问Qt自动测试只有在“重建”之后才有效，而不是在“构建”之后才有效。

EN

/project
 |- project.pro                 -- template = subdirs
 |- /app
 |   |- app.pro                 -- template = app
 |   |- main.cpp
 |   \- mainwindow and source files
 \- /tests
     |- tests.pro               -- template = subdirs
     \- /unittests
         |- unittests.pro       -- template = subdirs
         \- /objectXTest
             |- objectXTest.pro -- template = app
             |- tst_objectXTest.cpp
             \- tst_objectXTest.h

QT += testlib
QT -= gui

SRC_DIR = ../../../app
INCLUDEPATH += \
    $${SRC_DIR} \                    # common/global project root headers
    $${SRC_DIR}/path/to/objectX      # headers relative to unit's source directory

CONFIG += qt console warn_on depend_includepath testcase
CONFIG -= app_bundle

TEMPLATE = app

SOURCES += \
    tst_objectXTest.cpp \
    $${SRC_DIR}/path/to/objectX/objectX.cpp

HEADERS += \
    tst_objectXTest.h

// tst_objectXTest.h
#ifndef TST_OBJECTXTEST_H
#define TST_OBJECTXTEST_H

#include <QtTest>

// add necessary includes here
#include "objectX.h"

class ObjectXTest : public QObject {
    Q_OBJECT

public:
    ObjectXTest () {}
    ~ObjectXTest () {}

private slots:
    void initTestCase();
    void cleanupTestCase();

    void test_construction();
};

#endif // TST_OBJECTXTEST_H

// tst_objectXTest.cpp
#include "tst_objectXTest.h"

void ObjectXTest::initTestCase() { }
void ObjectXTest::cleanupTestCase() { }

void ObjectXTest::test_construction() {
    auto p_ox = new ObjectX();
    QWARN("some message");
    delete p_ox;
}

QTEST_APPLESS_MAIN(ObjectXTest)