BALE-2224 Ternary Operator In Java (eugenp#5362)

shubhi22 · maibin · commit b4aa279eaa46 · 2018-09-30T14:52:49.000-07:00
diff --git a/core-java/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java b/core-java/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java
@@ -0,0 +1,43 @@
+package com.baeldung.ternaryoperator;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import org.junit.Test;
+
+public class TernaryOperatorUnitTest {
+
+    @Test
+    public void givenACondition_whenUsingTernaryOperator_thenItEvaluatesConditionAndReturnsAValue() {
+        int number = 10;
+        String msg = number > 10 ? "Number is greater than 10" : "Number is less than or equal to 10";
+
+        assertThat(msg).isEqualTo("Number is less than or equal to 10");
+    }
+
+    @Test
+    public void givenATrueCondition_whenUsingTernaryOperator_thenOnlyExpression1IsEvaluated() {
+        int exp1 = 0, exp2 = 0;
+        int result = 12 > 10 ? ++exp1 : ++exp2;
+
+        assertThat(exp1).isEqualTo(1);
+        assertThat(exp2).isEqualTo(0);
+        assertThat(result).isEqualTo(1);
+    }
+
+    @Test
+    public void givenAFalseCondition_whenUsingTernaryOperator_thenOnlyExpression2IsEvaluated() {
+        int exp1 = 0, exp2 = 0;
+        int result = 8 > 10 ? ++exp1 : ++exp2;
+
+        assertThat(exp1).isEqualTo(0);
+        assertThat(exp2).isEqualTo(1);
+        assertThat(result).isEqualTo(1);
+    }
+
+    @Test
+    public void givenANestedCondition_whenUsingTernaryOperator_thenCorrectValueIsReturned() {
+        int number = 6;
+        String msg = number > 10 ? "Number is greater than 10" : number > 5 ? "Number is greater than 5" : "Number is less than or equal to 5";
+
+        assertThat(msg).isEqualTo("Number is greater than 5");
+    }
+}
