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LibWeb: Ensure DOMRect top, bottom, left and right handle NaN correctly

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Tim Ledbetter 2024-02-17 08:09:53 +00:00 • committed by Jelle Raaijmakers
parent b03c94c26e
commit 1560bfc6c9
3 changed files with 47 additions and 4 deletions
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8
Tests/LibWeb/Text/expected/geometry/domrect-create.txt
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@ -3,8 +3,16 @@ Testing DOMRect:
2. {"x":10,"y":20,"width":30,"height":40,"top":20,"right":40,"bottom":60,"left":10}
3. {"x":-10,"y":-20,"width":30,"height":40,"top":-20,"right":20,"bottom":20,"left":-10}
4. {"x":10,"y":20,"width":30,"height":40,"top":20,"right":40,"bottom":60,"left":10}
5. {"x":null,"y":20,"width":30,"height":40,"top":20,"right":null,"bottom":60,"left":null}
6. {"x":10,"y":null,"width":30,"height":40,"top":null,"right":40,"bottom":null,"left":10}
7. {"x":10,"y":20,"width":null,"height":40,"top":20,"right":null,"bottom":60,"left":null}
8. {"x":10,"y":20,"width":30,"height":null,"top":null,"right":40,"bottom":null,"left":10}
Testing DOMRectReadOnly:
1. {"x":0,"y":0,"width":0,"height":0,"top":0,"right":0,"bottom":0,"left":0}
2. {"x":10,"y":20,"width":30,"height":40,"top":20,"right":40,"bottom":60,"left":10}
3. {"x":-10,"y":-20,"width":30,"height":40,"top":-20,"right":20,"bottom":20,"left":-10}
4. {"x":10,"y":20,"width":30,"height":40,"top":20,"right":40,"bottom":60,"left":10}
5. {"x":null,"y":20,"width":30,"height":40,"top":20,"right":null,"bottom":60,"left":null}
6. {"x":10,"y":null,"width":30,"height":40,"top":null,"right":40,"bottom":null,"left":10}
7. {"x":10,"y":20,"width":null,"height":40,"top":20,"right":null,"bottom":60,"left":null}
8. {"x":10,"y":20,"width":30,"height":null,"top":null,"right":40,"bottom":null,"left":10}

12
Tests/LibWeb/Text/input/geometry/domrect-create.html
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@ -26,6 +26,18 @@
// 4. Creating a DOMRect with DOMRect.fromRect()
testPart(() => Rect.fromRect({ x: 10, y: 20, width: 30, height: 40 }));
// 5. Creating a DOMRect with NaN x value
testPart(() => new Rect(NaN, 20, 30, 40));
// 6. Creating a DOMRect with NaN y value
testPart(() => new Rect(10, NaN, 30, 40));
// 7. Creating a DOMRect with NaN width value
testPart(() => new Rect(10, 20, NaN, 40));
// 8. Creating a DOMRect with NaN height value
testPart(() => new Rect(10, 20, 30, NaN));
testCounter = 1;
}
});

31
Userland/Libraries/LibWeb/Geometry/DOMRectReadOnly.h
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@ -36,10 +36,33 @@ public:
double width() const { return m_rect.width(); }
double height() const { return m_rect.height(); }
double top() const { return min(y(), y() + height()); }
double right() const { return max(x(), x() + width()); }
double bottom() const { return max(y(), y() + height()); }
double left() const { return min(x(), x() + width()); }
double top() const
{
if (isnan(y()) || isnan(height()))
return NAN;
return min(y(), y() + height());
}
double right() const
{
if (isnan(x()) || isnan(width()))
return NAN;
return max(x(), x() + width());
}
double bottom() const
{
if (isnan(y()) || isnan(height()))
return NAN;
return max(y(), y() + height());
}
double left() const
{
if (isnan(x()) || isnan(width()))
return NAN;
return min(x(), x() + width());
}
protected:
DOMRectReadOnly(JS::Realm&, double x, double y, double width, double height);