Windows sbox: Warmup locales before sandbox lockdown (and tests)

sandbox/win/src/lpc_policy_test.cc

Index: sandbox/win/src/lpc_policy_test.cc
diff --git a/sandbox/win/src/lpc_policy_test.cc b/sandbox/win/src/lpc_policy_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3e78096dbe48e091e22564d08c11f4acfc3f62fa
--- /dev/null
+++ b/sandbox/win/src/lpc_policy_test.cc
@@ -0,0 +1,62 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// These tests have been added to specifically tests issues arising from (A)LPC
+// lock down.
+
+#include <algorithm>
+#include <cctype>
+
+#include <windows.h>
+#include <winioctl.h>
+
+#include "sandbox/win/src/sandbox.h"
+#include "sandbox/win/src/sandbox_factory.h"
+#include "sandbox/win/src/sandbox_policy.h"
+#include "sandbox/win/tests/common/controller.h"
+#include "sandbox/win/tests/common/test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace sandbox {
+
+SBOX_TESTS_COMMAND int Lpc_GetUserDefaultLangID(int argc, wchar_t **argv) {
+  ::GetUserDefaultLangID();

[Will Harris, 2015/09/03 20:58:03]

is there a way of verifying the return value here is valid? Or does this just
crash if the sandbox is not correctly warmed up?

Perhaps you could call GetUserDefaultLangID from the broker then pass this as a
parameter to the target and verify they are equal?

+  return SBOX_TEST_SUCCEEDED;
+}
+
+TEST(LpcPolicyTest, GetUserDefaultLangID) {
+  TestRunner runner;
+  EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"Lpc_GetUserDefaultLangID"));
+}
+
+SBOX_TESTS_COMMAND int Lpc_GetUserDefaultLCID(int argc, wchar_t **argv) {
+  ::GetUserDefaultLCID();
+  return SBOX_TEST_SUCCEEDED;
+}
+
+TEST(LpcPolicyTest, GetUserDefaultLCID) {
+  TestRunner runner;
+  EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"Lpc_GetUserDefaultLCID"));
+}
+
+SBOX_TESTS_COMMAND int Lpc_GetUserDefaultLocaleName(int argc, wchar_t **argv) {
+  wchar_t localeName[LOCALE_NAME_MAX_LENGTH] = { 0 };
+  int ret = ::GetUserDefaultLocaleName(
+      localeName, LOCALE_NAME_MAX_LENGTH * sizeof(wchar_t));
+  if (!ret) {
+    return SBOX_TEST_FAILED;
+  }
+  if (!wcsnlen(localeName, LOCALE_NAME_MAX_LENGTH)) {
+    return SBOX_TEST_FAILED;
+  }
+  return SBOX_TEST_SUCCEEDED;
+}
+
+TEST(LpcPolicyTest, GetUserDefaultLocaleName) {
+  TestRunner runner;
+  EXPECT_EQ(SBOX_TEST_SUCCEEDED,
+            runner.RunTest(L"Lpc_GetUserDefaultLocaleName"));
+}
+
+}  // namespace sandbox