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package collection
import (
"testing"
"time"
)
func Test_Empty(t *testing.T) {
if Any(Empty) {
t.Log("empty should not have any elements")
t.Fail()
}
if CountAll(Empty) != 0 {
t.Log("empty should have counted to zero elements")
t.Fail()
}
alwaysTrue := func(x interface{}) bool {
return true
}
if Count(Empty, alwaysTrue) != 0 {
t.Log("empty should have counted to zero even when discriminating")
t.Fail()
}
}
func BenchmarkEnumerator_Sum(b *testing.B) {
nums := AsEnumerable(getInitializedSequentialArray()...)
b.ResetTimer()
for i := 0; i < b.N; i++ {
for range nums.Enumerate(nil).Select(sleepIdentity) {
// Intentionally Left Blank
}
}
}
func sleepIdentity(num interface{}) interface{} {
time.Sleep(2 * time.Millisecond)
return Identity(num)
}
func getInitializedSequentialArray() []interface{} {
rawNums := make([]interface{}, 1000, 1000)
for i := range rawNums {
rawNums[i] = i + 1
}
return rawNums
}
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