mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
37 lines
962 B
Swift
37 lines
962 B
Swift
// RUN: %target-run-simple-swift | FileCheck %s
|
|
|
|
// CHECK-NOT: Reallocations exceeded 30
|
|
func testReallocation() {
|
|
var x = "The quick brown fox jumped over the lazy dog\n"._split(" ")
|
|
|
|
var story = "Let me tell you a story:"
|
|
var laps = 1000
|
|
|
|
var reallocations = 0
|
|
for i in 0..<laps {
|
|
for s in x {
|
|
var lastBase = story._core._baseAddress
|
|
story += " "
|
|
story += s
|
|
if lastBase != story._core._baseAddress {
|
|
++reallocations
|
|
|
|
// To avoid dumping a vast string here, just write the first
|
|
// part of the story out each time there's a reallocation.
|
|
var intro = story._split(":")[0]
|
|
println("reallocation \(reallocations), with intro \(intro)")
|
|
|
|
if reallocations >= 30 {
|
|
println("Reallocations exceeded 30")
|
|
return
|
|
}
|
|
}
|
|
}
|
|
story += "."
|
|
}
|
|
println("total reallocations = \(reallocations)")
|
|
}
|
|
|
|
testReallocation()
|
|
println("done!")
|