Switched to xorg-server-1.6.99.900.tar.gz

1 files changed, 904 insertions, 0 deletions

diff --git a/xorg-server/test/xi2/protocol-eventconvert.c b/xorg-server/test/xi2/protocol-eventconvert.c
new file mode 100644
index 000000000..f723f7436
--- /dev/null
+++ b/xorg-server/test/xi2/protocol-eventconvert.c
@@ -0,0 +1,904 @@
+/**
+ * Copyright © 2009 Red Hat, Inc.
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a
+ *  copy of this software and associated documentation files (the "Software"),
+ *  to deal in the Software without restriction, including without limitation
+ *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ *  and/or sell copies of the Software, and to permit persons to whom the
+ *  Software is furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice (including the next
+ *  paragraph) shall be included in all copies or substantial portions of the
+ *  Software.
+ * *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ *  DEALINGS IN THE SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdint.h>
+#include <glib.h>
+
+#include "inputstr.h"
+#include "eventstr.h"
+#include "eventconvert.h"
+#include "exevents.h"
+#include <X11/extensions/XI2proto.h>
+
+
+static void test_values_XIRawEvent(RawDeviceEvent *in, xXIRawEvent *out,
+                                   BOOL swap)
+{
+    int i;
+    unsigned char *ptr;
+    FP3232 *value, *raw_value;
+    int nvals = 0;
+    int bits_set;
+    int len;
+
+    if (swap)
+    {
+        char n;
+
+        swaps(&out->sequenceNumber, n);
+        swapl(&out->length, n);
+        swaps(&out->evtype, n);
+        swaps(&out->deviceid, n);
+        swapl(&out->time, n);
+        swapl(&out->detail, n);
+        swaps(&out->valuators_len, n);
+    }
+
+
+    g_assert(out->type == GenericEvent);
+    g_assert(out->extension == 0); /* IReqCode defaults to 0 */
+    g_assert(out->evtype == GetXI2Type((InternalEvent*)in));
+    g_assert(out->time == in->time);
+    g_assert(out->detail == in->detail.button);
+    g_assert(out->deviceid == in->deviceid);
+    g_assert(out->valuators_len >= bytes_to_int32(bits_to_bytes(sizeof(in->valuators.mask))));
+    g_assert(out->flags == 0); /* FIXME: we don't set the flags yet */
+
+    ptr = (unsigned char*)&out[1];
+    bits_set = 0;
+
+    for (i = 0; out->valuators_len && i < sizeof(in->valuators.mask) * 8; i++)
+    {
+        g_assert (XIMaskIsSet(in->valuators.mask, i) == XIMaskIsSet(ptr, i));
+        if (XIMaskIsSet(in->valuators.mask, i))
+            bits_set++;
+    }
+
+    /* length is len of valuator mask (in 4-byte units) + the number of bits
+     * set. Each bit set represents 2 8-byte values, hence the
+     * 'bits_set * 4' */
+    len = out->valuators_len + bits_set * 4;
+    g_assert(out->length == len);
+
+    nvals = 0;
+
+    for (i = 0; out->valuators_len && i < MAX_VALUATORS; i++)
+    {
+        g_assert (XIMaskIsSet(in->valuators.mask, i) == XIMaskIsSet(ptr, i));
+        if (XIMaskIsSet(in->valuators.mask, i))
+        {
+            FP3232 vi, vo;
+            value = (FP3232*)(((unsigned char*)&out[1]) + out->valuators_len * 4);
+            value += nvals;
+
+            vi.integral = in->valuators.data[i];
+            vi.frac = in->valuators.data_frac[i];
+
+            vo.integral = value->integral;
