mutator: Boolean cross over

1 files changed, 10 insertions, 0 deletions

diff --git a/src/test/java/com/code_intelligence/jazzer/mutation/mutator/lang/BooleanMutatorTest.java b/src/test/java/com/code_intelligence/jazzer/mutation/mutator/lang/BooleanMutatorTest.java
index 5eee078c..3bf55bcf 100644
--- a/src/test/java/com/code_intelligence/jazzer/mutation/mutator/lang/BooleanMutatorTest.java
+++ b/src/test/java/com/code_intelligence/jazzer/mutation/mutator/lang/BooleanMutatorTest.java
@@ -25,6 +25,7 @@ import com.code_intelligence.jazzer.mutation.support.TestSupport.MockPseudoRando
 import com.code_intelligence.jazzer.mutation.support.TypeHolder;
 import org.junit.jupiter.api.Test;
 
+@SuppressWarnings("unchecked")
 class BooleanMutatorTest {
   @Test
   void testPrimitive() {
@@ -61,4 +62,13 @@ class BooleanMutatorTest {
     }
     assertThat(bool).isTrue();
   }
+
+  @Test
+  void testCrossOver() {
+    SerializingMutator<Boolean> mutator = LangMutators.newFactory().createOrThrow(boolean.class);
+    try (MockPseudoRandom prng = mockPseudoRandom(true, false)) {
+      assertThat(mutator.crossOver(true, false, prng)).isTrue();
+      assertThat(mutator.crossOver(true, false, prng)).isFalse();
+    }
+  }
 }