>
+0.0 > S. 0:0(0) ack 1 <...>
+0.0 < . 1:5(4) ack 1 win 257
+0.0 > . 1:1(0) ack 5 <...>
// This should cause connection to transition to connected state.
+0.000 accept(3, ..., ...) = 4
+0.000 fcntl(4, F_SETFL, O_RDWR|O_NONBLOCK) = 0
// Now read the data and we should get 4 bytes.
+0.000 read(4,..., 4) = 4
+0.000 close(4) = 0
+0.0 > F. 1:1(0) ack 5 <...>
+0.0 < F. 5:5(0) ack 2 win 257
+0.01 > . 2:2(0) ack 6 <...>
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