[gdb/testsuite] Add gdb.testsuite/gdb-caching-proc.exp

Add test-case gdb.testsuite/gdb-caching-proc.exp that excercises
gdb_caching_proc.

Tested on x86_64-linux.

Reviewed-By: Tom Tromey <tom@tromey.com>

diff --git a/gdb/testsuite/gdb.testsuite/gdb-caching-proc.exp b/gdb/testsuite/gdb.testsuite/gdb-caching-proc.exp
new file mode 100644 (file)
index 0000000..de35c04
--- /dev/null
+++ b/gdb/testsuite/gdb.testsuite/gdb-caching-proc.exp
@@ -0,0 +1,38 @@
+# Copyright 2023 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/>.
+
+gdb_caching_proc gdb_testsuite_gdb_caching_proc_exp_noarg {
+    incr ::count
+    return 1
+}
+
+set assertions {
+    { [gdb_testsuite_gdb_caching_proc_exp_noarg] == 1 }
+}
+
+set assertion_nr 0
+foreach assertion $assertions {
+    with_test_prefix $assertion_nr {
+       set ::count 0
+
+       gdb_assert $assertion
+       gdb_assert { $::count == 1 }
+
+       with_test_prefix cached {
+           gdb_assert $assertion
+           gdb_assert { $::count == 1 }
+       }
+    }
+    incr assertion_nr
+}