Fix boolean conversion in sync RN method calls.

Reviewed By: fromcelticpark

Differential Revision: D6408182

fbshipit-source-id: 251ab0cfe3197e59de0cb86816d5f0b908433b43

Author: Dmitry Zakharov

ReactAndroid/src/main/jni/react/jni/MethodInvoker.cpp

@@ -158,7 +158,7 @@ MethodInvoker::MethodInvoker(alias_ref<JReflectMethod::javaobject> method, std::
  isSync_(isSync) {
      CHECK(signature_.at(1) == '.') << "Improper module method signature";
      CHECK(isSync_ || signature_.at(0) == 'v') << "Non-sync hooks cannot have a non-void return type";
- }
+}
 
 MethodCallResult MethodInvoker::invoke(std::weak_ptr<Instance>& instance, alias_ref<JBaseJavaModule::javaobject> module, const folly::dynamic& params) {
   #ifdef WITH_FBSYSTRACE
@@ -191,13 +191,26 @@ MethodCallResult MethodInvoker::invoke(std::weak_ptr<Instance>& instance, alias_
   return folly::dynamic(result);                                             \
 }
 
+#define PRIMITIVE_CASE_CASTING(METHOD, RESULT_TYPE) {                        \
+  auto result = env->Call ## METHOD ## MethodA(module.get(), method_, args); \
+  throwPendingJniExceptionAsCppException();                                  \
+  return folly::dynamic(static_cast<RESULT_TYPE>(result));                   \
+}
+
 #define OBJECT_CASE(JNI_CLASS, ACTIONS) {                                 \
   auto jobject = env->CallObjectMethodA(module.get(), method_, args);     \
   throwPendingJniExceptionAsCppException();                               \
   auto result = adopt_local(static_cast<JNI_CLASS::javaobject>(jobject)); \
   return folly::dynamic(result->ACTIONS());                               \
 }
 
+#define OBJECT_CASE_CASTING(JNI_CLASS, ACTIONS, RESULT_TYPE) {            \
+  auto jobject = env->CallObjectMethodA(module.get(), method_, args);     \
+  throwPendingJniExceptionAsCppException();                               \
+  auto result = adopt_local(static_cast<JNI_CLASS::javaobject>(jobject)); \
+  return folly::dynamic(static_cast<RESULT_TYPE>(result->ACTIONS()));     \
+}
+
   char returnType = signature_.at(0);
   switch (returnType) {
     case 'v':
@@ -206,9 +219,9 @@ MethodCallResult MethodInvoker::invoke(std::weak_ptr<Instance>& instance, alias_
       return folly::none;
 
     case 'z':
-      PRIMITIVE_CASE(Boolean)
+      PRIMITIVE_CASE_CASTING(Boolean, bool)
     case 'Z':
-      OBJECT_CASE(JBoolean, value)
+      OBJECT_CASE_CASTING(JBoolean, value, bool)
     case 'i':
       PRIMITIVE_CASE(Int)
     case 'I':