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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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package org.apache.james.mailbox.store;

import static org.assertj.core.api.Assertions.assertThat;

import javax.mail.Flags;

import org.apache.james.mailbox.FlagsBuilder;
import org.apache.james.mailbox.MessageManager;
import org.junit.jupiter.api.Test;

class FlagsUpdateCalculatorTest {

    @Test
    void flagsShouldBeReplacedWhenReplaceIsTrueAndValueIsTrue() {
        FlagsUpdateCalculator flagsUpdateCalculator = new FlagsUpdateCalculator(
            new FlagsBuilder().add(Flags.Flag.DELETED, Flags.Flag.FLAGGED).add("userflag").build(),
            MessageManager.FlagsUpdateMode.REPLACE);

        assertThat(flagsUpdateCalculator.buildNewFlags(new FlagsBuilder().add(Flags.Flag.RECENT, Flags.Flag.FLAGGED).build()))
            .isEqualTo(new FlagsBuilder().add(Flags.Flag.DELETED, Flags.Flag.FLAGGED).add("userflag").build());
    }

    @Test
    void flagsShouldBeAddedWhenReplaceIsFalseAndValueIsTrue() {
        FlagsUpdateCalculator flagsUpdateCalculator = new FlagsUpdateCalculator(
            new FlagsBuilder().add(Flags.Flag.DELETED, Flags.Flag.FLAGGED).add("userflag").build(),
            MessageManager.FlagsUpdateMode.ADD);

        assertThat(flagsUpdateCalculator.buildNewFlags(new FlagsBuilder().add(Flags.Flag.RECENT, Flags.Flag.FLAGGED).build()))
            .isEqualTo(new FlagsBuilder().add(Flags.Flag.DELETED, Flags.Flag.FLAGGED, Flags.Flag.RECENT).add("userflag").build());
    }

    @Test
    void flagsShouldBeRemovedWhenReplaceIsFalseAndValueIsFalse() {
        FlagsUpdateCalculator flagsUpdateCalculator = new FlagsUpdateCalculator(
            new FlagsBuilder().add(Flags.Flag.DELETED, Flags.Flag.FLAGGED).add("userflag").build(),
            MessageManager.FlagsUpdateMode.REMOVE);

        assertThat(flagsUpdateCalculator.buildNewFlags(new FlagsBuilder().add(Flags.Flag.RECENT, Flags.Flag.FLAGGED).build()))
            .isEqualTo(new Flags(Flags.Flag.RECENT));
    }

}
