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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.javalib
import language.implicitConversions
import scala.scalajs.js
import scala.scalajs.js.JSConverters._
import org.scalajs.jasminetest.JasmineTest
object SystemTest extends JasmineTest {
// Just in here, we allow ourselves to do this
implicit def array2jsArray[T](arr: Array[T]): js.Array[T] = arr.toJSArray
describe("java.lang.System") {
it("should respond to `arraycopy`") {
val object0 = Array[Any]("[", "b", "c", "d", "e", "f", "]")
val object1 = Array[Any](() => true, 1, "2", '3', 4.0, true, object0)
System.arraycopy(object1, 1, object0, 1, 5)
expect(object0.mkString).toEqual("[1234true]")
val string0 = Array("a", "b", "c", "d", "e", "f")
val string1 = Array("1", "2", "3", "4")
System.arraycopy(string1, 0, string0, 3, 3)
expect(string0.mkString).toEqual("abc123")
val ab01Chars = Array("ab".toCharArray, "01".toCharArray)
val chars = new Array[Array[Char]](32)
System.arraycopy(ab01Chars, 0, chars, 0, 2)
for (i <- Seq(0, 2, 4, 8, 16)) {
System.arraycopy(chars, i / 4, chars, i, i)
}
expect(chars.filter(_ == null).length).toEqual(12)
expect(chars.filter(_ != null).map(_.mkString).mkString).
toEqual("ab01ab0101ab01ab0101ab0101ab01ab0101ab01")
}
it("should respond to `arraycopy` with range overlaps for the same array") {
val array = new Array[Int](10)
for (i <- 1 to 6) {
array(i) = i
}
expect(array).toEqual(Array(0, 1, 2, 3, 4, 5, 6, 0, 0, 0))
System.arraycopy(array, 0, array, 3, 7)
expect(array).toEqual(Array(0, 1, 2, 0, 1, 2, 3, 4, 5, 6))
System.arraycopy(array, 0, array, 1, 0)
expect(array).toEqual(Array(0, 1, 2, 0, 1, 2, 3, 4, 5, 6))
System.arraycopy(array, 0, array, 1, 9)
expect(array).toEqual(Array(0, 0, 1, 2, 0, 1, 2, 3, 4, 5))
System.arraycopy(array, 1, array, 0, 9)
expect(array).toEqual(Array(0, 1, 2, 0, 1, 2, 3, 4, 5, 5))
System.arraycopy(array, 0, array, 0, 10)
expect(array).toEqual(Array(0, 1, 2, 0, 1, 2, 3, 4, 5, 5))
val reversed = array.reverse
System.arraycopy(reversed, 5, array, 5, 5)
expect(array).toEqual(Array(0, 1, 2, 0, 1, 1, 0, 2, 1, 0))
}
it("should provide identityHashCode") {
/* This test is more restrictive than the spec, but we know our
* implementation will always pass the test.
*/
class HasIDHashCode
val x1 = new HasIDHashCode
val x2 = new HasIDHashCode
val x1FirstHash = x1.hashCode()
expect(x1.hashCode()).toEqual(x1FirstHash)
expect(x1.hashCode()).not.toEqual(x2.hashCode())
expect(x1.hashCode()).toEqual(x1FirstHash)
expect(System.identityHashCode(x1)).toEqual(x1FirstHash)
expect(System.identityHashCode(x2)).toEqual(x2.hashCode())
}
it("identityHashCode should by-pass .hashCode()") {
val list1 = List(1, 3, 5)
val list2 = List(1, 3, 5)
expect(list1 == list2).toBeTruthy
expect(list1.hashCode()).toEqual(list2.hashCode())
expect(System.identityHashCode(list1)).not.toEqual(System.identityHashCode(list2))
}
it("identityHashCode(null)") {
expect(System.identityHashCode(null)).toEqual(0)
}
it("identityHashCode of values implemented as JS primitives") {
expect(System.identityHashCode("foo")).toEqual("foo".hashCode())
expect(System.identityHashCode("")).toEqual("".hashCode())
expect(System.identityHashCode(false)).toEqual(false.hashCode())
expect(System.identityHashCode(true)).toEqual(true.hashCode())
expect(System.identityHashCode(5)).toEqual(5.hashCode())
expect(System.identityHashCode(789456)).toEqual(789456.hashCode())
}
}
}
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