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Editing: sizeof_test.go
// Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package runtime_test import ( "reflect" "runtime" "testing" "unsafe" ) // Assert that the size of important structures do not change unexpectedly. func TestSizeof(t *testing.T) { const _64bit = unsafe.Sizeof(uintptr(0)) == 8 var tests = []struct { val any // type as a value _32bit uintptr // size on 32bit platforms _64bit uintptr // size on 64bit platforms }{ {runtime.G{}, 272, 432}, // g, but exported for testing {runtime.Sudog{}, 56, 88}, // sudog, but exported for testing } for _, tt := range tests { want := tt._32bit if _64bit { want = tt._64bit } got := reflect.TypeOf(tt.val).Size() if want != got { t.Errorf("unsafe.Sizeof(%T) = %d, want %d", tt.val, got, want) } } }
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