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Diffstat (limited to 'test/method7.go')
-rw-r--r-- | test/method7.go | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/method7.go b/test/method7.go new file mode 100644 index 0000000..05accb3 --- /dev/null +++ b/test/method7.go @@ -0,0 +1,67 @@ +// 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()" } + +type Outer struct{ *Inner } +type Inner struct{ s string } + +func (i Inner) M() string { return i.s } + +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(struct{ T }{}) + want += " m2()" + + if got != want { + panic("got" + got + ", want" + want) + } + + h := (*Outer).M + got := h(&Outer{&Inner{"hello"}}) + want := "hello" + if got != want { + panic("got " + got + ", want " + want) + } +} |