+            vo.frac = value->frac;
+            if (swap)
+            {
+                char n;
+                swapl(&vo.integral, n);
+                swapl(&vo.frac, n);
+            }
+
+            g_assert(vi.integral == vo.integral);
+            g_assert(vi.frac == vo.frac);
+
+            raw_value = value + bits_set;
+
+            vi.integral = in->valuators.data_raw[i];
+            vi.frac = in->valuators.data_raw_frac[i];
+
+            vo.integral = raw_value->integral;
+            vo.frac = raw_value->frac;
+            if (swap)
+            {
+                char n;
+                swapl(&vo.integral, n);
+                swapl(&vo.frac, n);
+            }
+
+            g_assert(vi.integral == vo.integral);
+            g_assert(vi.frac == vo.frac);
+
+            nvals++;
+        }
+    }
+}
+
+static void test_XIRawEvent(RawDeviceEvent *in)
+{
+    xXIRawEvent *out, *swapped;
+    int rc;
+
+    rc = EventToXI2((InternalEvent*)in, (xEvent**)&out);
+    g_assert(rc == Success);
+
+    test_values_XIRawEvent(in, out, FALSE);
+
+    swapped = xcalloc(1, sizeof(xEvent) + out->length * 4);
+    XI2EventSwap((xGenericEvent*)out, (xGenericEvent*)swapped);
+    test_values_XIRawEvent(in, swapped, TRUE);
+
+    xfree(out);
+    xfree(swapped);
+}
+
+static void test_convert_XIFocusEvent(void)
+{
+    xEvent *out;
+    DeviceEvent in;
+    int rc;
+
+    in.header = ET_Internal;
+    in.type = ET_Enter;
+    rc = EventToXI2((InternalEvent*)&in, &out);
+    g_assert(rc == Success);
+    g_assert(out == NULL);
+
+    in.header = ET_Internal;
+    in.type = ET_FocusIn;
+    rc = EventToXI2((InternalEvent*)&in, &out);
+    g_assert(rc == Success);
+    g_assert(out == NULL);
+
+    in.header = ET_Internal;
+    in.type = ET_FocusOut;
+    rc = EventToXI2((InternalEvent*)&in, &out);
+    g_assert(rc == BadImplementation);
+
+    in.header = ET_Internal;
+    in.type = ET_Leave;
+    rc = EventToXI2((InternalEvent*)&in, &out);
+    g_assert(rc == BadImplementation);
+}
+
+
+static void test_convert_XIRawEvent(void)
+{
+    RawDeviceEvent in;
+    int i;
+
+    memset(&in, 0, sizeof(in));
+
+    g_test_message("Testing all event types");
+    in.header = ET_Internal;
+    in.type = ET_RawMotion;
+    test_XIRawEvent(&in);
+
+    in.header = ET_Internal;
+    in.type = ET_RawKeyPress;
+    test_XIRawEvent(&in);
+
+    in.header = ET_Internal;
+    in.type = ET_RawKeyRelease;
+    test_XIRawEvent(&in);
+
+    in.header = ET_Internal;
+    in.type = ET_RawButtonPress;
+    test_XIRawEvent(&in);
+
+    in.header = ET_Internal;
+    in.type = ET_RawButtonRelease;
+    test_XIRawEvent(&in);
+
+    g_test_message("Testing details and other fields");
+    in.detail.button = 1L;
+    test_XIRawEvent(&in);
+    in.detail.button = 1L << 8;
+    test_XIRawEvent(&in);
+    in.detail.button = 1L << 16;
+    test_XIRawEvent(&in);
+    in.detail.button = 1L << 24;
+    test_XIRawEvent(&in);
+    in.detail.button = ~0L;
+    test_XIRawEvent(&in);
+
+    in.detail.button = 0;
+
+    in.time = 1L;
+    test_XIRawEvent(&in);
+    in.time = 1L << 8;
+    test_XIRawEvent(&in);
+    in.time = 1L << 16;
+    test_XIRawEvent(&in);
+    in.time = 1L << 24;
+    test_XIRawEvent(&in);
+    in.time = ~0L;
