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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 queue
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestNextPriority(t *testing.T) {
first := priority{0}
second := first.next()
third := second.next()
assert.True(t, first.greaterThan(second))
assert.True(t, second.greaterThan(third))
}
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}))
assert.True(t, priority{1}.greaterThan(priority{1, -1}))
assert.False(t, priority{1}.greaterThan(priority{1, 1}))
assert.True(t, priority{1, 0}.greaterThan(priority{1}))
}
func TestPrioQueueOrder(t *testing.T) {
pq := priorityQueueOps[int]{}
pq.Push(1, priority{1})
pq.Push(3, priority{3})
pq.Push(2, priority{2})
assert.Equal(t, 3, pq.Pop())
assert.Equal(t, 2, pq.Pop())
assert.Equal(t, 1, pq.Pop())
assert.Zero(t, pq.Pop())
assert.Zero(t, pq.Len())
}
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