istio.io/istio@v0.0.0-20240520182934-d79c90f27776/tools/istio-iptables/pkg/validation/vld_test.go (about)

     1  // Copyright Istio 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 validation
    16  
    17  import (
    18  	"encoding/binary"
    19  	"testing"
    20  )
    21  
    22  func TestNtohs(t *testing.T) {
    23  	hostValue := ntohs(0xbeef)
    24  	expectValue := 0xbeef
    25  	if nativeByteOrder == binary.LittleEndian {
    26  		expectValue = 0xefbe
    27  	}
    28  	if hostValue != uint16(expectValue) {
    29  		t.Errorf("Expected evaluating ntohs(%v) is %v, actual %v", 0xbeef, expectValue, hostValue)
    30  	}
    31  }