1 /* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.lang.reflect.Module; 25 import static jdk.test.lib.Asserts.*; 26 27 /* 28 * @test 29 * @modules java.base/jdk.internal.misc 30 * @library /test/lib .. 31 * @compile p2/c2.java 32 * @compile p1/c1.java 33 * @build sun.hotspot.WhiteBox 34 * @compile/module=java.base java/lang/reflect/ModuleHelper.java 35 * @run main ClassFileInstaller sun.hotspot.WhiteBox 36 * sun.hotspot.WhiteBox$WhiteBoxPermission 37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI JVMAddModuleExportsToAll 38 */ 39 40 public class JVMAddModuleExportsToAll { 41 42 // Test a series of error conditions for API JVM_AddModuleExportsToAll() 43 // and then test that a class in the unnamed module can access a package in 44 // a named module that has been exported unqualifiedly. 45 public static void main(String args[]) throws Throwable { 46 Object m1x, m2x, m3x; 47 48 // Get the java.lang.reflect.Module object for module java.base. 49 Class jlObject = Class.forName("java.lang.Object"); 50 Object jlObject_jlrM = jlObject.getModule(); 51 assertNotNull(jlObject_jlrM, "jlrModule object of java.lang.Object should not be null"); 52 53 // Get the class loader for JVMAddModuleExportsToAll and assume it's also used to 54 // load class p2.c2. 55 ClassLoader this_cldr = JVMAddModuleExportsToAll.class.getClassLoader(); 56 57 // Define a module for p3. 58 m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p3" }); 59 assertNotNull(m1x, "Module should not be null"); 60 ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/there", new String[] { "p3" }); 61 ModuleHelper.AddReadsModule(m1x, jlObject_jlrM); 62 63 // Define a module for p2. 64 m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" }); 65 assertNotNull(m2x, "Module should not be null"); 66 ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" }); 67 ModuleHelper.AddReadsModule(m2x, jlObject_jlrM); 68 69 try { 70 ModuleHelper.AddModuleExportsToAll((Module)null, "p2"); 71 throw new RuntimeException("Failed to get the expected NPE for null module"); 72 } catch(NullPointerException e) { 73 // Expected 74 } 75 76 try { 77 ModuleHelper.AddModuleExportsToAll(m2x, null); 78 throw new RuntimeException("Failed to get the expected NPE for null package"); 79 } catch(NullPointerException e) { 80 // Expected 81 } 82 83 try { // Expect IAE when passing a ClassLoader object instead of a java.lang.reflect.Module object. 84 ModuleHelper.AddModuleExportsToAll(this_cldr, "p2"); 85 throw new RuntimeException("Failed to get the expected IAE for bad module"); 86 } catch(IllegalArgumentException e) { 87 // Expected 88 } 89 90 try { 91 ModuleHelper.AddModuleExportsToAll(m2x, "p3"); 92 throw new RuntimeException("Failed to get the expected IAE for package that is in another module"); 93 } catch(IllegalArgumentException e) { 94 // Expected 95 } 96 97 try { 98 ModuleHelper.AddModuleExportsToAll(m2x, "p4"); 99 throw new RuntimeException("Failed to get the expected IAE for package not in any module"); 100 } catch(IllegalArgumentException e) { 101 // Expected 102 } 103 104 // Export package p2 in m2x unqualifiedly. Then, do a qualified export 105 // of p2 in m2x to m3x. This should not affect the unqualified export. 106 m3x = ModuleHelper.ModuleObject("module_three", this_cldr, new String[] { "p4" }); 107 assertNotNull(m3x, "Module m3x should not be null"); 108 ModuleHelper.DefineModule(m3x, false, "9.0", "m3x/there", new String[] { "p4" }); 109 ModuleHelper.AddModuleExportsToAll(m2x, "p2"); 110 ModuleHelper.AddModuleExports(m2x, "p2", m3x); 111 112 // p1.c1's ctor tries to call a method in p2.c2. This should succeed because 113 // p1 is in an unnamed module and p2.c2 is exported unqualifiedly. 114 Class p1_c1_class = Class.forName("p1.c1"); 115 try { 116 Object c1_obj = p1_c1_class.newInstance(); 117 } catch (IllegalAccessError f) { 118 throw new RuntimeException( 119 "Class in unnamed module could not access package p2 exported unqualifieldly"); 120 } 121 } 122 } 123