+    test_XIRawEvent(&in);
+
+    in.deviceid = 1;
+    test_XIRawEvent(&in);
+    in.deviceid = 1 << 8;
+    test_XIRawEvent(&in);
+    in.deviceid = ~0 & 0xFF;
+    test_XIRawEvent(&in);
+
+    g_test_message("Testing valuator masks");
+    for (i = 0; i < sizeof(in.valuators.mask) * 8; i++)
+    {
+        XISetMask(in.valuators.mask, i);
+        test_XIRawEvent(&in);
+        XIClearMask(in.valuators.mask, i);
+    }
+
+    for (i = 0; i < sizeof(in.valuators.mask) * 8; i++)
+    {
+        XISetMask(in.valuators.mask, i);
+
+        in.valuators.data[i] = i;
+        in.valuators.data_raw[i] = i + 10;
+        in.valuators.data_frac[i] = i + 20;
+        in.valuators.data_raw_frac[i] = i + 30;
+        test_XIRawEvent(&in);
+        XIClearMask(in.valuators.mask, i);
+    }
+
+    for (i = 0; i < sizeof(in.valuators.mask) * 8; i++)
+    {
+        XISetMask(in.valuators.mask, i);
+        test_XIRawEvent(&in);
+    }
+}
+
+static void test_values_XIDeviceEvent(DeviceEvent *in, xXIDeviceEvent *out,
+                                      BOOL swap)
+{
+    int buttons, valuators;
+    int i;
+    unsigned char *ptr;
+    FP3232 *values;
+
+    if (swap) {
+        char n;
+
+        swaps(&out->sequenceNumber, n);
+        swapl(&out->length, n);
+        swaps(&out->evtype, n);
+        swaps(&out->deviceid, n);
+        swaps(&out->sourceid, n);
+        swapl(&out->time, n);
+        swapl(&out->detail, n);
+        swapl(&out->root, n);
+        swapl(&out->event, n);
+        swapl(&out->child, n);
+        swapl(&out->root_x, n);
+        swapl(&out->root_y, n);
+        swapl(&out->event_x, n);
+        swapl(&out->event_y, n);
+        swaps(&out->buttons_len, n);
+        swaps(&out->valuators_len, n);
+        swapl(&out->mods.base_mods, n);
+        swapl(&out->mods.latched_mods, n);
+        swapl(&out->mods.locked_mods, n);
+        swapl(&out->mods.effective_mods, n);
+    }
+
+    g_assert(out->extension == 0); /* IReqCode defaults to 0 */
+    g_assert(out->evtype == GetXI2Type((InternalEvent*)in));
+    g_assert(out->time == in->time);
+    g_assert(out->detail == in->detail.button);
+    g_assert(out->length >= 12);
+
+    g_assert(out->deviceid == in->deviceid);
+    g_assert(out->sourceid == in->sourceid);
+
+    g_assert(out->flags == 0); /* FIXME: we don't set the flags yet */
+
+    g_assert(out->root == in->root);
+    g_assert(out->event == None); /* set in FixUpEventFromWindow */
+    g_assert(out->child == None); /* set in FixUpEventFromWindow */
+
+    g_assert(out->mods.base_mods == in->mods.base);
+    g_assert(out->mods.latched_mods == in->mods.latched);
+    g_assert(out->mods.locked_mods == in->mods.locked);
+    g_assert(out->mods.effective_mods == in->mods.effective);
+
+    g_assert(out->group.base_group == in->group.base);
+    g_assert(out->group.latched_group == in->group.latched);
+    g_assert(out->group.locked_group == in->group.locked);
+    g_assert(out->group.effective_group == in->group.effective);
+
+    g_assert(out->event_x == 0); /* set in FixUpEventFromWindow */
+    g_assert(out->event_y == 0); /* set in FixUpEventFromWindow */
+
+    g_assert(out->root_x == FP1616(in->root_x, in->root_x_frac));
+    g_assert(out->root_y == FP1616(in->root_y, in->root_y_frac));
+
+    buttons = 0;
