1 // Copyright 2015 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 // cgo rewrote C.var to *_Cvar_var, but left 6 // C.var.field as _Cvar.var.field. It now rewrites 7 // the latter as (*_Cvar_var).field. 8 // See https://golang.org/issue/9557. 9 10 package cgotest 11 12 // struct issue9557_t { 13 // int a; 14 // } test9557bar = { 42 }; 15 // 16 // struct issue9557_t *issue9557foo = &test9557bar; 17 import "C" 18 import "testing" 19 20 func test9557(t *testing.T) { 21 // implicitly dereference a Go variable 22 foo := C.issue9557foo 23 if v := foo.a; v != 42 { 24 t.Fatalf("foo.a expected 42, but got %d", v) 25 } 26 27 // explicitly dereference a C variable 28 if v := (*C.issue9557foo).a; v != 42 { 29 t.Fatalf("(*C.issue9557foo).a expected 42, but is %d", v) 30 } 31 32 // implicitly dereference a C variable 33 if v := C.issue9557foo.a; v != 42 { 34 t.Fatalf("C.issue9557foo.a expected 42, but is %d", v) 35 } 36 } 37
