BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

code-generation/src/test/java/com/baeldung/autovalue/MoneyUnitTest.java

@@ -0,0 +1,63 @@
+package com.baeldung.autovalue;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+public class MoneyUnitTest {
+    @Test
+    public void givenTwoSameValueMoneyObjects_whenEqualityTestFails_thenCorrect() {
+        MutableMoney m1 = new MutableMoney(10000, "USD");
+        MutableMoney m2 = new MutableMoney(10000, "USD");
+        assertFalse(m1.equals(m2));
+    }
+
+    @Test
+    public void givenTwoSameValueMoneyValueObjects_whenEqualityTestPasses_thenCorrect() {
+        ImmutableMoney m1 = new ImmutableMoney(10000, "USD");
+        ImmutableMoney m2 = new ImmutableMoney(10000, "USD");
+        assertTrue(m1.equals(m2));
+    }
+
+    @Test
+    public void givenValueTypeWithAutoValue_whenFieldsCorrectlySet_thenCorrect() {
+        AutoValueMoney m = AutoValueMoney.create("USD", 10000);
+        assertEquals(m.getAmount(), 10000);
+        assertEquals(m.getCurrency(), "USD");
+    }
+
+    @Test
+    public void given2EqualValueTypesWithAutoValue_whenEqual_thenCorrect() {
+        AutoValueMoney m1 = AutoValueMoney.create("USD", 5000);
+        AutoValueMoney m2 = AutoValueMoney.create("USD", 5000);
+        assertTrue(m1.equals(m2));
+    }
+
+    @Test
+    public void given2DifferentValueTypesWithAutoValue_whenNotEqual_thenCorrect() {
+        AutoValueMoney m1 = AutoValueMoney.create("GBP", 5000);
+        AutoValueMoney m2 = AutoValueMoney.create("USD", 5000);
+        assertFalse(m1.equals(m2));
+    }
+
+    @Test
+    public void given2EqualValueTypesWithBuilder_whenEqual_thenCorrect() {
+        AutoValueMoneyWithBuilder m1 = AutoValueMoneyWithBuilder.builder().setAmount(5000).setCurrency("USD").build();
+        AutoValueMoneyWithBuilder m2 = AutoValueMoneyWithBuilder.builder().setAmount(5000).setCurrency("USD").build();
+        assertTrue(m1.equals(m2));
+    }
+
+    @Test
+    public void given2DifferentValueTypesBuilder_whenNotEqual_thenCorrect() {
+        AutoValueMoneyWithBuilder m1 = AutoValueMoneyWithBuilder.builder().setAmount(5000).setCurrency("USD").build();
+        AutoValueMoneyWithBuilder m2 = AutoValueMoneyWithBuilder.builder().setAmount(5000).setCurrency("GBP").build();
+        assertFalse(m1.equals(m2));
+    }
+
+    @Test
+    public void givenValueTypeWithBuilder_whenFieldsCorrectlySet_thenCorrect() {
+        AutoValueMoneyWithBuilder m = AutoValueMoneyWithBuilder.builder().setAmount(5000).setCurrency("USD").build();
+        assertEquals(m.getAmount(), 5000);
+        assertEquals(m.getCurrency(), "USD");
+    }
+}