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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/zucchini/reference_set.h"
#include <vector>
#include "components/zucchini/image_utils.h"
#include "components/zucchini/target_pool.h"
#include "components/zucchini/test_reference_reader.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace zucchini {
namespace {
constexpr offset_t kWidth = 2U;
} // namespace
class ReferenceSetTest : public testing::Test {
protected:
// For simplicity, |target_pool_| has no type info (not needed here).
TargetPool target_pool_ = TargetPool{{0, 2, 3, 5}};
ReferenceSet reference_set_ =
ReferenceSet{{kWidth, TypeTag(0), PoolTag(0)}, target_pool_};
};
TEST_F(ReferenceSetTest, InitReferencesFromReader) {
EXPECT_EQ(std::vector<IndirectReference>(), reference_set_.references());
EXPECT_EQ(0U, reference_set_.size());
std::vector<Reference> references = {{10, 0}, {12, 2}, {14, 5}};
reference_set_.InitReferences(TestReferenceReader(references));
EXPECT_EQ(std::vector<IndirectReference>({{10, 0}, {12, 1}, {14, 3}}),
reference_set_.references());
EXPECT_EQ(3U, reference_set_.size());
}
TEST_F(ReferenceSetTest, At) {
reference_set_.InitReferences({{10, 0}, {12, 2}, {15, 5}});
// Each references has kWidth = 2, so check all bytes covered.
EXPECT_EQ(IndirectReference({10, 0}), reference_set_.at(10));
EXPECT_EQ(IndirectReference({10, 0}), reference_set_.at(11));
EXPECT_EQ(IndirectReference({12, 1}), reference_set_.at(12));
EXPECT_EQ(IndirectReference({12, 1}), reference_set_.at(13));
EXPECT_EQ(IndirectReference({15, 3}), reference_set_.at(15));
EXPECT_EQ(IndirectReference({15, 3}), reference_set_.at(16));
}
} // namespace zucchini
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