part 3: Add block-axis variants of textarea text-in-padding tests, to…

… validate that text can render in block-end padding but not block-start padding. This patch was mostly generated automatically (based off of neighboring tests), using the following bash script (executed in the "the-textarea-element" directory): ``` for inlineVer in ./textarea-padding-i*; do blockVer=`echo $inlineVer | sed "s/padding-i/padding-b/"` hg cp $inlineVer $blockVer # Fix the link tags pointing to reference cases: sed -i s/-istart-/-bstart-/g $blockVer sed -i s/-iend-/-bend-/g $blockVer # Swap "block" and "inline" terminology throughout the new copy: sed -i s/block/TEMPORARY-FOO/g $blockVer sed -i s/inline/block/g $blockVer sed -i s/TEMPORARY-FOO/inline/g $blockVer done ``` After running that script, I added one additional "overflow:hidden" declaration to the generated "textarea-padding-bend-overlaps-content-001.tentative.html" file (and an explanatory comment), to suppress scrollbars that get generated specifically for block-axis end-edge padding overflow. Differential Revision: https://phabricator.services.mozilla.com/D152332 bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1780444 gecko-commit: fb5353c55f7a9f79ede9ed97916ebf2a1b6d5372 gecko-reviewers: emilio
web-platform-tests · Jul 22, 2022 · a3a24b5 · a3a24b5
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diff --git a/...eplaced-elements/the-textarea-element/textarea-padding-bend-overlaps-content-001-ref.html b/...eplaced-elements/the-textarea-element/textarea-padding-bend-overlaps-content-001-ref.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Reference Case</title>
+
+<link rel="stylesheet" href="/fonts/ahem.css">
+<style>
+textarea {
+  font: 10px/1 Ahem;
+
+  block-size: 8em;
+  inline-size: 10em;
+
+  padding-block-end: 0;
+}
+.rtl { direction: rtl; }
+.vlr { writing-mode: vertical-lr; }
+.vrl { writing-mode: vertical-rl; }
+.slr { writing-mode: sideways-lr; }
+.srl { writing-mode: sideways-rl; }
+</style>
+<textarea>X</textarea>
+<textarea class="rtl">X</textarea>
+<br>
+<textarea class="vlr">X</textarea>
+<textarea class="vrl">X</textarea>
+<textarea class="slr">X</textarea>
+<textarea class="srl">X</textarea>
+<br>
+<textarea class="vlr rtl">X</textarea>
+<textarea class="vrl rtl">X</textarea>
+<textarea class="slr rtl">X</textarea>
+<textarea class="srl rtl">X</textarea>
diff --git a/...d-elements/the-textarea-element/textarea-padding-bend-overlaps-content-001.tentative.html b/...d-elements/the-textarea-element/textarea-padding-bend-overlaps-content-001.tentative.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Test: padding-block-end on a textarea creates space that content can render into</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-textarea-element-2">
+<link rel="match" href="textarea-padding-bend-overlaps-content-001-ref.html">
+
+<link rel="stylesheet" href="/fonts/ahem.css">
+<style>
+textarea {
+  font: 10px/1 Ahem;
+
+  /* Zero out the content-box, leaving the padding area as the only
+     place where the contents might get rendered. */
+  block-size: 0;
+  inline-size: 10em;
+
+  padding-block-end: 8em;
+
+  /* The textarea's padding-block-end may create overflow in the block axis,
+     and hence generate a scrollbar in the testcase that's not present in the
+     reference case (and might be hard to properly mock up there).  We avoid
+     this problem by suppressing scrollbars using "overflow:hidden": */
+  overflow: hidden;
+}
+.rtl { direction: rtl; }
+.vlr { writing-mode: vertical-lr; }
+.vrl { writing-mode: vertical-rl; }
+.slr { writing-mode: sideways-lr; }
+.srl { writing-mode: sideways-rl; }
+</style>
+
+<textarea>X</textarea>
+<textarea class="rtl">X</textarea>
+<br>
+<textarea class="vlr">X</textarea>
+<textarea class="vrl">X</textarea>
+<textarea class="slr">X</textarea>
+<textarea class="srl">X</textarea>
+<br>
+<textarea class="vlr rtl">X</textarea>
+<textarea class="vrl rtl">X</textarea>
+<textarea class="slr rtl">X</textarea>
+<textarea class="srl rtl">X</textarea>
diff --git a/...replaced-elements/the-textarea-element/textarea-padding-bstart-moves-content-001-ref.html b/...replaced-elements/the-textarea-element/textarea-padding-bstart-moves-content-001-ref.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Reference Case</title>
+
+<link rel="stylesheet" href="/fonts/ahem.css">
+<style>
+textarea {
+  font: 10px/1 Ahem;
+
+  block-size: 8em;
+  inline-size: 10em;
+
+  padding-block-start: 0;
+  padding-block-end: 0;
+}
+.rtl { direction: rtl; }
+.vlr { writing-mode: vertical-lr; }
+.vrl { writing-mode: vertical-rl; }
+.slr { writing-mode: sideways-lr; }
+.srl { writing-mode: sideways-rl; }
+</style>
+
+<textarea></textarea>
+<textarea class="rtl"></textarea>
+<br>
+<textarea class="vlr"></textarea>
+<textarea class="vrl"></textarea>
+<textarea class="slr"></textarea>
+<textarea class="srl"></textarea>
+<br>
+<textarea class="vlr rtl"></textarea>
+<textarea class="vrl rtl"></textarea>
+<textarea class="slr rtl"></textarea>
+<textarea class="srl rtl"></textarea>
diff --git a/...ed-elements/the-textarea-element/textarea-padding-bstart-moves-content-001.tentative.html b/...ed-elements/the-textarea-element/textarea-padding-bstart-moves-content-001.tentative.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Test: padding-block-start on a textarea moves the textarea content over, potentially out of the textarea's scrollport</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-textarea-element-2">
+<link rel="match" href="textarea-padding-bstart-moves-content-001-ref.html">
+
+<link rel="stylesheet" href="/fonts/ahem.css">
+<style>
+textarea {
+  font: 10px/1 Ahem;
+
+  /* Zero out the content-box, leaving the padding area as the only
+     place where the contents might get rendered. */
+  block-size: 0;
+  inline-size: 10em;
+
+  padding-block-start: 8em;
+  padding-block-end: 0;
+
+  /* We expect the textarea's content to overflow in the block direction,
+     which makes the textarea blank, aside from any scrollbars that might get
+     created by this overflow.  We use overflow:hidden here to suppress these
+     scrollbars, so that the reference case can just use a trivial empty
+     textarea (without needing to worry about mocking up scrollbars of
+     precisely the right size). */
+  overflow: hidden;
+}
+.rtl { direction: rtl; }
+.vlr { writing-mode: vertical-lr; }
+.vrl { writing-mode: vertical-rl; }
+.slr { writing-mode: sideways-lr; }
+.srl { writing-mode: sideways-rl; }
+</style>
+
+<textarea>X</textarea>
+<textarea class="rtl">X</textarea>
+<br>
+<textarea class="vlr">X</textarea>
+<textarea class="vrl">X</textarea>
+<textarea class="slr">X</textarea>
+<textarea class="srl">X</textarea>
+<br>
+<textarea class="vlr rtl">X</textarea>
+<textarea class="vrl rtl">X</textarea>
+<textarea class="slr rtl">X</textarea>
+<textarea class="srl rtl">X</textarea>