mirror of
https://github.com/golang/go
synced 2024-11-14 09:00:21 -07:00
265b59aefd
Fixes #48396 Change-Id: Idd7cb66536ef513806c472d394a929bc271fc26b Reviewed-on: https://go-review.googlesource.com/c/go/+/350159 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com> Reviewed-by: Matt Layher <mdlayher@gmail.com>
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
// Copyright 2014 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 main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"reflect"
|
|
)
|
|
|
|
// Test that the struct field in anonunion.go was promoted.
|
|
var v1 T
|
|
var v2 = v1.L
|
|
|
|
// Test that P, Q, and R all point to byte.
|
|
var v3 = Issue8478{P: (*byte)(nil), Q: (**byte)(nil), R: (***byte)(nil)}
|
|
|
|
// Test that N, A and B are fully defined
|
|
var v4 = N{}
|
|
var v5 = A{}
|
|
var v6 = B{}
|
|
|
|
// Test that S is fully defined
|
|
var v7 = S{}
|
|
|
|
// Test that #define'd type is fully defined
|
|
var _ = issue38649{X: 0}
|
|
|
|
// Test that prefixes do not cause duplicate field names.
|
|
var _ = Issue48396{Fd: 1, Bpf_fd: 2}
|
|
|
|
func main() {
|
|
pass := true
|
|
|
|
// The Go translation of bitfields should not have any of the
|
|
// bitfield types. The order in which bitfields are laid out
|
|
// in memory is implementation defined, so we can't easily
|
|
// know how a bitfield should correspond to a Go type, even if
|
|
// it appears to be aligned correctly.
|
|
bitfieldType := reflect.TypeOf(bitfields{})
|
|
check := func(name string) {
|
|
_, ok := bitfieldType.FieldByName(name)
|
|
if ok {
|
|
fmt.Fprintf(os.Stderr, "found unexpected bitfields field %s\n", name)
|
|
pass = false
|
|
}
|
|
}
|
|
check("Short1")
|
|
check("Short2")
|
|
check("Short3")
|
|
|
|
if !pass {
|
|
os.Exit(1)
|
|
}
|
|
}
|