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test/runtime/modules/JVMAddModuleExportsToAll.java

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  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, "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, "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) {


  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, "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 


  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) {


  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 
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