qt 6.5.1 original

tests/auto/other/qaccessibilitymac/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+if(NOT APPLE)
+    return()
+endif()
+
+qt_internal_add_test(tst_qaccessibilitymac
+    SOURCES
+        tst_qaccessibilitymac.mm
+    LIBRARIES
+        Qt::Gui
+        Qt::Widgets
+        ${FWAppKit}
+        ${FWApplicationServices}
+        ${FWSecurity}
+)

tests/auto/other/qaccessibilitymac/tst_qaccessibilitymac.mm

@@ -0,0 +1,736 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QApplication>
+#include <QtWidgets>
+#include <QTest>
+#include <QtCore/qcoreapplication.h>
+
+// some versions of CALayer.h use 'slots' as an identifier
+#define QT_NO_KEYWORDS
+
+#include <QtWidgets/qapplication.h>
+#include <QtWidgets/qlineedit.h>
+#include <QtWidgets/qpushbutton.h>
+#include <QtWidgets>
+#include <QTest>
+#include <unistd.h>
+
+#import <AppKit/AppKit.h>
+#import <ApplicationServices/ApplicationServices.h>
+
+QT_USE_NAMESPACE
+
+struct AXErrorTag {
+    AXError err;
+    explicit AXErrorTag(AXError theErr) : err(theErr) {}
+};
+
+QDebug operator<<(QDebug dbg, AXErrorTag err)
+{
+    QDebugStateSaver saver(dbg);
+
+    const char *errDesc = 0;
+    const char *errName = 0;
+    switch (err.err) {
+#define HANDLE_ERR(error, desc) case kAXError##error: errName = "kAXError" #error; errDesc = desc; break
+        HANDLE_ERR(Success, "Success");
+        HANDLE_ERR(Failure, "A system error occurred, such as the failure to allocate an object.");
+        HANDLE_ERR(IllegalArgument, "An illegal argument was passed to the function.");
+        HANDLE_ERR(InvalidUIElement, "The AXUIElementRef passed to the function is invalid.");
+        HANDLE_ERR(InvalidUIElementObserver, "The AXObserverRef passed to the function is not a valid observer.");
+        HANDLE_ERR(CannotComplete, "The function cannot complete because messaging failed in some way or because the application with which the function is communicating is busy or unresponsive.");
+        HANDLE_ERR(AttributeUnsupported, "The attribute is not supported by the AXUIElementRef.");
+        HANDLE_ERR(ActionUnsupported, "The action is not supported by the AXUIElementRef.");
+        HANDLE_ERR(NotificationUnsupported, "The notification is not supported by the AXUIElementRef.");
+        HANDLE_ERR(NotImplemented, "Indicates that the function or method is not implemented (this can be returned if a process does not support the accessibility API).");
+        HANDLE_ERR(NotificationAlreadyRegistered, "This notification has already been registered for.");
+        HANDLE_ERR(NotificationNotRegistered, "Indicates that a notification is not registered yet.");
+        HANDLE_ERR(APIDisabled, "The accessibility API is disabled (as when, for example, the user deselects \"Enable access for assistive devices\" in Universal Access Preferences).");
+        HANDLE_ERR(NoValue, "The requested value or AXUIElementRef does not exist.");
+        HANDLE_ERR(ParameterizedAttributeUnsupported, "The parameterized attribute is not supported by the AXUIElementRef.");
+        HANDLE_ERR(NotEnoughPrecision, "Not enough precision.");
+        default: errName = "<unknown error>"; errDesc = "UNKNOWN ERROR"; break;
+    }
+#undef HANDLE_ERR
+
+    dbg.nospace() << "AXError(value=" << err.err << ", name=" << errName << ", description=\"" << errDesc << "\")";
+
+    return dbg;
+}
+
+@interface TestAXObject : NSObject
+{
+    AXUIElementRef reference;
+}
+    @property (readonly) NSString *role;
