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const builtin = @import("builtin");
const expect = @import("std").testing.expect;
const Node = struct {
payload: i32,
children: []Node,
};
const NodeAligned = struct {
payload: i32,
children: []align(@alignOf(NodeAligned)) NodeAligned,
};
test "struct contains slice of itself" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
var other_nodes = [_]Node{
Node{
.payload = 31,
.children = &[_]Node{},
},
Node{
.payload = 32,
.children = &[_]Node{},
},
};
var nodes = [_]Node{
Node{
.payload = 1,
.children = &[_]Node{},
},
Node{
.payload = 2,
.children = &[_]Node{},
},
Node{
.payload = 3,
.children = other_nodes[0..],
},
};
const root = Node{
.payload = 1234,
.children = nodes[0..],
};
try expect(root.payload == 1234);
try expect(root.children[0].payload == 1);
try expect(root.children[1].payload == 2);
try expect(root.children[2].payload == 3);
try expect(root.children[2].children[0].payload == 31);
try expect(root.children[2].children[1].payload == 32);
}
test "struct contains aligned slice of itself" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
var other_nodes = [_]NodeAligned{
NodeAligned{
.payload = 31,
.children = &[_]NodeAligned{},
},
NodeAligned{
.payload = 32,
.children = &[_]NodeAligned{},
},
};
var nodes = [_]NodeAligned{
NodeAligned{
.payload = 1,
.children = &[_]NodeAligned{},
},
NodeAligned{
.payload = 2,
.children = &[_]NodeAligned{},
},
NodeAligned{
.payload = 3,
.children = other_nodes[0..],
},
};
const root = NodeAligned{
.payload = 1234,
.children = nodes[0..],
};
try expect(root.payload == 1234);
try expect(root.children[0].payload == 1);
try expect(root.children[1].payload == 2);
try expect(root.children[2].payload == 3);
try expect(root.children[2].children[0].payload == 31);
try expect(root.children[2].children[1].payload == 32);
}
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