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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.javalib
import java.lang.{Long => JLong}
import org.scalajs.jasminetest.JasmineTest
/**
* tests the implementation of the java standard library Long
* requires jsinterop/LongTest to work to make sense
*/
object LongTest extends JasmineTest {
describe("java.lang.Long") {
it("should provide `reverseBytes`") {
expect(JLong.reverseBytes(0xf5ab689cd401ff14L) == 0x14ff01d49c68abf5L).toBeTruthy
}
it("should provide `rotateLeft`") {
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, 0) == 0xf5ab689cd401ff14L).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, 1) == 0xeb56d139a803fe29L).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, 8) == 0xab689cd401ff14f5L).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, 13) == 0x6d139a803fe29eb5L).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, 64) == 0xf5ab689cd401ff14L).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, 65) == 0xeb56d139a803fe29L).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, 80) == 0x689cd401ff14f5abL).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, -1) == 0x7ad5b44e6a00ff8aL).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, -56) == 0xab689cd401ff14f5L).toBeTruthy
expect(JLong.rotateLeft(0xf5ab689cd401ff14L, -70) == 0x53d6ada2735007fcL).toBeTruthy
}
it("should provide `rotateRight`") {
expect(JLong.rotateRight(0xf5ab689cd401ff14L, 0) == 0xf5ab689cd401ff14L).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, 1) == 0x7ad5b44e6a00ff8aL).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, 8) == 0x14f5ab689cd401ffL).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, 13) == 0xf8a7ad5b44e6a00fL).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, 64) == 0xf5ab689cd401ff14L).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, 65) == 0x7ad5b44e6a00ff8aL).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, 80) == 0xff14f5ab689cd401L).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, -1) == 0xeb56d139a803fe29L).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, -56) == 0x14f5ab689cd401ffL).toBeTruthy
expect(JLong.rotateRight(0xf5ab689cd401ff14L, -70) == 0x6ada2735007fc53dL).toBeTruthy
}
it("should implement bitCount") {
expect(JLong.bitCount(0L)).toEqual(0)
expect(JLong.bitCount(35763829229342837L)).toEqual(26)
expect(JLong.bitCount(-350003829229342837L)).toEqual(32)
}
it("should provide `compareTo`") {
def compare(x: Long, y: Long): Int =
new JLong(x).compareTo(new JLong(y))
expect(compare(0L, 5L)).toBeLessThan(0)
expect(compare(10L, 9L)).toBeGreaterThan(0)
expect(compare(-2L, -1L)).toBeLessThan(0)
expect(compare(3L, 3L)).toEqual(0)
}
it("should be a Comparable") {
def compare(x: Any, y: Any): Int =
x.asInstanceOf[Comparable[Any]].compareTo(y)
expect(compare(0L, 5L)).toBeLessThan(0)
expect(compare(10L, 9L)).toBeGreaterThan(0)
expect(compare(-2L, -1L)).toBeLessThan(0)
expect(compare(3L, 3L)).toEqual(0)
}
it("should parse strings") {
def test(s: String, v: Long): Unit = {
expect(JLong.parseLong(s)).toEqual(v)
expect(JLong.valueOf(s).longValue()).toEqual(v)
expect(new JLong(s).longValue()).toEqual(v)
}
test("0", 0L)
test("5", 5L)
test("127", 127L)
test("-100", -100L)
test("30000", 30000L)
test("-90000", -90000L)
test("4", 4L)
test("-4", -4L)
test("4000000000", 4000000000L)
test("-18014398509482040", -18014398509482040L)
}
it("should reject invalid strings when parsing") {
def test(s: String): Unit =
expect(() => JLong.parseLong(s)).toThrow
test("abc")
test("asdf")
test("")
}