+    for (i = 0; i < bits_to_bytes(sizeof(in->buttons)); i++)
+    {
+        if (XIMaskIsSet(in->buttons, i))
+        {
+            g_assert(out->buttons_len >= bytes_to_int32(bits_to_bytes(i)));
+            buttons++;
+        }
+    }
+
+    ptr = (unsigned char*)&out[1];
+    for (i = 0; i < sizeof(in->buttons) * 8; i++)
+        g_assert(XIMaskIsSet(in->buttons, i) == XIMaskIsSet(ptr, i));
+
+
+    valuators = 0;
+    for (i = 0; i < sizeof(in->valuators.mask) * 8; i++)
+        if (XIMaskIsSet(in->valuators.mask, i))
+            valuators++;
+
+    g_assert(out->valuators_len >= bytes_to_int32(bits_to_bytes(valuators)));
+
+    ptr += out->buttons_len * 4;
+    values = (FP3232*)(ptr + out->valuators_len * 4);
+    for (i = 0; i < sizeof(in->valuators.mask) * 8 ||
+                i < (out->valuators_len * 4) * 8; i++)
+    {
+        if (i > sizeof(in->valuators.mask) * 8)
+            g_assert(!XIMaskIsSet(ptr, i));
+        else if (i > out->valuators_len * 4 * 8)
+            g_assert(!XIMaskIsSet(in->valuators.mask, i));
+        else {
+            g_assert(XIMaskIsSet(in->valuators.mask, i) ==
+                     XIMaskIsSet(ptr, i));
+
+            if (XIMaskIsSet(ptr, i))
+            {
+                FP3232 vi, vo;
+
+                vi.integral = in->valuators.data[i];
+                vi.frac = in->valuators.data_frac[i];
+
+                vo = *values;
+
+                if (swap)
+                {
+                    char n;
+                    swapl(&vo.integral, n);
+                    swapl(&vo.frac, n);
+                }
+
+
+                g_assert(vi.integral == vo.integral);
+                g_assert(vi.frac == vo.frac);
+                values++;
+            }
+        }
+    }
+}
+
+static void test_XIDeviceEvent(DeviceEvent *in)
+{
+    xXIDeviceEvent *out, *swapped;
+    int rc;
+
+    rc = EventToXI2((InternalEvent*)in, (xEvent**)&out);
+    g_assert(rc == Success);
+
+    test_values_XIDeviceEvent(in, out, FALSE);
+
+    swapped = xcalloc(1, sizeof(xEvent) + out->length * 4);
+    XI2EventSwap((xGenericEvent*)out, (xGenericEvent*)swapped);
+    test_values_XIDeviceEvent(in, swapped, TRUE);
+
+    xfree(out);
+    xfree(swapped);
+}
+
+static void test_convert_XIDeviceEvent(void)
+{
+    DeviceEvent in;
+    int i;
+
+    memset(&in, 0, sizeof(in));
+
+    g_test_message("Testing simple field values");
+    in.header = ET_Internal;
+    in.type = ET_Motion;
+    in.length = sizeof(DeviceEvent);
+    in.time             = 0;
+    in.deviceid         = 1;
+    in.sourceid         = 2;
+    in.root             = 3;
+    in.root_x           = 4;
+    in.root_x_frac      = 5;
+    in.root_y           = 6;
+    in.root_y_frac      = 7;
+    in.detail.button    = 8;
+    in.mods.base        = 9;
+    in.mods.latched     = 10;
+    in.mods.locked      = 11;
+    in.mods.effective   = 11;
+    in.group.base       = 12;
+    in.group.latched    = 13;
+    in.group.locked     = 14;
+    in.group.effective  = 15;
+
+    test_XIDeviceEvent(&in);
+
+    g_test_message("Testing field ranges");
+    /* 32 bit */
+    in.detail.button = 1L;
+    test_XIDeviceEvent(&in);
+    in.detail.button = 1L << 8;
+    test_XIDeviceEvent(&in);
+    in.detail.button = 1L << 16;
