ModulesTest.java 文件源码

/**
 * Basic test of iterator() to test iteration order. Providers deployed
 * as named modules should be found before providers deployed on the class
 * path.
 */
@Test
public void testIteratorOrder() {
    ServiceLoader<ScriptEngineFactory> loader
        = ServiceLoader.load(ScriptEngineFactory.class);
    boolean foundUnnamed = false;
    for (ScriptEngineFactory factory : collectAll(loader)) {
        if (factory.getClass().getModule().isNamed()) {
            if (foundUnnamed) {
                assertTrue(false, "Named module element after unnamed");
            }
        } else {
            foundUnnamed = true;
        }
    }
}