message: Test parsing of negative integers
diff: @@ -61,6 +61,7 @@ bar=034
  baz=-0.23
  buzz=1E-34
  bazz=0b10101010110011
  +bizz=-1
  )__";
  constexpr const char* case3 = R"__("
  @@ -225,12 +226,13 @@ struct fixture {
  void check_case2() {
  CAF_CHECK(errors.empty());
  - CAF_CHECK(num_values() == 5);
  + CAF_CHECK(num_values() == 6);
  CAF_CHECK(value_is("test.foo", -0xff));
  CAF_CHECK(value_is("test.bar", 034));
  CAF_CHECK(value_is("test.baz", -0.23));
  CAF_CHECK(value_is("test.buzz", 1E-34));
  CAF_CHECK(value_is("test.bazz", 10931));
  + CAF_CHECK(value_is("test.bizz", -1));
  }
  void check_case3() {
  