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diff --git a/layout/reftests/w3c-css/submitted/flexbox/flexbox-min-width-auto-001.html b/layout/reftests/w3c-css/submitted/flexbox/flexbox-min-width-auto-001.html new file mode 100644 index 000000000..cb347abea --- /dev/null +++ b/layout/reftests/w3c-css/submitted/flexbox/flexbox-min-width-auto-001.html @@ -0,0 +1,100 @@ +<!DOCTYPE html> +<!-- + Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ +--> +<html> + <head> + <meta charset="utf-8"> + <title>CSS Test: Testing min-width:auto</title> + <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> + <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#min-size-auto"> + <link rel="match" href="flexbox-min-width-auto-001-ref.html"> +<!-- + This testcase tests the used value of "min-width:auto" (the property's + initial value) on flex items in a horizontal flex container. + + It's supposed to resolve to the smallest of: + a) The used 'flex-basis' (taken from 'width'), if 'flex-basis' is at its + initial value. + b) The computed 'max-width' property + c) If there's no intrinsic aspect ratio: the item's min-content width. + d) If there is an intrinsic aspect ratio: the item's width derived from + the ratio & constraints in the other dimension. + + We measure what the used value is by putting flex items in a small flex + container, which will shrink its items down to their min-width. + + This test checks for situations where we should resolve the min-width as + (a), (b), or (c) above. Another test will check (d). +--> + <style> + .flexbox { + display: flex; + width: 1px; /* No available space; shrink flex items to min-width */ + margin-bottom: 2px; /* (Just for spacing things out, visually) */ + } + + .flexbox > * { + /* Flex items have purple border: */ + border: 2px dotted purple; + } + + .flexbox > * > * { + /* Flex items' contents are gray & fixed-size: */ + background: gray; + height: 10px; + width: 80px; + } + </style> + </head> + <body> + <!-- Check for min-width:auto resolving correctly when the smallest + candidate value is: --> + <!-- *** (a) Used 'flex-basis' (from 'width') *** --> + <!-- First, without definite max-width: --> + <div class="flexbox"> + <div style="width: 50px"><div></div></div> + </div> + <!-- ...and now with definite (& large) 'max-width': --> + <div class="flexbox"> + <div style="width: 50px; max-width: 120px;"><div></div></div> + </div> + <!-- ...and now with used 'flex-basis' being a calc expression:--> + <div class="flexbox"> + <div style="width: calc(10% + 50px)"><div></div></div> + </div> + + <!-- *** (b) The computed 'max-width' *** --> + <!-- First, with a larger candidate 'flex-basis' value (from 'width') --> + <div class="flexbox"> + <div style="width: 100px; max-width:50px"><div></div></div> + </div> + <!-- ...and now with a larger explicit 'flex-basis' value (which shouldn't + be considered for 'min-width:auto' anyway) --> + <div class="flexbox"> + <div style="flex-basis: 100px; max-width:50px"><div></div></div> + </div> + <!-- ...and now with a smaller explicit 'flex-basis' value (which shouldn't + be considered for 'min-width:auto' anyway) --> + <div class="flexbox"> + <div style="flex-basis: 10px; max-width:50px"><div></div></div> + </div> + + <!-- *** (c) (no intrinsic aspect ratio) The min-content size *** --> + <!-- First, with a larger candidate 'flex-basis' value (from 'width') --> + <div class="flexbox"> + <div style="width: 100px"><div></div></div> + </div> + <!-- ...and now with a larger explicit 'flex-basis' value (which shouldn't + be considered for 'min-width:auto' anyway) --> + <div class="flexbox"> + <div style="flex-basis: 100px"><div></div></div> + </div> + <!-- ...and now with a smaller explicit 'flex-basis' value (which shouldn't + be considered for 'min-width:auto' anyway) --> + <div class="flexbox"> + <div style="flex-basis: 10px"><div></div></div> + </div> + </body> +</html> |