ASSERT(!isUndefined()) in animation on max-height

• Component: CSS
• Status: RESOLVED DUPLICATE

[Allan Sandfeld Jensen]

Assertion observed in Length::isZero() on is !isUndefined().

It appears the problem is an animation on max-height going from undefined to a defined value.

#5  0x00007fb86fc5b012 in WebCore::Length::isZero (this=0x7fff370b83f0) at /src/qtwebkit-23/Source/WebCore/platform/Length.h:195
#6  0x00007fb86fc5b0f2 in WebCore::Length::blend (this=0x7fff370b83e0, from=..., progress=0) at /src/qtwebkit-23/Source/WebCore/platform/Length.h:235
#7  0x00007fb86fc5d774 in WebCore::blendFunc (from=..., to=..., progress=0) at /src/qtwebkit-23/Source/WebCore/page/animation/CSSPropertyAnimation.cpp:83
#8  0x00007fb86fc70c87 in WebCore::PropertyWrapper<WebCore::Length>::blend (this=0x440c550, anim=0x4c3c440, dst=0x4c3c6d0, a=0x2e8f2c0, b=0x2f28a80, progress=0) at /src/qtwebkit-23/Source/WebCore/page/animation/CSSPropertyAnimation.cpp:379
#9  0x00007fb86fc67e95 in WebCore::CSSPropertyAnimation::blendProperties (anim=0x4c3c440, prop=WebCore::CSSPropertyMaxHeight, dst=0x4c3c6d0, a=0x2e8f2c0, b=0x2f28a80, progress=0) at /src/qtwebkit-23/Source/WebCore/page/animation/CSSPropertyAnimation.cpp:1265
#10 0x00007fb86fc72b29 in WebCore::ImplicitAnimation::animate (this=0x4c3c440, targetStyle=0x2f28a80, animatedStyle=...) at /src/qtwebkit-23/Source/WebCore/page/animation/ImplicitAnimation.cpp:81

[Allan Sandfeld Jensen]

*** This bug has been marked as a duplicate of bug 131842 ***