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go/misc/cgo/testgodefs/testdata/main.go
Ian Lance Taylor 265b59aefd cmd/cgo: for godefs, don't let field prefix removal cause duplicates
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>
2021-09-16 23:56:28 +00:00

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)
}
}