[RFAv2,2/3] New test for 'info sources [-dirname | -basename] [--] [REGEXP]'.

diff --git a/gdb/testsuite/gdb.base/info_sources.c b/gdb/testsuite/gdb.base/info_sources.c
new file mode 100644
index 0000000000..75fab6df70
--- /dev/null
+++ b/gdb/testsuite/gdb.base/info_sources.c
@@ -0,0 +1,23 @@ 
+/* This testcase is part of GDB, the GNU debugger.
+
+   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/>.  */
+
+extern void some_other_func (void);
+int main ()
+{
+  some_other_func ();
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.base/info_sources.exp b/gdb/testsuite/gdb.base/info_sources.exp
new file mode 100644
index 0000000000..76d9b7373b
--- /dev/null
+++ b/gdb/testsuite/gdb.base/info_sources.exp
@@ -0,0 +1,89 @@ 
+# 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/>.
+
+# Test 'info sources [-d | -b] [--] [REGEẌ]'
+
+standard_testfile .c info_sources_base.c
+
+if {[prepare_for_testing $testfile.exp $testfile \
+	 [list $srcfile $srcfile2] debug]} {
+    untested $testfile.exp
+    return -1
+}
+
+# Executes "info sources " $args.
+# EXPECT_SEEN_INFO_SOURCES 1 indicates that the source file info_sources.c must be seen
+# in the output.  Similarly, EXPECT_SEEN_INFO_SOURCES_BASE indicates that the source file
+# info_sources_base.c must be seen in the output.
+proc test_info_sources {args expect_seen_info_sources expect_seen_info_sources_base} {
+    global gdb_prompt
+
+    set seen_info_sources 0
+    set seen_info_sources_base 0
+    set cmd [concat "info sources " $args]
+    gdb_test_multiple $cmd $cmd {
+	-re "^\[^,\]*info_sources.c(, |\[\r\n\]+)" {
+	    set seen_info_sources 1
+	    exp_continue
+	}
+	-re "^\[^,\]*info_sources_base.c(, |\[\r\n\]+)" {
+	    set seen_info_sources_base 1
+	    exp_continue
+	}
+	-re ", " {
+	    exp_continue
+	}
+	-re "$gdb_prompt $" {
+	    if {$seen_info_sources == $expect_seen_info_sources \
+		    && $seen_info_sources_base == $expect_seen_info_sources_base} {
+		pass $cmd
+	    } else {
+		fail $cmd
+	    }
+	}
+    }
+}
+
+if ![runto_main] {
+    untested $testfile.exp
+    return -1
+}
+gdb_test "break some_other_func" ""
+
+gdb_test "continue"
+
+# List both files with no regexp:
+test_info_sources "" 1 1
+# Same but with option terminator:
+test_info_sources "--" 1 1
+
+# List both files with regexp matching anywhere in the filenames:
+test_info_sources "info_sources" 1 1
+test_info_sources "gdb.base" 1 1
+
+# List both files with regexp matching the filename basenames:
+test_info_sources "-b info_sources" 1 1
+test_info_sources "-b -- info_sources" 1 1
+
+# List only the file with basename matching regexp:
+test_info_sources "-b base" 0 1
+
+# List the files with dirname matching regexp:
+test_info_sources "-d base" 1 1
+
+# Test non matching regexp, with option terminator:
+test_info_sources "-b -- -d" 0 0
+test_info_sources "-d -- -d" 0 0
+
diff --git a/gdb/testsuite/gdb.base/info_sources_base.c b/gdb/testsuite/gdb.base/info_sources_base.c
new file mode 100644
index 0000000000..a4c03a0341
--- /dev/null
+++ b/gdb/testsuite/gdb.base/info_sources_base.c
@@ -0,0 +1,5 @@ 
+void some_other_func (void)
+{
+  return;
+}
+