--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/ModuleLayer/LayerControllerTest.java Fri Apr 07 08:05:54 2017 +0000
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @library /lib/testlibrary
+ * @build LayerControllerTest ModuleUtils
+ * @run testng LayerControllerTest
+ * @summary Basic tests for java.lang.ModuleLayer.Controller
+ */
+
+import java.lang.module.Configuration;
+import java.lang.module.ModuleDescriptor;
+import java.lang.module.ModuleFinder;
+import java.util.List;
+import java.util.Set;
+
+import org.testng.annotations.Test;
+import static org.testng.Assert.*;
+
+@Test
+public class LayerControllerTest {
+
+ /**
+ * Creates a Controller for a module layer containing modules m1 and m2.
+ * Module m1 contains p1, reads java.base, does not export/open any package
+ * Module m2 contains p2, reads java.base, does not export/open any package
+ */
+ private ModuleLayer.Controller createTestLayer() {
+ ModuleDescriptor descriptor1
+ = ModuleDescriptor.newModule("m1")
+ .packages(Set.of("p1"))
+ .requires("java.base")
+ .build();
+
+ ModuleDescriptor descriptor2
+ = ModuleDescriptor.newModule("m2")
+ .requires("java.base")
+ .packages(Set.of("p2"))
+ .build();
+
+ ModuleFinder finder = ModuleUtils.finderOf(descriptor1, descriptor2);
+ ModuleLayer bootLayer = ModuleLayer.boot();
+
+ Configuration cf = bootLayer.configuration()
+ .resolve(finder, ModuleFinder.of(), Set.of("m1", "m2"));
+
+ ClassLoader scl = ClassLoader.getSystemClassLoader();
+
+ ModuleLayer.Controller controller
+ = ModuleLayer.defineModulesWithOneLoader(cf, List.of(bootLayer), scl);
+
+ ModuleLayer layer = controller.layer();
+
+ assertTrue(layer.modules().size() == 2);
+ assertTrue(layer.findModule("m1").isPresent());
+ assertTrue(layer.findModule("m2").isPresent());
+
+ return controller;
+ }
+
+ /**
+ * Basic test of Controller to update modules m1 and m2 to read and
+ * open packages to each other.
+ */
+ public void testBasic() {
+ ModuleLayer.Controller controller = createTestLayer();
+ ModuleLayer layer = controller.layer();
+ Module m1 = layer.findModule("m1").orElseThrow(RuntimeException::new);
+ Module m2 = layer.findModule("m2").orElseThrow(RuntimeException::new);
+
+ assertFalse(m1.canRead(m2));
+ assertFalse(m1.isExported("p1"));
+ assertFalse(m1.isOpen("p1"));
+ assertFalse(m1.isExported("p1", m2));
+ assertFalse(m1.isOpen("p1", m2));
+
+ assertFalse(m2.canRead(m1));
+ assertFalse(m2.isExported("p2"));
+ assertFalse(m2.isOpen("p2"));
+ assertFalse(m2.isExported("p2", m1));
+ assertFalse(m2.isOpen("p2", m1));
+
+ // update m1 to read m2
+ assertTrue(controller.addReads(m1, m2) == controller);
+ assertTrue(m1.canRead(m2));
+ assertFalse(m2.canRead(m1));
+
+ // update m2 to read m1
+ assertTrue(controller.addReads(m2, m1) == controller);
+ assertTrue(m1.canRead(m2));
+ assertTrue(m1.canRead(m1));
+
+ // update m1 to open p1 to m2
+ assertTrue(controller.addOpens(m1, "p1", m2) == controller);
+ assertTrue(m1.isExported("p1", m2));
+ assertTrue(m1.isOpen("p1", m2));
+ assertFalse(m1.isExported("p1"));
+ assertFalse(m1.isOpen("p1"));
+
+ // update m2 to open p2 to m1
+ assertTrue(controller.addOpens(m2, "p2", m1) == controller);
+ assertTrue(m2.isExported("p2", m1));
+ assertTrue(m2.isOpen("p2", m1));
+ assertFalse(m2.isExported("p2"));
+ assertFalse(m2.isOpen("p2"));
+ }
+
+ /**
+ * Test invalid argument handling
+ */
+ public void testBadArguments() {
+ ModuleLayer.Controller controller = createTestLayer();
+ ModuleLayer layer = controller.layer();
+ Module m1 = layer.findModule("m1").orElseThrow(RuntimeException::new);
+ Module m2 = layer.findModule("m2").orElseThrow(RuntimeException::new);
+ Module base = Object.class.getModule();
+
+ // java.base is not in layer
+ try {
+ controller.addReads(base, m2);
+ assertTrue(false);
+ } catch (IllegalArgumentException expected) { }
+
+ // java.base is not in layer
+ try {
+ controller.addOpens(base, "java.lang", m2);
+ assertTrue(false);
+ } catch (IllegalArgumentException expected) { }
+
+ // m1 does not contain java.lang
+ try {
+ controller.addOpens(m1, "java.lang", m2);
+ assertTrue(false);
+ } catch (IllegalArgumentException expected) { }
+ }
+
+ /**
+ * Test null handling
+ */
+ public void testNulls() {
+ ModuleLayer.Controller controller = createTestLayer();
+ ModuleLayer layer = controller.layer();
+ Module m1 = layer.findModule("m1").orElseThrow(RuntimeException::new);
+ Module m2 = layer.findModule("m2").orElseThrow(RuntimeException::new);
+ assertTrue(m1 != null);
+ assertTrue(m2 != null);
+
+ try {
+ controller.addReads(null, m2);
+ assertTrue(false);
+ } catch (NullPointerException expected) { }
+
+ try {
+ controller.addReads(m1, null);
+ assertTrue(false);
+ } catch (NullPointerException expected) { }
+
+ try {
+ controller.addOpens(null, "p1", m2);
+ assertTrue(false);
+ } catch (NullPointerException expected) { }
+
+ try {
+ controller.addOpens(m1, null, m2);
+ assertTrue(false);
+ } catch (NullPointerException expected) { }
+
+ try {
+ controller.addOpens(m1, "p1", null);
+ assertTrue(false);
+ } catch (NullPointerException expected) { }
+ }
+}