/*                     __                                               *\
**     ________ ___   / /  ___      __ ____  Scala.js Test Suite        **
**    / __/ __// _ | / /  / _ | __ / // __/  (c) 2013, LAMP/EPFL        **
**  __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \    http://scala-js.org/       **
** /____/\___/_/ |_/____/_/ | |__/ /____/                               **
**                          |/____/                                     **
\*                                                                      */
package scala.scalajs.testsuite.niocharset

import java.nio._
import java.nio.charset._

import scala.scalajs.niocharset.StandardCharsets

import BaseCharsetTest._

object USASCIITest extends BaseCharsetTest(StandardCharsets.US_ASCII) {
  describe("US-ASCII") {
    it("decode") {
      // Simple tests

      testDecode(bb"48 65 6c 6c 6f")(cb"Hello")
      testDecode(bb"42 6f 6e 6a 6f 75 72")(cb"Bonjour")

      testDecode(bb"00 01 0a 10 20")(cb"\u0000\u0001\u000a\u0010 ")
      testDecode(bb"7f 7f")(cb"\u007f\u007f")

      // Bit 7 is ignored, giving the same results as above

      testDecode(bb"c8 e5 ec ec ef")(cb"Hello")
      testDecode(bb"c2 ef ee ea ef f5 f2")(cb"Bonjour")

      testDecode(bb"80 81 8a 90 a0")(cb"\u0000\u0001\u000a\u0010 ")
      testDecode(bb"ff ff")(cb"\u007f\u007f")
    }

    it("encode") {
      // Simple tests

      testEncode(cb"Hello")(bb"48 65 6c 6c 6f")
      testEncode(cb"Bonjour")(bb"42 6f 6e 6a 6f 75 72")

      testEncode(cb"\u0000\u0001\u000a\u0010 ")(bb"00 01 0a 10 20")
      testEncode(cb"\u007f\u007f")(bb"7f 7f")

      // Unmappable characters

      testEncode(cb"é")(Unmappable(1))
      testEncode(cb"\u0080")(Unmappable(1))
      testEncode(cb"\u00ff")(Unmappable(1))
      testEncode(cb"\u0100")(Unmappable(1))
      testEncode(cb"\u07ff")(Unmappable(1))
      testEncode(cb"\ue000")(Unmappable(1))
      testEncode(cb"\uffff")(Unmappable(1))
      testEncode(cb"\ud835\udcd7")(Unmappable(2))

      testEncode(cb"éA")(Unmappable(1), bb"41")
      testEncode(cb"\u0080A")(Unmappable(1), bb"41")
      testEncode(cb"\u00ffA")(Unmappable(1), bb"41")
      testEncode(cb"\u0100A")(Unmappable(1), bb"41")
      testEncode(cb"\u07ffA")(Unmappable(1), bb"41")
      testEncode(cb"\ue000A")(Unmappable(1), bb"41")
      testEncode(cb"\uffffA")(Unmappable(1), bb"41")
      testEncode(cb"\ud835\udcd7A")(Unmappable(2), bb"41")

      // Single UTF-16 surrogates
      testEncode(cb"\ud800")(Malformed(1))
      testEncode(cb"\udaff")(Malformed(1))
      testEncode(cb"\udb80")(Malformed(1))
      testEncode(cb"\udbff")(Malformed(1))
      testEncode(cb"\udc00")(Malformed(1))
      testEncode(cb"\udf80")(Malformed(1))
      testEncode(cb"\udfff")(Malformed(1))

      // High UTF-16 surrogates not followed by low surrogates
      testEncode(cb"\ud800A")(Malformed(1), bb"41")
      testEncode(cb"\ud800\ud800")(Malformed(1), Malformed(1))
      testEncode(cb"\ud800\ud835\udcd7")(Malformed(1), Unmappable(2))
      testEncode(cb"\udbffA")(Malformed(1), bb"41")
      testEncode(cb"\udbff\udb8f")(Malformed(1), Malformed(1))
      testEncode(cb"\udbff\ud835\udcd7")(Malformed(1), Unmappable(2))
    }

    it("isLegalReplacement") {
      val encoder = charset.newEncoder
      expect(encoder.isLegalReplacement(Array(0x00.toByte))).toBeTruthy
      expect(encoder.isLegalReplacement(Array(0x41.toByte))).toBeTruthy
      expect(encoder.isLegalReplacement(Array('?'.toByte))).toBeTruthy
      expect(encoder.isLegalReplacement(Array(0x80.toByte))).toBeTruthy
      expect(encoder.isLegalReplacement(Array(0xff.toByte))).toBeTruthy
    }
  }
}