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|
/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.niocharset
import scala.language.implicitConversions
import scala.util._
import java.nio._
import java.nio.charset._
import scala.scalajs.js
import js.JSConverters._
import org.scalajs.jasminetest.JasmineTest
class BaseCharsetTest(val charset: Charset) extends JasmineTest {
import BaseCharsetTest._
protected val AllErrorActions = Seq(
CodingErrorAction.IGNORE,
CodingErrorAction.REPLACE,
CodingErrorAction.REPORT)
protected val ReportActions = Seq(
CodingErrorAction.REPORT)
protected def testDecode(in: ByteBuffer)(
outParts: OutPart[CharBuffer]*): Unit = {
def testOneConfig(malformedAction: CodingErrorAction,
unmappableAction: CodingErrorAction): Unit = {
val decoder = charset.newDecoder()
decoder.onMalformedInput(malformedAction)
decoder.onUnmappableCharacter(unmappableAction)
val actualTry = Try {
in.mark()
val buf =
try decoder.decode(in)
finally in.reset()
val actualChars = new Array[Char](buf.remaining())
buf.get(actualChars)
actualChars
}
val expectedTry = Try {
val expectedChars = Array.newBuilder[Char]
outParts foreach {
case BufferPart(buf) =>
val bufArray = new Array[Char](buf.remaining)
buf.mark()
try buf.get(bufArray)
finally buf.reset()
expectedChars ++= bufArray
case Malformed(len) =>
malformedAction match {
case CodingErrorAction.IGNORE =>
case CodingErrorAction.REPLACE =>
expectedChars ++= decoder.replacement()
case CodingErrorAction.REPORT =>
throw new MalformedInputException(len)
}
case Unmappable(len) =>
unmappableAction match {
case CodingErrorAction.IGNORE =>
case CodingErrorAction.REPLACE =>
expectedChars ++= decoder.replacement()
case CodingErrorAction.REPORT =>
throw new UnmappableCharacterException(len)
}
}
expectedChars.result()
}
(actualTry, expectedTry) match {
case (Failure(actualEx: MalformedInputException),
Failure(expectedEx: MalformedInputException)) =>
expect(actualEx.getInputLength()).toEqual(expectedEx.getInputLength())
case (Failure(actualEx: UnmappableCharacterException),
Failure(expectedEx: UnmappableCharacterException)) =>
expect(actualEx.getInputLength()).toEqual(expectedEx.getInputLength())
case (Success(actualChars), Success(expectedChars)) =>
expect(actualChars.map(_.toInt).toJSArray).toEqual(
expectedChars.map(_.toInt).toJSArray)
case _ =>
// For the error message
expect(actualTry.asInstanceOf[js.Any]).toBe(
expectedTry.asInstanceOf[js.Any])
}
}
val hasAnyMalformed = outParts.exists(_.isInstanceOf[Malformed])
val hasAnyUnmappable = outParts.exists(_.isInstanceOf[Unmappable])
for {
malformedAction <- if (hasAnyMalformed) AllErrorActions else ReportActions
unmappableAction <- if (hasAnyUnmappable) AllErrorActions else ReportActions
} {
testOneConfig(malformedAction, unmappableAction)
}
}
protected def testEncode(in: CharBuffer)(
outParts: OutPart[ByteBuffer]*): Unit = {
def testOneConfig(malformedAction: CodingErrorAction,
unmappableAction: CodingErrorAction): Unit = {
val encoder = charset.newEncoder()
encoder.onMalformedInput(malformedAction)
encoder.onUnmappableCharacter(unmappableAction)
val actualTry = Try {
in.mark()
val buf =
try encoder.encode(in)
finally in.reset()
val actualBytes = new Array[Byte](buf.remaining())
buf.get(actualBytes)
actualBytes
}
val expectedTry = Try {
val expectedBytes = Array.newBuilder[Byte]
outParts foreach {
case BufferPart(buf) =>
val bufArray = new Array[Byte](buf.remaining)
buf.mark()
try buf.get(bufArray)
finally buf.reset()
expectedBytes ++= bufArray
case Malformed(len) =>
malformedAction match {
case CodingErrorAction.IGNORE =>
case CodingErrorAction.REPLACE =>
expectedBytes ++= encoder.replacement()
case CodingErrorAction.REPORT =>
throw new MalformedInputException(len)
}
case Unmappable(len) =>
unmappableAction match {
case CodingErrorAction.IGNORE =>
case CodingErrorAction.REPLACE =>
expectedBytes ++= encoder.replacement()
case CodingErrorAction.REPORT =>
throw new UnmappableCharacterException(len)
}
}
expectedBytes.result()
}
(actualTry, expectedTry) match {
case (Failure(actualEx: MalformedInputException),
Failure(expectedEx: MalformedInputException)) =>
expect(actualEx.getInputLength()).toEqual(expectedEx.getInputLength())
case (Failure(actualEx: UnmappableCharacterException),
Failure(expectedEx: UnmappableCharacterException)) =>
expect(actualEx.getInputLength()).toEqual(expectedEx.getInputLength())
case (Success(actualBytes), Success(expectedBytes)) =>
expect(actualBytes.toJSArray).toEqual(expectedBytes.toJSArray)
case _ =>
// For the error message
expect(actualTry.asInstanceOf[js.Any]).toBe(
expectedTry.asInstanceOf[js.Any])
}
}
val hasAnyMalformed = outParts.exists(_.isInstanceOf[Malformed])
val hasAnyUnmappable = outParts.exists(_.isInstanceOf[Unmappable])
for {
malformedAction <- if (hasAnyMalformed) AllErrorActions else ReportActions
unmappableAction <- if (hasAnyUnmappable) AllErrorActions else ReportActions
} {
testOneConfig(malformedAction, unmappableAction)
}
}
}
object BaseCharsetTest {
sealed abstract class OutPart[+BufferType <: Buffer]
final case class BufferPart[BufferType <: Buffer](buf: BufferType) extends OutPart[BufferType]
final case class Malformed(length: Int) extends OutPart[Nothing]
final case class Unmappable(length: Int) extends OutPart[Nothing]
object OutPart {
implicit def fromBuffer[BufferType <: Buffer](buf: BufferType): BufferPart[BufferType] =
BufferPart(buf)
}
implicit class Interpolators(val sc: StringContext) extends AnyVal {
def bb(args: Any*): ByteBuffer = {
val strings = sc.parts.iterator
val expressions = args.iterator
val buf = Array.newBuilder[Byte]
def appendStr(s: String): Unit = {
val s1 = s.replace(" ", "")
require(s1.length % 2 == 0)
for (i <- 0 until s1.length by 2)
buf += java.lang.Integer.parseInt(s1.substring(i, i+2), 16).toByte
}
appendStr(strings.next())
while (strings.hasNext) {
expressions.next() match {
case b: Byte => buf += b
case bytes: Array[Byte] => buf ++= bytes
case bytes: Seq[_] =>
buf ++= bytes.map(_.asInstanceOf[Number].byteValue())
}
appendStr(strings.next())
}
ByteBuffer.wrap(buf.result())
}
def cb(args: Any*): CharBuffer =
CharBuffer.wrap(sc.s(args: _*))
}
}
|
