Russ Cox | d2cc988 | 2012-02-16 23:50:37 -0500 | [diff] [blame] | 1 | // run |
Rob Pike | ab34d15 | 2008-06-06 14:27:34 -0700 | [diff] [blame] | 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 | |
Rob Pike | eb37b5b | 2012-02-24 16:24:24 +1100 | [diff] [blame] | 7 | // Test pointers and the . (selector) operator on structs. |
Rob Pike | ab34d15 | 2008-06-06 14:27:34 -0700 | [diff] [blame] | 8 | |
| 9 | package main |
| 10 | |
| 11 | type x2 struct { a,b,c int; d int; }; |
| 12 | var g1 x2; |
| 13 | var g2 struct { a,b,c int; d x2; }; |
| 14 | |
| 15 | func |
Robert Griesemer | 581530e | 2009-12-10 12:53:23 -0800 | [diff] [blame] | 16 | main() { |
Rob Pike | ab34d15 | 2008-06-06 14:27:34 -0700 | [diff] [blame] | 17 | var x int; |
| 18 | var s1 *x2; |
| 19 | var s2 *struct { a,b,c int; d x2; }; |
| 20 | |
| 21 | s1 = &g1; |
| 22 | s2 = &g2; |
| 23 | |
| 24 | s1.a = 1; |
| 25 | s1.b = 2; |
| 26 | s1.c = 3; |
| 27 | s1.d = 5; |
| 28 | |
| 29 | s2.a = 7; |
| 30 | s2.b = 11; |
| 31 | s2.c = 13; |
| 32 | s2.d.a = 17; |
| 33 | s2.d.b = 19; |
| 34 | s2.d.c = 23; |
| 35 | s2.d.d = 20; |
| 36 | |
Rob Pike | bc2f5f1 | 2008-08-11 22:07:49 -0700 | [diff] [blame] | 37 | if(s2.d.c != 23) { panic(1); } |
| 38 | if(g2.d.c != 23) { panic(2); } |
Rob Pike | ab34d15 | 2008-06-06 14:27:34 -0700 | [diff] [blame] | 39 | |
| 40 | x = s1.a + |
| 41 | s1.b + |
| 42 | s1.c + |
| 43 | s1.d + |
| 44 | |
| 45 | s2.a + |
| 46 | s2.b + |
| 47 | s2.c + |
| 48 | s2.d.a + |
| 49 | s2.d.b + |
| 50 | s2.d.c + |
| 51 | s2.d.d; |
| 52 | |
Rob Pike | bc2f5f1 | 2008-08-11 22:07:49 -0700 | [diff] [blame] | 53 | if(x != 121) { panic(x); } |
Rob Pike | ab34d15 | 2008-06-06 14:27:34 -0700 | [diff] [blame] | 54 | } |