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/*
* Copyright 2024 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 <ftl/hash.h>
#include <gtest/gtest.h>
#include <numeric>
#include <string>
namespace android::test {
TEST(Hash, StableHash) {
EXPECT_EQ(11160318154034397263ull, (ftl::stable_hash({})));
std::string string(64, '?');
std::iota(string.begin(), string.end(), 'A');
// Maximum length is 64 characters.
EXPECT_FALSE(ftl::stable_hash(string + '\n'));
EXPECT_EQ(6278090252846864564ull, ftl::stable_hash(std::string_view(string).substr(0, 8)));
EXPECT_EQ(1883356980931444616ull, ftl::stable_hash(std::string_view(string).substr(0, 16)));
EXPECT_EQ(8073093283835059304ull, ftl::stable_hash(std::string_view(string).substr(0, 32)));
EXPECT_EQ(18197365392429149980ull, ftl::stable_hash(string));
}
} // namespace android::test
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