Added unit test for map omission

build.gradle

@@ -36,7 +36,7 @@ subprojects{ subproject ->
     apply plugin: 'kotlin'
 
     group = 'com.github.marcoferrer.krotoplus'
-    version = '0.3.0'
+    version = '0.3.0-fixed'
 
     compileKotlin {
         kotlinOptions.jvmTarget = "1.8"

protoc-gen-kroto-plus/generator-tests/src/test/kotlin/com/github/marcoferrer/krotoplus/generators/ProtoBuildersGeneratorTests.kt

@@ -22,6 +22,7 @@ import io.grpc.examples.helloworld.HelloWorldProtoDslBuilder
 import io.grpc.examples.helloworld.orDefault
 import org.junit.Test
 import test.message.*
+import test.message.multi.MappedMessage
 import kotlin.test.assertEquals
 import kotlin.test.assertNotEquals
 
@@ -102,4 +103,16 @@ class ProtoBuildersGeneratorTests {
         assertNotEquals(message1.nestedMessage, result.nestedMessage)
         assertEquals(message2.nestedMessage.field, result.nestedMessage.field)
     }
+
+    @Test
+    fun `Test message map omission`() {
+        val key = "test"
+        val value = "value"
+
+        val message = MappedMessage {
+            putTheField(key, value)
+        }
+
+        assertEquals(message.theFieldMap[key], value)
+    }
 }

test-api/src/main/proto/message/test_messages_multi.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+package validate.test;
+
+option java_package = "test.message.multi";
+option java_multiple_files = true;
+
+message MappedMessage {
+    map<string, string> the_field = 1;
+}
+
+message RegularMessage {
+    int32 the_field = 1;
+}