From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- test/ken/interfun.go | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 test/ken/interfun.go (limited to 'test/ken/interfun.go') diff --git a/test/ken/interfun.go b/test/ken/interfun.go new file mode 100644 index 0000000..9432181 --- /dev/null +++ b/test/ken/interfun.go @@ -0,0 +1,59 @@ +// run + +// 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. + +// Test interfaces and methods. + +package main + +type S struct { + a,b int; +} + +type I1 interface { + f ()int; +} + +type I2 interface { + g() int; + f() int; +} + +func (this *S) f()int { + return this.a; +} + +func (this *S) g()int { + return this.b; +} + +func +main() { + var i1 I1; + var i2 I2; + var g *S; + + s := new(S); + s.a = 5; + s.b = 6; + + // call structure + if s.f() != 5 { panic(11); } + if s.g() != 6 { panic(12); } + + i1 = s; // convert S to I1 + i2 = i1.(I2); // convert I1 to I2 + + // call interface + if i1.f() != 5 { panic(21); } + if i2.f() != 5 { panic(22); } + if i2.g() != 6 { panic(23); } + + g = i1.(*S); // convert I1 to S + if g != s { panic(31); } + + g = i2.(*S); // convert I2 to S + if g != s { panic(32); } +} -- cgit v1.2.3