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go/test/alias2.go
Robert Griesemer 3e11940437 [dev.typealias] cmd/compile: recognize type aliases but complain for now (not yet supported)
Added test file.

For #18130.

Change-Id: Ifcfd7cd1acf9dd6a2f4f3d85979d232bb6b8c6b1
Reviewed-on: https://go-review.googlesource.com/34988
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-01-10 00:10:11 +00:00

59 lines
1.6 KiB
Go

// errorcheck
// Copyright 2016 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.
// Test basic restrictions on type aliases.
// The compiler doesn't implement type aliases yet,
// so for now we get the same error (unimplemented)
// everywhere, OR-ed into the ERROR checks.
// TODO(gri) remove the need for "unimplemented"
package p
import (
"reflect"
. "reflect"
)
// Valid type alias declarations.
type _ = int // ERROR "unimplemented"
type _ = struct{} // ERROR "unimplemented"
type _ = reflect.Value // ERROR "unimplemented"
type _ = Value // ERROR "unimplemented"
type (
a1 = int // ERROR "unimplemented"
a2 = struct{} // ERROR "unimplemented"
a3 = reflect.Value // ERROR "unimplemented"
a4 = Value // ERROR "unimplemented"
)
func _() {
type _ = int // ERROR "unimplemented"
type _ = struct{} // ERROR "unimplemented"
type _ = reflect.Value // ERROR "unimplemented"
type _ = Value // ERROR "unimplemented"
type (
a1 = int // ERROR "unimplemented"
a2 = struct{} // ERROR "unimplemented"
a3 = reflect.Value // ERROR "unimplemented"
a4 = Value // ERROR "unimplemented"
)
}
// Invalid type alias declarations.
type _ = reflect.ValueOf // ERROR "reflect.ValueOf is not a type|unimplemented"
type b1 = struct{} // ERROR "unimplemented"
func (b1) m() {} // disabled ERROR "invalid receiver type"
// TODO(gri) expand
// It appears that type-checking exits after some more severe errors, so we may
// need more test files.