definitions = '''
  struct Foo {
    int *a;
    bool b;
    long c;
  };

  struct Bar {
    int *a;
    bool b;
    long c;
    Foo  d;
  };

  /* The names generated for parent's padding use their own index,
   * which can conflict with the child's generated name.
   * We must ensure there are no such conflicts, even across multiple parents.
   */
  struct PaddedGrandParentA {
    bool x;
    short y;
  };

  struct PaddedGrandParentB {
    bool x;
    int y;
  };

  struct PaddedParentA : public PaddedGrandParentA {
    bool a;
    int b;
    short c;
  };

  struct PaddedParentB : public PaddedGrandParentA, public PaddedGrandParentB {
    bool a;
    long b;
  };

  /* Create lots of padding holes so there is a colision between the child and
   * its parent generated padding names.
   */
  struct PaddedChild : public PaddedParentA, public PaddedParentB {
    bool a;
    long long b;
    bool c; short d;
    bool e; short f;
    bool g; short h;
    bool i; short j;
    bool k; short l;
    bool m; short n;
    bool o; short p;
    bool q; short r;
    bool s; short t;
    bool u; short v;
    bool w; short x;
    bool y; short z;
  };
'''

[cases]
  [cases.bool_padding]
    param_types = ["const Foo&"]
    setup = "return Foo{0, false, 0};"
    expect_json = '''[{
      "staticSize":24,
      "dynamicSize":0,
      "members":[
        { "name":"a", "staticSize":8, "dynamicSize":0 },
        { "name":"b", "staticSize":1, "dynamicSize":0 },
        { "name":"c", "staticSize":8, "dynamicSize":0 }
      ]}]'''

  [cases.nested_padding]
    param_types = ["const Bar&"]
    setup = "return Bar{0, false, 0, Foo { 0, false, 0 }};"
    expect_json = '''[{
      "staticSize":48,
      "dynamicSize":0,
      "members":[
        { "name":"a", "staticSize":8, "dynamicSize":0 },
        { "name":"b", "staticSize":1, "dynamicSize":0 },
        { "name":"c", "staticSize":8, "dynamicSize":0 },
        {
          "name":"d",
          "staticSize":24,
          "dynamicSize":0,
          "members": [
            { "name":"a", "staticSize":8, "dynamicSize":0 },
            { "name":"b", "staticSize":1, "dynamicSize":0 },
            { "name":"c", "staticSize":8, "dynamicSize":0 }
        ]}
      ]}]'''

  [cases.parent_padding]
    param_types = ["const PaddedChild&"]
    setup = "return PaddedChild{};"
    expect_json = '''[{
      "staticSize": 104,
      "dynamicSize": 0,
      "paddingSavingsSize": 19
    }]'''