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// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.21
package quic
import (
"context"
"io"
"testing"
"time"
)
func TestQueue(t *testing.T) {
nonblocking, cancel := context.WithCancel(context.Background())
cancel()
q := newQueue[int]()
if got, err := q.get(nonblocking, nil); err != context.Canceled {
t.Fatalf("q.get() = %v, %v, want nil, contex.Canceled", got, err)
}
if !q.put(1) {
t.Fatalf("q.put(1) = false, want true")
}
if !q.put(2) {
t.Fatalf("q.put(2) = false, want true")
}
if got, err := q.get(nonblocking, nil); got != 1 || err != nil {
t.Fatalf("q.get() = %v, %v, want 1, nil", got, err)
}
if got, err := q.get(nonblocking, nil); got != 2 || err != nil {
t.Fatalf("q.get() = %v, %v, want 2, nil", got, err)
}
if got, err := q.get(nonblocking, nil); err != context.Canceled {
t.Fatalf("q.get() = %v, %v, want nil, contex.Canceled", got, err)
}
go func() {
time.Sleep(1 * time.Millisecond)
q.put(3)
}()
if got, err := q.get(context.Background(), nil); got != 3 || err != nil {
t.Fatalf("q.get() = %v, %v, want 3, nil", got, err)
}
if !q.put(4) {
t.Fatalf("q.put(2) = false, want true")
}
q.close(io.EOF)
if got, err := q.get(context.Background(), nil); got != 0 || err != io.EOF {
t.Fatalf("q.get() = %v, %v, want 0, io.EOF", got, err)
}
if q.put(5) {
t.Fatalf("q.put(5) = true, want false")
}
}
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