it("should parse strings in base 16") {
def test(s: String, v: Long): Unit = {
expect(JLong.parseLong(s, 16)).toEqual(v)
expect(JLong.valueOf(s, 16).longValue()).toEqual(v)
}
test("0", 0x0L)
test("5", 0x5L)
test("ff", 0xffL)
test("-24", -0x24L)
test("30000", 0x30000L)
test("-90000", -0x90000L)
}
it("should implement toString") {
expect(Int.MaxValue.toLong.toString).toEqual("2147483647")
expect((-50L).toString).toEqual("-50")
expect((-1000000000L).toString).toEqual("-1000000000")
expect((Int.MaxValue.toLong+1L).toString).toEqual("2147483648")
expect(Int.MinValue.toLong.toString).toEqual("-2147483648")
}
it("should implement toBinaryString") {
expect(JLong.toBinaryString( 0L)).toEqual("0")
expect(JLong.toBinaryString( -1L)).toEqual("1111111111111111111111111111111111111111111111111111111111111111")
expect(JLong.toBinaryString( 456324454L)).toEqual("11011001100101111010101100110")
expect(JLong.toBinaryString( -456324454L)).toEqual("1111111111111111111111111111111111100100110011010000101010011010")
expect(JLong.toBinaryString( 98765432158845L)).toEqual("10110011101001110011110011111111111101001111101")
expect(JLong.toBinaryString(-49575304457780L)).toEqual("1111111111111111110100101110100101011001100101101001000111001100")
expect(JLong.toBinaryString(Long.MinValue )).toEqual("1000000000000000000000000000000000000000000000000000000000000000")
expect(JLong.toBinaryString(Long.MaxValue )).toEqual("111111111111111111111111111111111111111111111111111111111111111")
}
it("should implement toHexString") {
expect(JLong.toHexString( 0L)).toEqual("0")
expect(JLong.toHexString( -1L)).toEqual("ffffffffffffffff")
expect(JLong.toHexString( 456324454L)).toEqual("1b32f566")
expect(JLong.toHexString( -456324454L)).toEqual("ffffffffe4cd0a9a")
expect(JLong.toHexString( 98765432158845L)).toEqual("59d39e7ffa7d")
expect(JLong.toHexString(-49575304457780L)).toEqual("ffffd2e9599691cc")
expect(JLong.toHexString(Long.MinValue )).toEqual("8000000000000000")
expect(JLong.toHexString(Long.MaxValue )).toEqual("7fffffffffffffff")
}
it("should implement toOctalString") {
expect(JLong.toOctalString( 0L)).toEqual("0")
expect(JLong.toOctalString( -1L)).toEqual("1777777777777777777777")
expect(JLong.toOctalString( 456324454L)).toEqual("3314572546")
expect(JLong.toOctalString( -456324454L)).toEqual("1777777777774463205232")
expect(JLong.toOctalString( 98765432158845L)).toEqual("2635163637775175")
expect(JLong.toOctalString(-49575304457780L)).toEqual("1777776456453145510714")
expect(JLong.toOctalString(Long.MinValue )).toEqual("1000000000000000000000")
expect(JLong.toOctalString(Long.MaxValue )).toEqual("777777777777777777777")
}
it("should correctly compute trailing zeros") {
expect(JLong.numberOfTrailingZeros(0xff10000000000000L)).toEqual(52)
expect(JLong.numberOfTrailingZeros(0xff20000000000000L)).toEqual(53)
expect(JLong.numberOfTrailingZeros(0xff40000000000000L)).toEqual(54)
expect(JLong.numberOfTrailingZeros(0xff80000000000000L)).toEqual(55)
expect(JLong.numberOfTrailingZeros(0x0000010000000000L)).toEqual(40)
expect(JLong.numberOfTrailingZeros(0x0000020000000000L)).toEqual(41)
expect(JLong.numberOfTrailingZeros(0x0000040000000000L)).toEqual(42)
expect(JLong.numberOfTrailingZeros(0x0000080000000000L)).toEqual(43)
expect(JLong.numberOfTrailingZeros(0x0000000000010000L)).toEqual(16)
expect(JLong.numberOfTrailingZeros(0x0000000000020000L)).toEqual(17)
expect(JLong.numberOfTrailingZeros(0x0000000000040000L)).toEqual(18)
expect(JLong.numberOfTrailingZeros(0x0000000000080000L)).toEqual(19)
}
}
}
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