1 files changed, 56 insertions, 0 deletions
diff --git a/security/sandbox/linux/gtest/TestLogging.cpp b/security/sandbox/linux/gtest/TestLogging.cpp
new file mode 100644
index 0000000000..eb0c9b747e
--- /dev/null
+++ b/security/sandbox/linux/gtest/TestLogging.cpp
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+
+#include "SandboxLogging.h"
+
+#include <errno.h>
+
+namespace mozilla {
+
+TEST(SandboxLogging, ErrorName1)
+{
+  char buf[32];
+  ssize_t n = GetLibcErrorName(buf, sizeof(buf), EINVAL);
+  EXPECT_EQ(n, 6);
+  EXPECT_STREQ(buf, "EINVAL");
+}
+
+TEST(SandboxLogging, ErrorName2)
+{
+  char buf[32];
+  ssize_t n = GetLibcErrorName(buf, sizeof(buf), EIO);
+  EXPECT_EQ(n, 3);
+  EXPECT_STREQ(buf, "EIO");
+}
+
+TEST(SandboxLogging, ErrorName3)
+{
+  char buf[32];
+  ssize_t n = GetLibcErrorName(buf, sizeof(buf), ESTALE);
+  EXPECT_EQ(n, 6);
+  EXPECT_STREQ(buf, "ESTALE");
+}
+
+TEST(SandboxLogging, ErrorNameFail)
+{
+  char buf[32];
+  ssize_t n = GetLibcErrorName(buf, sizeof(buf), 4095);
+  EXPECT_EQ(n, 10);
+  EXPECT_STREQ(buf, "error 4095");
+}
+
+TEST(SandboxLogging, ErrorNameTrunc)
+{
+  char buf[] = "++++++++";
+  ssize_t n = GetLibcErrorName(buf, 3, EINVAL);
+  EXPECT_EQ(n, 6);
+  EXPECT_STREQ(buf, "EI");
+  EXPECT_STREQ(buf + 3, "+++++");
+}
+
+}  // namespace mozilla