+    @property (readonly) NSString *title;
+    @property (readonly) NSString *description;
+    @property (readonly) NSString *value;
+    @property (readonly) CGRect rect;
+    @property (readonly) NSArray *actions;
+@end
+
+@implementation TestAXObject
+
+- (instancetype)initWithAXUIElementRef:(AXUIElementRef)ref {
+
+    if ((self = [super init])) {
+        reference = ref;
+    }
+    return self;
+}
+
+- (AXUIElementRef) ref { return reference; }
+- (void) print {
+    NSLog(@"Accessible Object role: '%@', title: '%@', description: '%@', value: '%@', rect: '%@'", self.role, self.title, self.description, self.value, NSStringFromRect(NSRectFromCGRect(self.rect)));
+    NSLog(@"    Children: %ld", [[self childList] count]);
+}
+
+- (NSArray*) windowList
+{
+    NSArray *list;
+    AXUIElementCopyAttributeValues(
+                reference,
+                kAXWindowsAttribute,
+                0, 100, /*min, max*/
+                (CFArrayRef *) &list);
+    return list;
+}
+
+- (NSArray*) childList
+{
+    NSArray *list;
+    AXUIElementCopyAttributeValues(
+                reference,
+                kAXChildrenAttribute,
+                0, 100, /*min, max*/
+                (CFArrayRef *) &list);
+    return list;
+}
+
+- (NSArray *)tableRows
+{
+        NSArray *arr;
+        AXUIElementCopyAttributeValues(
+                    reference,
+                    kAXRowsAttribute,
+                    0, 100, /*min, max*/
+                    (CFArrayRef *) &arr);
+        return arr;
+}
+
+- (NSArray *)tableColumns
+{
+        NSArray *arr;
+        AXUIElementCopyAttributeValues(
+                    reference,
+                    kAXColumnsAttribute,
+                    0, 100, /*min, max*/
+                    (CFArrayRef *) &arr);
+        return arr;
+}
+
+- (AXUIElementRef) findDirectChildByRole: (CFStringRef) role
+{
+    TestAXObject *result = nil;
+    NSArray *childList = [self childList];
+    for (id child in childList) {
+        TestAXObject *childObject = [[TestAXObject alloc] initWithAXUIElementRef:(AXUIElementRef)child];
+        if ([childObject.role isEqualToString:(NSString*)role]) {
+            result = childObject;
+            break;
+        }
+    }
+    AXUIElementRef ret = [result ref];
+    [result release];
+    return ret;
+}
+
++ (TestAXObject *) getApplicationAXObject
+{
+    pid_t pid = getpid();
+    AXUIElementRef appRef = AXUIElementCreateApplication(pid);
+    TestAXObject *appObject = [[TestAXObject alloc] initWithAXUIElementRef: appRef];
+    return appObject;
+}
+
++ (NSInteger)_numberFromValue:(CFTypeRef)value
+{
+    NSInteger number = -1;
+    if (!CFNumberGetValue((CFNumberRef)value, kCFNumberNSIntegerType, &number))
+    {
+        qDebug() << "Could not get NSInteger value out of CFNumberRef";
+    }
+    return number;
+}
+
++ (BOOL)_boolFromValue:(CFTypeRef)value
+{
+    return CFBooleanGetValue((CFBooleanRef)value);
+}
+
++ (NSRange)_rangeFromValue:(CFTypeRef)value
+{
+    CFRange cfRange;
+    NSRange range = NSMakeRange(0, 0);
+
+    if (!AXValueGetValue(AXValueRef(value), AXValueType(kAXValueCFRangeType), &cfRange))
+        qDebug() << "Could not get CFRange value out of AXValueRef";
+    else if (cfRange.location < 0 || cfRange.length < 0)
+        qDebug() << "Cannot convert CFRange with negative location or length to NSRange";
+    else if (static_cast<uintmax_t>(cfRange.location) > NSUIntegerMax || static_cast<uintmax_t>(cfRange.length) > NSUIntegerMax)
