Files
swift-mirror/test/stdlib/StringReallocation.swift
2014-06-19 17:18:23 +00:00

37 lines
960 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!")