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#include "googletest.h"

#include <preprocessormacrocollector.h>

namespace {

using ProjectExplorer::Macros;
using ProjectExplorer::MacroType;
using PM = ClangPchManager::PreprocessorMacro;

class PreprocessorMacrosManager : public testing::Test
{
protected:
    Macros macros1{{"yi", "1"}, {"er", "2"}};
    Macros macros2{{"san", "3"}, {"se", "4"}};
    Macros macrosWithDuplicates{{"yi", "1"}, {"san", "3"}, {"se", "4"}, {"er", "0"}};
    ClangPchManager::PreprocessorMacroCollector manager;
};

TEST_F(PreprocessorMacrosManager, Add)
{
    manager.add(macros1);

    ASSERT_THAT(manager.macros(), ElementsAre(PM{"er", "2"}, PM{"yi", "1"}));
}

TEST_F(PreprocessorMacrosManager, AddMore)
{
    manager.add(macros1);

    manager.add(macros2);

    ASSERT_THAT(manager.macros(),
                ElementsAre(PM{"er", "2"}, PM{"san", "3"}, PM{"se", "4"}, PM{"yi", "1"}));
}

TEST_F(PreprocessorMacrosManager, FilterDuplicates)
{
    manager.add(macros1);

    manager.add(macrosWithDuplicates);

    ASSERT_THAT(manager.macros(),
                ElementsAre(PM{"er", "0"}, PM{"er", "2"}, PM{"san", "3"}, PM{"se", "4"}, PM{"yi", "1"}));
}
} // namespace