+    test_XIDeviceEvent(&in);
+    in.detail.button = 1L << 24;
+    test_XIDeviceEvent(&in);
+    in.detail.button = ~0L;
+    test_XIDeviceEvent(&in);
+
+    /* 32 bit */
+    in.time = 1L;
+    test_XIDeviceEvent(&in);
+    in.time = 1L << 8;
+    test_XIDeviceEvent(&in);
+    in.time = 1L << 16;
+    test_XIDeviceEvent(&in);
+    in.time = 1L << 24;
+    test_XIDeviceEvent(&in);
+    in.time = ~0L;
+    test_XIDeviceEvent(&in);
+
+    /* 16 bit */
+    in.deviceid = 1;
+    test_XIDeviceEvent(&in);
+    in.deviceid = 1 << 8;
+    test_XIDeviceEvent(&in);
+    in.deviceid = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    /* 16 bit */
+    in.sourceid = 1;
+    test_XIDeviceEvent(&in);
+    in.deviceid = 1 << 8;
+    test_XIDeviceEvent(&in);
+    in.deviceid = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    /* 32 bit */
+    in.root = 1L;
+    test_XIDeviceEvent(&in);
+    in.root = 1L << 8;
+    test_XIDeviceEvent(&in);
+    in.root = 1L << 16;
+    test_XIDeviceEvent(&in);
+    in.root = 1L << 24;
+    test_XIDeviceEvent(&in);
+    in.root = ~0L;
+    test_XIDeviceEvent(&in);
+
+    /* 16 bit */
+    in.root_x = 1;
+    test_XIDeviceEvent(&in);
+    in.root_x = 1 << 8;
+    test_XIDeviceEvent(&in);
+    in.root_x = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    in.root_x_frac = 1;
+    test_XIDeviceEvent(&in);
+    in.root_x_frac = 1 << 8;
+    test_XIDeviceEvent(&in);
+    in.root_x_frac = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    in.root_y = 1;
+    test_XIDeviceEvent(&in);
+    in.root_y = 1 << 8;
+    test_XIDeviceEvent(&in);
+    in.root_y = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    in.root_y_frac = 1;
+    test_XIDeviceEvent(&in);
+    in.root_y_frac = 1 << 8;
+    test_XIDeviceEvent(&in);
+    in.root_y_frac = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    /* 32 bit */
+    in.mods.base = 1L;
+    test_XIDeviceEvent(&in);
+    in.mods.base = 1L << 8;
+    test_XIDeviceEvent(&in);
+    in.mods.base = 1L << 16;
+    test_XIDeviceEvent(&in);
+    in.mods.base = 1L << 24;
+    test_XIDeviceEvent(&in);
+    in.mods.base = ~0L;
+    test_XIDeviceEvent(&in);
+
+    in.mods.latched = 1L;
+    test_XIDeviceEvent(&in);
+    in.mods.latched = 1L << 8;
+    test_XIDeviceEvent(&in);
+    in.mods.latched = 1L << 16;
+    test_XIDeviceEvent(&in);
+    in.mods.latched = 1L << 24;
+    test_XIDeviceEvent(&in);
+    in.mods.latched = ~0L;
+    test_XIDeviceEvent(&in);
+
+    in.mods.locked = 1L;
+    test_XIDeviceEvent(&in);
+    in.mods.locked = 1L << 8;
+    test_XIDeviceEvent(&in);
+    in.mods.locked = 1L << 16;
+    test_XIDeviceEvent(&in);
+    in.mods.locked = 1L << 24;
+    test_XIDeviceEvent(&in);
+    in.mods.locked = ~0L;
+    test_XIDeviceEvent(&in);
+
+    in.mods.effective = 1L;
+    test_XIDeviceEvent(&in);
+    in.mods.effective = 1L << 8;
+    test_XIDeviceEvent(&in);
+    in.mods.effective = 1L << 16;
+    test_XIDeviceEvent(&in);
+    in.mods.effective = 1L << 24;
+    test_XIDeviceEvent(&in);
+    in.mods.effective = ~0L;
+    test_XIDeviceEvent(&in);
+
+    /* 8 bit */
+    in.group.base = 1;
+    test_XIDeviceEvent(&in);
+    in.group.base = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    in.group.latched = 1;
+    test_XIDeviceEvent(&in);
