go sizeof_test 源码

  • 2022-07-15
  • 浏览 (1050)

golang sizeof_test 代码

文件路径:/src/cmd/compile/internal/ssa/sizeof_test.go

// Copyright 2016 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 ssa

import (
	"reflect"
	"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    interface{} // type as a value
		_32bit uintptr     // size on 32bit platforms
		_64bit uintptr     // size on 64bit platforms
	}{
		{Value{}, 72, 112},
		{Block{}, 164, 304},
		{LocalSlot{}, 28, 40},
		{valState{}, 28, 40},
	}

	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)
		}
	}
}

相关信息

go 源码目录

相关文章

go addressingmodes 源码

go bench_test 源码

go biasedsparsemap 源码

go block 源码

go branchelim 源码

go branchelim_test 源码

go cache 源码

go check 源码

go checkbce 源码

go compile 源码

0  赞