github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/pkg/buffer/pool_test.go (about)

     1  // Copyright 2020 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package buffer
    16  
    17  import (
    18  	"testing"
    19  )
    20  
    21  func TestGetDefaultBufferSize(t *testing.T) {
    22  	var p pool
    23  	for i := 0; i < embeddedCount*2; i++ {
    24  		buf := p.get()
    25  		if got, want := len(buf.data), defaultBufferSize; got != want {
    26  			t.Errorf("#%d len(buf.data) = %d, want %d", i, got, want)
    27  		}
    28  	}
    29  }
    30  
    31  func TestGetCustomBufferSize(t *testing.T) {
    32  	const size = 100
    33  
    34  	var p pool
    35  	p.setBufferSize(size)
    36  	for i := 0; i < embeddedCount*2; i++ {
    37  		buf := p.get()
    38  		if got, want := len(buf.data), size; got != want {
    39  			t.Errorf("#%d len(buf.data) = %d, want %d", i, got, want)
    40  		}
    41  	}
    42  }
    43  
    44  func TestPut(t *testing.T) {
    45  	var p pool
    46  	buf := p.get()
    47  	p.put(buf)
    48  	if buf.data != nil {
    49  		t.Errorf("buf.data = %x, want nil", buf.data)
    50  	}
    51  }