libgo/misc/cgo/test/issue8092.go

   1 // Copyright 2014 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 // Issue 8092. Test that linker defined symbols (e.g., text, data) don't
   6 // conflict with C symbols.
   7
   8 package cgotest
   9
  10 /*
  11 char text[] = "text";
  12 char data[] = "data";
  13 char *ctext(void) { return text; }
  14 char *cdata(void) { return data; }
  15 */
  16 import "C"
  17
  18 import "testing"
  19
  20 func test8092(t *testing.T) {
  21         tests := []struct {
  22                 s    string
  23                 a, b *C.char
  24         }{
  25                 {"text", &C.text[0], C.ctext()},
  26                 {"data", &C.data[0], C.cdata()},
  27         }
  28         for _, test := range tests {
  29                 if test.a != test.b {
  30                         t.Errorf("%s: pointer mismatch: %v != %v", test.s, test.a, test.b)
  31                 }
  32                 if got := C.GoString(test.a); got != test.s {
  33                         t.Errorf("%s: points at %#v, want %#v", test.s, got, test.s)
  34                 }
  35         }
  36 }