diff -r 2adac52f955e -r e41809be6106 vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java	Sat Dec 29 19:46:09 2012 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java	Thu Jan 03 11:20:40 2013 +0100
@@ -48,25 +48,25 @@
         assertEquals(Classes.classForInstance(), "java.io.IOException");
     }
     @Test public void jsInstanceName() throws Exception {
-        assertExec("I/O name", Classes.class, "classForInstance__Ljava_lang_String_2", "java.io.IOException");
+        assertExec("I/O name", Classes.class, "classForInstance__s", "java.io.IOException");
     }
     @Test public void javaName() throws Exception {
         assertEquals(Classes.name(), "java.io.IOException");
     }
     @Test public void jsName() throws Exception {
-        assertExec("I/O name", Classes.class, "name__Ljava_lang_String_2", "java.io.IOException");
+        assertExec("I/O name", Classes.class, "name__s", "java.io.IOException");
     }
     @Test public void javaSimpleName() throws Exception {
         assertEquals(Classes.simpleName(), "IOException");
     }
     @Test public void jsGetsSimpleName() throws Exception {
-        assertExec("I/O simple name", Classes.class, "simpleName__Ljava_lang_String_2", "IOException");
+        assertExec("I/O simple name", Classes.class, "simpleName__s", "IOException");
     }
     @Test public void javaCanonicalName() {
         assertEquals(Classes.canonicalName(), "java.io.IOException");
     }
     @Test public void jsCanonicalName() throws Exception {
-        assertExec("I/O simple name", Classes.class, "canonicalName__Ljava_lang_String_2", "java.io.IOException");
+        assertExec("I/O simple name", Classes.class, "canonicalName__s", "java.io.IOException");
     }
     @Test public void javaNewInstance() throws Exception {
         assertTrue(Classes.newInstance());
@@ -80,7 +80,7 @@
         );
     }
     @Test public void jsNoNewInstance() throws Exception {
-        assertExec("Check problems with new instance", Classes.class, "newInstanceNoPubConstructor__Ljava_lang_String_2", 
+        assertExec("Check problems with new instance", Classes.class, "newInstanceNoPubConstructor__s", 
             "java.lang.InstantiationException:java.lang.Float"
         );
     }
@@ -88,17 +88,17 @@
         assertExec("Check class annotation", Classes.class, "getMarker__I", Double.valueOf(10));
     }
     @Test public void jsStringAnnotation() throws Exception {
-        assertExec("Check class annotation", Classes.class, "getNamer__Ljava_lang_String_2Z", "my text", true);
+        assertExec("Check class annotation", Classes.class, "getNamer__sZ", "my text", true);
     }
     @Test public void jsStringAnnotationFromArray() throws Exception {
-        assertExec("Check class annotation", Classes.class, "getNamer__Ljava_lang_String_2Z", "my text", false);
+        assertExec("Check class annotation", Classes.class, "getNamer__sZ", "my text", false);
     }
     @Test public void javaInvokeMethod() throws Exception {
         assertEquals(Classes.reflectiveMethodCall(true, "name"), "java.io.IOException", "Calls the name() method via reflection");
     }
     @Test public void jsInvokeMethod() throws Exception {
         assertExec("Calls the name() method via reflection", Classes.class, 
-            "reflectiveMethodCall__Ljava_lang_Object_2ZLjava_lang_String_2", 
+            "reflectiveMethodCall__Ljava_lang_Object_2Zs", 
             "java.io.IOException", true, "name"
         );
     }
@@ -107,19 +107,19 @@
     }
     @Test public void jsFindMethod() throws Exception {
         assertExec("Calls the name() method via reflection", Classes.class, 
-            "reflectiveMethodCall__Ljava_lang_Object_2ZLjava_lang_String_2", 
+            "reflectiveMethodCall__Ljava_lang_Object_2Zs", 
             "java.io.IOException", false, "name"
         );
     }
     @Test public void primitiveReturnType() throws Exception {
         assertExec("Tries to get an integer via reflection", Classes.class, 
-            "primitiveType__Ljava_lang_String_2Ljava_lang_String_2", 
+            "primitiveType__ss", 
             Classes.primitiveType("primitive"), "primitive"
         );
     }
     @Test public void primitiveBoolReturnType() throws Exception {
         assertExec("Tries to get an integer via reflection", Classes.class, 
-            "primitiveType__Ljava_lang_String_2Ljava_lang_String_2", 
+            "primitiveType__ss", 
             Classes.primitiveType("primitiveB"), "primitiveB"
         );
     }
@@ -128,33 +128,33 @@
     }
     @Test public void jsAnnotatedMethod() throws Exception {
         assertExec("Calls the name() method via reflection", Classes.class, 
-            "reflectiveMethodCall__Ljava_lang_Object_2ZLjava_lang_String_2", 
+            "reflectiveMethodCall__Ljava_lang_Object_2Zs", 
             "java.io.IOException", false, null
         );
     }
     @Test public void jsClassParam() throws Exception {
         assertExec("Calls the nameOfIO()", Classes.class, 
-            "nameOfIO__Ljava_lang_String_2", 
+            "nameOfIO__s", 
             "java.io.IOException"
         );
     }
     @Test public void noInterface() throws Exception {
         assertExec("Calls Class.isInterface", Classes.class, 
-            "isInterface__ZLjava_lang_String_2", 
+            "isInterface__Zs", 
             0.0, "java.lang.String"
         );
     }
     /*
     @Test public void isInterface() throws Exception {
         assertExec("Calls Class.isInterface", Classes.class, 
-            "isInterface__ZLjava_lang_String_2", 
+            "isInterface__Zs", 
             1.0, "java.lang.Runnable"
         );
     }
     */
     @Test public void integerType() throws Exception {
         assertExec("Computes the type", Classes.class, 
-            "intType__Ljava_lang_String_2", 
+            "intType__s", 
             Classes.intType()
         );
     }