JavaLangReflectAccessibleObjectTest.java

package tests.security.permissions;

import dalvik.annotation.TestTargets;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestTargetClass;

import junit.framework.TestCase;

import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.ReflectPermission;
import java.security.Permission;

/*
 * This class tests the security permissions which are documented in
 * http://java.sun.com/j2se/1.5.0/docs/guide/security/permissions.html#PermsAndMethods
 * for class java.lang.reflect.AccessibleObject.
 */
@TestTargetClass(java.lang.reflect.AccessibleObject.class)
public class JavaLangReflectAccessibleObjectTest extends TestCase {
    
    SecurityManager old;

    @Override
    protected void setUp() throws Exception {
        old = System.getSecurityManager();
        super.setUp();
    }

    @Override
    protected void tearDown() throws Exception {
        System.setSecurityManager(old);
        super.tearDown();
    }
    
    static class TestClass {
        @SuppressWarnings("unused")
        private int field;
    }
    
    @TestTargetNew(
        level = TestLevel.PARTIAL_COMPLETE,
        notes = "Verifies that java.lang.reflect.AccessibleObject.setAccessible(boolean) method calls checkPermission on security manager",
        method = "setAccessible",
        args = {boolean.class}
    )
    public void test_setAccessibleB() throws Exception {
        
        class TestSecurityManager extends SecurityManager {
            boolean called = false;
            @Override
            public void checkPermission(Permission permission) {
                if (permission instanceof ReflectPermission
                        && "suppressAccessChecks".equals(permission.getName())) {
                    called = true;              
                }
            }
            
        }
        TestSecurityManager s = new TestSecurityManager();
        System.setSecurityManager(s);
        
        Field field = TestClass.class.getDeclaredField("field");
        field.setAccessible(true);
        
        assertTrue(
                "java.lang.reflect.AccessibleObject.setAccessible(boolean)  " +
                "must call checkPermission on security permissions",
                s.called);
    }
    
    @TestTargetNew(
        level = TestLevel.PARTIAL_COMPLETE,
        notes = "Verifies that java.lang.reflect.AccessibleObject.setAccessible(AccessibleObject[], boolean) method calls checkPermission on security manager",
        method = "setAccessible",
        args = {java.lang.reflect.AccessibleObject[].class, boolean.class}
    )
    public void test_setAccessibleLAccessibleObjectB() throws Exception {
        
        class TestSecurityManager extends SecurityManager {
            boolean called = false;
            @Override
            public void checkPermission(Permission permission) {
                if (permission instanceof ReflectPermission
                        && "suppressAccessChecks".equals(permission.getName())) {
                    called = true;
                }
            }
        }
        TestSecurityManager s = new TestSecurityManager();
        System.setSecurityManager(s);
        
        Field field = TestClass.class.getDeclaredField("field");
        field.setAccessible(TestClass.class.getDeclaredFields(), true);
        
        assertTrue(
                "java.lang.reflect.AccessibleObject.setAccessible(AccessibleObject[], boolean)  "
                        + "must call checkPermission on security permissions",
                s.called);
    }

}