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test of struct with embedded interface.

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also tests method calls on ptr to interface value.

R=r
DELTA=74  (74 added, 0 deleted, 0 changed)
OCL=28419
CL=28424
This commit is contained in:
Russ Cox 2009-05-07 13:43:00 -07:00
parent 401a95aa83
commit 9ab8129ebe
1 changed files with 78 additions and 0 deletions
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78
test/interface10.go Normal file
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// $G $D/$F.go && $L $F.$A && ./$A.out
// 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.
package main
const Value = 1e12
type Inter interface { M() int64 }
type T int64
func (t T) M() int64 { return t }
var t = T(Value)
var pt = &t
var ti Inter = t
var pti = &ti
type S struct { Inter }
var s = S{ ti }
var ps = &s
type SP struct { *Inter }
var sp = SP{ &ti }
var psp = &sp
var i Inter
var pi = &i
var ok = true
func check(v int64, s string) {
if v != Value {
println(s, v);
ok = false;
}
}
func main() {
check(t.M(), "t.M");
check(pt.M(), "pt.M");
check(ti.M(), "ti.M");
check(pti.M(), "pti.M");
check(s.M(), "s.M");
check(ps.M(), "ps.M");
check(sp.M(), "sp.M");
check(psp.M(), "psp.M");
i = t;
check(i.M(), "i.M - i = t");
check(pi.M(), "pi.M - i = t");
i = pt;
check(i.M(), "i.M - i = pt");
check(pi.M(), "pi.M - i = pt");
i = s;
check(i.M(), "i.M - i = s");
check(pi.M(), "pi.M - i = s");
i = ps;
check(i.M(), "i.M - i = ps");
check(pi.M(), "pi.M - i = ps");
i = sp;
check(i.M(), "i.M - i = sp");
check(pi.M(), "pi.M - i = sp");
i = psp;
check(i.M(), "i.M - i = psp");
check(pi.M(), "pi.M - i = psp");
if !ok {
println("BUG: interface10");
sys.Exit(1)
}
}