libgo/misc/cgo/test/helpers.go

   1 // Copyright 2011 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 // const char *greeting = "hello, world";
   8 import "C"
   9
  10 import (
  11         "reflect"
  12         "testing"
  13         "unsafe"
  14 )
  15
  16 const greeting = "hello, world"
  17
  18 type testPair struct {
  19         Name      string
  20         Got, Want interface{}
  21 }
  22
  23 var testPairs = []testPair{
  24         {"GoString", C.GoString(C.greeting), greeting},
  25         {"GoStringN", C.GoStringN(C.greeting, 5), greeting[:5]},
  26         {"GoBytes", C.GoBytes(unsafe.Pointer(C.greeting), 5), []byte(greeting[:5])},
  27 }
  28
  29 func testHelpers(t *testing.T) {
  30         for _, pair := range testPairs {
  31                 if !reflect.DeepEqual(pair.Got, pair.Want) {
  32                         t.Errorf("%s: got %#v, want %#v", pair.Name, pair.Got, pair.Want)
  33                 }
  34         }
  35 }