+        qDebug() << "Cannot convert CFRange with location or length out of bounds for NSUInteger";
+    else
+    {
+        range.length = static_cast<NSUInteger>(cfRange.length);
+        range.location = static_cast<NSUInteger>(cfRange.location);
+    }
+
+    return range;
+}
+
++ (NSRect)_rectFromValue:(CFTypeRef)value
+{
+    NSRect rect = NSMakeRect(0, 0, 0, 0);
+    if (!AXValueGetValue(AXValueRef(value), AXValueType(kAXValueCGRectType), reinterpret_cast<CGRect*>(&rect)))
+    {
+        qDebug() << "Could not get CGRect value out of AXValueRef";
+    }
+    return rect;
+}
+
++ (NSPoint)_pointFromValue:(CFTypeRef)value
+{
+    NSPoint point = NSMakePoint(0, 0);
+    if (!AXValueGetValue(AXValueRef(value), AXValueType(kAXValueCGPointType), reinterpret_cast<CGPoint*>(&point)))
+    {
+        qDebug() << "Could not get CGPoint value out of AXValueRef";
+    }
+    return point;
+}
+
++ (NSSize)_sizeFromValue:(CFTypeRef)value
+{
+    NSSize size = NSMakeSize(0, 0);
+    if (!AXValueGetValue(AXValueRef(value), AXValueType(kAXValueCGSizeType), reinterpret_cast<CGSize*>(&size)))
+    {
+        qDebug() << "Could not get CGSize value out of AXValueRef";
+    }
+    return size;
+}
+
+- (CFTypeRef)_attributeValue:(CFStringRef)attribute
+{
+    CFTypeRef value = NULL;
+    AXError err;
+
+    if (kAXErrorSuccess != (err = AXUIElementCopyAttributeValue(reference, attribute, &value)))
+    {
+        qDebug() << "AXUIElementCopyAttributeValue(" << QString::fromCFString(attribute) << ") returned error = " << AXErrorTag(err);
+    }
+    return value;
+}
+
+- (NSString*)_stringAttributeValue:(CFStringRef)attribute
+{
+    return (NSString*)[self _attributeValue:attribute];
+}
+
+- (NSInteger)_numberAttributeValue:(CFStringRef)attribute
+{
+    return [[self class] _numberFromValue:[self _attributeValue:attribute]];
+}
+
+- (BOOL)_boolAttributeValue:(CFStringRef)attribute
+{
+    return [[self class] _boolFromValue:[self _attributeValue:attribute]];
+}
+
+- (NSRange)_rangeAttributeValue:(CFStringRef)attribute
+{
+    return [[self class] _rangeFromValue:[self _attributeValue:attribute]];
+}
+
+- (NSRect)_rectAttributeValue:(CFStringRef)attribute
+{
+    return [[self class] _rectFromValue:[self _attributeValue:attribute]];
+}
+
+- (NSPoint)_pointAttributeValue:(CFStringRef)attribute
+{
+    return [[self class] _pointFromValue:[self _attributeValue:attribute]];
+}
+
+- (NSSize)_sizeAttributeValue:(CFStringRef)attribute
+{
+    return [[self class] _sizeFromValue:[self _attributeValue:attribute]];
+}
+
+- (CFTypeRef)_attributeValue:(CFStringRef)attribute forParameter:(CFTypeRef)parameter
+{
+    CFTypeRef value = NULL;
+    AXError err;
+
+    if (kAXErrorSuccess != (err = AXUIElementCopyParameterizedAttributeValue(reference, attribute, parameter, &value)))
+    {
+        CFStringRef description = CFCopyDescription(parameter);
+        qDebug() << "AXUIElementCopyParameterizedAttributeValue(" << QString::fromCFString(attribute) << ", parameter=" << QString::fromCFString(description) << ") returned error = " << AXErrorTag(err);
+        CFRelease(description);
+    }
+    return value;
+}
+
+- (CFTypeRef)_attributeValue:(CFStringRef)attribute forRange:(NSRange)aRange
+{
+    CFRange cfRange = CFRangeMake(aRange.location, aRange.length);
+    AXValueRef range = AXValueCreate(AXValueType(kAXValueCFRangeType), &cfRange);
+    CFTypeRef value =  [self _attributeValue:attribute forParameter:range];
+    CFRelease(range);
+    return value;
+}
+
