test/tall/expression/collection_if_spread_list.stmt

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### Tests for spread (and unspread) lists inside if elements.
>>> Spread then element stays unsplit if it fits.
var list = [if (c) ...[1, 2]];
<<<
var list = [
  if (c) ...[1, 2],
];
>>> Spread else stays unsplit if it fits.
var list = [if (c) 1 else ...[2, 3]];
<<<
var list = [
  if (c) 1 else ...[2, 3],
];
>>> Spread then and else stay unsplit if they fit.
var list = [if (c) ...[1, 2] else ...[3, 4]];
<<<
var list = [
  if (c) ...[1, 2] else ...[3, 4],
];
>>> Spread then formats like block if it splits.
var list = [if (c) ...[element1, element2, element3]];
<<<
var list = [
  if (c) ...[
    element1,
    element2,
    element3,
  ],
];
>>> Both spreads split if then spread splits.
var list = [if (c) ...[element1, element2, element3] else ...[1, 2]];
<<<
var list = [
  if (c) ...[
    element1,
    element2,
    element3,
  ] else ...[
    1,
    2,
  ],
];
>>> Both spreads split if else spread splits.
var list = [if (c) ...[1, 2] else ...[element1, element2, element3]];
<<<
var list = [
  if (c) ...[
    1,
    2,
  ] else ...[
    element1,
    element2,
    element3,
  ],
];
>>> An empty spread then is not treated like block.
var list = [
  if (condition) ...[] else ...[veryLongElement,veryLongElement,veryLongElement,]
];
<<<
var list = [
  if (condition)
    ...[]
  else ...[
    veryLongElement,
    veryLongElement,
    veryLongElement,
  ],
];
>>> An empty spread else is not treated like block.
var list = [
  if (condition) ...[veryLongElement,veryLongElement,veryLongElement,] else ...[]
];
<<<
var list = [
  if (condition) ...[
    veryLongElement,
    veryLongElement,
    veryLongElement,
  ] else
    ...[],
];
>>> An empty spread then doesn't split.
var list = [
  if (condition) ...[] else veryLongIdentifier
];
<<<
var list = [
  if (condition)
    ...[]
  else
    veryLongIdentifier,
];
>>> An empty spread else doesn't split.
var list = [
  if (condition) veryLongIdentifier else ...[]
];
<<<
var list = [
  if (condition)
    veryLongIdentifier
  else
    ...[],
];
>>> An empty spread then with a comment is treated like a block.
var list = [
  if (condition) ...[// c
  ] else ...[veryLongElement,veryLongElement,veryLongElement,]
];
<<<
var list = [
  if (condition) ...[
    // c
  ] else ...[
    veryLongElement,
    veryLongElement,
    veryLongElement,
  ],
];
>>> An empty spread else with a comment treated like a block.
var list = [
  if (condition) ...[veryLongElement,veryLongElement,veryLongElement,] else ...[// c
  ]
];
<<<
var list = [
  if (condition) ...[
    veryLongElement,
    veryLongElement,
    veryLongElement,
  ] else ...[
    // c
  ],
];
>>> A single-line list that isn't spread.
var list = [if (a) [b]];
<<<
var list = [
  if (a) [b],
];
>>> A collection that isn't spread wraps and indents.
var list = [if (condition) [element1, element2, element3]];
<<<
var list = [
  if (condition)
    [element1, element2, element3],
];
>>>
var list = [if (c) [element1, element2, element3, element4]];
<<<
var list = [
  if (c)
    [
      element1,
      element2,
      element3,
      element4,
    ],
];
>>>
var list = [if (c) [element1, element2, element3] else thing];
<<<
var list = [
  if (c)
    [element1, element2, element3]
  else
    thing,
];
>>>
var list = [if (c) [element1, element2, element3, element4] else thing];
<<<
var list = [
  if (c)
    [
      element1,
      element2,
      element3,
      element4,
    ]
  else
    thing,
];
>>>
var list = [if (c) thing else [element1, element2, element3]];
<<<
var list = [
  if (c)
    thing
  else
    [element1, element2, element3],
];
>>>
var list = [if (c) thing else [element1, element2, element3, element4]];
<<<
var list = [
  if (c)
    thing
  else
    [
      element1,
      element2,
      element3,
      element4,
    ],
];