From c74712b3b2a38393157bad0550657fd06a5c5a8a Mon Sep 17 00:00:00 2001 From: griesemer Date: Wed, 25 Oct 2017 16:11:51 -0700 Subject: [PATCH] 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 --- test/method7.go | 57 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 test/method7.go diff --git a/test/method7.go b/test/method7.go new file mode 100644 index 0000000000..4e1b3c340a --- /dev/null +++ b/test/method7.go @@ -0,0 +1,57 @@ +// 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) + } +} -- 2.48.1