45 import java.util.Map; |
45 import java.util.Map; |
46 import java.util.Set; |
46 import java.util.Set; |
47 import myloaders.MyDiffClassLoader; |
47 import myloaders.MyDiffClassLoader; |
48 |
48 |
49 // |
49 // |
50 // ClassLoader1 --> defines m1 --> packages p1 |
50 // ClassLoader1 --> defines m1x --> packages p1 |
51 // ClassLoader2 --> defines m2 --> packages p2 |
51 // ClassLoader2 --> defines m2x --> packages p2 |
52 // defines m3 --> packages p3 |
52 // defines m3x --> packages p3 |
53 // |
53 // |
54 // m1 can not read m2 |
54 // m1x can not read m2x |
55 // package p2 in m2 is exported to m1 |
55 // package p2 in m2x is exported to m1x |
56 // |
56 // |
57 // class p1.c1 defined in m1 tries to access p2.c2 defined in m2. |
57 // class p1.c1 defined in m1x tries to access p2.c2 defined in m2x. |
58 // Access denied since m1 can not read m2. |
58 // Access denied since m1x can not read m2x. |
59 // |
59 // |
60 public class DiffCL_CheckRead { |
60 public class DiffCL_CheckRead { |
61 |
61 |
62 // Create a Layer over the boot layer. |
62 // Create a Layer over the boot layer. |
63 // Define modules within this layer to test access between |
63 // Define modules within this layer to test access between |
64 // publicly defined classes within packages of those modules. |
64 // publicly defined classes within packages of those modules. |
65 public void createLayerOnBoot() throws Throwable { |
65 public void createLayerOnBoot() throws Throwable { |
66 |
66 |
67 // Define module: m1 |
67 // Define module: m1x |
68 // Can read: java.base, m3 |
68 // Can read: java.base, m3x |
69 // Packages: p1 |
69 // Packages: p1 |
70 // Packages exported: p1 is exported unqualifiedly |
70 // Packages exported: p1 is exported unqualifiedly |
71 ModuleDescriptor descriptor_m1 = |
71 ModuleDescriptor descriptor_m1x = |
72 ModuleDescriptor.module("m1") |
72 ModuleDescriptor.newModule("m1x") |
73 .requires("java.base") |
73 .requires("java.base") |
74 .requires("m3") |
74 .requires("m3x") |
75 .exports("p1") |
75 .exports("p1") |
76 .build(); |
76 .build(); |
77 |
77 |
78 // Define module: m2 |
78 // Define module: m2x |
79 // Can read: java.base |
79 // Can read: java.base |
80 // Packages: p2 |
80 // Packages: p2 |
81 // Packages exported: p2 is exported to m1 |
81 // Packages exported: p2 is exported to m1x |
82 ModuleDescriptor descriptor_m2 = |
82 ModuleDescriptor descriptor_m2x = |
83 ModuleDescriptor.module("m2") |
83 ModuleDescriptor.newModule("m2x") |
84 .requires("java.base") |
84 .requires("java.base") |
85 .exports("p2", Set.of("m1")) |
85 .exports("p2", Set.of("m1x")) |
86 .build(); |
86 .build(); |
87 |
87 |
88 // Define module: m3 |
88 // Define module: m3x |
89 // Can read: java.base, m2 |
89 // Can read: java.base, m2x |
90 // Packages: p3 |
90 // Packages: p3 |
91 // Packages exported: none |
91 // Packages exported: none |
92 ModuleDescriptor descriptor_m3 = |
92 ModuleDescriptor descriptor_m3x = |
93 ModuleDescriptor.module("m3") |
93 ModuleDescriptor.newModule("m3x") |
94 .requires("java.base") |
94 .requires("java.base") |
95 .requires("m2") |
95 .requires("m2x") |
96 .contains("p3") |
96 .packages(Set.of("p3")) |
97 .build(); |
97 .build(); |
98 |
98 |
99 // Set up a ModuleFinder containing all modules for this layer. |
99 // Set up a ModuleFinder containing all modules for this layer. |
100 ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2, descriptor_m3); |
100 ModuleFinder finder = ModuleLibrary.of(descriptor_m1x, descriptor_m2x, descriptor_m3x); |
101 |
101 |
102 // Resolves "m1" |
102 // Resolves "m1x" |
103 Configuration cf = Layer.boot() |
103 Configuration cf = Layer.boot() |
104 .configuration() |
104 .configuration() |
105 .resolveRequires(finder, ModuleFinder.of(), Set.of("m1")); |
105 .resolve(finder, ModuleFinder.of(), Set.of("m1x")); |
106 |
106 |
107 // map each module to differing class loaders for this test |
107 // map each module to differing class loaders for this test |
108 Map<String, ClassLoader> map = new HashMap<>(); |
108 Map<String, ClassLoader> map = new HashMap<>(); |
109 map.put("m1", MyDiffClassLoader.loader1); |
109 map.put("m1x", MyDiffClassLoader.loader1); |
110 map.put("m2", MyDiffClassLoader.loader2); |
110 map.put("m2x", MyDiffClassLoader.loader2); |
111 map.put("m3", MyDiffClassLoader.loader2); |
111 map.put("m3x", MyDiffClassLoader.loader2); |
112 |
112 |
113 // Create Layer that contains m1, m2 and m3 |
113 // Create Layer that contains m1x, m2x and m3x |
114 Layer layer = Layer.boot().defineModules(cf, map::get); |
114 Layer layer = Layer.boot().defineModules(cf, map::get); |
115 |
115 |
116 assertTrue(layer.findLoader("m1") == MyDiffClassLoader.loader1); |
116 assertTrue(layer.findLoader("m1x") == MyDiffClassLoader.loader1); |
117 assertTrue(layer.findLoader("m2") == MyDiffClassLoader.loader2); |
117 assertTrue(layer.findLoader("m2x") == MyDiffClassLoader.loader2); |
118 assertTrue(layer.findLoader("m3") == MyDiffClassLoader.loader2); |
118 assertTrue(layer.findLoader("m3x") == MyDiffClassLoader.loader2); |
119 assertTrue(layer.findLoader("java.base") == null); |
119 assertTrue(layer.findLoader("java.base") == null); |
120 |
120 |
121 // now use the same loader to load class p1.c1 |
121 // now use the same loader to load class p1.c1 |
122 Class p1_c1_class = MyDiffClassLoader.loader1.loadClass("p1.c1"); |
122 Class p1_c1_class = MyDiffClassLoader.loader1.loadClass("p1.c1"); |
123 try { |
123 try { |
124 p1_c1_class.newInstance(); |
124 p1_c1_class.newInstance(); |
125 throw new RuntimeException("Failed to get IAE (p2 in m2 is exported to m1 but m2 is not readable from m1)"); |
125 throw new RuntimeException("Failed to get IAE (p2 in m2x is exported to m1x but m2x is not readable from m1x)"); |
126 } catch (IllegalAccessError e) { |
126 } catch (IllegalAccessError e) { |
127 System.out.println(e.getMessage()); |
127 System.out.println(e.getMessage()); |
128 if (!e.getMessage().contains("cannot access")) { |
128 if (!e.getMessage().contains("cannot access")) { |
129 throw new RuntimeException("Wrong message: " + e.getMessage()); |
129 throw new RuntimeException("Wrong message: " + e.getMessage()); |
130 } |
130 } |