Enabled disabled non-local returns in stdlib

This commit is contained in:
Michael Bogdanov
2014-10-22 12:41:45 +04:00
parent 11fd8fe392
commit 25d7c9f20a
11 changed files with 578 additions and 76 deletions
@@ -0,0 +1,178 @@
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import java.util.concurrent.Executors
import java.util.concurrent.Callable
import java.util.concurrent.Future
val count: Int = 10;
var index: Int = 0;
val doneSignal = CountDownLatch(count)
val startSignal = CountDownLatch(1);
val mutex: Any = Object()
val results = arrayListOf<Int>()
val executorService = Executors.newFixedThreadPool(count)
class MyException(message: String): Exception(message)
enum class ExecutionType {
LOCAL
NON_LOCAL_SIMPLE
NON_LOCAL_EXCEPTION
NON_LOCAL_FINALLY
NON_LOCAL_EXCEPTION_AND_FINALLY
NON_LOCAL_EXCEPTION_AND_FINALLY_WITH_RETURN
NON_LOCAL_NESTED
}
class TestLocal(val name: String, val executionType: ExecutionType) : Callable<String> {
override fun call(): String {
startSignal.await()
return when (executionType) {
is ExecutionType.LOCAL -> local()
is ExecutionType.NON_LOCAL_SIMPLE -> nonLocalSimple()
is ExecutionType.NON_LOCAL_EXCEPTION -> nonLocalWithException()
is ExecutionType.NON_LOCAL_FINALLY -> nonLocalWithFinally()
is ExecutionType.NON_LOCAL_EXCEPTION_AND_FINALLY -> nonLocalWithExceptionAndFinally()
is ExecutionType.NON_LOCAL_EXCEPTION_AND_FINALLY_WITH_RETURN -> nonLocalWithExceptionAndFinallyWithReturn()
is ExecutionType.NON_LOCAL_NESTED -> nonLocalNested()
else -> "fail"
}
}
private fun underMutexFun() {
results.add(++index);
doneSignal.countDown()
}
fun local(): String {
synchronized(mutex) {
underMutexFun()
}
return executionType.toString()
}
fun nonLocalSimple(): String {
synchronized(mutex) {
underMutexFun()
return executionType.name()
}
return "fail"
}
fun nonLocalWithException(): String {
synchronized(mutex) {
try {
underMutexFun()
throw MyException(executionType.name())
} catch (e: MyException) {
return e.getMessage()!!
}
}
return "fail"
}
fun nonLocalWithFinally(): String {
synchronized(mutex) {
try {
underMutexFun()
return "fail"
} finally {
return executionType.name()
}
}
return "fail"
}
fun nonLocalWithExceptionAndFinally(): String {
synchronized(mutex) {
try {
underMutexFun()
throw MyException(executionType.name())
} catch (e: MyException) {
return e.getMessage()!!
} finally {
"123"
}
}
return "fail"
}
fun nonLocalWithExceptionAndFinallyWithReturn(): String {
synchronized(mutex) {
try {
underMutexFun()
throw MyException(executionType.name())
} catch (e: MyException) {
return "fail1"
} finally {
return executionType.name()
}
}
return "fail"
}
fun nonLocalNested(): String {
synchronized(mutex) {
try {
try {
underMutexFun()
throw MyException(executionType.name())
} catch (e: MyException) {
return "fail1"
} finally {
return executionType.name()
}
} finally {
val p = 1 + 1
}
}
return "fail"
}
}
fun testTemplate(type: ExecutionType, producer: (Int) -> Callable<String>): String {
try {
val futures = arrayListOf<Future<String>>()
for (i in 1..count) {
futures.add(executorService.submit (producer(i)))
}
startSignal.countDown()
val b = doneSignal.await(10, TimeUnit.SECONDS)
if (!b) return "fail: processes not finished"
for (i in 1..count) {
if (results[i - 1] != i)
return "fail $i != ${results[i]}: synchronization not works : " + results.joinToString()
}
for (f in futures) {
if (f.get() != type.name()) return "failed result ${f.get()} != ${type.name()}"
}
} finally {
}
return "OK"
}
fun runTest(type: ExecutionType): String {
return testTemplate (type) { TestLocal(it.toString(), type) }
}
fun box(): String {
try {
for (type in ExecutionType.values()) {
val result = runTest(type)
if (result != "OK") return "fail on $type execution: $result"
}
} finally {
executorService.shutdown()
}
return "OK"
}
@@ -0,0 +1,176 @@
import java.io.Closeable
import java.io.Closeable
import java.io.Closeable
class MyException(message: String) : Exception(message)
class Holder(var value: String) {
public fun plusAssign(s: String?) {
value += s
if (s != "closed") {
value += "->"
}
}
}
class TestLocal() : Closeable {
var status = Holder("")
private fun underMutexFun() {
status += "called"
}
fun local(): Holder {
use {
underMutexFun()
}
return status
}
fun nonLocalSimple(): Holder {
use {
underMutexFun()
return status
}
return Holder("fail")
}
fun nonLocalWithException(): Holder {
use {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += e.getMessage()!!
