test: Add tests for copy/move semantics

PR-URL: #1295
Reviewed-By: Michael Dawson <[email protected]

Author: JckXia

test/error.cc

@@ -1,4 +1,6 @@
+#include <string.h>
 #include <future>
+#include "assert.h"
 #include "napi.h"
 
 using namespace Napi;
@@ -69,6 +71,34 @@ void LastExceptionErrorCode(const CallbackInfo& info) {
   NAPI_THROW_VOID(Error::New(env));
 }
 
+void TestErrorCopySemantics(const Napi::CallbackInfo& info) {
+  Napi::Error newError = Napi::Error::New(info.Env(), "errorCopyCtor");
+  Napi::Error existingErr;
+
+#ifdef NAPI_CPP_EXCEPTIONS
+  std::string msg = "errorCopyCtor";
+  assert(strcmp(newError.what(), msg.c_str()) == 0);
+#endif
+
+  Napi::Error errCopyCtor = newError;
+  assert(errCopyCtor.Message() == "errorCopyCtor");
+
+  existingErr = newError;
+  assert(existingErr.Message() == "errorCopyCtor");
+}
+
+void TestErrorMoveSemantics(const Napi::CallbackInfo& info) {
+  std::string errorMsg = "errorMoveCtor";
+  Napi::Error newError = Napi::Error::New(info.Env(), errorMsg.c_str());
+  Napi::Error errFromMove = std::move(newError);
+  assert(errFromMove.Message() == "errorMoveCtor");
+
+  newError = Napi::Error::New(info.Env(), "errorMoveAssign");
+  Napi::Error existingErr = std::move(newError);
+
+  assert(existingErr.Message() == "errorMoveAssign");
+}
+
 #ifdef NAPI_CPP_EXCEPTIONS
 
 void ThrowJSError(const CallbackInfo& info) {
@@ -328,6 +358,10 @@ void ThrowDefaultError(const CallbackInfo& info) {
 Object InitError(Env env) {
   Object exports = Object::New(env);
   exports["throwApiError"] = Function::New(env, ThrowApiError);
+  exports["testErrorCopySemantics"] =
+      Function::New(env, TestErrorCopySemantics);
+  exports["testErrorMoveSemantics"] =
+      Function::New(env, TestErrorMoveSemantics);
   exports["lastExceptionErrorCode"] =
       Function::New(env, LastExceptionErrorCode);
   exports["throwJSError"] = Function::New(env, ThrowJSError);

test/error.js

@@ -11,6 +11,8 @@ module.exports = require('./common').runTestWithBindingPath(test);
 
 function test (bindingPath) {
   const binding = require(bindingPath);
+  binding.error.testErrorCopySemantics();
+  binding.error.testErrorMoveSemantics();
 
   assert.throws(() => binding.error.throwApiError('test'), function (err) {
     return err instanceof Error && err.message.includes('Invalid');