Bug 1497380 [wpt PR 13389] - [css-text] Control characters should be …

…visible, a=testonly

Automatic update from web-platform-tests[css-text] Control characters should be visible (#13389)

Tests for w3c/csswg-drafts#1990 and w3c/csswg-drafts#855
--

wpt-commits: 434ca4744845966d5f3f87355f41ccc6f777376f
wpt-pr: 13389

UltraBlame original commit: 3dcedb9143bb1eb83104848a61127b1d97a39bed

testing/web-platform/tests/css/css-text/white-space/control-chars-000.html

@@ -0,0 +1,203 @@
+<
+!
+doctype
+html
+>
+<
+meta
+charset
+=
+utf
+-
+8
+>
+<
+title
+>
+Control
+charcters
+must
+be
+visible
+:
+U
++
+0000
+<
+/
+title
+>
+<
+link
+rel
+=
+author
+title
+=
+"
+Florian
+Rivoal
+"
+href
+=
+"
+https
+:
+/
+/
+florian
+.
+rivoal
+.
+net
+"
+>
+<
+link
+rel
+=
+help
+href
+=
+"
+https
+:
+/
+/
+drafts
+.
+csswg
+.
+org
+/
+css
+-
+text
+-
+3
+/
+#
+white
+-
+space
+-
+processing
+"
+>
+<
+link
+rel
+=
+mismatch
+href
+=
+"
+reference
+/
+control
+-
+chars
+-
+000
+-
+ref
+.
+html
+"
+>
+<
+meta
+name
+=
+flags
+content
+=
+"
+"
+>
+<
+meta
+name
+=
+assert
+content
+=
+"
+U
++
+0000
+which
+is
+in
+the
+unicode
+category
+CC
+must
+be
+visible
+"
+>
+<
+style
+>
+div
+{
+font
+-
+size
+:
+4em
+;
+}
+div
+:
+:
+after
+{
+content
+:
+"
+\
+0000
+"
+}
+/
+*
+Injecting
+via
+CSS
+to
+avoid
+any
+mangling
+by
+the
+html
+parser
+*
+/
+<
+/
+style
+>
+<
+p
+>
+Test
+passes
+if
+there
+is
+a
+visible
+character
+below
+.
+<
+div
+>
+<
+/
+div
+>