+- (CFTypeRef)_attributeValue:(CFStringRef)attribute forNumber:(NSInteger)aNumber
+{
+    CFNumberRef number = CFNumberCreate(NULL, kCFNumberNSIntegerType, &aNumber);
+    CFTypeRef value = [self _attributeValue:attribute forParameter:number];
+    CFRelease(number);
+    return value;
+}
+
+- (CFTypeRef)_attributeValue:(CFStringRef)attribute forPoint:(CGPoint)aPoint
+{
+    AXValueRef point = AXValueCreate(AXValueType(kAXValueCGPointType), &aPoint);
+    CFTypeRef value = [self _attributeValue:attribute forParameter:point];
+    CFRelease(point);
+    return value;
+}
+
+- (NSArray*)actions
+{
+    AXError err;
+    CFArrayRef actions;
+
+    if (kAXErrorSuccess != (err = AXUIElementCopyActionNames(reference, &actions)))
+    {
+        qDebug() << "AXUIElementCopyActionNames(...) returned error = " << AXErrorTag(err);
+    }
+
+    return (NSArray*)actions;
+}
+
+- (void)performAction:(CFStringRef)action
+{
+    AXError err;
+
+    if (kAXErrorSuccess != (err = AXUIElementPerformAction(reference, action)))
+    {
+        qDebug() << "AXUIElementPerformAction("  << QString::fromCFString(action) << ") returned error = " << AXErrorTag(err);
+    }
+}
+
+- (NSString*)           role { return [self _stringAttributeValue:kAXRoleAttribute]; }
+- (NSString*)           title { return [self _stringAttributeValue:kAXTitleAttribute]; }
+- (NSString*)           description { return [self _stringAttributeValue:kAXDescriptionAttribute]; }
+- (NSString*)           value { return [self _stringAttributeValue:kAXValueAttribute]; }
+- (NSInteger)           valueNumber { return [self _numberAttributeValue:kAXValueAttribute]; }
+- (NSRect)              rect
+{
+    NSRect rect;
+    rect.origin = [self _pointAttributeValue:kAXPositionAttribute];
+    rect.size = [self _sizeAttributeValue:kAXSizeAttribute];
+    return rect;
+}
+- (AXUIElementRef)      parent { return (AXUIElementRef)[self _attributeValue:kAXParentAttribute]; }
+- (BOOL)                focused { return [self _boolAttributeValue:kAXFocusedAttribute]; }
+- (NSInteger)           numberOfCharacters { return [self _numberAttributeValue:kAXNumberOfCharactersAttribute]; }
+- (NSString*)           selectedText { return [self _stringAttributeValue:kAXSelectedTextAttribute]; }
+- (NSRange)             selectedTextRange { return [self _rangeAttributeValue:kAXSelectedTextRangeAttribute]; }
+- (NSRange)             visibleCharacterRange  { return [self _rangeAttributeValue:kAXVisibleCharacterRangeAttribute]; }
+- (NSString*)           help { return [self _stringAttributeValue:kAXHelpAttribute]; }
+- (NSInteger)           insertionPointLineNumber { return [self _numberAttributeValue:kAXInsertionPointLineNumberAttribute]; }
+
+- (NSInteger)           lineForIndex:(NSInteger)index { return [[self class] _numberFromValue:[self _attributeValue:kAXLineForIndexParameterizedAttribute forNumber:index]]; }
+- (NSRange)             rangeForLine:(NSInteger)line { return [[self class] _rangeFromValue:[self _attributeValue:kAXRangeForLineParameterizedAttribute forNumber:line]]; }
+- (NSString*)           stringForRange:(NSRange)range { return (NSString*)[self _attributeValue:kAXStringForRangeParameterizedAttribute forRange:range]; }
+- (NSAttributedString*) attributedStringForRange:(NSRange)range { return (NSAttributedString*)[self _attributeValue:kAXAttributedStringForRangeParameterizedAttribute forRange:range]; }
+- (NSRect)              boundsForRange:(NSRange)range { return [[self class] _rectFromValue:[self _attributeValue:kAXBoundsForRangeParameterizedAttribute forRange:range]]; }
