arrays.swift

// RUN: %target-run-simple-swift | FileCheck %s

// Create a new array
var a = new Int[10]
for i in 0..10 { a[i] = i }
println(a)
// CHECK: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

// Create a new unsigned array
var u = new UInt64[10]
for i in 0..10 { u[i] = UInt64(i) }
println(u)
// CHECK: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

// Copy a slice to another slice
a[1..3] = a[5..7]
println(a)
// CHECK: [0, 5, 6, 3, 4, 5, 6, 7, 8, 9]

// Copy a slice to another slice with overlap
a[4..8] = a[6..10]
println(a)
// CHECK: [0, 5, 6, 3, 6, 7, 8, 9, 8, 9]

// Create another array and copy in a slice
var b = new Int[10]
b[3...6] = a[5..9]
println(b)
// CHECK: [0, 0, 0, 7, 8, 9, 8, 0, 0, 0]

// Create a 2D array
var aa = new Int[10][]
for i in 0..10 {
  var a = new Int[10]
  for j in 0..10 {
    a[j] = i*10 + j
  }
  aa[i] = a
}
println(aa)
// CHECK: {{\[}}[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [10, 11, 12, 13, 14, 15, 16, 17, 18, 19], [20, 21, 22, 23, 24, 25, 26, 27, 28, 29], [30, 31, 32, 33, 34, 35, 36, 37, 38, 39], [40, 41, 42, 43, 44, 45, 46, 47, 48, 49], [50, 51, 52, 53, 54, 55, 56, 57, 58, 59], [60, 61, 62, 63, 64, 65, 66, 67, 68, 69], [70, 71, 72, 73, 74, 75, 76, 77, 78, 79], [80, 81, 82, 83, 84, 85, 86, 87, 88, 89], [90, 91, 92, 93, 94, 95, 96, 97, 98, 99]]

// Copy slices in a 2D array
aa[1..3] = aa[2..4]
println(aa)
// CHECK: {{\[}}[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [20, 21, 22, 23, 24, 25, 26, 27, 28, 29], [30, 31, 32, 33, 34, 35, 36, 37, 38, 39], [30, 31, 32, 33, 34, 35, 36, 37, 38, 39], [40, 41, 42, 43, 44, 45, 46, 47, 48, 49], [50, 51, 52, 53, 54, 55, 56, 57, 58, 59], [60, 61, 62, 63, 64, 65, 66, 67, 68, 69], [70, 71, 72, 73, 74, 75, 76, 77, 78, 79], [80, 81, 82, 83, 84, 85, 86, 87, 88, 89], [90, 91, 92, 93, 94, 95, 96, 97, 98, 99]]


// Verify that array literals don't leak. <rdar://problem/16536439>
class Canary {
  deinit { println("dead") }
}

println()

// CHECK: dead
// CHECK: dead
// CHECK: dead
{ [Canary(), Canary(), Canary()] }()