mirror of
https://github.com/golang/go
synced 2024-11-20 09:14:46 -07:00
57fa1c7c94
Fixes #21809 Change-Id: Ic43077c6bea3c7cdc9611e74abf07b6deab70433 Reviewed-on: https://go-review.googlesource.com/62670 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
46 lines
1.4 KiB
Go
46 lines
1.4 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package cgotest
|
|
|
|
// Issue 21809. Compile C `typedef` to go type aliases.
|
|
|
|
// typedef long MySigned_t;
|
|
// /* tests alias-to-alias */
|
|
// typedef MySigned_t MySigned2_t;
|
|
//
|
|
// long takes_long(long x) { return x * x; }
|
|
// MySigned_t takes_typedef(MySigned_t x) { return x * x; }
|
|
import "C"
|
|
|
|
import "testing"
|
|
|
|
func test21809(t *testing.T) {
|
|
longVar := C.long(3)
|
|
typedefVar := C.MySigned_t(4)
|
|
typedefTypedefVar := C.MySigned2_t(5)
|
|
|
|
// all three should be considered identical to `long`
|
|
if ret := C.takes_long(longVar); ret != 9 {
|
|
t.Errorf("got %v but expected %v", ret, 9)
|
|
}
|
|
if ret := C.takes_long(typedefVar); ret != 16 {
|
|
t.Errorf("got %v but expected %v", ret, 16)
|
|
}
|
|
if ret := C.takes_long(typedefTypedefVar); ret != 25 {
|
|
t.Errorf("got %v but expected %v", ret, 25)
|
|
}
|
|
|
|
// They should also be identical to the typedef'd type
|
|
if ret := C.takes_typedef(longVar); ret != 9 {
|
|
t.Errorf("got %v but expected %v", ret, 9)
|
|
}
|
|
if ret := C.takes_typedef(typedefVar); ret != 16 {
|
|
t.Errorf("got %v but expected %v", ret, 16)
|
|
}
|
|
if ret := C.takes_typedef(typedefTypedefVar); ret != 25 {
|
|
t.Errorf("got %v but expected %v", ret, 25)
|
|
}
|
|
}
|