github.com/goplus/yap@v0.8.1/reflectutil/reflect_test.go (about)

     1  /*
     2   * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package reflectutil
    18  
    19  import (
    20  	"reflect"
    21  	"testing"
    22  	"unsafe"
    23  )
    24  
    25  func TestSetZero(t *testing.T) {
    26  	a := 2
    27  	v := reflect.ValueOf(&a).Elem()
    28  	SetZero(v)
    29  	if a != 0 {
    30  		t.Fatal("SetZero:", a)
    31  	}
    32  }
    33  
    34  func TestUnsafeAddr(t *testing.T) {
    35  	if unsafe.Sizeof(value{}) != unsafe.Sizeof(reflect.Value{}) {
    36  		panic("unexpected sizeof reflect.Value")
    37  	}
    38  	v := reflect.ValueOf(0)
    39  	if UnsafeAddr(v) == 0 {
    40  		t.Fatal("UnsafeAddr")
    41  	}
    42  }