test/tall/invocation/block_argument_description.stmt

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### Test how block formatting functions like test(), group(), that start with
### leading adjacent strings behaves.
>>> Adjacent strings preceding a function expression doesn't prevent block formatting.
test('First adjacent string' 'second adjacent string'
'third adjacent string', () async {
  ;
});
<<<
test('First adjacent string'
    'second adjacent string'
    'third adjacent string', () async {
  ;
});
>>> Don't block format a function with a preceding adjacent string if it doesn't fit.
test('First adjacent string' 'second long adjacent string', () async {
  ;
});
<<<
test(
  'First adjacent string'
  'second long adjacent string',
  () async {
    ;
  },
);
>>> Don't block format adjacent strings preceding a non-function block argument.
test('First adjacent string'
    'second adjacent string'
    'third adjacent string', [
  element1,
  element2,
  element3,
  element4,
]);
<<<
test(
  'First adjacent string'
  'second adjacent string'
  'third adjacent string',
  [
    element1,
    element2,
    element3,
    element4,
  ],
);
>>> Another string argument doesn't prevent block formatting.
test('First string line 1' 'first string line 2', () {
  ;
}, 'Another simple string');
<<<
test('First string line 1'
    'first string line 2', () {
  ;
}, 'Another simple string');
>>> Multiple trailing arguments prevent block formatting.
test('First string line 1' 'first string line 2', () {
  ;
}, trailing, another);
<<<
test(
  'First string line 1'
  'first string line 2',
  () {
    ;
  },
  trailing,
  another,
);
>>> Don't block format if the leading string is named.
test(named: 'First string line 1' 'first string line 2', () {
  ;
});
<<<
test(
  named:
      'First string line 1'
      'first string line 2',
  () {
    ;
  },
);
>>> Don't block format if the leading function is named.
test('First string line 1' 'first string line 2', named: () {
  ;
});
<<<
test(
  'First string line 1'
  'first string line 2',
  named: () {
    ;
  },
);
>>> Allow block formatting when the trailing argument is named.
test('First string line 1' 'first string line 2', () {
  ;
}, named: arg);
<<<
test('First string line 1'
    'first string line 2', () {
  ;
}, named: arg);