+- (NSRange)             styleRangeForIndex:(NSInteger)index { return [[self class] _rangeFromValue:[self _attributeValue:kAXStyleRangeForIndexParameterizedAttribute forNumber:index]]; }
+
+@end
+
+QVector<int> notificationList;
+
+void observerCallback(AXObserverRef /*observer*/, AXUIElementRef /*element*/, CFStringRef notification, void *)
+{
+    if ([(NSString*)notification isEqualToString: NSAccessibilityFocusedUIElementChangedNotification])
+        notificationList.append(QAccessible::Focus);
+    else if ([(NSString*)notification isEqualToString: NSAccessibilityValueChangedNotification])
+        notificationList.append(QAccessible::ValueChanged);
+    else
+        notificationList.append(-1);
+}
+
+class AccessibleTestWindow : public QWidget
+{
+    Q_OBJECT
+public:
+    AccessibleTestWindow()
+    {
+        new QHBoxLayout(this);
+    }
+
+    void addWidget(QWidget* widget)
+    {
+        layout()->addWidget(widget);
+        widget->show();
+        QVERIFY(QTest::qWaitForWindowExposed(widget));
+    }
+
+    void clearChildren()
+    {
+        qDeleteAll(children());
+        new QHBoxLayout(this);
+    }
+};
+
+class tst_QAccessibilityMac : public QObject
+{
+Q_OBJECT
+private Q_SLOTS:
+    void init();
+    void cleanup();
+
+    void singleWidgetTest();
+    void lineEditTest();
+    void hierarchyTest();
+    void notificationsTest();
+    void checkBoxTest();
+    void tableViewTest();
+
+private:
+    AccessibleTestWindow *m_window;
+};
+
+
+void tst_QAccessibilityMac::init()
+{
+    m_window = new AccessibleTestWindow();
+    m_window->setWindowTitle("Test window");
+    m_window->show();
+    m_window->resize(400, 400);
+
+    QVERIFY(QTest::qWaitForWindowExposed(m_window));
+}
+
+void tst_QAccessibilityMac::cleanup()
+{
+    delete m_window;
+}
+
+void tst_QAccessibilityMac::singleWidgetTest()
+{
+    delete m_window;
+    m_window = 0;
+
+    QLineEdit *le = new QLineEdit();
+    le->setText("button");
+    le->show();
+    QVERIFY(QTest::qWaitForWindowExposed(le));
+    QCoreApplication::processEvents();
+
+    TestAXObject *appObject = [TestAXObject getApplicationAXObject];
+    QVERIFY(appObject);
+
+    QTRY_VERIFY(appObject.windowList.count == 1);
+
+    AXUIElementRef windowRef = (AXUIElementRef) [appObject.windowList objectAtIndex: 0];
+    QVERIFY(windowRef != nil);
+    TestAXObject *window = [[TestAXObject alloc] initWithAXUIElementRef: windowRef];
+
+    AXUIElementRef lineEditRef = [window findDirectChildByRole: kAXTextFieldRole];
+    QVERIFY(lineEditRef != nil);
+    TestAXObject *lineEdit = [[TestAXObject alloc] initWithAXUIElementRef: lineEditRef];
+    QVERIFY([[lineEdit value] isEqualToString:@"button"]);
+
+    // Access invalid reference, should return empty value
+    delete le;
+    QCoreApplication::processEvents();
+    TestAXObject *lineEditInvalid = [[TestAXObject alloc] initWithAXUIElementRef: lineEditRef];
+    QVERIFY([[lineEditInvalid value] length] == 0);
+}
+
+void tst_QAccessibilityMac::lineEditTest()
+{
+    QLineEdit *lineEdit = new QLineEdit(m_window);
+    lineEdit->setText("a11y test QLineEdit");
+    m_window->addWidget(lineEdit);
+    QVERIFY(QTest::qWaitForWindowExposed(m_window));
+    QCoreApplication::processEvents();
+
+    TestAXObject *appObject = [TestAXObject getApplicationAXObject];
+    QVERIFY(appObject);
+
+    // one window
+    QTRY_VERIFY(appObject.windowList.count == 1);
+    AXUIElementRef windowRef = (AXUIElementRef) [appObject.windowList objectAtIndex: 0];
