Expected `out` to be identical to `data.frame(c = 1)`.
Differences:
  `attr(actual, 'row.names')`: NA -1
`attr(expected, 'row.names')`:  1

relational summarise(c = 1) order-preserving

Expected `out` to be identical to `data.frame(g = 1:3, c = 1)`.
Differences:
  `attr(actual, 'row.names')`: NA -3  
`attr(expected, 'row.names')`:  1  2 3

relational summarise(c = 1, .by = g) order-preserving

Expected `out` to be identical to `data.frame(g = 1:3, n = 2:4)`.
Differences:
  `attr(actual, 'row.names')`: NA -3  
`attr(expected, 'row.names')`:  1  2 3

relational summarise(n = n(), n = n() + 1L, .by = g) order-preserving

Expected `out` to be identical to `data.frame(n = 7L)`.
Differences:
  `attr(actual, 'row.names')`: NA -1
`attr(expected, 'row.names')`:  1

relational summarise(n = n(), n = n() + 1L) order-preserving

relational summarise(c = mean(a)) order-enforcing

relational summarise(c = mean(a), .by = b) order-enforcing

relational summarise(c = mean(a), .by = g) order-enforcing

relational summarise(c = 1) order-enforcing

relational summarise(c = 1, .by = g) order-enforcing

relational summarise(n = n(), n = n() + 1L, .by = g) order-enforcing

relational summarise(n = n(), n = n() + 1L) order-enforcing

Expected `out` to be identical to `data.frame(a = c(1L, 5L), b = 2)`.
Differences:
  `attr(actual, 'row.names')`: NA -2
`attr(expected, 'row.names')`:  1  2

Expected `out` to be identical to `data.frame(c = seq(2, 7, by = 1))`.
Differences:
  `attr(actual, 'row.names')`: NA -6        
`attr(expected, 'row.names')`:  1  2 3 4 5 6

relational transmute(c = a + 1) order-preserving

Expected `out` to be identical to `data.frame(row = seq(1, 6, by = 1))`.
Differences:
  `attr(actual, 'row.names')`: NA -6        
`attr(expected, 'row.names')`:  1  2 3 4 5 6

relational transmute(row = a) order-preserving

relational transmute(c = a + 1) order-enforcing

relational transmute(row = a) order-enforcing

Expected `out` to be identical to `data.frame(a = 1:5, b = 2)`.
Differences:
  `attr(actual, 'row.names')`: NA -5      
`attr(expected, 'row.names')`:  1  2 3 4 5