+    in.group.latched = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    in.group.locked = 1;
+    test_XIDeviceEvent(&in);
+    in.group.locked = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    in.mods.effective = 1;
+    test_XIDeviceEvent(&in);
+    in.mods.effective = ~0 & 0xFF;
+    test_XIDeviceEvent(&in);
+
+    g_test_message("Testing button masks");
+    for (i = 0; i < sizeof(in.buttons) * 8; i++)
+    {
+        XISetMask(in.buttons, i);
+        test_XIDeviceEvent(&in);
+        XIClearMask(in.buttons, i);
+    }
+
+    for (i = 0; i < sizeof(in.buttons) * 8; i++)
+    {
+        XISetMask(in.buttons, i);
+        test_XIDeviceEvent(&in);
+    }
+
+    g_test_message("Testing valuator masks");
+    for (i = 0; i < sizeof(in.valuators.mask) * 8; i++)
+    {
+        XISetMask(in.valuators.mask, i);
+        test_XIDeviceEvent(&in);
+        XIClearMask(in.valuators.mask, i);
+    }
+
+    for (i = 0; i < sizeof(in.valuators.mask) * 8; i++)
+    {
+        XISetMask(in.valuators.mask, i);
+
+        in.valuators.data[i] = i;
+        in.valuators.data_frac[i] = i + 20;
+        test_XIDeviceEvent(&in);
+        XIClearMask(in.valuators.mask, i);
+    }
+
+    for (i = 0; i < sizeof(in.valuators.mask) * 8; i++)
+    {
+        XISetMask(in.valuators.mask, i);
+        test_XIDeviceEvent(&in);
+    }
+}
+
+static void test_values_XIDeviceChangedEvent(DeviceChangedEvent *in,
+                                             xXIDeviceChangedEvent *out,
+                                             BOOL swap)
+{
+    int i, j;
+    unsigned char *ptr;
+
+    if (swap)
+    {
+        char n;
+
+        swaps(&out->sequenceNumber, n);
+        swapl(&out->length, n);
+        swaps(&out->evtype, n);
+        swaps(&out->deviceid, n);
+        swaps(&out->sourceid, n);
+        swapl(&out->time, n);
+        swaps(&out->num_classes, n);
+    }
+
+    g_assert(out->type == GenericEvent);
+    g_assert(out->extension == 0); /* IReqCode defaults to 0 */
+    g_assert(out->evtype == GetXI2Type((InternalEvent*)in));
+    g_assert(out->time == in->time);
+    g_assert(out->deviceid == in->deviceid);
+    g_assert(out->sourceid == in->sourceid);
+
+    ptr = (unsigned char*)&out[1];
+    for (i = 0; i < out->num_classes; i++)
+    {
+        xXIAnyInfo* any = (xXIAnyInfo*)ptr;
+
+        if (swap)
+        {
+            char n;
+            swaps(&any->length, n);
+            swaps(&any->type, n);
+            swaps(&any->sourceid, n);
+        }
+
+        switch(any->type)
+        {
+            case XIButtonClass:
+                {
+                    xXIButtonInfo *b = (xXIButtonInfo*)any;
+                    Atom *names;
+
+                    if (swap)
+                    {
+                        char n;
+                        swaps(&b->num_buttons, n);
+                    }
+
+                    g_assert(b->length ==
+                            bytes_to_int32(sizeof(xXIButtonInfo)) +
+                            bytes_to_int32(bits_to_bytes(b->num_buttons)) +
+                            b->num_buttons);
+                    g_assert(b->num_buttons == in->buttons.num_buttons);
+
+                    names = (Atom*)((char*)&b[1] +
+                            pad_to_int32(bits_to_bytes(b->num_buttons)));
