1 files changed, 129 insertions, 0 deletions
diff --git a/libartbase/base/utils_test.cc b/libartbase/base/utils_test.cc
new file mode 100644
index 0000000000..892d1fd5bf
--- /dev/null
+++ b/libartbase/base/utils_test.cc
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "utils.h"
+
+#include "gtest/gtest.h"
+
+namespace art {
+
+class UtilsTest : public testing::Test {};
+
+TEST_F(UtilsTest, PrettySize) {
+  EXPECT_EQ("1GB", PrettySize(1 * GB));
+  EXPECT_EQ("2GB", PrettySize(2 * GB));
+  if (sizeof(size_t) > sizeof(uint32_t)) {
+    EXPECT_EQ("100GB", PrettySize(100 * GB));
+  }
+  EXPECT_EQ("1024KB", PrettySize(1 * MB));
+  EXPECT_EQ("10MB", PrettySize(10 * MB));
+  EXPECT_EQ("100MB", PrettySize(100 * MB));
+  EXPECT_EQ("1024B", PrettySize(1 * KB));
+  EXPECT_EQ("10KB", PrettySize(10 * KB));
+  EXPECT_EQ("100KB", PrettySize(100 * KB));
+  EXPECT_EQ("0B", PrettySize(0));
+  EXPECT_EQ("1B", PrettySize(1));
+  EXPECT_EQ("10B", PrettySize(10));
+  EXPECT_EQ("100B", PrettySize(100));
+  EXPECT_EQ("512B", PrettySize(512));
+}
+
+TEST_F(UtilsTest, Split) {
+  std::vector<std::string> actual;
+  std::vector<std::string> expected;
+
+  expected.clear();
+
+  actual.clear();
+  Split("", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split(":", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  expected.clear();
+  expected.push_back("foo");
+
+  actual.clear();
+  Split(":foo", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split("foo:", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split(":foo:", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  expected.push_back("bar");
+
+  actual.clear();
+  Split("foo:bar", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split(":foo:bar", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split("foo:bar:", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split(":foo:bar:", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  expected.push_back("baz");
+
+  actual.clear();
+  Split("foo:bar:baz", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split(":foo:bar:baz", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split("foo:bar:baz:", ':', &actual);
+  EXPECT_EQ(expected, actual);
+
+  actual.clear();
+  Split(":foo:bar:baz:", ':', &actual);
+  EXPECT_EQ(expected, actual);
+}
+
+TEST_F(UtilsTest, ArrayCount) {
+  int i[64];
+  EXPECT_EQ(ArrayCount(i), 64u);
+  char c[7];
+  EXPECT_EQ(ArrayCount(c), 7u);
+}
+
+TEST_F(UtilsTest, BoundsCheckedCast) {
+  char buffer[64];
+  const char* buffer_end = buffer + ArrayCount(buffer);
+  EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(nullptr, buffer, buffer_end), nullptr);
+  EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer, buffer, buffer_end),
+            reinterpret_cast<const uint64_t*>(buffer));
+  EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer + 56, buffer, buffer_end),
+            reinterpret_cast<const uint64_t*>(buffer + 56));
+  EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer - 1, buffer, buffer_end), nullptr);
+  EXPECT_EQ(BoundsCheckedCast<const uint64_t*>(buffer + 57, buffer, buffer_end), nullptr);
+}
+
+}  // namespace art