1 files changed, 45 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.rust/union.exp b/gdb/testsuite/gdb.rust/union.exp
new file mode 100644
index 0000000..c7864a2
--- /dev/null
+++ b/gdb/testsuite/gdb.rust/union.exp
@@ -0,0 +1,45 @@
+# Copyright (C) 2020 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 "union" for Rust.
+
+load_lib rust-support.exp
+if {[skip_rust_tests]} {
+    continue
+}
+
+standard_testfile .rs
+if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug rust}]} {
+    return -1
+}
+
+set line [gdb_get_line_number "set breakpoint here"]
+if {![runto ${srcfile}:$line]} {
+    untested "could not run to breakpoint"
+    return -1
+}
+
+gdb_test "print u" " = union::Union {f1: -1, f2: 255}"
+
+gdb_test_sequence "ptype/o Union" "" {
+    "/\\* offset    |  size \\*/  type = union union::Union {"
+    "/\\*                 1 \\*/    f1: i8,"
+    "/\\*                 1 \\*/    f2: u8,"
+    ""
+    "                           /\\* total size \\(bytes\\):    1 \\*/"
+    "                         }"
+}
+
+gdb_test "print u2" " = union::Union2 {name: \\\[1\\\]}"