4 files changed, 8 insertions, 8 deletions
diff --git a/src/qt/test/paymentservertests.cpp b/src/qt/test/paymentservertests.cpp
index b9a8ad6e28..c7830071ed 100644
--- a/src/qt/test/paymentservertests.cpp
+++ b/src/qt/test/paymentservertests.cpp
@@ -25,7 +25,7 @@ X509 *parse_b64der_cert(const char* cert_data)
     std::vector<unsigned char> data = DecodeBase64(cert_data);
     assert(data.size() > 0);
     const unsigned char* dptr = &data[0];
-    X509 *cert = d2i_X509(NULL, &dptr, data.size());
+    X509 *cert = d2i_X509(nullptr, &dptr, data.size());
     assert(cert);
     return cert;
 }
@@ -66,7 +66,7 @@ void PaymentServerTests::paymentServerTests()
 {
     SelectParams(CBaseChainParams::MAIN);
     OptionsModel optionsModel;
-    PaymentServer* server = new PaymentServer(NULL, false);
+    PaymentServer* server = new PaymentServer(nullptr, false);
     X509_STORE* caStore = X509_STORE_new();
     X509_STORE_add_cert(caStore, parse_b64der_cert(caCert1_BASE64));
     PaymentServer::LoadRootCAs(caStore);
@@ -205,7 +205,7 @@ void PaymentServerTests::paymentServerTests()
     delete server;
 }
 
-void RecipientCatcher::getRecipient(SendCoinsRecipient r)
+void RecipientCatcher::getRecipient(const SendCoinsRecipient& r)
 {
     recipient = r;
 }
diff --git a/src/qt/test/paymentservertests.h b/src/qt/test/paymentservertests.h
index 9ffcbb02ac..faf167f2c6 100644
--- a/src/qt/test/paymentservertests.h
+++ b/src/qt/test/paymentservertests.h
@@ -26,7 +26,7 @@ class RecipientCatcher : public QObject
     Q_OBJECT
 
 public Q_SLOTS:
-    void getRecipient(SendCoinsRecipient r);
+    void getRecipient(const SendCoinsRecipient& r);
 
 public:
     SendCoinsRecipient recipient;
diff --git a/src/qt/test/rpcnestedtests.cpp b/src/qt/test/rpcnestedtests.cpp
index fbad9e544a..cd9ab23457 100644
--- a/src/qt/test/rpcnestedtests.cpp
+++ b/src/qt/test/rpcnestedtests.cpp
@@ -41,7 +41,7 @@ void RPCNestedTests::rpcNestedTests()
     std::string path = QDir::tempPath().toStdString() + "/" + strprintf("test_bitcoin_qt_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));
     QDir dir(QString::fromStdString(path));
     dir.mkpath(".");
-    ForceSetArg("-datadir", path);
+    gArgs.ForceSetArg("-datadir", path);
     //mempool.setSanityCheck(1.0);
 
     TestingSetup test;
@@ -69,13 +69,13 @@ void RPCNestedTests::rpcNestedTests()
     RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo "); //whitespace at the end will be tolerated
     QVERIFY(result.substr(0,1) == "{");
 
-    (RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()[\"chain\"]")); //Quote path identifier are allowed, but look after a child contaning the quotes in the key
+    (RPCConsole::RPCExecuteCommandLine(result, "getblockchaininfo()[\"chain\"]")); //Quote path identifier are allowed, but look after a child containing the quotes in the key
     QVERIFY(result == "null");
 
     (RPCConsole::RPCExecuteCommandLine(result, "createrawtransaction [] {} 0")); //parameter not in brackets are allowed
     (RPCConsole::RPCExecuteCommandLine(result2, "createrawtransaction([],{},0)")); //parameter in brackets are allowed
     QVERIFY(result == result2);
-    (RPCConsole::RPCExecuteCommandLine(result2, "createrawtransaction( [],  {} , 0   )")); //whitespace between parametres is allowed
+    (RPCConsole::RPCExecuteCommandLine(result2, "createrawtransaction( [],  {} , 0   )")); //whitespace between parameters is allowed
     QVERIFY(result == result2);
 
     RPCConsole::RPCExecuteCommandLine(result, "getblock(getbestblockhash())[tx][0]", &filtered);
diff --git a/src/qt/test/test_main.cpp b/src/qt/test/test_main.cpp
index 1b28a285f1..80a00a634a 100644
--- a/src/qt/test/test_main.cpp
+++ b/src/qt/test/test_main.cpp
@@ -57,7 +57,7 @@ int main(int argc, char *argv[])
     bool fInvalid = false;
 
     // Prefer the "minimal" platform for the test instead of the normal default
-    // platform ("xcb", "windows", or "cocoa") so tests can't unintentially
+    // platform ("xcb", "windows", or "cocoa") so tests can't unintentionally
     // interfere with any background GUIs and don't require extra resources.
     #if defined(WIN32)
         _putenv_s("QT_QPA_PLATFORM", "minimal");