# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1358238731 -3600
# Node ID 086c60adf08e2b3ca023fba3d6728c581c4f0a19
# Parent  84e6b97c468ca649faf55be1e09f621550a0feab
Detect attempts to get a class for invalid array signature

diff -r 84e6b97c468c -r 086c60adf08e emul/src/main/java/java/lang/Class.java
--- a/emul/src/main/java/java/lang/Class.java	Tue Jan 15 09:23:46 2013 +0100
+++ b/emul/src/main/java/java/lang/Class.java	Tue Jan 15 09:32:11 2013 +0100
@@ -147,7 +147,12 @@
     public static Class<?> forName(String className)
     throws ClassNotFoundException {
         if (className.startsWith("[")) {
-            return defineArray(className);
+            Class<?> arrType = defineArray(className);
+            Class<?> c = arrType;
+            while (c != null && c.isArray()) {
+                c = c.getComponentType0(); // verify component type is sane
+            }
+            return arrType;
         }
         Class<?> c = loadCls(className, className.replace('.', '_'));
         if (c == null) {
diff -r 84e6b97c468c -r 086c60adf08e vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java
--- a/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java	Tue Jan 15 09:23:46 2013 +0100
+++ b/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java	Tue Jan 15 09:32:11 2013 +0100
@@ -21,6 +21,8 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import org.apidesign.bck2brwsr.core.JavaScriptBody;
 import org.apidesign.bck2brwsr.vmtest.Compare;
 import org.apidesign.bck2brwsr.vmtest.VMTest;
@@ -118,6 +120,22 @@
     @Compare public String classForByte() throws Exception {
         return Class.forName("[Z").getName();
     }
+
+    @Compare public String classForUnknownArray() {
+        try {
+            return Class.forName("[W").getName();
+        } catch (Exception ex) {
+            return ex.getClass().getName();
+        }
+    }
+    
+    @Compare public String classForUnknownDeepArray() {
+        try {
+            return Class.forName("[[[[[W").getName();
+        } catch (Exception ex) {
+            return ex.getClass().getName();
+        }
+    }
     
     @Compare public String componentGetNameForObjectArray() {
         return (new Object[3]).getClass().getComponentType().getName();