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go-zero/core/collection/fifo_test.go

64 lines
1.1 KiB
Go

package collection
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestFifo(t *testing.T) {
elements := [][]byte{
[]byte("hello"),
[]byte("world"),
[]byte("again"),
}
queue := NewQueue(8)
for i := range elements {
queue.Put(elements[i])
}
for _, element := range elements {
body, ok := queue.Take()
assert.True(t, ok)
assert.Equal(t, string(element), string(body.([]byte)))
}
}
func TestTakeTooMany(t *testing.T) {
elements := [][]byte{
[]byte("hello"),
[]byte("world"),
[]byte("again"),
}
queue := NewQueue(8)
for i := range elements {
queue.Put(elements[i])
}
for range elements {
queue.Take()
}
assert.True(t, queue.Empty())
_, ok := queue.Take()
assert.False(t, ok)
}
func TestPutMore(t *testing.T) {
elements := [][]byte{
[]byte("hello"),
[]byte("world"),
[]byte("again"),
}
queue := NewQueue(2)
for i := range elements {
queue.Put(elements[i])
}
for _, element := range elements {
body, ok := queue.Take()
assert.True(t, ok)
assert.Equal(t, string(element), string(body.([]byte)))
}
}