failing test case for #771

.gitignore

@@ -13,3 +13,5 @@ target/
 dependency-reduced-pom.xml
 .flattened-pom.xml
 */bin
+.DS_Store
+

pitest-maven-verification/src/test/java/org/pitest/PitMojoIT.java

@@ -15,18 +15,6 @@
  */
 package org.pitest;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.junit.Assume.assumeFalse;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Properties;
-
 import org.apache.commons.io.FileUtils;
 import org.apache.maven.it.VerificationException;
 import org.apache.maven.it.Verifier;
@@ -43,6 +31,18 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.junit.Assume.assumeFalse;
+
 /**
  * @author Stefan Penndorf <[email protected]>
  */
@@ -563,4 +563,15 @@ public void shouldFindOccupiedTestPackages() throws IOException, VerificationExc
         "<mutation detected='true' status='KILLED' numberOfTestsRun='1'><sourceFile>DiscoveredClass.java</sourceFile>");
   }
 
+  @Test
+  public void shouldNotNullPointerWhenEnumInitiliazerNotCalled() throws IOException, VerificationException {
+    File testDir = prepare("/pit-enum-constructor-npe");
+    verifier.executeGoal("test");
+    verifier.executeGoal("org.pitest:pitest-maven:mutationCoverage");
+
+    String actual = readResults(testDir);
+    assertThat(actual).contains(
+            "<mutation detected='true' status='KILLED' numberOfTestsRun='1'><sourceFile>DiscoveredClass.java</sourceFile>");
+  }
+
 }

pitest-maven-verification/src/test/resources/pit-enum-constructor-npe/pom.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.example</groupId>
+    <artifactId>pitest-sample</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <name>pit #770 npe in constructor</name>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.1</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.4</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.pitest</groupId>
+                <artifactId>pitest-maven</artifactId>
+                <version>${pit.version}</version>
+                <configuration>
+                    <verbose>true</verbose>
+                    <outputFormats>
+                        <value>XML</value>
+                    </outputFormats>
+                    <timestampedReports>false</timestampedReports>
+                    <exportLineCoverage>true</exportLineCoverage>
+                    <mutators>
+                        <mutator>VOID_METHOD_CALLS</mutator>
+                    </mutators>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

pitest-maven-verification/src/test/resources/pit-enum-constructor-npe/src/main/java/com/example/Test.java

@@ -0,0 +1,7 @@
+package com.example;
+
+class Test {
+  public Test()	 {
+    System.out.println("I only exist so that pitest thinks there is something to mutate");
+  }
+}

pitest-maven-verification/src/test/resources/pit-enum-constructor-npe/src/test/java/test/com/example/NestedClassTest.java

@@ -0,0 +1,15 @@
+package com.example;
+
+import org.junit.Test;
+
+public class NestedClassTest {
+	public static enum MyEnum {
+		A { }
+	}
+
+	@Test
+	public void test() throws ClassNotFoundException {
+		Class.forName("com.example.NestedClassTest$MyEnum$1");
+	}
+}
+