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/** Make sure that when a variable is captured its initialization expression is handled properly */
object Test {
def lazyVal() = {
// internally lazy vals become vars which are initialized with "_", so they need to be tested just like vars do
lazy val x = "42"
assert({ () => x }.apply == "42")
}
def ident() = {
val y = "42"
var x = y
assert({ () => x }.apply == "42")
}
def apply() = {
def y(x : Int) = x.toString
var x = y(42)
assert({ () => x }.apply == "42")
}
def literal() = {
var x = "42"
assert({ () => x }.apply == "42")
}
def `new`() = {
var x = new String("42")
assert({ () => x }.apply == "42")
}
def select() = {
object Foo{val bar = "42"}
var x = Foo.bar
assert({ () => x }.apply == "42")
}
def `throw`() = {
var x = if (true) "42" else throw new Exception("42")
assert({ () => x }.apply == "42")
}
def assign() = {
var y = 1
var x = y = 42
assert({ () => x}.apply == ())
}
def valDef() = {
var x = {val y = 42}
assert({ () => x}.apply == ())
}
def `return`(): String = {
var x = if (true) return "42" else ()
assert({ () => x}.apply == ())
"42"
}
def tryFinally() = {
var x = try { "42" } finally ()
assert({ () => x }.apply == "42")
}
def tryCatch() = {
var x = try { "42" } catch { case _ => "43" }
assert({ () => x }.apply == "42")
}
def `if`() = {
var x = if (true) ()
assert({ () => x }.apply == ())
}
def ifElse() = {
var x = if(true) "42" else "43"
assert({ () => x }.apply == "42")
}
def matchCase() = {
var x = 100 match {
case 100 => "42"
case _ => "43"
}
assert({ () => x }.apply == "42")
}
def block() = {
var x = {
val y = 42
"42"
}
assert({ () => x }.apply == "42")
}
def labelDef() = {
var x = 100 match {
case 100 => try "42" finally ()
}
assert({ () => x }.apply == "42")
}
def nested() = {
var x = {
val y = 42
if(true) try "42" catch {case _ => "43"}
else "44"
}
assert({ () => x }.apply == "42")
}
def main(args: Array[String]) {
lazyVal()
ident()
apply()
literal()
`new`()
select()
`throw`()
assign()
valDef()
`return`()
tryFinally()
tryCatch()
ifElse()
`if`()
matchCase()
block()
labelDef()
nested()
}
}
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