return status
}
}
return Holder("fail")
}
fun nonLocalWithFinally(): Holder {
use {
try {
underMutexFun()
return Holder("fail")
} finally {
status += "finally"
return status
}
}
return Holder("fail")
}
fun nonLocalWithExceptionAndFinally(): Holder {
use {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += e.getMessage()
return status
} finally {
status += "finally"
}
}
return Holder("fail")
}
fun nonLocalWithExceptionAndFinallyWithReturn(): Holder {
use {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += e.getMessage()
return Holder("fail")
} finally {
status += "finally"
return status
}
}
return Holder("fail")
}
fun nonLocalNestedWithException(): Holder {
use {
try {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += "exception"
return Holder("fail")
} finally {
status += "finally1"
return status
}
} finally {
status += "finally2"
}
}
return Holder("fail")
}
fun nonLocalNestedFinally(): Holder {
use {
try {
try {
underMutexFun()
return status
} finally {
status += "finally1"
status
}
} finally {
status += "finally2"
}
}
return Holder("fail")
}
override fun close() {
status += "closed"
}
}
fun box(): String {
var callable = TestLocal()
var result = callable.local()
if (result.value != "called->closed") return "fail local: " + result.value
callable = TestLocal()
result = callable.nonLocalSimple()
if (result.value != "called->closed") return "fail nonLocalSimple: " + result.value
callable = TestLocal()
result = callable.nonLocalWithException()
if (result.value != "called->exception->closed") return "fail nonLocalWithException: " + result.value
callable = TestLocal()
result = callable.nonLocalWithFinally()
if (result.value != "called->finally->closed") return "fail nonLocalWithFinally: " + result.value
callable = TestLocal()
result = callable.nonLocalWithExceptionAndFinally()
if (result.value != "called->exception->finally->closed") return "fail nonLocalWithExceptionAndFinally: " + result.value
callable = TestLocal()
result = callable.nonLocalWithExceptionAndFinallyWithReturn()
if (result.value != "called->exception->finally->closed") return "fail nonLocalWithExceptionAndFinallyWithReturn: " + result.value
callable = TestLocal()
result = callable.nonLocalNestedWithException()
if (result.value != "called->exception->finally1->finally2->closed") return "fail nonLocalNestedWithException: " + result.value
callable = TestLocal()
result = callable.nonLocalNestedFinally()
if (result.value != "called->finally1->finally2->closed") return "fail nonLocalNestedFinally: " + result.value
return "OK"
}
@@ -0,0 +1,189 @@
import java.io.Closeable
import java.io.Closeable
import java.io.Closeable
import kotlin.test.assertTrue
import kotlin.test.fail
import kotlin.test.assertEquals
class MyException(message: String) : Exception(message)
class Holder(var value: String) {
public fun plusAssign(s: String?) {
value += s
if (s != "closed") {
value += "->"
}
}
}
class TestLocal() : Closeable {
var status = Holder("")
private fun underMutexFun() {
status += "called"
}
fun local(): Holder {
use {
underMutexFun()
}
return status
}
fun nonLocalSimple(): Holder {
use {
underMutexFun()
return status
}
return Holder("fail")
}
fun nonLocalWithException(): Holder {
use {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += e.getMessage()!!
return status
}
}
return Holder("fail")
}
fun nonLocalWithFinally(): Holder {
use {
try {
underMutexFun()
return Holder("fail")
} finally {
status += "finally"
return status
}
}
return Holder("fail")
}
fun nonLocalWithExceptionAndFinally(): Holder {
use {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += e.getMessage()
return status
} finally {
status += "finally"
}
}
return Holder("fail")
}
fun nonLocalWithExceptionAndFinallyWithReturn(): Holder {
use {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += e.getMessage()
return Holder("fail")
} finally {
status += "finally"
return status
}
}
return Holder("fail")
}
fun nonLocalNestedWithException(): Holder {
use {
try {
try {
underMutexFun()
throw MyException("exception")
} catch (e: MyException) {
status += "exception"
return Holder("fail")
} finally {
status += "finally1"
return status
}
} finally {
status += "finally2"
}
}
return Holder("fail")
}
fun nonLocalNestedFinally(): Holder {
use {
try {
try {
underMutexFun()
return status
} finally {
status += "finally1"
status
}
} finally {
status += "finally2"
}
}
return Holder("fail")
}
override fun close() {
status += "closed"
throw MyException("error")
}
}
fun box(): String {
assertError(1,"called->closed") {
local()
}
assertError(2, "called->closed") {
nonLocalSimple()
}
assertError(3, "called->exception->closed") {
nonLocalWithException()
}
assertError(4, "called->finally->closed") {
nonLocalWithFinally()
}
assertError(5, "called->exception->finally->closed") {
nonLocalWithExceptionAndFinally()
}
assertError(6, "called->exception->finally->closed") {
nonLocalWithExceptionAndFinallyWithReturn()
}
assertError(7, "called->exception->finally1->finally2->closed") {
nonLocalNestedWithException()
}
assertError(8, "called->finally1->finally2->closed") {
nonLocalNestedFinally()
}
return "OK"
}
public fun assertError(index: Int, expected: String, l: TestLocal.()->Unit) {
val testLocal = TestLocal()
try {
testLocal.l()
fail("fail $index: no error")
} catch (e: Exception) {
assertEquals(expected, testLocal.status.value, "failed on $index")
}
}