+    QVERIFY(windowRef != nil);
+    TestAXObject *window = [[TestAXObject alloc] initWithAXUIElementRef: windowRef];
+
+    QVERIFY([window rect].size.width == 400);
+    // height of window includes title bar
+    QVERIFY([window rect].size.height >= 400);
+
+    QVERIFY([window.title isEqualToString:@"Test window"]);
+
+    // children of window:
+    AXUIElementRef lineEditElement = [window findDirectChildByRole: kAXTextFieldRole];
+    QVERIFY(lineEditElement != nil);
+
+    TestAXObject *le = [[TestAXObject alloc] initWithAXUIElementRef: lineEditElement];
+    NSString *value = @"a11y test QLineEdit";
+    QVERIFY([le.value isEqualToString:value]);
+    QVERIFY(value.length <= NSIntegerMax);
+    QVERIFY(le.numberOfCharacters == static_cast<NSInteger>(value.length));
+    const NSRange ranges[] = {
+        { 0, 0},
+        { 0, 1},
+        { 0, 5},
+        { 5, 0},
+        { 5, 1},
+        { 0, value.length},
+        { value.length, 0},
+    };
+    for (size_t i = 0; i < sizeof(ranges)/sizeof(ranges[0]); ++i) {
+        NSRange range = ranges[i];
+        NSString *expectedSubstring = [value substringWithRange:range];
+        NSString *actualSubstring = [le stringForRange:range];
+        NSString *actualAttributedSubstring = [le attributedStringForRange:range].string;
+        QVERIFY([actualSubstring isEqualTo:expectedSubstring]);
+        QVERIFY([actualAttributedSubstring isEqualTo:expectedSubstring]);
+    }
+}
+
+void tst_QAccessibilityMac::hierarchyTest()
+{
+    QWidget *w = new QWidget(m_window);
+    m_window->addWidget(w);
+
+    w->setLayout(new QVBoxLayout());
+    QPushButton *b = new QPushButton(w);
+    w->layout()->addWidget(b);
+    b->setText("I am a button");
+
+    QPushButton *b2 = new QPushButton(w);
+    w->layout()->addWidget(b2);
+    b2->setText("Button 2");
+
+    QVERIFY(QTest::qWaitForWindowExposed(m_window));
+    QCoreApplication::processEvents();
+
+    TestAXObject *appObject = [TestAXObject getApplicationAXObject];
+    QVERIFY(appObject);
+
+    // one window
+    QTRY_VERIFY(appObject.windowList.count == 1);
+    AXUIElementRef windowRef = (AXUIElementRef) [appObject.windowList objectAtIndex: 0];
+    QVERIFY(windowRef != nil);
+    TestAXObject *window = [[TestAXObject alloc] initWithAXUIElementRef: windowRef];
+
+    // Because the plain widget is filtered out of the hierarchy, we expect the button
+    // to be a direct child of the window
+    AXUIElementRef buttonRef = [window findDirectChildByRole: kAXButtonRole];
+    QVERIFY(buttonRef != nil);
+
+    TestAXObject *buttonObject = [[TestAXObject alloc] initWithAXUIElementRef: buttonRef];
+    TestAXObject *parentObject = [[TestAXObject alloc] initWithAXUIElementRef: [buttonObject parent]];
+
+    // check that the parent is a window
+    QVERIFY([[parentObject role] isEqualToString: NSAccessibilityWindowRole]);
+
+    // test the focus
+    // child 0 is the layout, then button1 and 2
+    QPushButton *button1 = qobject_cast<QPushButton*>(w->children().at(1));
+    QVERIFY(button1);
+    QPushButton *button2 = qobject_cast<QPushButton*>(w->children().at(2));
+    QVERIFY(button2);
+    button2->setFocus();
+
+    AXUIElementRef systemWideElement = AXUIElementCreateSystemWide();
+    AXUIElementRef focussedElement = NULL;
+    AXError error = AXUIElementCopyAttributeValue(systemWideElement,
+        (CFStringRef)NSAccessibilityFocusedUIElementAttribute, (CFTypeRef*)&focussedElement);
+    QVERIFY(!error);
