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|
package luar
import (
"testing"
"github.com/yuin/gopher-lua"
)
func Test_metatable(t *testing.T) {
L := lua.NewState()
defer L.Close()
tbl := []struct {
Value interface{}
CustomMT bool
}{
{"hello", false},
{123, false},
{1.23, false},
{nil, false},
{struct{}{}, true},
{&struct{}{}, true},
{[]string{}, true},
{make(chan string), true},
{(*string)(nil), true},
{func() {}, false},
{map[string]int{}, true},
}
for _, v := range tbl {
mt := MT(L, v.Value)
if v.CustomMT && mt == nil {
t.Fatalf("expected to have custom MT for %#v\n", v.Value)
} else if !v.CustomMT && mt != nil {
t.Fatalf("unexpected custom MT for %#v\n", v.Value)
}
}
}
|
