1 // Copyright 2016 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 // +build !nacl 6 7 package obj 8 9 import ( 10 "reflect" 11 "testing" 12 "unsafe" 13 ) 14 15 // Assert that the size of important structures do not change unexpectedly. 16 17 func TestSizeof(t *testing.T) { 18 const _64bit = unsafe.Sizeof(uintptr(0)) == 8 19 20 var tests = []struct { 21 val interface{} // type as a value 22 _32bit uintptr // size on 32bit platforms 23 _64bit uintptr // size on 64bit platforms 24 }{ 25 {Addr{}, 32, 48}, 26 {LSym{}, 56, 104}, 27 {Prog{}, 132, 200}, 28 } 29 30 for _, tt := range tests { 31 want := tt._32bit 32 if _64bit { 33 want = tt._64bit 34 } 35 got := reflect.TypeOf(tt.val).Size() 36 if want != got { 37 t.Errorf("unsafe.Sizeof(%T) = %d, want %d", tt.val, got, want) 38 } 39 } 40 } 41
