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- /*
- * Copyright (c) 2020, the SerenityOS developers.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include <AK/TestSuite.h>
- #include <AK/HashFunctions.h>
- #include <AK/Types.h>
- TEST_CASE(int_hash)
- {
- EXPECT_EQ(int_hash(42), 3564735745u);
- EXPECT_EQ(int_hash(0), 1177991625u);
- }
- TEST_CASE(double_hash)
- {
- EXPECT_EQ(double_hash(42), 524450u);
- EXPECT_EQ(double_hash(0), 12384u);
- }
- TEST_CASE(pair_int_hash)
- {
- EXPECT_EQ(pair_int_hash(42, 17), 339337046u);
- EXPECT_EQ(pair_int_hash(0, 0), 954888656u);
- }
- TEST_CASE(u64_hash)
- {
- EXPECT_EQ(u64_hash(42), 2824066580u);
- EXPECT_EQ(u64_hash(0), 954888656u);
- }
- TEST_CASE(ptr_hash)
- {
- if constexpr (sizeof(FlatPtr) == 8) {
- EXPECT_EQ(ptr_hash(FlatPtr(42)), 2824066580u);
- EXPECT_EQ(ptr_hash(FlatPtr(0)), 954888656u);
- EXPECT_EQ(ptr_hash(reinterpret_cast<const void*>(42)), 2824066580u);
- EXPECT_EQ(ptr_hash(reinterpret_cast<const void*>(0)), 954888656u);
- } else {
- EXPECT_EQ(ptr_hash(FlatPtr(42)), 3564735745u);
- EXPECT_EQ(ptr_hash(FlatPtr(0)), 1177991625u);
- EXPECT_EQ(ptr_hash(reinterpret_cast<const void*>(42)), 3564735745u);
- EXPECT_EQ(ptr_hash(reinterpret_cast<const void*>(0)), 1177991625u);
- }
- }
- TEST_MAIN(HashFunctions)
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