diff --git a/autotests/libinput/device_test.cpp b/autotests/libinput/device_test.cpp
index efe9816bf7..1ba514da41 100644
--- a/autotests/libinput/device_test.cpp
+++ b/autotests/libinput/device_test.cpp
@@ -58,6 +58,8 @@ private Q_SLOTS:
     void testPointerAcceleration();
     void testLeftHanded_data();
     void testLeftHanded();
+    void testSupportedButtons_data();
+    void testSupportedButtons();
 };
 
 void TestLibinputDevice::testStaticGetter()
@@ -457,5 +459,47 @@ void TestLibinputDevice::testLeftHanded()
     QCOMPARE(leftHandedChangedSpy.isEmpty(), (supported && initValue) == expectedValue);
 }
 
+void TestLibinputDevice::testSupportedButtons_data()
+{
+    QTest::addColumn<bool>("isPointer");
+    QTest::addColumn<Qt::MouseButtons>("setButtons");
+    QTest::addColumn<Qt::MouseButtons>("expectedButtons");
+
+    QTest::newRow("left")    << true << Qt::MouseButtons(Qt::LeftButton)    << Qt::MouseButtons(Qt::LeftButton);
+    QTest::newRow("right")   << true << Qt::MouseButtons(Qt::RightButton)   << Qt::MouseButtons(Qt::RightButton);
+    QTest::newRow("middle")  << true << Qt::MouseButtons(Qt::MiddleButton)  << Qt::MouseButtons(Qt::MiddleButton);
+    QTest::newRow("extra1")  << true << Qt::MouseButtons(Qt::ExtraButton1)  << Qt::MouseButtons(Qt::ExtraButton1);
+    QTest::newRow("extra2")  << true << Qt::MouseButtons(Qt::ExtraButton2)  << Qt::MouseButtons(Qt::ExtraButton2);
+    QTest::newRow("back")    << true << Qt::MouseButtons(Qt::BackButton)    << Qt::MouseButtons(Qt::BackButton);
+    QTest::newRow("forward") << true << Qt::MouseButtons(Qt::ForwardButton) << Qt::MouseButtons(Qt::ForwardButton);
+    QTest::newRow("task")    << true << Qt::MouseButtons(Qt::TaskButton)    << Qt::MouseButtons(Qt::TaskButton);
+
+    QTest::newRow("no pointer/left")    << false << Qt::MouseButtons(Qt::LeftButton)    << Qt::MouseButtons();
+    QTest::newRow("no pointer/right")   << false << Qt::MouseButtons(Qt::RightButton)   << Qt::MouseButtons();
+    QTest::newRow("no pointer/middle")  << false << Qt::MouseButtons(Qt::MiddleButton)  << Qt::MouseButtons();
+    QTest::newRow("no pointer/extra1")  << false << Qt::MouseButtons(Qt::ExtraButton1)  << Qt::MouseButtons();
+    QTest::newRow("no pointer/extra2")  << false << Qt::MouseButtons(Qt::ExtraButton2)  << Qt::MouseButtons();
+    QTest::newRow("no pointer/back")    << false << Qt::MouseButtons(Qt::BackButton)    << Qt::MouseButtons();
+    QTest::newRow("no pointer/forward") << false << Qt::MouseButtons(Qt::ForwardButton) << Qt::MouseButtons();
+    QTest::newRow("no pointer/task")    << false << Qt::MouseButtons(Qt::TaskButton)    << Qt::MouseButtons();
+
+    QTest::newRow("all") << true
+                         << Qt::MouseButtons(Qt::LeftButton | Qt::RightButton | Qt::MiddleButton | Qt::ExtraButton1 | Qt::ExtraButton2 | Qt::BackButton | Qt::ForwardButton | Qt::TaskButton)
+                         << Qt::MouseButtons(Qt::LeftButton | Qt::RightButton | Qt::MiddleButton | Qt::ExtraButton1 | Qt::ExtraButton2 | Qt::BackButton | Qt::ForwardButton | Qt::TaskButton);
+}
+
+void TestLibinputDevice::testSupportedButtons()
+{
+    libinput_device device;
+    QFETCH(bool, isPointer);
+    device.pointer = isPointer;
+    QFETCH(Qt::MouseButtons, setButtons);
+    device.supportedButtons = setButtons;
+
+    Device d(&device);
+    QCOMPARE(d.isPointer(), isPointer);
+    QTEST(d.supportedButtons(), "expectedButtons");
+}
+
 QTEST_GUILESS_MAIN(TestLibinputDevice)
 #include "device_test.moc"
diff --git a/autotests/libinput/mock_libinput.cpp b/autotests/libinput/mock_libinput.cpp
index a397e6c604..bc725d52a1 100644
--- a/autotests/libinput/mock_libinput.cpp
+++ b/autotests/libinput/mock_libinput.cpp
@@ -20,6 +20,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <libinput.h>
 #include "mock_libinput.h"
 
+#include <linux/input.h>
+
 int libinput_device_keyboard_has_key(struct libinput_device *device, uint32_t code)
 {
     return 0;
@@ -158,7 +160,26 @@ int libinput_device_get_size(struct libinput_device *device, double *width, doub
 
 int libinput_device_pointer_has_button(struct libinput_device *device, uint32_t code)
 {
-    return 0;
+    switch (code) {
+    case BTN_LEFT:
+        return device->supportedButtons.testFlag(Qt::LeftButton);
+    case BTN_MIDDLE:
+        return device->supportedButtons.testFlag(Qt::MiddleButton);
+    case BTN_RIGHT:
+        return device->supportedButtons.testFlag(Qt::RightButton);
+    case BTN_SIDE:
+        return device->supportedButtons.testFlag(Qt::ExtraButton1);
+    case BTN_EXTRA:
+        return device->supportedButtons.testFlag(Qt::ExtraButton2);
+    case BTN_BACK:
+        return device->supportedButtons.testFlag(Qt::BackButton);
+    case BTN_FORWARD:
+        return device->supportedButtons.testFlag(Qt::ForwardButton);
+    case BTN_TASK:
+        return device->supportedButtons.testFlag(Qt::TaskButton);
+    default:
+        return 0;
+    }
 }
 
 enum libinput_config_status libinput_device_config_left_handed_set(struct libinput_device *device, int left_handed)
diff --git a/autotests/libinput/mock_libinput.h b/autotests/libinput/mock_libinput.h
index ad4899048d..b13a65407f 100644
--- a/autotests/libinput/mock_libinput.h
+++ b/autotests/libinput/mock_libinput.h
@@ -47,6 +47,7 @@ struct libinput_device {
     int setPointerAccelerationReturnValue = 0;
     bool leftHanded = false;
     int setLeftHandedReturnValue = 0;
+    Qt::MouseButtons supportedButtons;
 };
 
 #endif