40 41 // Check that a package can not be exported unqualifiedly, and then exported 42 // to a specific package. 43 // Also, check that a package can be exported to a specific package and then 44 // exported unqualifiedly. 45 public static void main(String args[]) throws Throwable { 46 Object m1x, m2x, m3x; 47 48 // Get the java.lang.Module object for module java.base. 49 Class jlObject = Class.forName("java.lang.Object"); 50 Object jlObject_jlM = jlObject.getModule(); 51 assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null"); 52 53 // Get the class loader for ExportTwice and assume it's also used to 54 // load classes p1.c1 and p2.c2. 55 ClassLoader this_cldr = ExportTwice.class.getClassLoader(); 56 57 // Define a module for p1. 58 m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p1" }); 59 assertNotNull(m1x, "Module should not be null"); 60 ModuleHelper.DefineModule(m1x, "9.0", "m1x/here", new String[] { "p1" }); 61 ModuleHelper.AddReadsModule(m1x, jlObject_jlM); 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, "9.0", "m2x/there", new String[] { "p2" }); 67 ModuleHelper.AddReadsModule(m2x, jlObject_jlM); 68 69 // Define a module for p3. 70 m3x = ModuleHelper.ModuleObject("module_three", this_cldr, new String[] { "p3" }); 71 assertNotNull(m3x, "Module should not be null"); 72 ModuleHelper.DefineModule(m3x, "9.0", "m3x/there", new String[] { "p3" }); 73 ModuleHelper.AddReadsModule(m3x, jlObject_jlM); 74 75 // Make package p1 in m1x visible to everyone. 76 ModuleHelper.AddModuleExportsToAll(m1x, "p1"); 77 78 // Try to export p1 only to m2x after it was exported unqualifiedly. It 79 // should silently succeed. 80 ModuleHelper.AddModuleExports(m1x, "p1", m2x); 81 82 // Export p2 to m3x then export it again unqualifiedly. 83 ModuleHelper.AddModuleExports(m2x, "p2", m3x); 84 ModuleHelper.AddModuleExportsToAll(m2x, "p2"); 85 86 // p1.c1's ctor tries to call a method in p2.c2. This should work because 87 // p1's module can read p2's module and p2 is now exported unqualifiedly. 88 ModuleHelper.AddReadsModule(m1x, m2x); 89 Class p1_c1_class = Class.forName("p1.c1"); 90 p1_c1_class.newInstance(); 91 } 92 } | 40 41 // Check that a package can not be exported unqualifiedly, and then exported 42 // to a specific package. 43 // Also, check that a package can be exported to a specific package and then 44 // exported unqualifiedly. 45 public static void main(String args[]) throws Throwable { 46 Object m1x, m2x, m3x; 47 48 // Get the java.lang.Module object for module java.base. 49 Class jlObject = Class.forName("java.lang.Object"); 50 Object jlObject_jlM = jlObject.getModule(); 51 assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null"); 52 53 // Get the class loader for ExportTwice and assume it's also used to 54 // load classes p1.c1 and p2.c2. 55 ClassLoader this_cldr = ExportTwice.class.getClassLoader(); 56 57 // Define a module for p1. 58 m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p1" }); 59 assertNotNull(m1x, "Module should not be null"); 60 ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/here", new String[] { "p1" }); 61 ModuleHelper.AddReadsModule(m1x, jlObject_jlM); 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_jlM); 68 69 // Define a module for p3. 70 m3x = ModuleHelper.ModuleObject("module_three", this_cldr, new String[] { "p3" }); 71 assertNotNull(m3x, "Module should not be null"); 72 ModuleHelper.DefineModule(m3x, false, "9.0", "m3x/there", new String[] { "p3" }); 73 ModuleHelper.AddReadsModule(m3x, jlObject_jlM); 74 75 // Make package p1 in m1x visible to everyone. 76 ModuleHelper.AddModuleExportsToAll(m1x, "p1"); 77 78 // Try to export p1 only to m2x after it was exported unqualifiedly. It 79 // should silently succeed. 80 ModuleHelper.AddModuleExports(m1x, "p1", m2x); 81 82 // Export p2 to m3x then export it again unqualifiedly. 83 ModuleHelper.AddModuleExports(m2x, "p2", m3x); 84 ModuleHelper.AddModuleExportsToAll(m2x, "p2"); 85 86 // p1.c1's ctor tries to call a method in p2.c2. This should work because 87 // p1's module can read p2's module and p2 is now exported unqualifiedly. 88 ModuleHelper.AddReadsModule(m1x, m2x); 89 Class p1_c1_class = Class.forName("p1.c1"); 90 p1_c1_class.newInstance(); 91 } 92 } |