mirror of
https://github.com/golang/go
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37 lines
952 B
Go
37 lines
952 B
Go
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// cgo rewrote C.var to *_Cvar_var, but left
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// C.var.field as _Cvar.var.field. It now rewrites
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// the latter as (*_Cvar_var).field.
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// See https://golang.org/issue/9557.
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package cgotest
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// struct issue9557_t {
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// int a;
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// } test9557bar = { 42 };
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//
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// struct issue9557_t *issue9557foo = &test9557bar;
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import "C"
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import "testing"
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func test9557(t *testing.T) {
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// implicitly dereference a Go variable
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foo := C.issue9557foo
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if v := foo.a; v != 42 {
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t.Fatalf("foo.a expected 42, but got %d", v)
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}
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// explicitly dereference a C variable
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if v := (*C.issue9557foo).a; v != 42 {
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t.Fatalf("(*C.issue9557foo).a expected 42, but is %d", v)
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}
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// implicitly dereference a C variable
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if v := C.issue9557foo.a; v != 42 {
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t.Fatalf("C.issue9557foo.a expected 42, but is %d", v)
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}
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}
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