diff --git a/core-java/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java b/core-java/src/test/java/com/baeldung/ternaryoperator/TernaryOperatorUnitTest.java new file mode 100644 index 0000000000..6b292ad8ab --- /dev/null +++ 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"); + } +}