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LibWeb: Avoid leaking infinite remaining_free_space in FFC calculation
After switching to fixed-point arithmetic in CSSPixels, it no longer supports representing infinite values, which was previously the case for remaining_free_space in FFC. Using Optional that is not empty only when value is finite to store remaining_free_space ensures that infinity is avoided in layout calculations.
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4 changed files with 36 additions and 17 deletions
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Viewport <#document> at (0,0) content-size 800x600 children: not-inline
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BlockContainer <html> at (0,0) content-size 800x33.46875 [BFC] children: not-inline
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Box <body> at (8,8) content-size 784x17.46875 flex-container(column) [FFC] children: not-inline
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BlockContainer <main> at (8,8) content-size 784x17.46875 flex-item [BFC] children: inline
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line 0 width: 153.984375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
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frag 0 from TextNode start: 0, length: 13, rect: [8,8 153.984375x17.46875]
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"hmmMMMMmmmmmm"
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TextNode <#text>
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<!DOCTYPE html><html><head><style>
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body {
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display: flex;
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flex-direction: column;
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}
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main {
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margin-top: auto;
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margin-bottom: auto;
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}
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</style></head><body><main>hmmMMMMmmmmmm
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