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// Copyright 2022 The Dawn Authors
//
// 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 <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