sent_packet_test.go

Documentation: golang.org/x/net/internal/quic

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build go1.21
     6  
     7  package quic
     8  
     9  import "testing"
    10  
    11  func TestSentPacket(t *testing.T) {
    12  	frames := []any{
    13  		byte(frameTypePing),
    14  		byte(frameTypeStreamBase),
    15  		uint64(1),
    16  		i64range[int64]{1 << 20, 1<<20 + 1024},
    17  	}
    18  	// Record sent frames.
    19  	sent := newSentPacket()
    20  	for _, f := range frames {
    21  		switch f := f.(type) {
    22  		case byte:
    23  			sent.appendAckElicitingFrame(f)
    24  		case uint64:
    25  			sent.appendInt(f)
    26  		case i64range[int64]:
    27  			sent.appendOffAndSize(f.start, int(f.size()))
    28  		}
    29  	}
    30  	// Read the record.
    31  	for i, want := range frames {
    32  		if done := sent.done(); done {
    33  			t.Fatalf("before consuming contents, sent.done() = true, want false")
    34  		}
    35  		switch want := want.(type) {
    36  		case byte:
    37  			if got := sent.next(); got != want {
    38  				t.Fatalf("%v: sent.next() = %v, want %v", i, got, want)
    39  			}
    40  		case uint64:
    41  			if got := sent.nextInt(); got != want {
    42  				t.Fatalf("%v: sent.nextInt() = %v, want %v", i, got, want)
    43  			}
    44  		case i64range[int64]:
    45  			if start, end := sent.nextRange(); start != want.start || end != want.end {
    46  				t.Fatalf("%v: sent.nextRange() = [%v,%v), want %v", i, start, end, want)
    47  			}
    48  		}
    49  	}
    50  	if done := sent.done(); !done {
    51  		t.Fatalf("after consuming contents, sent.done() = false, want true")
    52  	}
    53  }
    54
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