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//===- OutlinedHashTreeRecordTest.cpp -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGenData/OutlinedHashTreeRecord.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(OutlinedHashTreeRecordTest, Empty) {
OutlinedHashTreeRecord HashTreeRecord;
ASSERT_TRUE(HashTreeRecord.empty());
}
TEST(OutlinedHashTreeRecordTest, Print) {
OutlinedHashTreeRecord HashTreeRecord;
HashTreeRecord.HashTree->insert({{1, 2}, 3});
const char *ExpectedTreeStr = R"(---
0:
Hash: 0x0
Terminals: 0
SuccessorIds: [ 1 ]
1:
Hash: 0x1
Terminals: 0
SuccessorIds: [ 2 ]
2:
Hash: 0x2
Terminals: 3
SuccessorIds: [ ]
...
)";
std::string TreeDump;
raw_string_ostream OS(TreeDump);
HashTreeRecord.print(OS);
EXPECT_EQ(ExpectedTreeStr, TreeDump);
}
TEST(OutlinedHashTreeRecordTest, Stable) {
OutlinedHashTreeRecord HashTreeRecord1;
HashTreeRecord1.HashTree->insert({{1, 2}, 4});
HashTreeRecord1.HashTree->insert({{1, 3}, 5});
OutlinedHashTreeRecord HashTreeRecord2;
HashTreeRecord2.HashTree->insert({{1, 3}, 5});
HashTreeRecord2.HashTree->insert({{1, 2}, 4});
// Output is stable regardless of insertion order.
std::string TreeDump1;
raw_string_ostream OS1(TreeDump1);
HashTreeRecord1.print(OS1);
std::string TreeDump2;
raw_string_ostream OS2(TreeDump2);
HashTreeRecord2.print(OS2);
EXPECT_EQ(TreeDump1, TreeDump2);
}
TEST(OutlinedHashTreeRecordTest, Serialize) {
OutlinedHashTreeRecord HashTreeRecord1;
HashTreeRecord1.HashTree->insert({{1, 2}, 4});
HashTreeRecord1.HashTree->insert({{1, 3}, 5});
// Serialize and deserialize the tree.
SmallVector<char> Out;
raw_svector_ostream OS(Out);
HashTreeRecord1.serialize(OS);
OutlinedHashTreeRecord HashTreeRecord2;
const uint8_t *Data = reinterpret_cast<const uint8_t *>(Out.data());
HashTreeRecord2.deserialize(Data);
// Two trees should be identical.
std::string TreeDump1;
raw_string_ostream OS1(TreeDump1);
HashTreeRecord1.print(OS1);
std::string TreeDump2;
raw_string_ostream OS2(TreeDump2);
HashTreeRecord2.print(OS2);
EXPECT_EQ(TreeDump1, TreeDump2);
}
TEST(OutlinedHashTreeRecordTest, SerializeYAML) {
OutlinedHashTreeRecord HashTreeRecord1;
HashTreeRecord1.HashTree->insert({{1, 2}, 4});
HashTreeRecord1.HashTree->insert({{1, 3}, 5});
// Serialize and deserialize the tree in a YAML format.
std::string Out;
raw_string_ostream OS(Out);
yaml::Output YOS(OS);
HashTreeRecord1.serializeYAML(YOS);
OutlinedHashTreeRecord HashTreeRecord2;
yaml::Input YIS(StringRef(Out.data(), Out.size()));
HashTreeRecord2.deserializeYAML(YIS);
// Two trees should be identical.
std::string TreeDump1;
raw_string_ostream OS1(TreeDump1);
HashTreeRecord1.print(OS1);
std::string TreeDump2;
raw_string_ostream OS2(TreeDump2);
HashTreeRecord2.print(OS2);
EXPECT_EQ(TreeDump1, TreeDump2);
}
} // end namespace
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