Bug 115025 – LayoutUnit overflows in fast/events/constructors/(mouse|wheel)-event-constructor.html

• Component: WebKitGTK
• Status: RESOLVED FIXED

[Zan Dobersek]

The following two tests are outputting out-of-bounds messages in LayoutUnit:
fast/events/constructors/mouse-event-constructor.html
fast/events/constructors/wheel-event-constructor.html

The message:
ERROR: !(isInBounds(value))
../../Source/WebCore/platform/LayoutUnit.h(325) : void WebCore::LayoutUnit::setValue(int)
ERROR: !(isInBounds(value))
../../Source/WebCore/platform/LayoutUnit.h(325) : void WebCore::LayoutUnit::setValue(int)

This is happening when testing the bounds of WebIDL's long type for clientX and clientY attributes. The tests fail, as the diffs show:

--- /home/slave/webkitgtk/gtk-linux-64-debug-wk1/build/layout-test-results/fast/events/constructors/mouse-event-constructor-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-debug-wk1/build/layout-test-results/fast/events/constructors/mouse-event-constructor-actual.txt
@@ -101,9 +101,9 @@
 PASS new MouseEvent('eventType', { screenY: {moemoe: 12345} }).screenY is 0
 PASS new MouseEvent('eventType', { screenY: {valueOf: function () { return 12345; }} }).screenY is 12345
 PASS new MouseEvent('eventType', { clientX: 0 }).clientX is 0
-PASS new MouseEvent('eventType', { clientX: 2147483647 }).clientX is 2147483647
+FAIL new MouseEvent('eventType', { clientX: 2147483647 }).clientX should be 2147483647. Was -1.
 PASS new MouseEvent('eventType', { clientX: -1 }).clientX is -1
-PASS new MouseEvent('eventType', { clientX: -2147483648 }).clientX is -2147483648
+FAIL new MouseEvent('eventType', { clientX: -2147483648 }).clientX should be -2147483648. Was 0.
 PASS new MouseEvent('eventType', { clientX: 4294967295 }).clientX is -1
 PASS new MouseEvent('eventType', { clientX: 9007199254740991 }).clientX is -1
 PASS new MouseEvent('eventType', { clientX: 18446744073709551615 }).clientX is 0
@@ -122,9 +122,9 @@
 PASS new MouseEvent('eventType', { clientX: {moemoe: 12345} }).clientX is 0
 PASS new MouseEvent('eventType', { clientX: {valueOf: function () { return 12345; }} }).clientX is 12345
 PASS new MouseEvent('eventType', { clientY: 0 }).clientY is 0
-PASS new MouseEvent('eventType', { clientY: 2147483647 }).clientY is 2147483647
+FAIL new MouseEvent('eventType', { clientY: 2147483647 }).clientY should be 2147483647. Was -1.
 PASS new MouseEvent('eventType', { clientY: -1 }).clientY is -1
-PASS new MouseEvent('eventType', { clientY: -2147483648 }).clientY is -2147483648
+FAIL new MouseEvent('eventType', { clientY: -2147483648 }).clientY should be -2147483648. Was 0.
 PASS new MouseEvent('eventType', { clientY: 4294967295 }).clientY is -1
 PASS new MouseEvent('eventType', { clientY: 9007199254740991 }).clientY is -1
 PASS new MouseEvent('eventType', { clientY: 18446744073709551615 }).clientY is 0

--- /home/slave/webkitgtk/gtk-linux-64-debug-wk1/build/layout-test-results/fast/events/constructors/wheel-event-constructor-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-debug-wk1/build/layout-test-results/fast/events/constructors/wheel-event-constructor-actual.txt
@@ -104,9 +104,9 @@
 PASS new WheelEvent('eventType', { screenY: {moemoe: 12345} }).screenY is 0
 PASS new WheelEvent('eventType', { screenY: {valueOf: function () { return 12345; }} }).screenY is 12345
 PASS new WheelEvent('eventType', { clientX: 0 }).clientX is 0
-PASS new WheelEvent('eventType', { clientX: 2147483647 }).clientX is 2147483647
+FAIL new WheelEvent('eventType', { clientX: 2147483647 }).clientX should be 2147483647. Was -1.
 PASS new WheelEvent('eventType', { clientX: -1 }).clientX is -1
-PASS new WheelEvent('eventType', { clientX: -2147483648 }).clientX is -2147483648
+FAIL new WheelEvent('eventType', { clientX: -2147483648 }).clientX should be -2147483648. Was 0.
 PASS new WheelEvent('eventType', { clientX: 4294967295 }).clientX is -1
 PASS new WheelEvent('eventType', { clientX: 9007199254740991 }).clientX is -1
 PASS new WheelEvent('eventType', { clientX: 18446744073709551615 }).clientX is 0
@@ -125,9 +125,9 @@
 PASS new WheelEvent('eventType', { clientX: {moemoe: 12345} }).clientX is 0
 PASS new WheelEvent('eventType', { clientX: {valueOf: function () { return 12345; }} }).clientX is 12345
 PASS new WheelEvent('eventType', { clientY: 0 }).clientY is 0
-PASS new WheelEvent('eventType', { clientY: 2147483647 }).clientY is 2147483647
+FAIL new WheelEvent('eventType', { clientY: 2147483647 }).clientY should be 2147483647. Was -1.
 PASS new WheelEvent('eventType', { clientY: -1 }).clientY is -1
-PASS new WheelEvent('eventType', { clientY: -2147483648 }).clientY is -2147483648
+FAIL new WheelEvent('eventType', { clientY: -2147483648 }).clientY should be -2147483648. Was 0.
 PASS new WheelEvent('eventType', { clientY: 4294967295 }).clientY is -1
 PASS new WheelEvent('eventType', { clientY: 9007199254740991 }).clientY is -1
 PASS new WheelEvent('eventType', { clientY: 18446744073709551615 }).clientY is 0


http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=fast%2Fevents%2Fconstructors%2Fmouse-event-constructor.html%2Cfast%2Fevents%2Fconstructors%2Fwheel-event-constructor.html

[Ms2ger (he/him; ⌚ UTC+1/+2)]

Created attachment 328805 [details]
Patch

[EWS Watchlist]

Comment on attachment 328805 [details]
Patch

Attachment 328805 [details] did not pass mac-wk2-ews (mac-wk2):
Output: http://webkit-queues.webkit.org/results/5544339

New failing tests:
fast/text/vertical-rl-rtl-linebreak.html

[EWS Watchlist]

Created attachment 328811 [details]
Archive of layout-test-results from ews105 for mac-elcapitan-wk2

The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: ews105  Port: mac-elcapitan-wk2  Platform: Mac OS X 10.11.6

[Zan Dobersek]

(In reply to Ms2ger from comment #1)
> Created attachment 328805 [details]
> Patch

Chris, can you please take a look?

[WebKit Commit Bot]

Comment on attachment 328805 [details]
Patch

Clearing flags on attachment: 328805

Committed r231549: <https://trac.webkit.org/changeset/231549>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.