Add TUI register window test

This adds a very simple test of the TUI register window.

gdb/testsuite/ChangeLog
2019-07-27  Tom Tromey  <tom@tromey.com>

	* gdb.tui/regs.exp: New file.

2 files changed, 52 insertions, 0 deletions

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 17150d3..3b3c1f5 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,9 @@
 2019-07-27  Tom Tromey  <tom@tromey.com>
 
+	* gdb.tui/regs.exp: New file.
+
+2019-07-27  Tom Tromey  <tom@tromey.com>
+
 	* gdb.tui/basic.exp: Add "layout split" test.
 
 2019-07-27  Tom Tromey  <tom@tromey.com>
diff --git a/gdb/testsuite/gdb.tui/regs.exp b/gdb/testsuite/gdb.tui/regs.exp
new file mode 100644
index 0000000..f17b1db
--- /dev/null
+++ b/gdb/testsuite/gdb.tui/regs.exp
@@ -0,0 +1,48 @@
+# Copyright 2019 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Simple test of TUI register window.
+
+load_lib "tuiterm.exp"
+
+standard_testfile tui-layout.c
+
+if {[build_executable "failed to prepare" ${testfile} ${srcfile}] == -1} {
+    return -1
+}
+
+Term::clean_restart 24 80 $testfile
+
+if {![runto_main]} {
+    perror "test suppressed"
+    return
+}
+
+if {![Term::enter_tui]} {
+    unsupported "TUI not supported"
+}
+
+Term::check_contents "source at startup" ">|21 *return 0"
+
+Term::command "layout regs"
+Term::check_box "register box" 0 0 80 8
+# This check fails because the file name in the title overwrites the
+# box.
+setup_xfail *-*-*
+Term::check_box "source box in regs layout" 0 7 80 8
+
+set text [Term::get_line 1]
+# Just check for any register window content at all.
+Term::check_contents "any register contents" "^|.*\[^ \].*|$"