IsNumberObject    946 include/v8.h     V8EXPORT bool IsNumberObject() const;
IsNumberObject   1072 test/cctest/test-api.cc   CHECK(boxed_number->IsNumberObject());
IsNumberObject   1074 test/cctest/test-api.cc   CHECK(!unboxed_number->IsNumberObject());
IsNumberObject   1076 test/cctest/test-api.cc   CHECK(!boxed_not_number->IsNumberObject());
IsNumberObject   1082 test/cctest/test-api.cc   CHECK(new_boxed_number->IsNumberObject());