Issue 4086 - JsValue.isNumber() crashes

libadblockplus-android/jni/JniJsValue.cpp

Index: libadblockplus-android/jni/JniJsValue.cpp
===================================================================
--- a/libadblockplus-android/jni/JniJsValue.cpp
+++ b/libadblockplus-android/jni/JniJsValue.cpp
@@ -32,16 +32,25 @@
 {
   try
   {
     return JniGetJsValue(ptr)->IsNull() ? JNI_TRUE : JNI_FALSE;
   }
   CATCH_THROW_AND_RETURN(env, JNI_FALSE)
 }
 
+static jboolean JNICALL JniIsNumber(JNIEnv* env, jclass clazz, jlong ptr)
+{
+  try
+  {
+    return JniGetJsValue(ptr)->IsNumber() ? JNI_TRUE : JNI_FALSE;
+  }
+  CATCH_THROW_AND_RETURN(env, JNI_FALSE)
+}
+
 static jboolean JNICALL JniIsString(JNIEnv* env, jclass clazz, jlong ptr)
 {
   try
   {
     return JniGetJsValue(ptr)->IsString() ? JNI_TRUE : JNI_FALSE;
   }
   CATCH_THROW_AND_RETURN(env, JNI_FALSE)
 }
@@ -187,16 +196,17 @@
 //inline void SetProperty(const std::string& name, int val);
 //std::string GetClass() const;
 //JsValuePtr Call(const JsValueList& params = JsValueList(), AdblockPlus::JsValuePtr thisPtr = AdblockPlus::JsValuePtr()) const;
 
 static JNINativeMethod methods[] =
 {
   { (char*)"isUndefined", (char*)"(J)Z", (void*)JniIsUndefined },
   { (char*)"isNull", (char*)"(J)Z", (void*)JniIsNull },
+  { (char*)"isNumber", (char*)"(J)Z", (void*)JniIsNumber },
   { (char*)"isString", (char*)"(J)Z", (void*)JniIsString },
   { (char*)"isBoolean", (char*)"(J)Z", (void*)JniIsBoolean },
   { (char*)"isObject", (char*)"(J)Z", (void*)JniIsObject },
   { (char*)"isArray", (char*)"(J)Z", (void*)JniIsArray },
   { (char*)"isFunction", (char*)"(J)Z", (void*)JniIsFunction },
   { (char*)"asString", (char*)"(J)Ljava/lang/String;", (void*)JniAsString },
   { (char*)"asLong", (char*)"(J)J", (void*)JniAsLong },
   { (char*)"asBoolean", (char*)"(J)Z", (void*)JniAsBoolean },