//############################################################################
// Literals
//############################################################################

//############################################################################

object Test {

  /* I add a couple of Unicode identifier tests here temporarily */

  def \u03b1\u03c1\u03b5\u03c4\u03b7 = "alpha rho epsilon tau eta"

  case class GGG(i: Int) {
    def \u03b1\u03b1(that: GGG) = i + that.i
  }

  def check_success[A](name: String, closure: => A, expected: A) {
    val res: Option[String] =
      try {
        val actual: A = closure
        if (actual == expected) None  //print(" was successful")
        else Some(s" failed: expected $expected, found $actual")
      } catch {
        case exception: Throwable => Some(s" raised exception $exception")
      }
    for (e <- res) println(s"test $name $e")
  }

  def main(args: Array[String]) {
    // char
    check_success("'\\u0024' == '$'", '\u0024', '$')
    check_success("'\\u005f' == '_'", '\u005f', '_')
    check_success("65.asInstanceOf[Char] == 'A'", 65.asInstanceOf[Char], 'A')
    check_success("\"\\141\\142\" == \"ab\"", "\141\142", "ab")
    //check_success("\"\\0x61\\0x62\".trim() == \"x61\\0x62\"", "\0x61\0x62".substring(1), "x61\0x62")
    check_success(""""\0x61\0x62".getBytes == Array(0, 120, ...)""",
      "\0x61\0x62".getBytes(io.Codec.UTF8.charSet) sameElements Array[Byte](0, 120, 54, 49, 0, 120, 54, 50),
      true)

    // boolean
    check_success("(65 : Byte) == 'A'", (65: Byte) == 'A', true) // contrib #176

    // int
    check_success("0X01 == 1", 0X01, 1)
    check_success("0x01 == 1", 0x01, 1)
    check_success("0x10 == 16", 0x10, 16)
    check_success("0xa == 10", 0xa, 10)
    check_success("0x0a == 10", 0x0a, 10)

    check_success("+0x01 == 1", +0x01, 1)
    check_success("+0x10 == 16", +0x10, 16)
    check_success("+0xa == 10", +0xa, 10)
    check_success("+0x0a == 10", +0x0a, 10)

    check_success("-0x01 == -1", -0x01, -1)
    check_success("-0x10 == -16", -0x10, -16)
    check_success("-0xa == -10", -0xa, -10)
    check_success("-0x0a == -10", -0x0a, -10)

    check_success("0x7fffffff == 2147483647", 0x7fffffff, 2147483647)
    check_success("0x80000000 == -2147483648", 0x80000000, -2147483648)
    check_success("0xffffffff == -1", 0xffffffff, -1)

    // long
    check_success("1l == 1L", 1l, 1L)
    check_success("1L == 1l", 1L, 1l)
    check_success("1.asInstanceOf[Long] == 1l", 1.asInstanceOf[Long], 1l)

    check_success("0x7fffffffffffffffL == 9223372036854775807L",
      0x7fffffffffffffffL, 9223372036854775807L)
    check_success("0x8000000000000000L == -9223372036854775808L",
      0x8000000000000000L, -9223372036854775808L)
    check_success("0xffffffffffffffffL == -1L",
      0xffffffffffffffffL, -1L)

    // see JLS at address:
    // http://java.sun.com/docs/books/jls/second_edition/html/lexical.doc.html#230798

    // float
    check_success("1e1f == 10.0f", 1e1f, 10.0f)
    check_success(".3f == 0.3f", .3f, 0.3f)
    check_success("0f == 0.0f", 0f, 0.0f)
    check_success("01.23f == 1.23f", 01.23f, 1.23f)
    check_success("3.14f == 3.14f", 3.14f, 3.14f)
    check_success("6.022e23f == 6.022e23f", 6.022e23f, 6.022e23f)
    check_success("09f == 9.0f", 09f, 9.0f)
    check_success("1.asInstanceOf[Float] == 1.0", 1.asInstanceOf[Float], 1.0f)
    check_success("1l.asInstanceOf[Float] == 1.0", 1l.asInstanceOf[Float], 1.0f)

    // double
    check_success("1e1 == 10.0", 1e1, 10.0)
    check_success(".3 == 0.3", .3, 0.3)
    check_success("0.0 == 0.0", 0.0, 0.0)
    check_success("0d == 0.0", 0d, 0.0)
    check_success("01.23 == 1.23", 01.23, 1.23)
    check_success("01.23d == 1.23d", 01.23d, 1.23d)
    check_success("3.14 == 3.14", 3.14, 3.14)
    check_success("1e-9d == 1.0e-9", 1e-9d, 1.0e-9)
    check_success("1e137 == 1.0e137", 1e137, 1.0e137)
    check_success("1.asInstanceOf[Double] == 1.0", 1.asInstanceOf[Double], 1.0)
    check_success("1l.asInstanceOf[Double] == 1.0", 1l.asInstanceOf[Double], 1.0)

    check_success("\"\".length()", "\u001a".length(), 1)

    val ggg = GGG(1) \u03b1\u03b1 GGG(2)
    check_success("ggg == 3", ggg, 3)

  }
}

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