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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-11-17 18:06:15 -05:00
v2fly/common/io/buffered_reader_test.go
2016-08-20 20:55:45 +02:00

44 lines
862 B
Go

package io_test
import (
"testing"
"v2ray.com/core/common/alloc"
. "v2ray.com/core/common/io"
"v2ray.com/core/testing/assert"
)
func TestBufferedReader(t *testing.T) {
assert := assert.On(t)
content := alloc.NewLargeBuffer()
len := content.Len()
reader := NewBufferedReader(content)
assert.Bool(reader.Cached()).IsTrue()
payload := make([]byte, 16)
nBytes, err := reader.Read(payload)
assert.Int(nBytes).Equals(16)
assert.Error(err).IsNil()
len2 := content.Len()
assert.Int(len - len2).GreaterThan(16)
nBytes, err = reader.Read(payload)
assert.Int(nBytes).Equals(16)
assert.Error(err).IsNil()
assert.Int(content.Len()).Equals(len2)
reader.SetCached(false)
payload2 := alloc.NewBuffer()
reader.Read(payload2.Value)
assert.Int(content.Len()).Equals(len2)
reader.Read(payload2.Value)
assert.Int(content.Len()).LessThan(len2)
}