diff options
Diffstat (limited to 'misc/cgo/testgodefs/testdata/main.go')
| -rw-r--r-- | misc/cgo/testgodefs/testdata/main.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/misc/cgo/testgodefs/testdata/main.go b/misc/cgo/testgodefs/testdata/main.go index 2e1ad3376a..4a3f6a701c 100644 --- a/misc/cgo/testgodefs/testdata/main.go +++ b/misc/cgo/testgodefs/testdata/main.go @@ -4,6 +4,12 @@ package main +import ( + "fmt" + "os" + "reflect" +) + // Test that the struct field in anonunion.go was promoted. var v1 T var v2 = v1.L @@ -23,4 +29,26 @@ var v7 = S{} var _ = issue38649{X: 0} 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) + } } |