server/grab: add tests for touch passive grab pointer emulation

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 146 insertions, 5 deletions

diff --git a/tests/server/grab.cpp b/tests/server/grab.cpp
index 48f9a75..514bf02 100644
--- a/tests/server/grab.cpp
+++ b/tests/server/grab.cpp
@@ -158,8 +158,7 @@ TEST_F(PointerGrabTest, GrabDisabledDevices)
 
 #if HAVE_XI22
 class TouchGrabTest : public InputDriverTest,
-                      public DeviceInterface,
-                      public ::testing::WithParamInterface<int> {
+                      public DeviceInterface {
 public:
     /**
      * Initializes a standard mouse device.
@@ -194,7 +193,12 @@ public:
 
 };
 
-TEST_P(TouchGrabTest, ActiveAndPassiveGrab)
+class TouchGrabTestMultipleModes : public TouchGrabTest,
+                                   public ::testing::WithParamInterface<int>
+{
+};
+
+TEST_P(TouchGrabTestMultipleModes, ActiveAndPassiveGrab)
 {
     int mode = GetParam();
     std::string strmode = (mode == XIAcceptTouch) ? "XIAcceptTouch" : "XIRejectTouch";
@@ -269,9 +273,146 @@ TEST_P(TouchGrabTest, ActiveAndPassiveGrab)
     delete[] mask.mask;
 }
 
-INSTANTIATE_TEST_CASE_P(, TouchGrabTest, ::testing::Values(XIAcceptTouch, XIRejectTouch));
+INSTANTIATE_TEST_CASE_P(, TouchGrabTestMultipleModes, ::testing::Values(XIAcceptTouch, XIRejectTouch));
 
