StreamHandlerTest.java 文件源码

public void testConstructor_NoParameter_InsufficientPrivilege() {
    assertNull(LogManager.getLogManager().getProperty(
            "java.util.logging.StreamHandler.level"));
    assertNull(LogManager.getLogManager().getProperty(
            "java.util.logging.StreamHandler.filter"));
    assertNull(LogManager.getLogManager().getProperty(
            "java.util.logging.StreamHandler.formatter"));
    assertNull(LogManager.getLogManager().getProperty(
            "java.util.logging.StreamHandler.encoding"));

    SecurityManager oldMan = System.getSecurityManager();
    System.setSecurityManager(new MockSecurityManager());
    // set a normal value
    try {
        StreamHandler h = new StreamHandler();
        assertSame(Level.INFO, h.getLevel());
        assertTrue(h.getFormatter() instanceof SimpleFormatter);
        assertNull(h.getFilter());
        assertNull(h.getEncoding());
    } finally {
        System.setSecurityManager(oldMan);
    }
}