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// Copyright 2024 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package fuzzer
import (
"sync"
"testing"
"github.com/stretchr/testify/assert"
)
func TestPriority(t *testing.T) {
assert.True(t, priority{1, 2}.greaterThan(priority{1, 1}))
assert.True(t, priority{3, 2}.greaterThan(priority{2, 3}))
assert.True(t, priority{1, -5}.greaterThan(priority{1, -10}))
}
func TestPrioQueueOrder(t *testing.T) {
pq := makePriorityQueue[int]()
pq.push(&priorityQueueItem[int]{value: 1, prio: priority{1}})
pq.push(&priorityQueueItem[int]{value: 3, prio: priority{3}})
pq.push(&priorityQueueItem[int]{value: 2, prio: priority{2}})
assert.Equal(t, 3, pq.pop().value)
assert.Equal(t, 2, pq.pop().value)
assert.Equal(t, 1, pq.pop().value)
assert.Nil(t, pq.tryPop())
}
func TestPrioQueueWait(t *testing.T) {
var wg sync.WaitGroup
pq := makePriorityQueue[int]()
assert.Nil(t, pq.tryPop())
wg.Add(1)
go func() {
assert.Equal(t, 10, pq.pop().value)
wg.Done()
}()
pq.push(&priorityQueueItem[int]{value: 10, prio: priority{1}})
wg.Wait()
}
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