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/*
* 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
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