src/tests/fidl/conformance_suite/union.test.fidl

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library conformance;

union UnionWithBoundString {
    1: string:5 boundFiveStr;
};

struct UnionWithBoundStringStruct {
    UnionWithBoundString v;
};

union SingleVariantUnion {
    1: uint32 x;
};

struct SingleVariantUnionStruct {
    SingleVariantUnion u;
};

// Union tags follow the explicit ordinal order, not source order.
union ReverseOrdinalUnion {
    4: int64 x; // tag 2
    3: reserved;
    2: bool y; // tag 1
    1: uint32 z; // tag 0
};

struct ReverseOrdinalUnionStruct {
    ReverseOrdinalUnion u;
};

[BindingsDenylist = "dart"]
union RecursiveVectorUnion {
    1: vector<RecursiveVectorUnion?> vec;
};

[BindingsDenylist = "dart"]
struct RecursiveVectorUnionStruct {
    RecursiveVectorUnion u;
};

[BindingsDenylist = "dart"]
union MutualRecursionUnion {
    1: MutualRecursionUnionStruct s;
};

[BindingsDenylist = "dart"]
struct MutualRecursionUnionStruct {
    MutualRecursionUnion? u;
};