Tools/TestWebKitAPI/Tests/WTF/LoggingHashMap.cpp

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#include "config.h"
#include <wtf/LoggingHashMap.h>

namespace TestWebKitAPI {

namespace {

constexpr char intMapTypeArguments[] = "int, int";
using IntLoggingHashMap = LoggingHashMap<intMapTypeArguments, int, int>;

}

TEST(WTF_LoggingHashMap, SetForwardsToUnderlyingMap)
{
    IntLoggingHashMap map;
    int key = 1;
    map.set(key, 10);
    map.set(2, 20);
    EXPECT_EQ(2u, map.size());

    auto result = map.set(key, 11);
    EXPECT_FALSE(result.isNewEntry);
    EXPECT_EQ(2u, map.size());

    unsigned sum = 0;
    for (auto& entry : map)
        sum += entry.value;
    EXPECT_EQ(31u, sum);
}

TEST(WTF_LoggingHashMap, AddForwardsToUnderlyingMap)
{
    IntLoggingHashMap map;
    int key = 1;
    EXPECT_TRUE(map.add(key, 10).isNewEntry);
    EXPECT_TRUE(map.add(2, 20).isNewEntry);
    EXPECT_FALSE(map.add(key, 99).isNewEntry);
    EXPECT_EQ(2u, map.size());

    unsigned sum = 0;
    for (auto& entry : map)
        sum += entry.value;
    EXPECT_EQ(30u, sum);
}

TEST(WTF_LoggingHashMap, FastAddForwardsToUnderlyingMap)
{
    IntLoggingHashMap map;
    int key = 1;
    EXPECT_TRUE(map.fastAdd(key, 10).isNewEntry);
    EXPECT_TRUE(map.fastAdd(2, 20).isNewEntry);
    EXPECT_FALSE(map.fastAdd(key, 99).isNewEntry);
    EXPECT_EQ(2u, map.size());
}

TEST(WTF_LoggingHashMap, AssignmentReturnsThis)
{
    IntLoggingHashMap source;
    source.add(1, 10);

    IntLoggingHashMap copy;
    IntLoggingHashMap& copyResult = (copy = source);
    EXPECT_EQ(&copy, &copyResult);
    EXPECT_EQ(1u, copy.size());

    IntLoggingHashMap moved;
    IntLoggingHashMap& moveResult = (moved = WTF::move(copy));
    EXPECT_EQ(&moved, &moveResult);
    EXPECT_EQ(1u, moved.size());
}

} // namespace TestWebKitAPI