QTest Crash: Requested testdata not available, check your _data function

Kevin470

Hello,
As mentioned in my previous post "https://forum.qt.io/topic/141202/qt6-cmake-undefined-reference-to-winmain", I am learning QTest and CMake with QtCreator.
I recently upgraded Qt and Qt Creator to Qt 6.4.1and QtCreator 9.
Is there a possibility that there could be a bug with the latest version of either one of them since a sample QTest Module crashes when a Data Driven Unit Test is run.
The Sample Code I have for testing:

#include <QObject>
#include <QTest>
#include "../adder.hpp"

class TestAdder : public QObject
{
private:
    Q_OBJECT

private slots:

    void test1_data();
    void test1();

};

void TestAdder::test1_data()
{
    QTest::addColumn<int>("FirstNumber");
    QTest::addColumn<int>("SecondNumber");

    QTest::newRow("FirstTest") << 1 << 7;
    QTest::newRow("SecondTest") << 8 << 11;
}

void TestAdder::test1()
{
    QFETCH(int, firstNumber);
    QFETCH(int, secondNumber);
    QCOMPARE(Adder::add_function(firstNumber,secondNumber), (firstNumber + secondNumber));
}

QTEST_MAIN(TestAdder);

#include "test_adder.moc"

The Fatal Error it throws:

FAIL	Executing test case TestAdder
	Qt version: 6.4.1
	Qt build: Qt 6.4.1 (x86_64-little_endian-llp64 shared (dynamic) release build; by GCC 11.2.0)
	QTest version: 6.4.1
PASS	Executing test function initTestCase
PASS	TestAdder::initTestCase
	Execution took 0.6662 ms.
FAIL	Executing test function test1
FAIL	Data tag: First Try
FATAL	QFETCH: Requested testdata 'firstNumber' not available, check your _data function.
FAIL	TestAdder::test1 (First Try)
Received a fatal error.
	Execution took 0.0497 ms.
	Test execution took 0.7977 ms.
FATAL	Test executable crashed.
FATAL	Test for project "adder" crashed.
Command line: C:\Users\UserName\Documents\Qt_Projects\build-cmake_with_tests-Desktop_Qt_6_4_1_MinGW_64_bit-Debug\tests\adder.exe -xml test1
Run configuration: "adder"

"Edit: Tried with QTest::addRow() as well. Same issue.
The Adder Class has one static public function static int add_function(int a, int b); which just returns an added value of 'a' and 'b'"

Christian Ehrlicher

'firstNumber' != 'FirstNumber'
See https://doc.qt.io/qt-6/qtest.html#QFETCH

Kevin470

@Christian-Ehrlicher Thank you so much. That is a very rookie mistake from my end. Thanks again