+    QVERIFY(focussedElement);
+    TestAXObject *focusButton2 = [[TestAXObject alloc] initWithAXUIElementRef: focussedElement];
+
+    QVERIFY([[focusButton2 role] isEqualToString: NSAccessibilityButtonRole]);
+    QVERIFY([[focusButton2 title] isEqualToString: @"Button 2"]);
+
+
+    button1->setFocus();
+    error = AXUIElementCopyAttributeValue(systemWideElement,
+        (CFStringRef)NSAccessibilityFocusedUIElementAttribute, (CFTypeRef*)&focussedElement);
+    QVERIFY(!error);
+    QVERIFY(focussedElement);
+    TestAXObject *focusButton1 = [[TestAXObject alloc] initWithAXUIElementRef: focussedElement];
+    QVERIFY([[focusButton1 role] isEqualToString: NSAccessibilityButtonRole]);
+    QVERIFY([[focusButton1 title] isEqualToString: @"I am a button"]);
+}
+
+void tst_QAccessibilityMac::notificationsTest()
+{
+    auto *w = m_window;
+    QLineEdit *le1 = new QLineEdit(w);
+    QLineEdit *le2 = new QLineEdit(w);
+    w->layout()->addWidget(le1);
+    w->layout()->addWidget(le2);
+
+    QCoreApplication::processEvents();
+    QTest::qWait(100);
+
+    TestAXObject *appObject = [TestAXObject getApplicationAXObject];
+    QVERIFY(appObject);
+
+    // one window
+    QTRY_VERIFY(appObject.windowList.count == 1);
+    AXUIElementRef windowRef = (AXUIElementRef) [appObject.windowList objectAtIndex: 0];
+    QVERIFY(windowRef != nil);
+    TestAXObject *window = [[TestAXObject alloc] initWithAXUIElementRef: windowRef];
+
+    AXUIElementRef lineEdit1 = [window findDirectChildByRole: kAXTextFieldRole];
+    QVERIFY(lineEdit1 != nil);
+
+    AXObserverRef observer = 0;
+    AXError err = AXObserverCreate(getpid(), observerCallback, &observer);
+    QVERIFY(!err);
+    AXObserverAddNotification(observer, appObject.ref, kAXFocusedUIElementChangedNotification, 0);
+    AXObserverAddNotification(observer, lineEdit1, kAXValueChangedNotification, 0);
+
+    CFRunLoopAddSource( [[NSRunLoop currentRunLoop] getCFRunLoop], AXObserverGetRunLoopSource(observer), kCFRunLoopDefaultMode);
+
+    QVERIFY(notificationList.length() == 0);
+    le2->setFocus();
+    QTRY_VERIFY(notificationList.length() == 1);
+    QTRY_VERIFY(notificationList.at(0) == QAccessible::Focus);
+    le1->setFocus();
+    QTRY_VERIFY(notificationList.length() == 2);
+    QTRY_VERIFY(notificationList.at(1) == QAccessible::Focus);
+    le1->setText("hello");
+    QTRY_VERIFY(notificationList.length() == 3);
+    QTRY_VERIFY(notificationList.at(2) == QAccessible::ValueChanged);
+    le1->setText("foo");
+    QTRY_VERIFY(notificationList.length() == 4);
+    QTRY_VERIFY(notificationList.at(3) == QAccessible::ValueChanged);
+}
+
+void tst_QAccessibilityMac::checkBoxTest()
+{
+    QCheckBox *ckBox = new QCheckBox(m_window);
+    ckBox->setText("Great option");
+    m_window->addWidget(ckBox);
+    QVERIFY(QTest::qWaitForWindowExposed(m_window));
+    QCoreApplication::processEvents();
+
+    TestAXObject *appObject = [TestAXObject getApplicationAXObject];
+    QVERIFY(appObject);
+
+    // one window
+    QTRY_VERIFY(appObject.windowList.count == 1);
+    AXUIElementRef windowRef = (AXUIElementRef) [appObject.windowList objectAtIndex: 0];
+    QVERIFY(windowRef != nil);
+    TestAXObject *window = [[TestAXObject alloc] initWithAXUIElementRef: windowRef];
+
+    // children of window:
+    AXUIElementRef checkBox = [window findDirectChildByRole: kAXCheckBoxRole];
+    QVERIFY(checkBox != nil);
+
+    TestAXObject *cb = [[TestAXObject alloc] initWithAXUIElementRef: checkBox];
+
