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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.javalib
import org.scalajs.jasminetest.JasmineTest
import scala.scalajs.js
object IntegerTest extends JasmineTest {
describe("java.lang.Integer") {
// Explicitly define these as `var`'s to avoid any compile-time constant folding
var MaxValue: Int = Int.MaxValue
var MinValue: Int = Int.MinValue
it("should provide `reverseBytes` used by scala.Enumeration") {
expect(Integer.reverseBytes(0xdeadbeef)).toEqual(0xefbeadde)
}
it("should provide `rotateLeft`") {
expect(Integer.rotateLeft(0x689cd401, 0)).toEqual(0x689cd401)
expect(Integer.rotateLeft(0x689cd401, 1)).toEqual(0xd139a802)
expect(Integer.rotateLeft(0x689cd401, 8)).toEqual(0x9cd40168)
expect(Integer.rotateLeft(0x689cd401, 13)).toEqual(0x9a802d13)
expect(Integer.rotateLeft(0x689cd401, 32)).toEqual(0x689cd401)
expect(Integer.rotateLeft(0x689cd401, 33)).toEqual(0xd139a802)
expect(Integer.rotateLeft(0x689cd401, 43)).toEqual(0xe6a00b44)
expect(Integer.rotateLeft(0x689cd401, -1)).toEqual(0xb44e6a00)
expect(Integer.rotateLeft(0x689cd401, -28)).toEqual(0x89cd4016)
expect(Integer.rotateLeft(0x689cd401, -39)).toEqual(0x2d139a8)
}
it("should provide `rotateRight`") {
expect(Integer.rotateRight(0x689cd401, 0)).toEqual(0x689cd401)
expect(Integer.rotateRight(0x689cd401, 1)).toEqual(0xb44e6a00)
expect(Integer.rotateRight(0x689cd401, 8)).toEqual(0x1689cd4)
expect(Integer.rotateRight(0x689cd401, 13)).toEqual(0xa00b44e6)
expect(Integer.rotateRight(0x689cd401, 32)).toEqual(0x689cd401)
expect(Integer.rotateRight(0x689cd401, 33)).toEqual(0xb44e6a00)
expect(Integer.rotateRight(0x689cd401, 43)).toEqual(0x802d139a)
expect(Integer.rotateRight(0x689cd401, -1)).toEqual(0xd139a802)
expect(Integer.rotateRight(0x689cd401, -28)).toEqual(0x1689cd40)
expect(Integer.rotateRight(0x689cd401, -39)).toEqual(0x4e6a00b4)
}
it("should provide `bitCount` used by Map") {
abstract sealed class Status
case object Used extends Status
case object Current extends Status
case object OneMove extends Status
case object MultipleMoves extends Status
case object Other extends Status
val map = Map(Used -> 0, Other -> 0, Current -> 0, MultipleMoves -> 1, OneMove -> 2)
expect(map.size).toEqual(5)
expect(map(MultipleMoves)).toEqual(1)
}
it("should provide `numberOfTrailingZeros`") {
expect(Integer.numberOfTrailingZeros(0xa3c49000)).toEqual(12)
expect(Integer.numberOfTrailingZeros(0x43f49020)).toEqual(5)
expect(Integer.numberOfTrailingZeros(0x43c08000)).toEqual(15)
expect(Integer.numberOfTrailingZeros(0)).toEqual(32)
}
it("should provide `toBinaryString` for values in range") {
expect(Integer.toBinaryString(-1)).toEqual("11111111111111111111111111111111")
expect(Integer.toBinaryString(-10001)).toEqual("11111111111111111101100011101111")
expect(Integer.toBinaryString(MinValue)).toEqual("10000000000000000000000000000000")
expect(Integer.toBinaryString(MaxValue)).toEqual("1111111111111111111111111111111")
}
it("should provide `toHexString` for values in range") {
expect(Integer.toHexString(-1)).toEqual("ffffffff")
expect(Integer.toHexString(-10001)).toEqual("ffffd8ef")
expect(Integer.toHexString(MinValue)).toEqual("80000000")
expect(Integer.toHexString(-2147000002)).toEqual("8007613e")
expect(Integer.toHexString(MaxValue)).toEqual("7fffffff")
}
it("should provide `toOctalString` for values in range") {
expect(Integer.toOctalString(-1)).toEqual("37777777777")
expect(Integer.toOctalString(-10001)).toEqual("37777754357")
expect(Integer.toOctalString(MinValue)).toEqual("20000000000")
expect(Integer.toOctalString(MaxValue)).toEqual("17777777777")
}
it("should provide `compareTo`") {
def compare(x: Int, y: Int): Int =
new Integer(x).compareTo(new Integer(y))
expect(compare(0, 5)).toBeLessThan(0)
expect(compare(10, 9)).toBeGreaterThan(0)
expect(compare(-2, -1)).toBeLessThan(0)
expect(compare(3, 3)).toEqual(0)
}
it("should be a Comparable") {
def compare(x: Any, y: Any): Int =
x.asInstanceOf[Comparable[Any]].compareTo(y)
expect(compare(0, 5)).toBeLessThan(0)
expect(compare(10, 9)).toBeGreaterThan(0)
expect(compare(-2, -1)).toBeLessThan(0)
expect(compare(3, 3)).toEqual(0)
}
it("should parse strings") {
def test(s: String, v: Int, radix: Int = 10): Unit = {
expect(Integer.parseInt(s, radix)).toEqual(v)
expect(Integer.valueOf(s, radix).intValue()).toEqual(v)
if (radix == 10)
expect(new Integer(s).intValue()).toEqual(v)
}
test("0", 0)
test("5", 5)
test("127", 127)
test("-100", -100)
test("30000", 30000)
test("-90000", -90000)
test("Kona", 411787, 27)
test("+42", 42)
test("-0", 0)
test("-FF", -255, 16)
}
it("should reject invalid strings when parsing") {
def test(s: String, radix: Int = 10): Unit =
expect(() => Integer.parseInt(s, radix)).toThrow
test("abc")
test("5a")
test("2147483648")
test("99", 8)
test("-")
test("")
}
it("should parse strings in base 16") {
def test(s: String, v: Int): Unit = {
expect(Integer.parseInt(s, 16)).toEqual(v)
expect(Integer.valueOf(s, 16).intValue()).toEqual(v)
}
test("0", 0x0)
test("5", 0x5)
test("ff", 0xff)
test("-24", -0x24)
test("30000", 0x30000)
test("-90000", -0x90000)
}
}
}
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