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go/misc/cgo/test/issue21809.go
griesemer 5d1addf45d go/printer: fix formatting of three-index slice expression
Apply gofmt to src, misc.

Fixes #22111.

Change-Id: Ib1bda0caaf2c1787a8137b7a61bbef7a341cc68c
Reviewed-on: https://go-review.googlesource.com/67633
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2017-10-03 16:16:30 +00:00

46 lines
1.3 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)
}
}