describe each interface test

R=r
DELTA=20  (20 added, 0 deleted, 0 changed)
OCL=28707
CL=28716

test/interface1.go

@@ -4,6 +4,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Check that interface{M()} = *interface{M()} produces a compiler error.
+
 package main
 
 type Inst interface {

test/interface10.go

@@ -4,6 +4,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Check methods derived from embedded interface and *interface values.
+
 package main
 
 import "os"

test/interface2.go

@@ -4,6 +4,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Check that interface conversion fails when method is missing.
+
 package main
 
 type S struct

test/interface3.go

@@ -4,6 +4,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Check methods with different return types.
+
 package main
 
 type S struct { a int }

test/interface5.go

@@ -4,6 +4,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Static error messages about interface conversions.
+
 package main
 
 type T struct { a int }

test/interface6.go

@@ -4,6 +4,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Interface values containing structures.
+
 package main
 
 import "os"

test/interface7.go

@@ -4,6 +4,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Interface comparisons using types hidden
+// inside reflected-on structs.
+
 package main
 
 import "reflect"

test/interface8.go

@@ -4,6 +4,9 @@
 
 // $G $F.go && $L $F.$A && ./$A.out
 
+// Implicit methods for embedded types.
+// Mixed pointer and non-pointer receivers.
+
 package main
 
 type T int

test/interface9.go

@@ -4,6 +4,8 @@
 
 // errchk $G $F.go
 
+// Error messages about missing implicit methods.
+
 package main
 
 type T int