// license that can be found in the LICENSE file.

package json

import (
	"unicode"
	"unicode/utf8"
)

// foldName returns a folded string such that foldName(x) == foldName(y)
// is identical to bytes.EqualFold(x, y).
func foldName(in []byte) []byte {
	// This is inlinable to take advantage of "function outlining".
	var arr [32]byte // large enough for most JSON names

		{"AesKey", "AESKey"},
		{"AESKey", "aeskey"},
		{"DESKey", "aeskey"},
		{"AES Key", "aeskey"},
	} {
		f.Add([]byte(ss[0]), []byte(ss[1]))
	}
	equalFold := func(x, y []byte) bool { return string(foldName(x)) == string(foldName(y)) }
	f.Fuzz(func(t *testing.T, x, y []byte) {
		got := equalFold(x, y)
		want := bytes.EqualFold(x, y)
		if got != want {
			t.Errorf("equalFold(%q, %q) = %v, want %v", x, y, got, want)
		}
	})

	for i, field := range fields {
		exactNameIndex[field.name] = &fields[i]
		// For historical reasons, first folded match takes precedence.
		if _, ok := foldedNameIndex[string(foldName(field.nameBytes))]; !ok {
			foldedNameIndex[string(foldName(field.nameBytes))] = &fields[i]
		}
	}
	return structFields{fields, exactNameIndex, foldedNameIndex}
}

// dominantField looks through the fields, all of which are known to

				mapElem = reflect.New(elemType).Elem()
			} else {
				mapElem.SetZero()
			}
			subv = mapElem
		} else {
			f := fields.byExactName[string(key)]
			if f == nil {
				f = fields.byFoldedName[string(foldName(key))]
			}
			if f != nil {
				subv = v
				destring = f.quoted
				for _, i := range f.index {
					if subv.Kind() == reflect.Pointer {
						if subv.IsNil() {

	oldname = filepathlite.FromSlash(oldname)

	// need the exact location of the oldname when it's relative to determine if it's a directory
	destpath := oldname
	if v := filepathlite.VolumeName(oldname); v == "" {
		if len(oldname) > 0 && IsPathSeparator(oldname[0]) {
			// oldname is relative to the volume containing newname.
			if v = filepathlite.VolumeName(newname); v != "" {

            return null;
          }
        };
    Callables.threadRenaming(callable, newName).call();
    assertEquals(oldName, Thread.currentThread().getName());
  }

  @J2ktIncompatible
  @GwtIncompatible // threads
  public void testRenaming_exceptionalReturn() throws Exception {
    String oldName = Thread.currentThread().getName();
    final Supplier<String> newName = Suppliers.ofInstance("MyCrazyThreadName");

            return null;
          }
        };
    Callables.threadRenaming(callable, newName).call();
    assertEquals(oldName, Thread.currentThread().getName());
  }

  @J2ktIncompatible
  @GwtIncompatible // threads
  public void testRenaming_exceptionalReturn() throws Exception {
    String oldName = Thread.currentThread().getName();
    final Supplier<String> newName = Suppliers.ofInstance("MyCrazyThreadName");

		if ofi, err := Lstat(oldname); err != nil {
			if pe, ok := err.(*PathError); ok {
				err = pe.Err
			}
			return &LinkError{"rename", oldname, newname, err}
		} else if newname == oldname || !SameFile(fi, ofi) {
			return &LinkError{"rename", oldname, newname, syscall.EEXIST}
		}
	}
	err = ignoringEINTR(func() error {
		return syscall.Rename(oldname, newname)
	})
	if err != nil {

	}
	return lookupFieldOrMethod(T, addressable, pkg, name, false)
}

// lookupFieldOrMethod is like LookupFieldOrMethod but with the additional foldCase parameter
// (see Object.sameId for the meaning of foldCase).
func lookupFieldOrMethod(T Type, addressable bool, pkg *Package, name string, foldCase bool) (obj Object, index []int, indirect bool) {
	// Methods cannot be associated to a named pointer type.

	}
	return lookupFieldOrMethod(T, addressable, pkg, name, false)
}

// lookupFieldOrMethod is like LookupFieldOrMethod but with the additional foldCase parameter
// (see Object.sameId for the meaning of foldCase).
func lookupFieldOrMethod(T Type, addressable bool, pkg *Package, name string, foldCase bool) (obj Object, index []int, indirect bool) {
	// Methods cannot be associated to a named pointer type.