qoobing.com/gomod/log@v1.2.8/logid-runtime-patch/unknown/sizeof_test.go (about) 1 // Copyright 2018 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package runtime_test 6 7 import ( 8 "reflect" 9 "runtime" 10 "testing" 11 "unsafe" 12 ) 13 14 // Assert that the size of important structures do not change unexpectedly. 15 16 func TestSizeof(t *testing.T) { 17 const _64bit = unsafe.Sizeof(uintptr(0)) == 8 18 19 var tests = []struct { 20 val interface{} // type as a value 21 _32bit uintptr // size on 32bit platforms 22 _64bit uintptr // size on 64bit platforms 23 }{ 24 ////// Add by q.bryant@live.com for logid @2020.09.10 ///////begain////// 25 // {runtime.G{}, 216, 376}, // g, but exported for testing 26 ///////////////////// replace by /////////////////////////// 27 {runtime.G{}, 224, 384}, // g, but exported for testing 28 ////// Add by q.bryant@live.com for logid @2020.09.10 ///////end///////// 29 } 30 31 for _, tt := range tests { 32 want := tt._32bit 33 if _64bit { 34 want = tt._64bit 35 } 36 got := reflect.TypeOf(tt.val).Size() 37 if want != got { 38 t.Errorf("unsafe.Sizeof(%T) = %d, want %d", tt.val, got, want) 39 } 40 } 41 }