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@file:Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
package kotlinx.atomicfu.test
import kotlinx.atomicfu.atomic
import kotlin.test.*
class DelegatedProperties {
private val _a = atomic(42)
var a: Int by _a
private val _l = atomic(55555555555)
var l: Long by _l
private val _b = atomic(false)
var b: Boolean by _b
private val _ref = atomic(A(B(77)))
var ref: A by _ref
var vInt by atomic(77)
var vLong by atomic(777777777)
var vBoolean by atomic(false)
var vRef by atomic(A(B(77)))
@Test
fun testDelegatedAtomicInt() {
assertEquals(42, a)
_a.compareAndSet(42, 56)
assertEquals(56, a)
a = 77
_a.compareAndSet(77, 66)
assertEquals(66, _a.value)
assertEquals(66, a)
}
@Test
fun testDelegatedAtomicLong() {
assertEquals(55555555555, l)
_l.getAndIncrement()
assertEquals(55555555556, l)
l = 7777777777777
assertTrue(_l.compareAndSet(7777777777777, 66666666666))
assertEquals(66666666666, _l.value)
assertEquals(66666666666, l)
}
@Test
fun testDelegatedAtomicBoolean() {
assertEquals(false, b)
_b.lazySet(true)
assertEquals(true, b)
b = false
assertTrue(_b.compareAndSet(false, true))
assertEquals(true, _b.value)
assertEquals(true, b)
}
@Test
fun testDelegatedAtomicRef() {
assertEquals(77, ref.b.n)
_ref.lazySet(A(B(66)))
assertEquals(66, ref.b.n)
assertTrue(_ref.compareAndSet(_ref.value, A(B(56))))
assertEquals(56, ref.b.n)
ref = A(B(99))
assertEquals(99, _ref.value.b.n)
}
@Test
fun testVolatileInt() {
assertEquals(77, vInt)
vInt = 55
assertEquals(110, vInt * 2)
}
@Test
fun testVolatileLong() {
assertEquals(777777777, vLong)
vLong = 55
assertEquals(55, vLong)
}
@Test
fun testVolatileBoolean() {
assertEquals(false, vBoolean)
vBoolean = true
assertEquals(true, vBoolean)
}
@Test
fun testVolatileRef() {
assertEquals(77, vRef.b.n)
vRef = A(B(99))
assertEquals(99, vRef.b.n)
}
class A (val b: B)
class B (val n: Int)
}
class ExposedDelegatedPropertiesAccessorsTest {
private inner class A {
private val _node = atomic<Node?>(null)
var node: Node? by _node
fun cas(expect: Node, update: Node) = _node.compareAndSet(expect, update)
}
private class Node(val n: Int)
@Test
fun testDelegatedPropertiesAccessors() {
val a = A()
val update = Node(5)
a.node = update
assertTrue(a.cas(update, Node(6)))
assertEquals(6, a.node?.n)
}
@Test
fun testAccessors() {
val cl = DelegatedProperties()
assertEquals(42, cl.a)
cl.a = 66
assertEquals(66, cl.a)
assertEquals(55555555555, cl.l)
cl.l = 66666666
assertEquals(66666666, cl.l)
assertEquals(false, cl.b)
cl.b = true
assertEquals(true, cl.b)
}
@Test
fun testVolatileProperties() {
val cl = DelegatedProperties()
assertEquals(77, cl.vInt)
cl.vInt = 99
assertEquals(99, cl.vInt)
}
}
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