[java] unused declaration: support easy mock (IDEA-277768)

GitOrigin-RevId: f71c9c6c9a517e93d3287347c218c40fc35d4c42

java/java-tests/testData/inspection/deadCode/mockedEasyMockField/src/Test.java

@@ -0,0 +1,11 @@
+public class MyEasyMockTest {
+  @org.easymock.Mock
+  private String myFoo;
+
+  {
+    System.out.println(myFoo);
+  }
+
+  @org.junit.Test
+  public void testName() throws Exception {}
+}

java/java-tests/testData/inspection/deadCode/mockedMockitoField/expected.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems/>

java/java-tests/testData/inspection/deadCode/mockedMockitoField/src/Test.java

@@ -1,4 +1,4 @@
-public class MyMTest {
+public class MyMockitoTest {
   @org.mockito.Mock
   private String myFoo;
 

java/java-tests/testSrc/com/intellij/java/codeInspection/UnusedDeclarationInspectionTest.java

@@ -155,7 +155,11 @@ public class UnusedDeclarationInspectionTest extends AbstractUnusedDeclarationTe
     doTest();
   }
 
-  public void testMockedField() {
+  public void testMockedMockitoField() {
+    doTest();
+  }
+
+  public void testMockedEasyMockField() {
     doTest();
   }
 

plugins/junit/src/com/intellij/execution/junit2/inspection/JUnitImplicitUsageProvider.java

@@ -28,14 +28,15 @@ import static com.siyeh.ig.junit.JUnitCommonClassNames.ORG_JUNIT_JUPITER_PARAMS_
 import static com.siyeh.ig.junit.JUnitCommonClassNames.ORG_JUNIT_JUPITER_PARAMS_PROVIDER_METHOD_SOURCE;
 
 public class JUnitImplicitUsageProvider implements ImplicitUsageProvider {
-  private static final String MOCK = "org.mockito.Mock";
+  private static final String MOCKITO_MOCK = "org.mockito.Mock";
   private static final String KOTLIN_JVM_STATIC = "kotlin.jvm.JvmStatic";
 
   private static final List<String> INJECTED_FIELD_ANNOTATIONS = Arrays.asList(
-    MOCK,
+    MOCKITO_MOCK,
     "org.mockito.Spy",
     "org.mockito.Captor",
     "org.mockito.InjectMocks",
+    "org.easymock.Mock",
     "org.assertj.core.api.junit.jupiter.InjectSoftAssertions", 
     "org.junit.jupiter.api.io.TempDir");
 
@@ -150,7 +151,7 @@ public class JUnitImplicitUsageProvider implements ImplicitUsageProvider {
 
   @Override
   public boolean isImplicitWrite(@NotNull PsiElement element) {
-    return element instanceof PsiParameter && AnnotationUtil.isAnnotated((PsiParameter)element, MOCK, 0) ||
+    return element instanceof PsiParameter && AnnotationUtil.isAnnotated((PsiParameter)element, MOCKITO_MOCK, 0) ||
            element instanceof PsiField && AnnotationUtil.isAnnotated((PsiField)element, INJECTED_FIELD_ANNOTATIONS, 0);
   }