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// Copyright 2022 The Dawn & Tint Authors
//
// 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.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// 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 <map>
#include <string>
#include <utility>
#include <vector>
#include "dawn/native/ObjectContentHasher.h"
#include "dawn/tests/DawnNativeTest.h"
namespace dawn::native {
namespace {
class ObjectContentHasherTests : public DawnNativeTest {};
#define EXPECT_IF_HASH_EQ(eq, a, b) \
do { \
ObjectContentHasher ra, rb; \
ra.Record(a); \
rb.Record(b); \
EXPECT_EQ(eq, ra.GetContentHash() == rb.GetContentHash()); \
} while (0)
TEST(ObjectContentHasherTests, Pair) {
EXPECT_IF_HASH_EQ(true, (std::pair<std::string, uint8_t>{"a", 1}),
(std::pair<std::string, uint8_t>{"a", 1}));
EXPECT_IF_HASH_EQ(false, (std::pair<uint8_t, std::string>{1, "a"}),
(std::pair<std::string, uint8_t>{"a", 1}));
EXPECT_IF_HASH_EQ(false, (std::pair<std::string, uint8_t>{"a", 1}),
(std::pair<std::string, uint8_t>{"a", 2}));
EXPECT_IF_HASH_EQ(false, (std::pair<std::string, uint8_t>{"a", 1}),
(std::pair<std::string, uint8_t>{"b", 1}));
}
TEST(ObjectContentHasherTests, Vector) {
EXPECT_IF_HASH_EQ(true, (std::vector<uint8_t>{0, 1}), (std::vector<uint8_t>{0, 1}));
EXPECT_IF_HASH_EQ(false, (std::vector<uint8_t>{0, 1}), (std::vector<uint8_t>{0, 1, 2}));
EXPECT_IF_HASH_EQ(false, (std::vector<uint8_t>{0, 1}), (std::vector<uint8_t>{1, 0}));
EXPECT_IF_HASH_EQ(false, (std::vector<uint8_t>{0, 1}), (std::vector<uint8_t>{}));
EXPECT_IF_HASH_EQ(false, (std::vector<uint8_t>{0, 1}), (std::vector<float>{0, 1}));
}
TEST(ObjectContentHasherTests, Map) {
EXPECT_IF_HASH_EQ(true, (std::map<std::string, uint8_t>{{"a", 1}, {"b", 2}}),
(std::map<std::string, uint8_t>{{"b", 2}, {"a", 1}}));
EXPECT_IF_HASH_EQ(false, (std::map<std::string, uint8_t>{{"a", 1}, {"b", 2}}),
(std::map<std::string, uint8_t>{{"a", 2}, {"b", 1}}));
EXPECT_IF_HASH_EQ(false, (std::map<std::string, uint8_t>{{"a", 1}, {"b", 2}}),
(std::map<std::string, uint8_t>{{"a", 1}, {"b", 2}, {"c", 1}}));
EXPECT_IF_HASH_EQ(false, (std::map<std::string, uint8_t>{{"a", 1}, {"b", 2}}),
(std::map<std::string, uint8_t>{}));
}
TEST(ObjectContentHasherTests, HashCombine) {
ObjectContentHasher ra, rb;
ra.Record(std::vector<uint8_t>{0, 1});
ra.Record(std::map<std::string, uint8_t>{{"a", 1}, {"b", 2}});
rb.Record(std::map<std::string, uint8_t>{{"a", 1}, {"b", 2}});
rb.Record(std::vector<uint8_t>{0, 1});
EXPECT_NE(ra.GetContentHash(), rb.GetContentHash());
}
} // namespace
} // namespace dawn::native