1 files changed, 82 insertions, 0 deletions
diff --git a/chromium/base/i18n/icu_util_unittest.cc b/chromium/base/i18n/icu_util_unittest.cc
new file mode 100644
index 00000000000..75b6c4aab2e
--- /dev/null
+++ b/chromium/base/i18n/icu_util_unittest.cc
@@ -0,0 +1,82 @@
+// Copyright (c) 2019 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.
+
+#include "base/i18n/icu_util.h"
+
+#include "build/build_config.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#if !defined(OS_NACL)
+#if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
+
+namespace base {
+namespace i18n {
+
+class IcuUtilTest : public testing::Test {
+ protected:
+  void SetUp() override { ResetGlobalsForTesting(); }
+};
+
+#if defined(OS_ANDROID)
+
+TEST_F(IcuUtilTest, InitializeIcuSucceeds) {
+  bool success = InitializeICU();
+
+  ASSERT_TRUE(success);
+}
+
+TEST_F(IcuUtilTest, ExtraFileNotInitializedAtStart) {
+  MemoryMappedFile::Region region;
+  PlatformFile file = GetIcuExtraDataFileHandle(&region);
+
+  ASSERT_EQ(file, kInvalidPlatformFile);
+}
+
+TEST_F(IcuUtilTest, InitializeExtraIcuSucceeds) {
+  bool success = InitializeExtraICU();
+
+  ASSERT_TRUE(success);
+}
+
+TEST_F(IcuUtilTest, CannotInitializeExtraIcuAfterIcu) {
+  InitializeICU();
+  bool success = InitializeExtraICU();
+
+  ASSERT_FALSE(success);
+}
+
+TEST_F(IcuUtilTest, ExtraFileInitializedAfterInit) {
+  InitializeExtraICU();
+  MemoryMappedFile::Region region;
+  PlatformFile file = GetIcuExtraDataFileHandle(&region);
+
+  ASSERT_NE(file, kInvalidPlatformFile);
+}
+
+TEST_F(IcuUtilTest, InitializeExtraIcuFromFdSucceeds) {
+  InitializeExtraICU();
+  MemoryMappedFile::Region region;
+  PlatformFile pf = GetIcuExtraDataFileHandle(&region);
+  bool success = InitializeExtraICUWithFileDescriptor(pf, region);
+
+  ASSERT_TRUE(success);
+}
+
+TEST_F(IcuUtilTest, CannotInitializeExtraIcuFromFdAfterIcu) {
+  InitializeExtraICU();
+  InitializeICU();
+  MemoryMappedFile::Region region;
+  PlatformFile pf = GetIcuExtraDataFileHandle(&region);
+  bool success = InitializeExtraICUWithFileDescriptor(pf, region);
+
+  ASSERT_FALSE(success);
+}
+
+#endif  // defined(OS_ANDROID)
+
+}  // namespace i18n
+}  // namespace base
+
+#endif  // ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
+#endif  // !defined(OS_NACL)