Files
llgo/_demo/go/reflectindirect/reflect-indirect.go
2025-10-20 02:29:18 +00:00

50 lines
1.3 KiB
Go

package main
import (
"reflect"
)
func main() {
x := 42
p := &x
// Test 1: Non-pointer value - should return same value
v1 := reflect.Indirect(reflect.ValueOf(x))
if !v1.IsValid() || v1.Interface() != 42 {
panic("Non-pointer test failed: expected 42")
}
// Test 2: Pointer - should dereference
v2 := reflect.Indirect(reflect.ValueOf(p))
if !v2.IsValid() || v2.Interface() != 42 {
panic("Pointer dereference test failed: expected 42")
}
// Test 3: Nil pointer - should return invalid Value
var nilPtr *int
v3 := reflect.Indirect(reflect.ValueOf(nilPtr))
if v3.IsValid() {
panic("Nil pointer test failed: expected invalid Value")
}
// Test 4: Struct value - should return same value
type Person struct {
Name string
Age int
}
person := Person{Name: "Alice", Age: 30}
v4 := reflect.Indirect(reflect.ValueOf(person))
if !v4.IsValid() || v4.Interface().(Person).Name != "Alice" || v4.Interface().(Person).Age != 30 {
panic("Struct value test failed: expected Person{Name: Alice, Age: 30}")
}
// Test 5: Struct pointer - should dereference
personPtr := &Person{Name: "Bob", Age: 25}
v5 := reflect.Indirect(reflect.ValueOf(personPtr))
if !v5.IsValid() || v5.Interface().(Person).Name != "Bob" || v5.Interface().(Person).Age != 25 {
panic("Struct pointer test failed: expected Person{Name: Bob, Age: 25}")
}
println("PASS")
}