test of struct with embedded interface.

also tests method calls on ptr to interface value.

R=r
DELTA=74  (74 added, 0 deleted, 0 changed)
OCL=28419
CL=28424

diff --git a/test/interface10.go b/test/interface10.go
new file mode 100644 (file)
index 0000000..6afd42a
--- /dev/null
+++ b/test/interface10.go
@@ -0,0 +1,78 @@
+// $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)
+       }
+}