+                    for (j = 0; j < b->num_buttons; j++)
+                    {
+                        if (swap)
+                        {
+                            char n;
+                            swapl(&names[j], n);
+                        }
+                        g_assert(names[j] == in->buttons.names[j]);
+                    }
+                }
+                break;
+            case XIKeyClass:
+                {
+                    xXIKeyInfo *k = (xXIKeyInfo*)any;
+                    uint32_t *kc;
+
+                    if (swap)
+                    {
+                        char n;
+                        swaps(&k->num_keycodes, n);
+                    }
+
+                    g_assert(k->length ==
+                            bytes_to_int32(sizeof(xXIKeyInfo)) +
+                            k->num_keycodes);
+                    g_assert(k->num_keycodes == in->keys.max_keycode -
+                            in->keys.min_keycode + 1);
+
+                    kc = (uint32_t*)&k[1];
+                    for (j = 0; j < k->num_keycodes; j++)
+                    {
+                        if (swap)
+                        {
+                            char n;
+                            swapl(&kc[j], n);
+                        }
+                        g_assert(kc[j] >= in->keys.min_keycode);
+                        g_assert(kc[j] <= in->keys.max_keycode);
+                    }
+                }
+                break;
+            case XIValuatorClass:
+                {
+                    xXIValuatorInfo *v = (xXIValuatorInfo*)any;
+                    g_assert(v->length ==
+                             bytes_to_int32(sizeof(xXIValuatorInfo)));
+
+                }
+                break;
+        }
+
+        ptr += any->length * 4;
+    }
+
+}
+
+static void test_XIDeviceChangedEvent(DeviceChangedEvent *in)
+{
+    xXIDeviceChangedEvent *out, *swapped;
+    int rc;
+
+    rc = EventToXI2((InternalEvent*)in, (xEvent**)&out);
+    g_assert(rc == Success);
+
+    test_values_XIDeviceChangedEvent(in, out, FALSE);
+
+    swapped = xcalloc(1, sizeof(xEvent) + out->length * 4);
+    XI2EventSwap((xGenericEvent*)out, (xGenericEvent*)swapped);
+    test_values_XIDeviceChangedEvent(in, swapped, TRUE);
+
+    xfree(out);
+    xfree(swapped);
+}
+
+static void test_convert_XIDeviceChangedEvent(void)
+{
+    DeviceChangedEvent in;
+    int i;
+
+    g_test_message("Testing simple field values");
+    memset(&in, 0, sizeof(in));
+    in.header = ET_Internal;
+    in.type = ET_DeviceChanged;
+    in.length = sizeof(DeviceChangedEvent);
+    in.time             = 0;
+    in.deviceid         = 1;
+    in.sourceid         = 2;
+    in.masterid         = 3;
+    in.num_valuators    = 4;
+    in.flags = DEVCHANGE_SLAVE_SWITCH | DEVCHANGE_POINTER_EVENT | DEVCHANGE_KEYBOARD_EVENT;
+
+    for (i = 0; i < MAX_BUTTONS; i++)
+        in.buttons.names[i] = i + 10;
+
+    in.keys.min_keycode = 8;
+    in.keys.max_keycode = 255;
+
+    test_XIDeviceChangedEvent(&in);
+
+    in.time = 1L;
+    test_XIDeviceChangedEvent(&in);
+    in.time = 1L << 8;
+    test_XIDeviceChangedEvent(&in);
+    in.time = 1L << 16;
+    test_XIDeviceChangedEvent(&in);
+    in.time = 1L << 24;
+    test_XIDeviceChangedEvent(&in);
