src/common/hash_utils_unittest.cpp

//
// Copyright 2018 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// hash_utils_unittest: Hashing helper functions tests.

#include <gtest/gtest.h>

#include "common/hash_utils.h"
#include "common/span.h"

using namespace angle;

namespace
{
// Basic functionality test.
TEST(HashUtilsTest, ComputeGenericHash)
{
    std::string a = "aSimpleString!!!";
    std::string b = "anotherString???";

    // Requires a string size aligned to 4 bytes.
    ASSERT_TRUE(a.size() % 4 == 0);
    ASSERT_TRUE(b.size() % 4 == 0);

    size_t aHash = ComputeGenericHash(angle::as_byte_span(a));
    size_t bHash = ComputeGenericHash(angle::as_byte_span(b));

    EXPECT_NE(aHash, bHash);
}
}  // anonymous namespace