Andreas Omholt Olsen
74 lines
1.7 KiB
Java
74 lines
1.7 KiB
Java
package oving4.testing;
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public class CoffeeCup {
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private double capacity;
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private double currentVolume;
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public CoffeeCup() {
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this.capacity = 0.0;
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this.currentVolume = 0.0;
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}
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public CoffeeCup(double capacity, double currentVolume) {
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if (!CoffeeCup.isValidCapacity(capacity)) {
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throw new IllegalArgumentException("Illegal capacity given.");
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}
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this.capacity = capacity;
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if (!this.isValidVolume(currentVolume)) {
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throw new IllegalArgumentException("Illegal volume given.");
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}
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this.currentVolume = currentVolume;
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}
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public double getCapacity() {
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return this.capacity;
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}
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public double getCurrentVolume() {
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return this.currentVolume;
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}
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private static boolean isValidCapacity(double capacity) {
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return capacity >= 0.0;
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}
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public void increaseCupSize(double biggerCapacity) {
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if (CoffeeCup.isValidCapacity(biggerCapacity)) {
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this.capacity += biggerCapacity;
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}
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}
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private boolean isValidVolume(double volume) {
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return volume <= this.capacity && volume >= 0.0;
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}
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private boolean canDrink(double volume) {
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return volume <= this.currentVolume;
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}
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public void drinkCoffee(double volume) {
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if (!this.isValidVolume(volume) || !this.canDrink(volume)) {
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throw new IllegalArgumentException("You cannot drink that much coffee!");
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}
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this.currentVolume -= volume;
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}
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public void fillCoffee(double volume) {
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if (!this.isValidVolume(this.currentVolume + volume)) {
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throw new IllegalArgumentException(
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"You just poured coffee all over the table. Good job.");
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}
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this.currentVolume += volume;
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}
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@Override
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public String toString() {
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return String.format("[CoffeeCup capacity=%.2f, currentVolume=%.2f]", this.capacity,
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this.currentVolume);
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}
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}
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