[latex3-commits] [git/latex2e] master: additional @ifundefined tests (luatex failure) (c3725ee)

[Joseph Wright]

Repository : https://github.com/latex3/latex2e
On branch  : master
Link       : https://github.com/latex3/latex2e/commit/c3725ee10e12e4186f220b2f41558c1ad5f04042

>---------------------------------------------------------------

commit c3725ee10e12e4186f220b2f41558c1ad5f04042
Author: David Carlisle <d.p.carlisle at gmail.com>
Date:   Sun Jan 7 14:57:25 2018 +0000

    additional @ifundefined tests (luatex failure)


>---------------------------------------------------------------

c3725ee10e12e4186f220b2f41558c1ad5f04042
 base/testfiles/tlb-ifundefined-2017.lvt |   27 +++++++++++++++++----------
 base/testfiles/tlb-ifundefined-2017.tlg |   10 +++++++---
 base/testfiles/tlb-ifundefined.lvt      |   27 +++++++++++++++++----------
 base/testfiles/tlb-ifundefined.tlg      |   10 +++++++---
 4 files changed, 48 insertions(+), 26 deletions(-)

diff --git a/base/testfiles/tlb-ifundefined-2017.lvt b/base/testfiles/tlb-ifundefined-2017.lvt
index dd1688a..cd8fd16 100644
--- a/base/testfiles/tlb-ifundefined-2017.lvt
+++ b/base/testfiles/tlb-ifundefined-2017.lvt
@@ -2,19 +2,26 @@
 \input{test2e}
 
 % testing \@ifthenelse with defined and undefinined commands
-% including unmatched \if
-% finally test whether undefined command gets set to \relax
+% including unmatched \if, empty csname and \par in arguments.
+
+% Also test whether undefined command gets set to \relax
 % or (from 2018 on) left undefined
 
 \START
 
-\wlog{test 1 \@ifundefined{\expandafter\@gobble\string\if}{Y}{N}}
-\wlog{test 2 \@ifundefined{\expandafter\string\csname def\endcsname}{Y}{N}}
-\wlog{test 3 \@ifundefined{\string\if}{Y}{N}}
-\wlog{test 4 \@ifundefined{hbox}{Y}{N}}
-\wlog{test 5 \@ifundefined{wibble}{Y}{N}}
-\wlog{test 6 \@ifundefined{wibble-2}{Y\par}{N\par}}
-\wlog{test 7 \@ifundefined{vbox}{Y\par}{N\par}}
-\wlog{test 8 \meaning\wibble}
+\wlog{test  1 \@ifundefined{\expandafter\@gobble\string\if}{Y}{N}}
+\wlog{test  2 \@ifundefined{\expandafter\string\csname def\endcsname}{Y}{N}}
+\wlog{test  3 \@ifundefined{\string\if}{Y}{N}}
+\wlog{test  4 \@ifundefined{hbox}{Y}{N}}
+\wlog{test  5 \@ifundefined{wibble}{Y}{N}}
+\wlog{test  6 \meaning\wibble}
+\wlog{test  7 \@ifundefined{wibble-2}{Y\par}{N\par}}
+\wlog{test  8 \@ifundefined{vbox}{Y\par}{N\par}}
+\wlog{test  9 \@ifundefined{}{Y}{N}}
+\expandafter\let\csname\endcsname X
+\wlog{test 10 \@ifundefined{}{Y}{N}}
+\expandafter\let\csname\endcsname \relax
+\wlog{test 11 \@ifundefined{}{Y}{N}}
+\wlog{test 12 \@ifundefined{relax}{Y}{N}}
 
 \END
diff --git a/base/testfiles/tlb-ifundefined-2017.tlg b/base/testfiles/tlb-ifundefined-2017.tlg
index 4e9b498..4d00481 100644
--- a/base/testfiles/tlb-ifundefined-2017.tlg
+++ b/base/testfiles/tlb-ifundefined-2017.tlg
@@ -5,6 +5,10 @@ test 2 Y
 test 3 Y
 test 4 N
 test 5 Y
-test 6 Y\par 
-test 7 N\par 
-test 8 \relax
+test 6 \relax
+test 7 Y\par 
+test 8 N\par 
+test 9 Y
+test 10 N
+test 11 Y
+test 12 Y
diff --git a/base/testfiles/tlb-ifundefined.lvt b/base/testfiles/tlb-ifundefined.lvt
index f48d829..d7ec60e 100644
--- a/base/testfiles/tlb-ifundefined.lvt
+++ b/base/testfiles/tlb-ifundefined.lvt
@@ -2,19 +2,26 @@
 \input{test2e}
 
 % testing \@ifthenelse with defined and undefinined commands
-% including unmatched \if
-% finally test whether undefined command gets set to \relax
+% including unmatched \if, empty csname and \par in arguments.
+
+% Also test whether undefined command gets set to \relax
 % or (from 2018 on) left undefined
 
 \START
 
-\wlog{test 1 \@ifundefined{\expandafter\@gobble\string\if}{Y}{N}}
-\wlog{test 2 \@ifundefined{\expandafter\string\csname def\endcsname}{Y}{N}}
-\wlog{test 3 \@ifundefined{\string\if}{Y}{N}}
-\wlog{test 4 \@ifundefined{hbox}{Y}{N}}
-\wlog{test 5 \@ifundefined{wibble}{Y}{N}}
-\wlog{test 6 \@ifundefined{wibble-2}{Y\par}{N\par}}
-\wlog{test 7 \@ifundefined{vbox}{Y\par}{N\par}}
-\wlog{test 8 \meaning\wibble}
+\wlog{test  1 \@ifundefined{\expandafter\@gobble\string\if}{Y}{N}}
+\wlog{test  2 \@ifundefined{\expandafter\string\csname def\endcsname}{Y}{N}}
+\wlog{test  3 \@ifundefined{\string\if}{Y}{N}}
+\wlog{test  4 \@ifundefined{hbox}{Y}{N}}
+\wlog{test  5 \@ifundefined{wibble}{Y}{N}}
+\wlog{test  6 \meaning\wibble}
+\wlog{test  7 \@ifundefined{wibble-2}{Y\par}{N\par}}
+\wlog{test  8 \@ifundefined{vbox}{Y\par}{N\par}}
+\wlog{test  9 \@ifundefined{}{Y}{N}}
+\expandafter\let\csname\endcsname X
+\wlog{test 10 \@ifundefined{}{Y}{N}}
+\expandafter\let\csname\endcsname \relax
+\wlog{test 11 \@ifundefined{}{Y}{N}}
+\wlog{test 12 \@ifundefined{relax}{Y}{N}}
 
 \END
diff --git a/base/testfiles/tlb-ifundefined.tlg b/base/testfiles/tlb-ifundefined.tlg
index 3414fd1..123b37d 100644
--- a/base/testfiles/tlb-ifundefined.tlg
+++ b/base/testfiles/tlb-ifundefined.tlg
@@ -5,6 +5,10 @@ test 2 Y
 test 3 Y
 test 4 N
 test 5 Y
-test 6 Y\par 
-test 7 N\par 
-test 8 undefined
+test 6 undefined
+test 7 Y\par 
+test 8 N\par 
+test 9 Y
+test 10 N
+test 11 Y
+test 12 Y