mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-12-08 06:09:58 +00:00
1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/TestSuite.h>
|
|
|
|
#include <AK/HashFunctions.h>
|
|
#include <AK/Types.h>
|
|
|
|
TEST_CASE(int_hash)
|
|
{
|
|
static_assert(int_hash(42) == 3564735745u);
|
|
static_assert(int_hash(0) == 1177991625u);
|
|
}
|
|
|
|
TEST_CASE(double_hash)
|
|
{
|
|
static_assert(double_hash(42) == 524450u);
|
|
static_assert(double_hash(0) == 12384u);
|
|
}
|
|
|
|
TEST_CASE(pair_int_hash)
|
|
{
|
|
static_assert(pair_int_hash(42, 17) == 339337046u);
|
|
static_assert(pair_int_hash(0, 0) == 954888656u);
|
|
}
|
|
|
|
TEST_CASE(u64_hash)
|
|
{
|
|
static_assert(u64_hash(42) == 2824066580u);
|
|
static_assert(u64_hash(0) == 954888656u);
|
|
}
|
|
|
|
TEST_CASE(ptr_hash)
|
|
{
|
|
// These tests are not static_asserts because the values are
|
|
// different and the goal is to bind the behavior.
|
|
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_CASE(constexpr_ptr_hash)
|
|
{
|
|
// This test does not check the result because the goal is just to
|
|
// ensure the function can be executed in a constexpr context. The
|
|
// "ptr_hash" test binds the result.
|
|
static_assert(ptr_hash(FlatPtr(42)));
|
|
}
|
|
|
|
TEST_MAIN(HashFunctions)
|