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Re: Proposed improvements to c414-flt-ln-002

From: Øyvind Stenhaug <oyvinds@opera.com>
Date: Thu, 07 Oct 2010 17:30:16 +0200
To: Gérard Talbot <css21testsuite@gtalbot.org>
Cc: "public-css-testsuite@w3.org" <public-css-testsuite@w3.org>, "Geoffrey Sneddon" <gsneddon@opera.com>
Message-ID: <op.vj7pcqhsbunlto@oyvinds-desktop>
On Wed, 06 Oct 2010 22:15:13 +0200, Gérard Talbot  
<css21testsuite@gtalbot.org> wrote:

> Øyvind, you wrote in
>
> http://wiki.csswg.org/test/css2.1/issues#tests-that-need-usability-improvements

Actually,  
http://wiki.csswg.org/test/css2.1/issues#miscellaneous-incorrect-tests

> that the testcase is too complex. What about
> http://www.gtalbot.org/BrowserBugsSection/css21testsuite/c414-flt-ln-002-draft.htm
> then?

It looks better, but still probably too complicated to accurately judge  
without knowledge of how floats work (and even of the particular markup of  
this test). It's not obvious what counts as "enough horizontal room".

If the big green box is aligned to the line below the small green box, and  
the small green box has a bunch of "filler text" to its left that fills a  
bigger space than the green box would need, does that mean it's a fail or  
not? Actually, this depends on where the small green box is located. If  
moving the large box up would cause the small box to be pushed to the next  
line when the filler text is pushed to the right, it's not a fail.  
Otherwise it is.

I was thinking something like this, and with a separate copy for a case  
where the float has to be moved down (I changed a color to blue since the  
word "teal" is kind of obscure):

@@ -2 +1,0 @@
-
@@ -13,2 +12,2 @@
-  <meta name="flags" content="interact">
-  <meta name="assert" content="The top edge of the margin box of a  
floated box is aligned with the top of the current line box. If there is  
not enough horizontal room for the margin box of such floated box, then it  
is shifted downward into a next line box until either it fits; in such  
case, its top edge must again be aligned with the top of such next line  
box.">
+  <meta name="flags" content="ahem">
+  <meta name="assert" content="The top edge of the margin box of a  
floated box is aligned with the top of the current line box.">
@@ -20 +19 @@
-  font: 1.25em/1.2 serif;
+  font: 1.25em/1.0 ahem;
@@ -22,0 +22 @@
+  width: 30em;
@@ -34,2 +34,2 @@
-  background-color: teal;
-  color: white;
+  color: blue;
+  background-color: blue;
@@ -40 +40 @@
-  border: teal solid 4px;
+  border: blue solid 4px;
@@ -45,0 +46 @@
+  color: green;
@@ -47 +47,0 @@
-  color: white;
@@ -61,3 +61 @@
-  <p>The top of the big triple-letter coloured boxes should be flush with  
the top of the small single-letter coloured boxes of the same color. If  
there is not enough horizontal room for the big box to fit on the small  
box's line on its left side, then the big box should appear on the  
leftmost part of next line of where is the small box.</p>
-
-  <p>You can resize the window to change respective position of boxes and  
you can increase/decrease the font size to verify.</p>
+  <p>The top edges of the two blue boxes should be flush with each other,  
and the top edges of the two green boxes should be flush with each  
other.</p>
@@ -65,2 +63 @@
-  <div>filler text filler text filler text filler text filler text filler  
text
-   filler text <span class="a">A</span>
+  <div>filler text <span class="a">A</span>
@@ -68 +64,0 @@
-   filler text filler text filler text filler text filler text filler text
@@ -70 +65,0 @@
-   filler text filler text filler text filler text filler text filler text
@@ -74,6 +68,0 @@
-   filler text filler text filler text filler text filler text filler text
-   filler text filler text filler text filler text filler text filler text
-   filler text filler text filler text filler text filler text filler text
-   filler text filler text filler text filler text filler text filler text
-   filler text filler text filler text filler text filler text filler text
-   filler text filler text filler text filler text filler text filler text

-- 
Øyvind Stenhaug
Core Norway, Opera Software ASA
Received on Thursday, 7 October 2010 15:29:02 GMT

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