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package edu.ucsb.cs156.happiercows.strategies; |
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import edu.ucsb.cs156.happiercows.entities.Commons; |
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import edu.ucsb.cs156.happiercows.entities.UserCommons; |
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import lombok.AllArgsConstructor; |
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import lombok.Getter; |
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/** |
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* The CowHealthUpdateStrategies enum provides a variety of strategies for updating cow health. |
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* |
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* For information on Java enum's, see the Oracle Java Tutorial on <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/enum.html">Enum Types</a>, |
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* which are far more powerful in Java than enums in most other languages. |
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*/ |
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@Getter |
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@AllArgsConstructor |
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public enum CowHealthUpdateStrategies implements CowHealthUpdateStrategy { |
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Linear("Linear", "Cow health increases/decreases proportionally to the number of cows over/under the carrying capacity.") { |
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@Override |
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public double calculateNewCowHealth(Commons commons, UserCommons user, int totalCows) { |
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4
1. calculateNewCowHealth : Replaced integer subtraction with addition → KILLED
2. calculateNewCowHealth : Replaced double multiplication with division → KILLED
3. calculateNewCowHealth : Replaced double subtraction with addition → KILLED
4. calculateNewCowHealth : replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$1::calculateNewCowHealth → KILLED
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return user.getCowHealth() - (totalCows - commons.getEffectiveCapacity()) * commons.getDegradationRate(); |
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} |
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}, |
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Constant("Constant", "Cow health changes increases/decreases by the degradation rate, depending on if the number of cows exceeds the carrying capacity.") { |
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@Override |
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public double calculateNewCowHealth(Commons commons, UserCommons user, int totalCows) { |
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2
1. calculateNewCowHealth : changed conditional boundary → KILLED
2. calculateNewCowHealth : negated conditional → KILLED
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if (totalCows <= commons.getEffectiveCapacity()) { |
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2
1. calculateNewCowHealth : Replaced double addition with subtraction → KILLED
2. calculateNewCowHealth : replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$2::calculateNewCowHealth → KILLED
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return user.getCowHealth() + commons.getDegradationRate(); |
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} else { |
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2
1. calculateNewCowHealth : Replaced double subtraction with addition → KILLED
2. calculateNewCowHealth : replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$2::calculateNewCowHealth → KILLED
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return user.getCowHealth() - commons.getDegradationRate(); |
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} |
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} |
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}, |
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Noop("Do nothing", "Cow health does not change.") { |
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@Override |
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public double calculateNewCowHealth(Commons commons, UserCommons user, int totalCows) { |
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1. calculateNewCowHealth : replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$3::calculateNewCowHealth → KILLED
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return user.getCowHealth(); |
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} |
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}; |
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private final String displayName; |
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private final String description; |
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public final static CowHealthUpdateStrategies DEFAULT_ABOVE_CAPACITY = Linear; |
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public final static CowHealthUpdateStrategies DEFAULT_BELOW_CAPACITY = Constant; |
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} |
| | Mutations |
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1.1
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:linear_updates_health_proportional_to_num_cows_over_capacity()] Replaced integer subtraction with addition → KILLED 2.2
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:linear_updates_health_proportional_to_num_cows_over_capacity()] Replaced double multiplication with division → KILLED 3.3
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:linear_updates_health_proportional_to_num_cows_over_capacity()] Replaced double subtraction with addition → KILLED 4.4
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:linear_updates_health_proportional_to_num_cows_over_capacity()] replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$1::calculateNewCowHealth → KILLED
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1.1
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:constant_changes_by_constant_amount()] changed conditional boundary → KILLED 2.2
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:constant_changes_by_constant_amount()] negated conditional → KILLED
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1.1
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:constant_changes_by_constant_amount()] Replaced double addition with subtraction → KILLED 2.2
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:constant_changes_by_constant_amount()] replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$2::calculateNewCowHealth → KILLED
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1.1
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:constant_changes_by_constant_amount()] Replaced double subtraction with addition → KILLED 2.2
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:constant_changes_by_constant_amount()] replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$2::calculateNewCowHealth → KILLED
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1.1
Location : calculateNewCowHealth
Killed by : edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategyTests]/[method:noop_does_nothing()] replaced double return with 0.0d for edu/ucsb/cs156/happiercows/strategies/CowHealthUpdateStrategies$3::calculateNewCowHealth → KILLED
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