[PATCH]testsuite: test for disconnected-tracing

[Hui Zhu <hui_zhu@mentor.com>]

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Hi,

There is a patch for testsuite for the issue in 
http://sourceware.org/ml/gdb-patches/2012-01/msg01006.html that is fixed 
now.

This is the testsuite for it.

It will do 2 times reconnect to GDB with disconnected-tracing and check 
the "info tracepoints".

Please help me review it.

Thanks,
Hui

2012-03-27  Hui Zhu  <hui_zhu@mentor.com>

	* gdb.trace/Makefile.in (BUILD_DATA_DIRECTORY): Add
	disconnected-tracing.
	* gdb.trace/disconnected-tracing.c: New file.
	* gdb.trace/disconnected-tracing.exp: New file.


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---
 testsuite/gdb.trace/Makefile.in              |    2 
 testsuite/gdb.trace/disconnected-tracing.c   |    5 ++
 testsuite/gdb.trace/disconnected-tracing.exp |   58 +++++++++++++++++++++++++++
 3 files changed, 64 insertions(+), 1 deletion(-)

--- a/testsuite/gdb.trace/Makefile.in
+++ b/testsuite/gdb.trace/Makefile.in
@@ -5,7 +5,7 @@ srcdir = @srcdir@
 
 PROGS = ax backtrace deltrace infotrace packetlen passc-dyn passcount \
 	report save-trace tfile tfind tracecmd tsv unavailable while-dyn \
-	while-stepping
+	while-stepping disconnected-tracing
 
 all info install-info dvi install uninstall installcheck check:
 	@echo "Nothing to be done for $@..."
--- /dev/null
+++ b/testsuite/gdb.trace/disconnected-tracing.c
@@ -0,0 +1,5 @@
+int
+main()
+{
+  return 0;
+}
\ No newline at end of file
--- /dev/null
+++ b/testsuite/gdb.trace/disconnected-tracing.exp
@@ -0,0 +1,58 @@
+#   Copyright 2012 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/>.
+
+# Test of disconnected-tracing.
+
+load_lib "trace-support.exp";
+
+set testfile "disconnected-tracing"
+set executable $testfile
+set srcfile ${testfile}.c
+set binfile $objdir/$subdir/$testfile
+set expfile $testfile.exp
+set gdbserver_reconnect_p 1
+
+if [prepare_for_testing $expfile $executable $srcfile \
+        {debug nowarnings}] {
+    untested "failed to prepare for trace tests"
+    return -1
+}
+
+if ![runto_main] {
+    fail "Can't run to main to check for trace support"
+    return -1
+}
+
+if ![gdb_target_supports_trace] {
+    unsupported "target does not support trace"
+    return -1;
+}
+
+gdb_test "set confirm off" ".*"
+
+gdb_test "trace main" ".*"
+
+gdb_test "tstart" ".*"
+
+gdb_test "info tracepoints" ".*in main at.*" "First info tracepoints"
+gdb_test "disconnect" ".*"
+
+gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
+gdb_test "info tracepoints" ".*in main at.*" "Second info tracepoints"
+gdb_test "disconnect" ".*"
+
+gdb_test "delete" ".*"
+gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
+gdb_test "info tracepoints" ".*in main at.*" "Third info tracepoints"