Several Improvements

Author: rcosta358

README.md

@@ -2,7 +2,7 @@
 
 import liquidjava.specification.Refinement;
 
-public class ExampleMethodRefinements {
+public class MethodRefinementExample {
 
     public static int divide(int a, @Refinement("b != 0") int b) {
         return a / b;

src/main/java/com/tutorial/part1/ExampleRefinements.java

@@ -0,0 +1,18 @@
+package com.tutorial.part1;
+
+import liquidjava.specification.Refinement;
+
+@SuppressWarnings("unused")
+public class RefinementsExample {
+
+    public static void main(String[] args) {
+        // @Refinement("positive > 0")
+        int positive = -1;
+
+        // @Refinement("nonzero != 0")
+        int nonzero = 0;
+
+        // @Refinement("0 <= _ && _ <= 100")
+        int percentage = 200;
+    }
+}

…rial/part1/ExampleMethodRefinements.java …orial/part1/MethodRefinementExample.javasrc/main/java/com/tutorial/part1/ExampleMethodRefinements.java renamed to src/main/java/com/tutorial/part1/MethodRefinementExample.java src/main/java/com/tutorial/part1/ExampleMethodRefinements.java renamed to src/main/java/com/tutorial/part1/MethodRefinementExample.java

@@ -2,7 +2,7 @@
 
 import liquidjava.specification.Refinement;
 
-public class ExampleBankRefinements {
+public class Bank {
 
     @Refinement("true")
     public static int deposit(@Refinement("true") int balance, @Refinement("true") int amount) {
@@ -13,11 +13,4 @@ public static int deposit(@Refinement("true") int balance, @Refinement("true") i
     public static int withdraw(@Refinement("true") int balance, @Refinement("true") int amount) {
         return balance - amount;
     }
-
-    public static void main(String[] args) {
-        int balance = 0;
-        balance = deposit(balance, 10);
-        balance = withdraw(balance, 20); // should be an error
-        System.out.println(balance);
-    }
-}
+}

src/main/java/com/tutorial/part1/RefinementsExample.java

@@ -0,0 +1,11 @@
+package com.tutorial.part1.exercise;
+
+public class BankExample {
+
+    public static void main(String[] args) {;
+        int b = 0;
+        b = Bank.deposit(b, 10);
+        b = Bank.withdraw(b, 20); // should be an error
+        System.out.println(b);
+    }
+}

…rt1/exercise/ExampleBankRefinements.java …va/com/tutorial/part1/exercise/Bank.javasrc/main/java/com/tutorial/part1/exercise/ExampleBankRefinements.java renamed to src/main/java/com/tutorial/part1/exercise/Bank.java src/main/java/com/tutorial/part1/exercise/ExampleBankRefinements.java renamed to src/main/java/com/tutorial/part1/exercise/Bank.java

@@ -0,0 +1,24 @@
+package com.tutorial.part2;
+
+import liquidjava.specification.StateRefinement;
+import liquidjava.specification.StateSet;
+
+@StateSet({"on", "off"})
+public class LightBulb {
+
+    @StateRefinement(to="off(this)")
+    public LightBulb() {}
+
+    @StateRefinement(from="off(this)", to="on(this)")
+    public void turnOn() {}
+
+    @StateRefinement(from="on(this)", to="off(this)")
+    public void turnOff() {}
+
+    public static void main(String[] args) {
+        LightBulb bulb = new LightBulb();
+        bulb.turnOn();
+        bulb.turnOff();
+        // bulb.turnOff(); // uncomment for error
+    }
+}