2011-12-08  Yao Qi  <yao@codesourcery.com>

	* gdb.trace/tstart.exp: New.
---
 gdb/testsuite/gdb.trace/tstart.exp |   88 ++++++++++++++++++++++++++++++++++++
 1 files changed, 88 insertions(+), 0 deletions(-)
 create mode 100644 gdb/testsuite/gdb.trace/tstart.exp

diff --git a/gdb/testsuite/gdb.trace/tstart.exp b/gdb/testsuite/gdb.trace/tstart.exp
new file mode 100644
index 0000000..2690dad
--- /dev/null
+++ b/gdb/testsuite/gdb.trace/tstart.exp
@@ -0,0 +1,88 @@
+# Copyright 2011 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/>.
+
+load_lib "trace-support.exp";
+
+set testfile "tstart"
+set executable $testfile
+set srcfile collection.c
+set binfile $objdir/$subdir/$testfile
+set expfile $testfile.exp
+
+
+if [prepare_for_testing $expfile $executable $srcfile \
+        {debug nowarnings}] {
+    untested "failed to prepare for trace tests"
+    return -1
+}
+
+# Verify that the sequence of commands "tstart tstop tstart" works well.
+
+proc test_tstart_tstop_tstart { } {
+    global executable
+    global pf_prefix
+    global hex
+
+    set old_pf_prefix $pf_prefix
+    set pf_prefix "$pf_prefix tstart_tstop_tstart:"
+
+    # Start with a fresh gdb.
+    clean_restart ${executable}
+    if ![runto_main] {
+        fail "Can't run to main"
+        set pf_prefix $old_pf_prefix
+        return -1
+    }
+
+    gdb_test "trace args_test_func" "Tracepoint \[0-9\] at $hex: file.*"
+    gdb_test_no_output "tstart"
+
+    gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
+    gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
+
+    gdb_test_no_output "tstop"
+
+    gdb_test_no_output "tstart"
+
+    set pf_prefix $old_pf_prefix
+}
+
+# Verify the sequence of commands "tstart tstart" works well.
+
+proc test_tstart_tstart { } {
+    global executable
+    global pf_prefix
+    global hex
+
+    set old_pf_prefix $pf_prefix
+    set pf_prefix "$pf_prefix tstart_tstart:"
+
+    # Start with a fresh gdb.
+    clean_restart ${executable}
+    if ![runto_main] {
+        fail "Can't run to main"
+        set pf_prefix $old_pf_prefix
+        return -1
+    }
+
+    gdb_test "trace args_test_func" "Tracepoint \[0-9\] at $hex: file.*"
+    gdb_test_no_output "tstart"
+
+    gdb_test "tstart" "" "tstart again" "A trace is running already.  Start a new run\\? \\(y or n\\) " "y"
+
+}
+
+test_tstart_tstop_tstart
+
+test_tstart_tstart
\ No newline at end of file
-- 
1.7.0.4