88 loaders[i] = null;
89 }
90
91 System.gc();
92
93 report("After releasing second half of class loaders: ");
94
95 // The garbage collector in Tiger actually has reclaimed all class
96 // loaders at this point, but in order not to become too dependent
97 // on the current behavior, we only require that the first half
98 // has been reclaimed.
99 if (countLoaders(0, CLASS_LOADER_COUNT / 2) > 0) {
100 throw new RuntimeException("Too many class loaders not reclaimed yet.");
101 }
102 }
103
104 private static void report(String when) throws Exception {
105 int first = countLoaders(0, CLASS_LOADER_COUNT / 2);
106 int second = countLoaders(CLASS_LOADER_COUNT / 2, CLASS_LOADER_COUNT);
107
108 Class clazz = ResourceBundle.class;
109 Field cacheList = clazz.getDeclaredField("cacheList");
110 cacheList.setAccessible(true);
111 int cacheSize = ((Map)cacheList.get(clazz)).size();
112
113 System.out.println(when);
114 System.out.println(" " + first + " loaders alive in first half");
115 System.out.println(" " + second + " loaders alive in second half");
116 System.out.println(" " + cacheSize + " entries in resource bundle cache");
117 }
118
119 private static void loadBundles(int start, int end) throws Exception {
120 for (int i = start; i < end; i++) {
121 // There's no resource bundle for NonExistantBundle - this
122 // let's us test the case where a resource bundle is not found,
123 // which in the past created a SoftReference on the value side
124 // of the cache.
125 try {
126 ResourceBundle.getBundle("NonExistantBundle", Locale.US, loaders[i]);
127 } catch (MissingResourceException e) {
128 }
129 // There's a base resource bundle for ReferencesTestBundle - the
130 // normal case.
131 ResourceBundle.getBundle("ReferencesTestBundle", Locale.US, loaders[i]);
132 }
133 }
134
135 private static int countLoaders(int start, int end) {
136 int count = 0;
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88 loaders[i] = null;
89 }
90
91 System.gc();
92
93 report("After releasing second half of class loaders: ");
94
95 // The garbage collector in Tiger actually has reclaimed all class
96 // loaders at this point, but in order not to become too dependent
97 // on the current behavior, we only require that the first half
98 // has been reclaimed.
99 if (countLoaders(0, CLASS_LOADER_COUNT / 2) > 0) {
100 throw new RuntimeException("Too many class loaders not reclaimed yet.");
101 }
102 }
103
104 private static void report(String when) throws Exception {
105 int first = countLoaders(0, CLASS_LOADER_COUNT / 2);
106 int second = countLoaders(CLASS_LOADER_COUNT / 2, CLASS_LOADER_COUNT);
107
108 System.out.println(when);
109 System.out.println(" " + first + " loaders alive in first half");
110 System.out.println(" " + second + " loaders alive in second half");
111 }
112
113 private static void loadBundles(int start, int end) throws Exception {
114 for (int i = start; i < end; i++) {
115 // There's no resource bundle for NonExistantBundle - this
116 // let's us test the case where a resource bundle is not found,
117 // which in the past created a SoftReference on the value side
118 // of the cache.
119 try {
120 ResourceBundle.getBundle("NonExistantBundle", Locale.US, loaders[i]);
121 } catch (MissingResourceException e) {
122 }
123 // There's a base resource bundle for ReferencesTestBundle - the
124 // normal case.
125 ResourceBundle.getBundle("ReferencesTestBundle", Locale.US, loaders[i]);
126 }
127 }
128
129 private static int countLoaders(int start, int end) {
130 int count = 0;
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