github.com/MangoDowner/go-gm@v0.0.0-20180818020936-8baa2bd4408c/misc/cgo/test/issue7786.go (about)

     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  // Issue 7786. No runtime test, just make sure that typedef and struct/union/class are interchangeable at compile time.
     6  
     7  package cgotest
     8  
     9  // struct test7786;
    10  // typedef struct test7786 typedef_test7786;
    11  // void f7786(struct test7786 *ctx) {}
    12  // void g7786(typedef_test7786 *ctx) {}
    13  //
    14  // typedef struct body7786 typedef_body7786;
    15  // struct body7786 { int x; };
    16  // void b7786(struct body7786 *ctx) {}
    17  // void c7786(typedef_body7786 *ctx) {}
    18  //
    19  // typedef union union7786 typedef_union7786;
    20  // void u7786(union union7786 *ctx) {}
    21  // void v7786(typedef_union7786 *ctx) {}
    22  import "C"
    23  
    24  func f() {
    25  	var x1 *C.typedef_test7786
    26  	var x2 *C.struct_test7786
    27  	x1 = x2
    28  	x2 = x1
    29  	C.f7786(x1)
    30  	C.f7786(x2)
    31  	C.g7786(x1)
    32  	C.g7786(x2)
    33  
    34  	var b1 *C.typedef_body7786
    35  	var b2 *C.struct_body7786
    36  	b1 = b2
    37  	b2 = b1
    38  	C.b7786(b1)
    39  	C.b7786(b2)
    40  	C.c7786(b1)
    41  	C.c7786(b2)
    42  
    43  	var u1 *C.typedef_union7786
    44  	var u2 *C.union_union7786
    45  	u1 = u2
    46  	u2 = u1
    47  	C.u7786(u1)
    48  	C.u7786(u2)
    49  	C.v7786(u1)
    50  	C.v7786(u2)
    51  }