< prev index next >

test/runtime/modules/JVMAddModuleExportsToAll.java

Print this page




  39 public class JVMAddModuleExportsToAll {
  40 
  41     // Test a series of error conditions for API JVM_AddModuleExportsToAll()
  42     // and then test that a class in the unnamed module can access a package in
  43     // a named module that has been exported unqualifiedly.
  44     public static void main(String args[]) throws Throwable {
  45         Object m1x, m2x, m3x;
  46 
  47         // Get the java.lang.Module object for module java.base.
  48         Class jlObject = Class.forName("java.lang.Object");
  49         Object jlObject_jlM = jlObject.getModule();
  50         assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
  51 
  52         // Get the class loader for JVMAddModuleExportsToAll and assume it's also used to
  53         // load class p2.c2.
  54         ClassLoader this_cldr = JVMAddModuleExportsToAll.class.getClassLoader();
  55 
  56         // Define a module for p3.
  57         m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p3" });
  58         assertNotNull(m1x, "Module should not be null");
  59         ModuleHelper.DefineModule(m1x, "9.0", "m1x/there", new String[] { "p3" });
  60         ModuleHelper.AddReadsModule(m1x, jlObject_jlM);
  61 
  62         // Define a module for p2.
  63         m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
  64         assertNotNull(m2x, "Module should not be null");
  65         ModuleHelper.DefineModule(m2x, "9.0", "m2x/there", new String[] { "p2" });
  66         ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
  67 
  68         try {
  69             ModuleHelper.AddModuleExportsToAll((Module)null, "p2");
  70             throw new RuntimeException("Failed to get the expected NPE for null module");
  71         } catch(NullPointerException e) {
  72             // Expected
  73         }
  74 
  75         try {
  76             ModuleHelper.AddModuleExportsToAll(m2x, null);
  77             throw new RuntimeException("Failed to get the expected NPE for null package");
  78         } catch(NullPointerException e) {
  79             // Expected
  80         }
  81 
  82         try { // Expect IAE when passing a ClassLoader object instead of a java.lang.Module object.
  83             ModuleHelper.AddModuleExportsToAll(this_cldr, "p2");
  84             throw new RuntimeException("Failed to get the expected IAE for bad module");
  85         } catch(IllegalArgumentException e) {


  87         }
  88 
  89         try {
  90             ModuleHelper.AddModuleExportsToAll(m2x, "p3");
  91             throw new RuntimeException("Failed to get the expected IAE for package that is in another module");
  92         } catch(IllegalArgumentException e) {
  93             // Expected
  94         }
  95 
  96         try {
  97             ModuleHelper.AddModuleExportsToAll(m2x, "p4");
  98             throw new RuntimeException("Failed to get the expected IAE for package not in any module");
  99         } catch(IllegalArgumentException e) {
 100             // Expected
 101         }
 102 
 103         // Export package p2 in m2x unqualifiedly. Then, do a qualified export
 104         // of p2 in m2x to m3x.  This should not affect the unqualified export.
 105         m3x = ModuleHelper.ModuleObject("module_three", this_cldr, new String[] { "p4" });
 106         assertNotNull(m3x, "Module m3x should not be null");
 107         ModuleHelper.DefineModule(m3x, "9.0", "m3x/there", new String[] { "p4" });
 108         ModuleHelper.AddModuleExportsToAll(m2x, "p2");
 109         ModuleHelper.AddModuleExports(m2x, "p2", m3x);
 110 
 111         // p1.c1's ctor tries to call a method in p2.c2.  This should succeed because
 112         // p1 is in an unnamed module and p2.c2 is exported unqualifiedly.
 113         Class p1_c1_class = Class.forName("p1.c1");
 114         try {
 115             Object c1_obj = p1_c1_class.newInstance();
 116         } catch (IllegalAccessError f) {
 117             throw new RuntimeException(
 118                 "Class in unnamed module could not access package p2 exported unqualifieldly");
 119         }
 120     }
 121 }
 122 


  39 public class JVMAddModuleExportsToAll {
  40 
  41     // Test a series of error conditions for API JVM_AddModuleExportsToAll()
  42     // and then test that a class in the unnamed module can access a package in
  43     // a named module that has been exported unqualifiedly.
  44     public static void main(String args[]) throws Throwable {
  45         Object m1x, m2x, m3x;
  46 
  47         // Get the java.lang.Module object for module java.base.
  48         Class jlObject = Class.forName("java.lang.Object");
  49         Object jlObject_jlM = jlObject.getModule();
  50         assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
  51 
  52         // Get the class loader for JVMAddModuleExportsToAll and assume it's also used to
  53         // load class p2.c2.
  54         ClassLoader this_cldr = JVMAddModuleExportsToAll.class.getClassLoader();
  55 
  56         // Define a module for p3.
  57         m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p3" });
  58         assertNotNull(m1x, "Module should not be null");
  59         ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/there", new String[] { "p3" });
  60         ModuleHelper.AddReadsModule(m1x, jlObject_jlM);
  61 
  62         // Define a module for p2.
  63         m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
  64         assertNotNull(m2x, "Module should not be null");
  65         ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" });
  66         ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
  67 
  68         try {
  69             ModuleHelper.AddModuleExportsToAll((Module)null, "p2");
  70             throw new RuntimeException("Failed to get the expected NPE for null module");
  71         } catch(NullPointerException e) {
  72             // Expected
  73         }
  74 
  75         try {
  76             ModuleHelper.AddModuleExportsToAll(m2x, null);
  77             throw new RuntimeException("Failed to get the expected NPE for null package");
  78         } catch(NullPointerException e) {
  79             // Expected
  80         }
  81 
  82         try { // Expect IAE when passing a ClassLoader object instead of a java.lang.Module object.
  83             ModuleHelper.AddModuleExportsToAll(this_cldr, "p2");
  84             throw new RuntimeException("Failed to get the expected IAE for bad module");
  85         } catch(IllegalArgumentException e) {


  87         }
  88 
  89         try {
  90             ModuleHelper.AddModuleExportsToAll(m2x, "p3");
  91             throw new RuntimeException("Failed to get the expected IAE for package that is in another module");
  92         } catch(IllegalArgumentException e) {
  93             // Expected
  94         }
  95 
  96         try {
  97             ModuleHelper.AddModuleExportsToAll(m2x, "p4");
  98             throw new RuntimeException("Failed to get the expected IAE for package not in any module");
  99         } catch(IllegalArgumentException e) {
 100             // Expected
 101         }
 102 
 103         // Export package p2 in m2x unqualifiedly. Then, do a qualified export
 104         // of p2 in m2x to m3x.  This should not affect the unqualified export.
 105         m3x = ModuleHelper.ModuleObject("module_three", this_cldr, new String[] { "p4" });
 106         assertNotNull(m3x, "Module m3x should not be null");
 107         ModuleHelper.DefineModule(m3x, false, "9.0", "m3x/there", new String[] { "p4" });
 108         ModuleHelper.AddModuleExportsToAll(m2x, "p2");
 109         ModuleHelper.AddModuleExports(m2x, "p2", m3x);
 110 
 111         // p1.c1's ctor tries to call a method in p2.c2.  This should succeed because
 112         // p1 is in an unnamed module and p2.c2 is exported unqualifiedly.
 113         Class p1_c1_class = Class.forName("p1.c1");
 114         try {
 115             Object c1_obj = p1_c1_class.newInstance();
 116         } catch (IllegalAccessError f) {
 117             throw new RuntimeException(
 118                 "Class in unnamed module could not access package p2 exported unqualifieldly");
 119         }
 120     }
 121 }
 122 
< prev index next >