libgo/misc/cgo/test/issue6833.go

   1 // Copyright 2013 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package cgotest
   6
   7 /*
   8 extern unsigned long long issue6833Func(unsigned int, unsigned long long);
   9 */
  10 import "C"
  11
  12 import "testing"
  13
  14 //export GoIssue6833Func
  15 func GoIssue6833Func(aui uint, aui64 uint64) uint64 {
  16         return aui64 + uint64(aui)
  17 }
  18
  19 func test6833(t *testing.T) {
  20         ui := 7
  21         ull := uint64(0x4000300020001000)
  22         v := uint64(C.issue6833Func(C.uint(ui), C.ulonglong(ull)))
  23         exp := uint64(ui) + ull
  24         if v != exp {
  25                 t.Errorf("issue6833Func() returns %x, expected %x", v, exp)
  26         }
  27 }