test/assign.go

   1 // errchk $G -e $D/$F.go
   2
   3 // Copyright 2009 The Go Authors. All rights reserved.
   4 // Use of this source code is governed by a BSD-style
   5 // license that can be found in the LICENSE file.
   6
   7 package main
   8
   9 import "sync"
  10
  11 type T struct {
  12         int;
  13         sync.Mutex;
  14 }
  15
  16 func main() {
  17         {
  18                 var x, y sync.Mutex;
  19                 x = y;  // ERROR "assignment.*Mutex"
  20                 _ = x;
  21         }
  22         {
  23                 var x, y T;
  24                 x = y;  // ERROR "assignment.*Mutex"
  25                 _ = x;
  26         }
  27         {
  28                 var x, y [2]sync.Mutex;
  29                 x = y;  // ERROR "assignment.*Mutex"
  30                 _ = x;
  31         }
  32         {
  33                 var x, y [2]T;
  34                 x = y;  // ERROR "assignment.*Mutex"
  35                 _ = x;
  36         }
  37         {
  38                 x := sync.Mutex{0, 0};  // ERROR "assignment.*Mutex"
  39                 _ = x;
  40         }
  41         {
  42                 x := sync.Mutex{key: 0};        // ERROR "(unknown|assignment).*Mutex"
  43                 _ = x;
  44         }
  45         {
  46                 x := &sync.Mutex{};     // ok
  47                 var y sync.Mutex;       // ok
  48                 y = *x; // ERROR "assignment.*Mutex"
  49                 *x = y; // ERROR "assignment.*Mutex"
  50                 _ = x;
  51                 _ = y;
  52         }
  53 }