Add tests for passing of environment variables to inferior.

	* gdb.base/testenv.c: New test source.
	* gdb.base/testenv.exp: New expect test.

1 files changed, 121 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/testenv.exp b/gdb/testsuite/gdb.base/testenv.exp
new file mode 100644
index 0000000..ad39f14
--- /dev/null
+++ b/gdb/testsuite/gdb.base/testenv.exp
@@ -0,0 +1,121 @@
+# 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/>.
+
+# This file was written by Pierre Muller <muller@ics.u-strasbg.fr>
+#
+# Check if environment variables are correctly passed to inferiors
+#
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+
+set testfile "testenv"
+set srcfile ${testfile}.c
+set binfile ${testfile}
+
+# Compile binary
+# and start with a fresh gdb
+
+if { [prepare_for_testing ${testfile}.exp ${binfile} ${srcfile}] } {
+     return -1
+}
+
+# make sure $pc is sane, in case we're talking to a board.
+if { ![runto_main] } {
+    gdb_suppress_tests;
+}
+
+set bp_line [gdb_get_line_number "set breakpoint here"]
+gdb_breakpoint  $bp_line
+
+#
+# Test gdb set/unset environment commands.
+# Executable lists and counts all environment variables
+# starting with TEST_GDB.
+
+
+# First test with no TEST_GDB_VAR
+gdb_test "continue" \
+  ".*Program found 0 variables starting with TEST_GDB.*" \
+  "Test no TEST_GDB var"
+
+gdb_test_no_output "set env TEST_GDB_VAR1 test1" \
+  "Set TEST_GDB_VAR1"
+
+runto_main
+gdb_breakpoint  $bp_line
+
+# Second test with one TEST_GDB_VAR
+gdb_test "continue" \
+  ".*Program found 1 variables starting with TEST_GDB.*" \
+  "Test with one TEST_GDB var"
+
+gdb_test_no_output "set env TEST_GDB_VAR2 test2" \
+  "Set TEST_GDB_VAR2"
+
+runto_main
+gdb_breakpoint  $bp_line
+
+# Third test with two TEST_GDB_VAR
+gdb_test "continue"  \
+  ".*Program found 2 variables starting with TEST_GDB.*" \
+  "Test with two TEST_GDB var"
+
+gdb_test_no_output "unset env TEST_GDB_VAR1" \
+  "Unset TEST_GDB_VAR1"
+
+runto_main
+gdb_breakpoint  $bp_line
+
+# Fourth test with one TEST_GDB_VAR left, after one was removed
+# with unset command.
+gdb_test "continue"  \
+  ".*Program found 1 variables starting with TEST_GDB.*" \
+  "Test with one TEST_GDB var, after unset"
+
+gdb_exit
+
+set env(TEST_GDB_GLOBAL) "Global environment value"
+
+clean_restart $binfile
+
+# make sure $pc is sane, in case we're talking to a board.
+if { ![runto_main] } {
+    gdb_suppress_tests;
+}
+
+set bp_line [gdb_get_line_number "set breakpoint here"]
+gdb_breakpoint  $bp_line
+
+gdb_test "show env" ".*TEST_GDB_GLOBAL=.*" "Test passing TEST_GDB_GLOBAL to GDB"
+# First test with only inherited TEST_GDB_GLOBAL
+gdb_test "continue" \
+  ".*TEST_GDB_GLOBAL=Global environment value.*Program found 1 variables starting with TEST_GDB.*" \
+  "Test with TEST_GDB_GLOBAL"
+
+gdb_test_no_output "unset env TEST_GDB_GLOBAL" \
+  "Unset TEST_GDB_GLOBAL"
+
+runto_main
+gdb_breakpoint  $bp_line
+
+# Second test with one TEST_GDB_VAR
+gdb_test "continue" \
+  ".*Program found 0 variables starting with TEST_GDB.*" \
+  "Test with TEST_GDB_GLOBAL unset"
+
+gdb_exit