Fix oneof union mixin.

Author: ShigekiKarita

src/google/protobuf/common.d

@@ -130,13 +130,14 @@ enum string oneofAccessorName(alias field) = {
 
 enum string oneofAccessors(alias field) = {
     import std.string : format;
+    import std.traits : fullyQualifiedName;
 
     enum accessorName = oneofAccessorName!field;
 
     return "
         @property %1$s %2$s() { return %3$s == typeof(%3$s).%2$s ? _%2$s : protoDefaultValue!(%1$s); }
         @property void %2$s(%1$s _) { _%2$s = _; %3$s = typeof(%3$s).%2$s; }
-        ".format(typeof(field).stringof, accessorName, oneofCaseFieldName!field);
+        ".format(fullyQualifiedName!(typeof(field)), accessorName, oneofCaseFieldName!field);
 }();
 
 template Message(T)

test/.gitignore

@@ -0,0 +1 @@
+test-test-library

test/a/b/c.proto

@@ -15,4 +15,4 @@ message C {
     A.B ob = 2;
     int32 oi = 3;
   }
-}
+}

test/dub.json

@@ -0,0 +1,10 @@
+{
+    "name": "test",
+    "targetType": "library",
+    "targetName": "test",
+    "importPaths": ["golden"],
+    "sourcePaths": ["golden"],
+    "dependencies": {
+        "protobuf": { "path": ".." }
+    }
+}

test/run.sh

@@ -9,6 +9,12 @@ cd -
 rm -rf generated
 mkdir generated
 
+dub test
+if [ $? -ne 0 ]; then
+    echo "ERROR: golden is invalid."
+    exit 1
+fi
+
 check() {
     protoc ${PROTO_PATH:-} --plugin=../build/protoc-gen-d "${1}" --d_out=generated
     # Ignore `enum protocVersion = ...;" line because it depends on the env.