1 files changed, 117 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/gdbvars.exp b/gdb/testsuite/gdb.base/gdbvars.exp
new file mode 100644
index 00000000000..2ab37e0222f
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+++ b/gdb/testsuite/gdb.base/gdbvars.exp
@@ -0,0 +1,117 @@
+# Copyright (C) 1992, 1997 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 2 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file was written by Fred Fish. (fnf@cygnus.com)
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+proc test_convenience_variables {} {
+    global gdb_prompt
+
+    gdb_test "set \$foo = 101"	"" \
+	"Set a new convenience variable"
+
+    gdb_test "print \$foo"		" = 101" \
+	"Print contents of new convenience variable"
+
+    gdb_test "set \$foo = 301"	"" \
+	"Set convenience variable to a new value"
+
+    gdb_test "print \$foo"		" = 301" \
+	"Print new contents of convenience variable"
+
+    gdb_test "set \$_ = 11"		"" \
+	"Set convenience variable \$_"
+
+    gdb_test "print \$_"		" = 11" \
+	"Print contents of convenience variable \$_"
+
+    gdb_test "print \$foo + 10"	" = 311" \
+	"Use convenience variable in arithmetic expression"
+
+    gdb_test "print (\$foo = 32) + 4"	" = 36" \
+	"Use convenience variable assignment in arithmetic expression"
+
+    gdb_test "print \$bar"		" = void" \
+	"Print contents of uninitialized convenience variable"
+}
+
+proc test_value_history {} {
+    global gdb_prompt
+
+    gdb_test "print 101"	"\\\$1 = 101" \
+	"Set value-history\[1\] using \$1"
+
+    gdb_test "print 102" 	"\\\$2 = 102" \
+	"Set value-history\[2\] using \$2"
+
+    gdb_test "print 103"	"\\\$3 = 103" \
+	"Set value-history\[3\] using \$3"
+
+    gdb_test "print \$\$"	"\\\$4 = 102" \
+	"Print value-history\[MAX-1\] using inplicit index \$\$"
+
+    gdb_test "print \$\$"	"\\\$5 = 103" \
+	"Print value-history\[MAX-1\] again using implicit index \$\$"
+
+    gdb_test "print \$"	"\\\$6 = 103" \
+	"Print value-history\[MAX\] using implicit index \$"
+
+    gdb_test "print \$\$2"	"\\\$7 = 102" \
+	"Print value-history\[MAX-2\] using explicit index \$\$2"
+
+    gdb_test "print \$0"	"\\\$8 = 102" \
+	"Print value-history\[MAX\] using explicit index \$0"
+
+    gdb_test "print 108"	"\\\$9 = 108" ""
+
+    gdb_test "print \$\$0"	"\\\$10 = 108" \
+	"Print value-history\[MAX\] using explicit index \$\$0"
+
+    gdb_test "print \$1"	"\\\$11 = 101" \
+	"Print value-history\[1\] using explicit index \$1"
+
+    gdb_test "print \$2"	"\\\$12 = 102" \
+	"Print value-history\[2\] using explicit index \$2"
+
+    gdb_test "print \$3"	"\\\$13 = 103" \
+	"Print value-history\[3\] using explicit index \$3"
+
+    gdb_test "print \$-3"	"\\\$14 = 100" \
+	"Print (value-history\[MAX\] - 3) using implicit index \$"
+
+    gdb_test "print \$1 + 3"	"\\\$15 = 104" \
+	"Use value-history element in arithmetic expression"
+}
+
+# Start with a fresh gdb.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+
+send_gdb "set print sevenbit-strings\n" ; gdb_expect -re ".*$gdb_prompt $"
+
+test_value_history
+test_convenience_variables