object-introspection/test/integration/alignment.toml

# Test cases are repeated with a custom wrapper class as well as with a
# container, as CodeGen is not able to add padding members to container types.
includes = ["optional"]
definitions = '''
  // This wrapper will allow us to infer the alignment of the contained type by
  // looking at the wrapper's size.
  template <typename T>
  struct Wrapper {
    int8_t c;
    T t;
  };

  struct alignas(16) Align16 {
    char c;
  };

  struct TwoStruct {
    Align16 x1;
    char c;
    Align16 x2;
  };

  struct MemberAlignment {
    char c;
    alignas(32) char c32;
  };

  union UnionMember {
    char c1;
    alignas(32) char c2;
  };

  struct MemberAlignmentOverriden {
    char c;
    alignas(32) Align16 alignmentIncreased;
  };

  struct alignas(128) AlignedStructMemberAlignLower {
    char c;
    alignas(32) char c32;
  };
'''
[cases]
  [cases.wrapper_struct]
    param_types = ["const Wrapper<Align16>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 32, "exclusiveSize": 15, "members": [
        {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
        {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
    expect_json_v2 = '''[
      {"staticSize": 32, "exclusiveSize": 15, "members": [
        {"typeNames": ["int8_t", "__int8_t", "int8_t"], "staticSize": 1, "exclusiveSize": 1},
        {"typeNames": ["ns_alignment::Align16"], "staticSize": 16, "exclusiveSize": 15, "members": [
          {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
  [cases.container_struct]
    skip = "container alignment is broken (#143)"
    param_types = ["const std::optional<Align16>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 32, "exclusiveSize": 16, "members": [
        {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
  [cases.wrapper_two_members]
    param_types = ["const Wrapper<TwoStruct>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 64, "exclusiveSize": 15, "members": [
        {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
        {"typeName": "ns_alignment::TwoStruct", "staticSize": 48, "exclusiveSize": 15, "members": [
          {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}]},
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}]}
    ]}]}]'''
    expect_json_v2 = '''[
      {"staticSize": 64, "exclusiveSize": 15, "members": [
        {"typeNames": ["int8_t", "__int8_t", "int8_t"], "staticSize": 1, "exclusiveSize": 1},
        {"typeNames": ["ns_alignment::TwoStruct"], "staticSize": 48, "exclusiveSize": 15, "members": [
          {"typeNames": ["ns_alignment::Align16"], "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1}]},
          {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1},
          {"typeNames": ["ns_alignment::Align16"], "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1}]}
    ]}]}]'''
  [cases.container_two_members]
    skip = "container alignment is broken (#143)"
    param_types = ["const std::optional<TwoStruct>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 64, "exclusiveSize": 16, "members": [
        {"typeName": "ns_alignment::TwoStruct", "staticSize": 48, "exclusiveSize": 15, "members": [
          {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}]},
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}]}
    ]}]}]'''
  [cases.wrapper_member_alignment]
    param_types = ["const Wrapper<MemberAlignment>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 96, "exclusiveSize": 31, "members": [
        {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
        {"typeName": "ns_alignment::MemberAlignment", "staticSize": 64, "exclusiveSize": 62, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
    expect_json_v2 = '''[
      {"staticSize": 96, "exclusiveSize": 31, "members": [
        {"typeNames": ["int8_t", "__int8_t", "int8_t"], "staticSize": 1, "exclusiveSize": 1},
        {"typeNames": ["ns_alignment::MemberAlignment"], "staticSize": 64, "exclusiveSize": 62, "members": [
          {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1},
          {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
  [cases.container_member_alignment]
    skip = "container alignment is broken (#143)"
    param_types = ["const std::optional<MemberAlignment>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 96, "exclusiveSize": 32, "members": [
        {"typeName": "ns_alignment::MemberAlignment", "staticSize": 64, "exclusiveSize": 62, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
  [cases.wrapper_union_member]
    param_types = ["const Wrapper<UnionMember>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 64, "exclusiveSize": 31, "members": [
        {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
        {"typeName": "ns_alignment::UnionMember", "staticSize": 32, "exclusiveSize": 32, "NOT":"members"}
    ]}]'''
    expect_json_v2 = '''[
      {"staticSize": 64, "exclusiveSize": 31, "members": [
        {"typeNames": ["int8_t", "__int8_t", "int8_t"], "staticSize": 1, "exclusiveSize": 1},
        {"typeNames": ["ns_alignment::UnionMember"], "staticSize": 32, "exclusiveSize": 32, "members":[]}
    ]}]'''
  [cases.container_union_member]
    skip = "container alignment is broken (#143)"
    param_types = ["const std::optional<UnionMember>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 64, "exclusiveSize": 32, "members": [
        {"typeName": "ns_alignment::UnionMember", "staticSize": 32, "exclusiveSize": 32, "NOT":"members"}
    ]}]'''
  [cases.wrapper_member_override]
    param_types = ["const Wrapper<MemberAlignmentOverriden>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 96, "exclusiveSize": 31, "members": [
        {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
        {"typeName": "ns_alignment::MemberAlignmentOverriden", "staticSize": 64, "exclusiveSize": 47, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]}]'''
    expect_json_v2 = '''[
      {"staticSize": 96, "exclusiveSize": 31, "members": [
        {"typeNames": ["int8_t", "__int8_t", "int8_t"], "staticSize": 1, "exclusiveSize": 1},
        {"typeNames": ["ns_alignment::MemberAlignmentOverriden"], "staticSize": 64, "exclusiveSize": 47, "members": [
          {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1},
          {"typeNames": ["ns_alignment::Align16"], "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1}
    ]}]}]}]'''
  [cases.container_member_override]
    skip = "container alignment is broken (#143)"
    param_types = ["const std::optional<MemberAlignmentOverriden>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 96, "exclusiveSize": 32, "members": [
        {"typeName": "ns_alignment::MemberAlignmentOverriden", "staticSize": 64, "exclusiveSize": 47, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "ns_alignment::Align16", "staticSize": 16, "exclusiveSize": 15, "members": [
            {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]}]'''
  [cases.wrapper_member_lower]
    param_types = ["const Wrapper<AlignedStructMemberAlignLower>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 256, "exclusiveSize": 127, "members": [
        {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
        {"typeName": "ns_alignment::AlignedStructMemberAlignLower", "staticSize": 128, "exclusiveSize": 126, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
    expect_json_v2 = '''[
      {"staticSize": 256, "exclusiveSize": 127, "members": [
        {"typeNames": ["int8_t", "__int8_t", "int8_t"], "staticSize": 1, "exclusiveSize": 1},
        {"typeNames": ["ns_alignment::AlignedStructMemberAlignLower"], "staticSize": 128, "exclusiveSize": 126, "members": [
          {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1},
          {"typeNames": ["int8_t"], "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''
  [cases.container_member_lower]
    skip = "container alignment is broken (#143)"
    param_types = ["const std::optional<AlignedStructMemberAlignLower>&"]
    setup = "return {};"
    expect_json = '''[
      {"staticSize": 256, "exclusiveSize": 128, "members": [
        {"typeName": "ns_alignment::AlignedStructMemberAlignLower", "staticSize": 128, "exclusiveSize": 126, "members": [
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1},
          {"typeName": "int8_t", "staticSize": 1, "exclusiveSize": 1}
    ]}]}]'''