llvm-project/llvm/unittests/ADT/MapVectorTest.cpp

125 lines
3.0 KiB
C++

//===- unittest/ADT/MapVectorTest.cpp - MapVector unit tests ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/iterator_range.h"
#include <utility>
using namespace llvm;
TEST(MapVectorTest, insert_pop) {
MapVector<int, int> MV;
std::pair<MapVector<int, int>::iterator, bool> R;
R = MV.insert(std::make_pair(1, 2));
ASSERT_EQ(R.first, MV.begin());
EXPECT_EQ(R.first->first, 1);
EXPECT_EQ(R.first->second, 2);
EXPECT_TRUE(R.second);
R = MV.insert(std::make_pair(1, 3));
ASSERT_EQ(R.first, MV.begin());
EXPECT_EQ(R.first->first, 1);
EXPECT_EQ(R.first->second, 2);
EXPECT_FALSE(R.second);
R = MV.insert(std::make_pair(4, 5));
ASSERT_NE(R.first, MV.end());
EXPECT_EQ(R.first->first, 4);
EXPECT_EQ(R.first->second, 5);
EXPECT_TRUE(R.second);
EXPECT_EQ(MV.size(), 2u);
EXPECT_EQ(MV[1], 2);
EXPECT_EQ(MV[4], 5);
MV.pop_back();
EXPECT_EQ(MV.size(), 1u);
EXPECT_EQ(MV[1], 2);
R = MV.insert(std::make_pair(4, 7));
ASSERT_NE(R.first, MV.end());
EXPECT_EQ(R.first->first, 4);
EXPECT_EQ(R.first->second, 7);
EXPECT_TRUE(R.second);
EXPECT_EQ(MV.size(), 2u);
EXPECT_EQ(MV[1], 2);
EXPECT_EQ(MV[4], 7);
}
TEST(MapVectorTest, erase) {
MapVector<int, int> MV;
MV.insert(std::make_pair(1, 2));
MV.insert(std::make_pair(3, 4));
MV.insert(std::make_pair(5, 6));
ASSERT_EQ(MV.size(), 3u);
MV.erase(MV.find(1));
ASSERT_EQ(MV.size(), 2u);
ASSERT_EQ(MV.find(1), MV.end());
ASSERT_EQ(MV[3], 4);
ASSERT_EQ(MV[5], 6);
ASSERT_EQ(MV.erase(3), 1u);
ASSERT_EQ(MV.size(), 1u);
ASSERT_EQ(MV.find(3), MV.end());
ASSERT_EQ(MV[5], 6);
ASSERT_EQ(MV.erase(79), 0u);
ASSERT_EQ(MV.size(), 1u);
}
TEST(MapVectorTest, remove_if) {
MapVector<int, int> MV;
MV.insert(std::make_pair(1, 11));
MV.insert(std::make_pair(2, 12));
MV.insert(std::make_pair(3, 13));
MV.insert(std::make_pair(4, 14));
MV.insert(std::make_pair(5, 15));
MV.insert(std::make_pair(6, 16));
ASSERT_EQ(MV.size(), 6u);
MV.remove_if([](const std::pair<int, int> &Val) { return Val.second % 2; });
ASSERT_EQ(MV.size(), 3u);
ASSERT_EQ(MV.find(1), MV.end());
ASSERT_EQ(MV.find(3), MV.end());
ASSERT_EQ(MV.find(5), MV.end());
ASSERT_EQ(MV[2], 12);
ASSERT_EQ(MV[4], 14);
ASSERT_EQ(MV[6], 16);
}
TEST(MapVectorTest, iteration_test) {
MapVector<int, int> MV;
MV.insert(std::make_pair(1, 11));
MV.insert(std::make_pair(2, 12));
MV.insert(std::make_pair(3, 13));
MV.insert(std::make_pair(4, 14));
MV.insert(std::make_pair(5, 15));
MV.insert(std::make_pair(6, 16));
ASSERT_EQ(MV.size(), 6u);
int count = 1;
for (auto P : make_range(MV.begin(), MV.end())) {
ASSERT_EQ(P.first, count);
count++;
}
count = 6;
for (auto P : make_range(MV.rbegin(), MV.rend())) {
ASSERT_EQ(P.first, count);
count--;
}
}