New go generator shakedown.

mojom/generators/go/templates/decoding_test.go

 // Copyright 2016 The Chromium 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 templates
 
 import (
         "testing"
 )
 
@@ skipping 229 matching lines @@
 
         encodingInfo := mockEncodingInfo{
                 isEnum:       true,
                 identifier:   "s.EnumField",
                 goType:       "SomeEnum",
                 readFunction: "ReadInt32",
         }
 
         check(t, expected, "FieldDecodingTmpl", encodingInfo)
 }
+
+func TestDecodingNullableInterfaceFieldDecoding(t *testing.T) {
+        expected := `handle, err := decoder.ReadInterface()
+if err != nil {
+        return err
+}
+if handle.IsValid() {
+        handleOwner := bindings.NewMessagePipeHandleOwner(handle)
+        s.IntField = SomeInterface_Pointer{handleOwner}
+} else {
+        return &bindings.ValidationError{bindings.UnexpectedInvalidHandle, "unexpected invalid handle"}
+}`
+
+        encodingInfo := mockEncodingInfo{
+                isInterface:  true,
+                identifier:   "s.IntField",
+                readFunction: "ReadInterface",
+                goType:       "SomeInterface",
+        }
+
+        check(t, expected, "FieldDecodingTmpl", encodingInfo)
+}
+
+func TestDecodingInterfaceRequestFieldDecoding(t *testing.T) {
+        expected := `handle, err := decoder.ReadMessagePipeHandle()
+if err != nil {
+        return err
+}
+if handle.IsValid() {
+        handleOwner := bindings.NewMessagePipeHandleOwner(handle)
+        s.IntField = SomeInterface_Request{handleOwner}
+} else {
+        return &bindings.ValidationError{bindings.UnexpectedInvalidHandle, "unexpected invalid handle"}
+}`
+
+        encodingInfo := mockEncodingInfo{
+                isInterface:        true,
+                isInterfaceRequest: true,
+                identifier:         "s.IntField",
+                readFunction:       "ReadMessagePipeHandle",
+                goType:             "SomeInterface",
+        }
+
+        check(t, expected, "FieldDecodingTmpl", encodingInfo)
+}
+
+func TestDecodingNullableInterfaceRequestFieldDecoding(t *testing.T) {
+        expected := `handle, err := decoder.ReadMessagePipeHandle()
+if err != nil {
+        return err
+}
+if handle.IsValid() {
+        handleOwner := bindings.NewMessagePipeHandleOwner(handle)
+        s.IntField = &SomeInterface_Request{handleOwner}
+} else {
+        s.IntField = nil
+}`
+
+        encodingInfo := mockEncodingInfo{
+                isInterface:        true,
+                isInterfaceRequest: true,
+                isNullable:         true,
+                identifier:         "s.IntField",
+                readFunction:       "ReadMessagePipeHandle",
+                goType:             "SomeInterface",
+        }
+
+        check(t, expected, "FieldDecodingTmpl", encodingInfo)
+}