+    in.time = ~0L;
+    test_XIDeviceChangedEvent(&in);
+
+    in.deviceid = 1L;
+    test_XIDeviceChangedEvent(&in);
+    in.deviceid = 1L << 8;
+    test_XIDeviceChangedEvent(&in);
+    in.deviceid = ~0 & 0xFFFF;
+    test_XIDeviceChangedEvent(&in);
+
+    in.sourceid = 1L;
+    test_XIDeviceChangedEvent(&in);
+    in.sourceid = 1L << 8;
+    test_XIDeviceChangedEvent(&in);
+    in.sourceid = ~0 & 0xFFFF;
+    test_XIDeviceChangedEvent(&in);
+
+    in.masterid = 1L;
+    test_XIDeviceChangedEvent(&in);
+    in.masterid = 1L << 8;
+    test_XIDeviceChangedEvent(&in);
+    in.masterid = ~0 & 0xFFFF;
+    test_XIDeviceChangedEvent(&in);
+
+    in.buttons.num_buttons = 0;
+    test_XIDeviceChangedEvent(&in);
+
+    in.buttons.num_buttons = 1;
+    test_XIDeviceChangedEvent(&in);
+
+    in.buttons.num_buttons = MAX_BUTTONS;
+    test_XIDeviceChangedEvent(&in);
+
+    in.keys.min_keycode = 0;
+    in.keys.max_keycode = 0;
+    test_XIDeviceChangedEvent(&in);
+
+    in.keys.max_keycode = 1 << 8;
+    test_XIDeviceChangedEvent(&in);
+
+    in.keys.max_keycode = 0xFFFD; /* highest range, above that the length
+                                     field gives up */
+    test_XIDeviceChangedEvent(&in);
+
+    in.keys.min_keycode = 1 << 8;
+    in.keys.max_keycode = 1 << 8;
+    test_XIDeviceChangedEvent(&in);
+
+    in.keys.min_keycode = 1 << 8;
+    in.keys.max_keycode = 0;
+    test_XIDeviceChangedEvent(&in);
+
+    in.num_valuators = 0;
+    test_XIDeviceChangedEvent(&in);
+
+    in.num_valuators = 1;
+    test_XIDeviceChangedEvent(&in);
+
+    in.num_valuators = MAX_VALUATORS;
+    test_XIDeviceChangedEvent(&in);
+
+    for (i = 0; i < MAX_VALUATORS; i++)
+    {
+        in.valuators[i].min = 0;
+        in.valuators[i].max = 0;
+        test_XIDeviceChangedEvent(&in);
+
+        in.valuators[i].max = 1 << 8;
+        test_XIDeviceChangedEvent(&in);
+        in.valuators[i].max = 1 << 16;
+        test_XIDeviceChangedEvent(&in);
+        in.valuators[i].max = 1 << 24;
+        test_XIDeviceChangedEvent(&in);
+        in.valuators[i].max = abs(~0);
+        test_XIDeviceChangedEvent(&in);
+
+        in.valuators[i].resolution = 1 << 8;
+        test_XIDeviceChangedEvent(&in);
+        in.valuators[i].resolution = 1 << 16;
+        test_XIDeviceChangedEvent(&in);
+        in.valuators[i].resolution = 1 << 24;
+        test_XIDeviceChangedEvent(&in);
+        in.valuators[i].resolution = abs(~0);
+        test_XIDeviceChangedEvent(&in);
+
+        in.valuators[i].name = i;
+        test_XIDeviceChangedEvent(&in);
+
+        in.valuators[i].mode = Relative;
+        test_XIDeviceChangedEvent(&in);
+
+        in.valuators[i].mode = Absolute;
+        test_XIDeviceChangedEvent(&in);
+    }
+}
+
+int main(int argc, char** argv)
+{
+    g_test_init(&argc, &argv,NULL);
+    g_test_bug_base("https://bugzilla.freedesktop.org/show_bug.cgi?id=");
+
+    g_test_add_func("/xi2/eventconvert/XIRawEvent", test_convert_XIRawEvent);
+    g_test_add_func("/xi2/eventconvert/XIFocusEvent", test_convert_XIFocusEvent);
+    g_test_add_func("/xi2/eventconvert/XIDeviceEvent", test_convert_XIDeviceEvent);
+    g_test_add_func("/xi2/eventconvert/XIDeviceChangedEvent", test_convert_XIDeviceChangedEvent);
+
+    return g_test_run();
+}