+    // here start actual checkbox tests
+    QVERIFY([cb valueNumber] == 0);
+    QVERIFY([cb.title isEqualToString:@"Great option"]);
+    // EXPECT(cb.description == nil); // currently returns "" instead of nil
+
+    QVERIFY([cb.actions containsObject:(NSString*)kAXPressAction]);
+
+    [cb performAction:kAXPressAction];
+    QVERIFY([cb valueNumber] == 1);
+
+    [cb performAction:kAXPressAction];
+    QVERIFY([cb valueNumber] == 0);
+
+    ckBox->setCheckState(Qt::PartiallyChecked);
+    QVERIFY([cb valueNumber] == 2);
+}
+
+void tst_QAccessibilityMac::tableViewTest()
+{
+    QTableWidget *tw = new QTableWidget(3, 2, m_window);
+    struct Person
+    {
+        const char *name;
+        const char *address;
+    };
+    const Person contents[] = { { "Socrates", "Greece" },
+                                { "Confucius", "China" },
+                                { "Kant", "Preussia" }
+                              };
+    for (int i = 0; i < int(sizeof(contents) / sizeof(Person)); ++i) {
+        Person p = contents[i];
+        QTableWidgetItem *name = new QTableWidgetItem(QString::fromLatin1(p.name));
+        tw->setItem(i, 0, name);
+        QTableWidgetItem *address = new QTableWidgetItem(QString::fromLatin1(p.address));
+        tw->setItem(i, 1, address);
+    }
+    m_window->addWidget(tw);
+    QVERIFY(QTest::qWaitForWindowExposed(m_window));
+    QCoreApplication::processEvents();
+
+    TestAXObject *appObject = [TestAXObject getApplicationAXObject];
+    QVERIFY(appObject);
+
+    NSArray *windowList = [appObject windowList];
+    // one window
+    QVERIFY([windowList count] == 1);
+    AXUIElementRef windowRef = (AXUIElementRef)[windowList objectAtIndex:0];
+    QVERIFY(windowRef != nil);
+    TestAXObject *window = [[TestAXObject alloc] initWithAXUIElementRef:windowRef];
+
+    // children of window:
+    AXUIElementRef tableView = [window findDirectChildByRole:kAXTableRole];
+    QVERIFY(tableView != nil);
+
+    TestAXObject *tv = [[TestAXObject alloc] initWithAXUIElementRef:tableView];
+
+    // here start actual tableview tests
+    // Should have 2 columns
+    const unsigned int columnCount = 2;
+    NSArray *columnArray = [tv tableColumns];
+    QCOMPARE([columnArray count], columnCount);
+
+    // should have 3 rows
+    const unsigned int rowCount = 3;
+    NSArray *rowArray = [tv tableRows];
+    QCOMPARE([rowArray count], rowCount);
+
+    // The individual cells are children of the rows
+    TestAXObject *row = [[TestAXObject alloc] initWithAXUIElementRef:(AXUIElementRef)rowArray[0]];
+    TestAXObject *cell = [[TestAXObject alloc] initWithAXUIElementRef:(AXUIElementRef)[row childList][0]];
+    QVERIFY([cell.title isEqualToString:@"Socrates"]);
+    row = [[TestAXObject alloc] initWithAXUIElementRef:(AXUIElementRef)rowArray[2]];
+    cell = [[TestAXObject alloc] initWithAXUIElementRef:(AXUIElementRef)[row childList][1]];
+    QVERIFY([cell.title isEqualToString:@"Preussia"]);
+
+    // both rows and columns are direct children of the table
+    NSArray *childList = [tv childList];
+    QCOMPARE([childList count], columnCount + rowCount);
+    for (id child in childList) {
+        TestAXObject *childObject = [[TestAXObject alloc] initWithAXUIElementRef:(AXUIElementRef)child];
+        QVERIFY([childObject.role isEqualToString:NSAccessibilityRowRole] ||
+               [childObject.role isEqualToString:NSAccessibilityColumnRole]);
+    }
+}
+
+QTEST_MAIN(tst_QAccessibilityMac)
+#include "tst_qaccessibilitymac.moc"