go/test/interface/receiver1.go
Robert Griesemer 7a1aa7dfaf [dev.typeparams] test: adjust more test cases to match compiler -G output
With this CL, the first ~500 errorcheck tests pass when running

go run run.go -v -G

in the $GOROOT/test directory (the log output includes a few dozen
tests that are currently skipped).

Change-Id: I9eaa2319fb39a090df54f8699ddc29ffe58b1bf1
Reviewed-on: https://go-review.googlesource.com/c/go/+/274975
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-12-03 17:55:56 +00:00

60 lines
790 B
Go

// errorcheck
// Copyright 2009 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.
// Verify compiler complains about missing implicit methods.
// Does not compile.
package main
type T int
func (t T) V()
func (t *T) P()
type V interface {
V()
}
type P interface {
P()
V()
}
type S struct {
T
}
type SP struct {
*T
}
func main() {
var t T
var v V
var p P
var s S
var sp SP
v = t
p = t // ERROR "does not implement|requires a pointer|cannot use"
_, _ = v, p
v = &t
p = &t
_, _ = v, p
v = s
p = s // ERROR "does not implement|requires a pointer|cannot use"
_, _ = v, p
v = &s
p = &s
_, _ = v, p
v = sp
p = sp // no error!
_, _ = v, p
v = &sp
p = &sp
_, _ = v, p
}