52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2018 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/disassembler_dex.h"
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include <algorithm>
|
|
#include <set>
|
|
#include <vector>
|
|
|
|
#include "testing/gtest/include/gtest/gtest.h"
|
|
|
|
namespace zucchini {
|
|
|
|
namespace {
|
|
|
|
template <typename T>
|
|
size_t CountDistinct(const std::vector<T>& v) {
|
|
return std::set<T>(v.begin(), v.end()).size();
|
|
}
|
|
|
|
} // namespace
|
|
|
|
// Ensures that ReferenceGroups from DisassemblerDex::MakeReferenceGroups()
|
|
// cover each non-sentinel element in ReferenceType in order, exactly once. Also
|
|
// ensures that the ReferenceType elements are grouped by ReferencePool, and
|
|
// listed in increasing order.
|
|
TEST(DisassemblerDexTest, ReferenceGroups) {
|
|
std::vector<uint32_t> pool_list;
|
|
std::vector<uint32_t> type_list;
|
|
DisassemblerDex dis;
|
|
for (ReferenceGroup group : dis.MakeReferenceGroups()) {
|
|
pool_list.push_back(static_cast<uint32_t>(group.pool_tag().value()));
|
|
type_list.push_back(static_cast<uint32_t>(group.type_tag().value()));
|
|
}
|
|
|
|
// Check ReferenceByte coverage.
|
|
constexpr size_t kNumTypes = DisassemblerDex::kNumTypes;
|
|
EXPECT_EQ(kNumTypes, type_list.size());
|
|
EXPECT_EQ(kNumTypes, CountDistinct(type_list));
|
|
EXPECT_TRUE(std::is_sorted(type_list.begin(), type_list.end()));
|
|
|
|
// Check that ReferenceType elements are grouped by ReferencePool. Note that
|
|
// repeats can occur, and pools can be skipped.
|
|
EXPECT_TRUE(std::is_sorted(pool_list.begin(), pool_list.end()));
|
|
}
|
|
|
|
} // namespace zucchini
|