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go/test/method7.go
griesemer c74712b3b2 test: add test cases for method expressions with literal receiver types
For #9060.

Change-Id: Ibd0f047083f3c98cec96c655a3e2024df8e1d2a0
Reviewed-on: https://go-review.googlesource.com/73554
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2017-10-26 03:47:37 +00:00

58 lines
995 B
Go

// run
// Copyright 2017 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 forms of method expressions T.m where T is
// a literal type.
package main
var got, want string
type I interface {
m()
}
type S struct {
}
func (S) m() { got += " m()" }
func (S) m1(s string) { got += " m1(" + s + ")" }
type T int
func (T) m2() { got += " m2()" }
func main() {
// method expressions with named receiver types
I.m(S{})
want += " m()"
S.m1(S{}, "a")
want += " m1(a)"
// method expressions with literal receiver types
f := interface{ m1(string) }.m1
f(S{}, "b")
want += " m1(b)"
interface{ m1(string) }.m1(S{}, "c")
want += " m1(c)"
x := S{}
interface{ m1(string) }.m1(x, "d")
want += " m1(d)"
g := struct{ T }.m2
_ = g
// cannot link the call below - see #22444
// g(struct{T}{})
// want += " m2()"
if got != want {
panic("got" + got + ", want" + want)
}
}