#data
interface A {
  void foo ();
};
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "": {
            "args": [],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo ();
  long foo (DOMString a);
};
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overloaded": 1,
        "overload_set": {
          "": {
            "args": [],
            "type": "void"
          },
          "DOMString": {
            "args": [{"name": "a", "type": "DOMString", "optionality": "required"}],
            "type": "long"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo ();
  long foo ();
};
#errors
1;31;webidl:not distinguishable;;;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overloaded": 1,
        "overload_set": {
          "": {
            "args": [],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (long bar);
  long foo (optional long baz);
};
#errors
1;39;webidl:not distinguishable;;long;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overloaded": 1,
        "overload_set": {
          "": {
            "args": [],
            "type": "long"
          },
          "long": {
            "args": [{"name": "bar", "type": "long", "optionality": "required"}],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (long bar);
};
partial interface A {
  long foo (optional A baz);
};
#errors
1;64;webidl:duplicate;;foo;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "long": {
            "args": [{"name": "bar", "type": "long", "optionality": "required"}],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (long bar, long baz, long abc);
};
#errors
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "long,long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "required"},
              {"name": "abc", "type": "long", "optionality": "required"}
            ],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (long bar, long baz, optional long abc);
};
#errors
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "required"}
            ],
            "type": "void"
          },
          "long,long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "required"},
              {"name": "abc", "type": "long", "optionality": "optional"}
            ],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (long bar, optional long baz, long abc);
};
#errors
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "long,long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "optional"},
              {"name": "abc", "type": "long", "optionality": "required"}
            ],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (long bar, long baz, long... abc);
};
#errors
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "required"}
            ],
            "type": "void"
          },
          "long,long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "required"},
              {"name": "abc", "type": "long", "optionality": "variadic"}
            ],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (long bar, optional long baz, long... abc);
};
#errors
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"}
            ],
            "type": "void"
          },
          "long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "optional"}
            ],
            "type": "void"
          },
          "long,long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "required"},
              {"name": "baz", "type": "long", "optionality": "optional"},
              {"name": "abc", "type": "long", "optionality": "variadic"}
            ],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (optional long bar, optional long baz, long... abc);
};
#errors
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "": {
            "args": [],
            "type": "void"
          },
          "long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "optional"}
            ],
            "type": "void"
          },
          "long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "optional"},
              {"name": "baz", "type": "long", "optionality": "optional"}
            ],
            "type": "void"
          },
          "long,long,long": {
            "args": [
              {"name": "bar", "type": "long", "optionality": "optional"},
              {"name": "baz", "type": "long", "optionality": "optional"},
              {"name": "abc", "type": "long", "optionality": "variadic"}
            ],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo ( long... abc);
};
#errors
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "": {
            "args": [],
            "type": "void"
          },
          "long": {
            "args": [
              {"name": "abc", "type": "long", "optionality": "variadic"}
            ],
            "type": "void"
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo ();
  attribute DOMString foo;
};
#errors
1;16;webidl:duplicate;;foo;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {
        "getter": 1, "setter": 1,
        "type": "DOMString"
      }]
    }
  }]
}

#data
interface A {
  attribute DOMString foo;
  void foo ();
};
#errors
1;43;webidl:duplicate;;foo;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {
        "getter": 1, "setter": 1,
        "type": "DOMString"
      }]
    }
  }]
}

#data
interface A {
  void foo (long... a, long b);
};
#errors
1;26;webidl:bad optionality;;a;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "long,long": {
            "type": "void",
            "args": [{"type": "long", "name": "a", "optionality": "required"},
                     {"type": "long", "name": "b", "optionality": "required"}]
          }
        }
      }]
    }
  }]
}

#data
interface A {
  void foo (optional long... a);
};
#errors
1;39;webidl:parse error;long, ;;m
#processed
{}

#data
interface A {
  void foo (long... a = 133);
};
#errors
1;36;webidl:parse error;,, ;;m
#processed
{}

#data
dictionary Dict  { };
interface A {
  void foo (optional Dict a = {});
};
#processed
{
  "Dict": ["dictionary", {
    "members": {}
  }],
  "A": ["interface", {
    "members": {
      "foo": ["operation", {
        "overload_set": {
          "": {
            "type": "void",
            "args": []
          },
          "ref[Dict]": {
            "type": "void",
            "args": [{"type": ["ref_dictionary", "Dict"],
                      "name": "a", "optionality": "optional",
                      "value": ["dictionary_value", {}]}]
          }
        }
      }]
    }
  }]
}