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object Test {
val arr = Array[Char]('a' to 'i': _*)
var xs: CharSequence = arr
val hash = xs.hashCode
def check(chars: CharSequence): Unit = {
println("\n[check '" + chars + "'] len = " + chars.length)
chars match {
case x: Predef.ArrayCharSequence => assert(x.__arrayOfChars eq arr, ((x.__arrayOfChars, arr)))
case x: runtime.ArrayCharSequence => assert(x.xs eq arr, ((x.xs, arr)))
case x => assert(false, x)
}
0 until chars.length foreach { i =>
println("sub(%s, %s) == '%s'".format(i, chars.length, chars.subSequence(i, chars.length)))
println("sub(%s, %s) == '%s'".format(0, i, chars.subSequence(0, i)))
}
if (chars.length >= 2)
check(chars.subSequence(1, chars.length - 1))
}
def main(args: Array[String]): Unit = {
while (xs.length > 0) {
check(xs)
xs = xs.subSequence(0, xs.length - 1)
}
}
}
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