-#endif
+class TouchGrabTestMultipleTaps : public TouchGrabTest,
+                                  public ::testing::WithParamInterface<int> { };
+
+TEST_P(TouchGrabTestMultipleTaps, PassiveGrabPointerEmulationMultipleTouchesFastSuccession)
+{
+    SCOPED_TRACE("\nTESTCASE: a client selecting for core events on the \n"
+                 "root window must not receive ButtonPress and Release events \n"
+                 "if a passive button grabbing client has GrabModeAsync.\n"
+                 "This test exceeds num_touches on the device.\n");
+
+    ::Display *dpy1 = Display();
+
+    XIEventMask mask;
+    mask.deviceid = XIAllDevices;
+    mask.mask_len = XIMaskLen(XI_ButtonRelease);
+    mask.mask = new unsigned char[mask.mask_len]();
+    XISetMask(mask.mask, XI_ButtonPress);
+
+    XIGrabModifiers mods;
+    mods.modifiers = XIAnyModifier;
+    XIGrabButton(dpy1, 2 /* VCP */, 1, DefaultRootWindow(dpy1),
+                 None, GrabModeAsync, GrabModeAsync, False, &mask, 1, &mods);
+    delete[] mask.mask;
+
+    ::Display *dpy2 = XOpenDisplay(server.GetDisplayString().c_str());
+    ASSERT_TRUE(dpy2);
+    Window root = DefaultRootWindow(dpy2);
+
+    int major = 2, minor = 0;
+    ASSERT_EQ(XIQueryVersion(dpy2, &major, &minor), Success);
+
+    XSelectInput(dpy2, root, PointerMotionMask | ButtonPressMask | ButtonReleaseMask);
+    XSync(dpy2, False);
+    ASSERT_FALSE(XPending(dpy2));
+
+    int repeats = GetParam();
+
+    /* for this test to succeed, the server mustn't start processing until
+       the last touch event physically ends, so no usleep here*/
+    for (int i = 0; i < repeats; i++) {
+        dev->Play(RECORDINGS_DIR "tablets/N-Trig-MultiTouch.touch_1_begin.events");
+        dev->Play(RECORDINGS_DIR "tablets/N-Trig-MultiTouch.touch_1_end.events");
+    }
+
+    XSync(dpy1, False);
+    XSync(dpy2, False);
+
+    ASSERT_TRUE(XPending(dpy1));
+    ASSERT_EQ(XPending(dpy1), repeats); // ButtonPress event
+    while (XPending(dpy1)) {
+        XEvent ev;
+        XNextEvent(dpy1, &ev);
+        ASSERT_EQ(ev.type, GenericEvent);
+        ASSERT_EQ(ev.xcookie.extension, xi2_opcode);
+        ASSERT_EQ(ev.xcookie.evtype, XI_ButtonPress);
+    }
+
+    while (XPending(dpy2)) {
+        XEvent ev;
+        XNextEvent(dpy2, &ev);
+        ASSERT_EQ(ev.type, MotionNotify);
+    }
+}
+
+TEST_P(TouchGrabTestMultipleTaps, PassiveGrabPointerRelease)
+{
+    SCOPED_TRACE("\nTESTCASE: if a client has a async passive button grab on the "
+                 "root window,\na client with a touch selection on the next window "
+                 "down must not get touch events.\n"
+                 "This test exceeds num_touches on the device.\n");
+
+    ::Display *dpy1 = Display();
+
+    XIEventMask mask;
+    mask.deviceid = XIAllDevices;
+    mask.mask_len = XIMaskLen(XI_ButtonRelease);
+    mask.mask = new unsigned char[mask.mask_len]();
+    XISetMask(mask.mask, XI_ButtonPress);
+
+    XIGrabModifiers mods;
+    mods.modifiers = XIAnyModifier;
+    XIGrabButton(dpy1, 2 /* VCP */, 1, DefaultRootWindow(dpy1),
+                 None, GrabModeAsync, GrabModeAsync, False, &mask, 1, &mods);
+    delete[] mask.mask;
+
+    ::Display *dpy2 = XOpenDisplay(server.GetDisplayString().c_str());
+    ASSERT_TRUE(dpy2);
+    Window root = DefaultRootWindow(dpy2);
+
+    int major = 2, minor = 2;
+    ASSERT_EQ(XIQueryVersion(dpy2, &major, &minor), Success);
+
+    mask.deviceid = XIAllMasterDevices;
+    mask.mask_len = XIMaskLen(XI_TouchEnd);
+    mask.mask = new unsigned char[mask.mask_len]();
+    XISetMask(mask.mask, XI_TouchBegin);
+    XISetMask(mask.mask, XI_TouchUpdate);
+    XISetMask(mask.mask, XI_TouchEnd);
+
+    XISelectEvents(dpy2, root, &mask, 1);
+    delete[] mask.mask;
+
+    XSync(dpy2, False);
+    ASSERT_FALSE(XPending(dpy2));
+
+    int repeats = GetParam();
+
+    /* for this test to succeed, the server mustn't start processing until
+       the last touch event physically ends, so no usleep here*/
+    for (int i = 0; i < repeats; i++) {
+        dev->Play(RECORDINGS_DIR "tablets/N-Trig-MultiTouch.touch_1_begin.events");
+        dev->Play(RECORDINGS_DIR "tablets/N-Trig-MultiTouch.touch_1_end.events");
+    }
+
+    XSync(dpy1, False);
+    XSync(dpy2, False);
+
+    ASSERT_TRUE(XPending(dpy1));
+    ASSERT_EQ(XPending(dpy1), repeats); // ButtonPress event
+    while (XPending(dpy1)) {
+        XEvent ev;
+        XNextEvent(dpy1, &ev);
+        ASSERT_EQ(ev.type, GenericEvent);
+        ASSERT_EQ(ev.xcookie.extension, xi2_opcode);
+        ASSERT_EQ(ev.xcookie.evtype, XI_ButtonPress);
+    }
+
+    if (XPending(dpy2)) {
+        XEvent ev;
+        XPeekEvent(dpy2, &ev);
+        ASSERT_FALSE(XPending(dpy2)) << "Event type " << ev.type << " (extension " <<
+            ev.xcookie.extension << " evtype " << ev.xcookie.evtype << ")";
+    }
+}
+
+INSTANTIATE_TEST_CASE_P(, TouchGrabTestMultipleTaps, ::testing::Range(1, 11)); /* device num_touches is 5 */
+
+#endif /* HAVE_XI22 */
 
 int main(int argc, char **argv) {
     testing::InitGoogleTest(&argc, argv);