[gnumeric] tests: improve roundtrip test diagnostics.

[Morten Welinder <mortenw src gnome org>]

commit 9a3dbb051431ebda1b42172609d6d801890e6f90
Author: Morten Welinder <terra gnome org>
Date:   Mon Sep 8 11:29:07 2014 -0400

    tests: improve roundtrip test diagnostics.

 NEWS                 |    1 +
 test/ChangeLog       |    5 +++++
 test/GnumericTest.pm |    3 +++
 3 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index e528a5b..d3e834b 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,7 @@ Morten:
        * Fix xls export problem.  [#733771]
        * Update WEEKDAY function.
        * Fix xlsx export problem for strings.  [#736202]
+       * Text suite improvements.
 
 --------------------------------------------------------------------------
 Gnumeric 1.12.17
diff --git a/test/ChangeLog b/test/ChangeLog
index bf2729b..6a758e8 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-08  Morten Welinder  <terra gnome org>
+
+       * GnumericTest.pm (test_roundtrip): Catch when ssconvert fails to
+       produce a file we expect.
+
 2014-06-09  Morten Welinder <terra gnome org>
 
        * Release 1.12.17
diff --git a/test/GnumericTest.pm b/test/GnumericTest.pm
index cf0d7e7..e43d442 100644
--- a/test/GnumericTest.pm
+++ b/test/GnumericTest.pm
@@ -404,6 +404,7 @@ sub test_roundtrip {
        print STDERR "# $cmd\n" if $verbose;
        $code = system ("$cmd 2>&1 | sed -e 's/^/| /'");
        &system_failure ($ssconvert, $code) if $code;
+       die "Failed to produce $file_resized\n" unless -r $file_resized;
        &junkfile ($file_resized) unless $keep;
     }
     
@@ -415,6 +416,7 @@ sub test_roundtrip {
        print "# $cmd\n" if $verbose;
        my $code = system ("$cmd 2>&1 | sed -e 's/^/| /'");
        &system_failure ($ssconvert, $code) if $code;
+       die "Failed to produce $tmp1\n" unless -r $tmp1;
     }
 
     my $tmp2 = "$tmp-new.$ext";
@@ -425,6 +427,7 @@ sub test_roundtrip {
        print "# $cmd\n" if $verbose;
        my $code = system ("$cmd 2>&1 | sed -e 's/^/| /'");
        &system_failure ($ssconvert, $code) if $code;
+       die "Failed to produce $tmp2\n" unless -r $tmp2;
     }
 
     my $tmp_xml = "$tmp.xml";