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queue_test.go
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queue_test.go
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package queue
import (
"fmt"
"testing"
)
var testValues = []interface{}{
"lorem",
"ipsum",
1,
2,
3,
"jack",
"jill",
"felix",
"donking",
}
// TestPush validate evict old item policy
func TestEvictPolicy(t *testing.T) {
q := New()
for i, v := range testValues {
q.Push(v)
t.Log("current: ", q.Keys())
// validate
// item existence
if !q.Contains(v) {
t.Errorf("policy: newly inserted %v must be exists", v)
}
if i < 10 && q.Len() != (i+1) {
t.Errorf("expected length %d but actual: %d", i+1, q.Len())
} else if i >= 10 && q.Len() != 10 {
t.Errorf("expexted length: %d but actual: %d", i+1, q.Len())
}
}
}
// TestPop validate pop item policy
func TestPop(t *testing.T) {
q := New()
for _, v := range testValues {
q.Push(v)
}
for q.Len() > 0 {
t.Log("current: ", q.Keys())
v := q.Pop()
// validate
expect := testValues[len(testValues)-(q.Len()+1)]
if v != expect {
fmt.Printf("expected %v but recevied %v", expect, v)
}
}
}