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// Copyright 2012 The go-gl 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 gl
import (
"testing"
"unsafe"
)
func TestPtr(t *testing.T) {
// test nil
if p, q := unsafe.Pointer(nil), ptr(nil); p != q {
t.Fatalf("expected %#v, got %#v\n", p, q)
}
// test nil interface
var r interface{}
if p, q := unsafe.Pointer(nil), ptr(r); p != q {
t.Fatalf("expected %#v, got %#v\n", p, q)
}
// test nil pointer
var s *int
if p, q := unsafe.Pointer(nil), ptr(s); p != q {
t.Fatalf("expected %#v, got %#v\n", p, q)
}
// test uinptr
for _, n := range []uintptr{0, 1, 2, 42} {
if p, q := unsafe.Pointer(n), ptr(n); p != q {
t.Fatalf("expected %#v, got %#v\n", p, q)
}
}
}
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