object-introspection/test/integration/pointers_function.toml

includes = ["functional"]

definitions = '''
  void myFunction(int x) {
    (void)x;
  }

  // Put this function pointer inside a struct since the test framework doesn't
  // support the syntax required for passing raw function pointers as arguments
  struct FuncPtrStruct {
    void (*p)(int);
  };
'''

[cases]
  [cases.raw]
    oid_skip = "function pointers are not handled correctly" # https://github.com/facebookexperimental/object-introspection/issues/22
    param_types = ["const FuncPtrStruct&"]
    setup = "return {{myFunction}};"
    expect_json = '''[{
      "staticSize": 8,
      "dynamicSize": 0,
      "members": [{
        "typeName": "void (*)(int)",
        "staticSize": 8,
        "dynamicSize": 0,
        "NOT": {"pointer": 0},
        "NOT": "members"
      }]
    }]'''
  [cases.raw_chase] # We should never chase function pointers
    oid_skip = "function pointers are not handled correctly" # https://github.com/facebookexperimental/object-introspection/issues/22
    oil_disable = "oil can't chase raw pointers safely"
    param_types = ["const FuncPtrStruct&"]
    setup = "return {{myFunction}};"
    cli_options = ["-fchase-raw-pointers"]
    expect_json = '''[{
      "staticSize": 8,
      "dynamicSize": 0,
      "members": [{
        "typeName": "void (*)(int)",
        "staticSize": 8,
        "dynamicSize": 0,
        "NOT": {"pointer": 0},
        "NOT": "members"
      }]
    }]'''
  [cases.raw_null]
    oid_skip = "function pointers are not handled correctly" # https://github.com/facebookexperimental/object-introspection/issues/22
    param_types = ["const FuncPtrStruct&"]
    setup = "return {{nullptr}};"
    expect_json = '''[{
      "staticSize": 8,
      "dynamicSize": 0,
      "members": [{
        "typeName": "void (*)(int)",
        "staticSize": 8,
        "dynamicSize": 0,
        "pointer": 0,
        "NOT": "members"
      }]
    }]'''

  [cases.std_function]
    oid_skip = "function pointers are not handled correctly" # https://github.com/facebookexperimental/object-introspection/issues/22
    param_types = ["std::function<void(int)> &"]
    setup = "return myFunction;"
    expect_json = '''[{
      "typeName": "function<void (int)>",
      "staticSize": 32,
      "dynamicSize": 0,
      "NOT": {"pointer": 0},
      "NOT": "members"
    }]'''
  [cases.std_function_chase] # We should never chase function pointers
    oid_skip = "function pointers are not handled correctly" # https://github.com/facebookexperimental/object-introspection/issues/22
    oil_disable = "oil can't chase raw pointers safely"
    param_types = ["std::function<void(int)> &"]
    setup = "return myFunction;"
    cli_options = ["-fchase-raw-pointers"]
    expect_json = '''[{
      "typeName": "function<void (int)>",
      "staticSize": 32,
      "dynamicSize": 0,
      "NOT": {"pointer": 0},
      "NOT": "members"
    }]'''
  [cases.std_function_null]
    oid_skip = "function pointers are not handled correctly" # https://github.com/facebookexperimental/object-introspection/issues/22
    param_types = ["std::function<void(int)> &"]
    setup = "return nullptr;"
    expect_json = '''[{
      "typeName": "function<void (int)>",
      "staticSize": 32,
      "dynamicSize": 0,
      "pointer": 0,
      "NOT": "members"
    }]'''