definitions = '''
  struct Single {
    int bitfield : 3;
  };

  struct WithinBytes {
    char a : 3;
    char b : 5;
    char c : 7;
  };

  struct StraddleBytes {
    char a : 7;
    char b : 7;
    char c : 2;
  };

  struct Mixed {
    int a;
    char b : 4;
    short c : 12;
    char d;
    int e : 22;
  };

  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wbitfield-width"
  // The bitfield will max out at the size of its type. Extra bits act as padding.
  struct MoreBitsThanType {
    char a : 29;
  };
  #pragma clang diagnostic pop

  // A zero-sized bitfield adds default padding between neighbouring bitfields
  struct ZeroBits {
    char b1 : 3;
    char : 0;
    char b2 : 2;
  };

  enum class MyEnum {
    One,
    Two,
    Three,
  };

  struct Enum {
    MyEnum e : 2;
    MyEnum f : 4;
  };
'''
# TODO The sizes do not take bitfields into account. They count each field as
# if they were regular primitives.
[cases]
  [cases.single]
    
    oil_skip = "not implemented"
    param_types = ["Single&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize":4, "dynamicSize":0, "exclusiveSize":0, "members":[
        {"staticSize":4, "dynamicSize":0, "exclusiveSize":4}
    ]}]'''
  [cases.within_bytes]
    
    oil_skip = "not implemented"
    param_types = ["WithinBytes&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize":2, "dynamicSize":0, "exclusiveSize":0, "members":[
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1}
    ]}]'''
  [cases.straddle_bytes]
    
    oil_skip = "not implemented"
    param_types = ["StraddleBytes&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize":3, "dynamicSize":0, "exclusiveSize":0, "members":[
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1}
    ]}]'''
  [cases.mixed]
    
    oil_skip = "not implemented"
    param_types = ["Mixed&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize":12, "dynamicSize":0, "exclusiveSize":0, "members":[
        {"staticSize":4, "dynamicSize":0, "exclusiveSize":4},
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
        {"staticSize":2, "dynamicSize":0, "exclusiveSize":2},
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
        {"staticSize":4, "dynamicSize":0, "exclusiveSize":4}
    ]}]'''
  [cases.more_bits_than_type] # TODO member sizes are wrong
    skip = "drgn errors out"
    
    oil_skip = "not implemented"
    param_types = ["MoreBitsThanType&"]
    setup = "return {};"
    expect_json = '"TODO"'
  [cases.zero_bits]
    
    oil_skip = "not implemented"
    param_types = ["ZeroBits&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize":2, "dynamicSize":0, "exclusiveSize":0, "members":[
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1},
        {"staticSize":1, "dynamicSize":0, "exclusiveSize":1}
    ]}]'''
  [cases.enum]
    
    oil_skip = "not implemented"
    param_types = ["Enum&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize":4, "dynamicSize":0, "exclusiveSize":0, "members":[
        {"staticSize":4, "dynamicSize":0, "exclusiveSize":4},
        {"staticSize":4, "dynamicSize":0, "exclusiveSize":4}
    ]}]'''