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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.javalib
import scala.scalajs.js
import org.scalajs.jasminetest.JasmineTest
import java.util.{ Formatter, Formattable, FormattableFlags }
import java.lang.{
Double => JDouble,
Float => JFloat,
Integer => JInteger,
Long => JLong,
Byte => JByte,
Short => JShort,
Boolean => JBoolean,
String => JString
}
object FormatterTest extends JasmineTest {
class HelperClass
class FormattableClass extends Formattable {
var frm: Formatter = _
var flags: Int = _
var width: Int = _
var precision: Int = _
var calls = 0
def formatTo(frm: Formatter, flags: Int, width: Int, precision: Int) = {
this.calls += 1
this.flags = flags
this.width = width
this.precision = precision
frm.out().append("foobar")
}
def expectCalled(times: Int, flags: Int, width: Int, precision: Int) = {
expect(this.calls).toEqual(times)
expect(this.flags).toEqual(flags)
expect(this.width).toEqual(width)
expect(this.precision).toEqual(precision)
}
}
def expectF(format: String, args: AnyRef*) = {
val fmt = new Formatter()
val res = fmt.format(format, args:_*).toString()
fmt.close()
expect(res)
}
def expectFC(format: String, flags: Int, width: Int, precision: Int) = {
val fc = new FormattableClass
val exp = expectF(format, fc)
fc.expectCalled(1, flags, width, precision)
exp
}
def expectThrow(format: String, args: AnyRef*) = {
val fmt = new Formatter()
expect(() => fmt.format(format, args:_*)).toThrow
}
describe("java.util.Formatter") {
// Explicitly define these as `var`'s to avoid any compile-time constant folding
var IntMax: Int = Int.MaxValue
var IntMin: Int = Int.MinValue
var ByteMax: Byte = Byte.MaxValue
var ByteMin: Byte = Byte.MinValue
var ShortMax: Short = Short.MaxValue
var ShortMin: Short = Short.MinValue
it("should provide 'b' conversion") {
expectF("%b", null).toEqual("false")
expectF("%b", true: JBoolean).toEqual(JString.valueOf(true))
expectF("%b", false: JBoolean).toEqual(JString.valueOf(false))
expectF("%b", new HelperClass).toEqual("true")
}
it("should provide 'h' conversion") {
val x = new HelperClass
expectF("%h", x).toEqual(Integer.toHexString(x.hashCode()))
expectF("%H", x).toEqual(Integer.toHexString(x.hashCode()).toUpperCase())
expectF("%h", null).toEqual("null")
}
it("should provide 's' conversion") {
expectFC("%s", 0, -1, -1).toEqual("foobar")
expectFC("%-s", FormattableFlags.LEFT_JUSTIFY, -1, -1).toEqual("foobar")
expectFC("%-10s", FormattableFlags.LEFT_JUSTIFY, 10, -1).toEqual("foobar")
expectFC("%#-10.2s", FormattableFlags.LEFT_JUSTIFY |
FormattableFlags.ALTERNATE, 10, 2).toEqual("foobar")
expectFC("%#10.2S", FormattableFlags.UPPERCASE |
FormattableFlags.ALTERNATE, 10, 2).toEqual("foobar")
expectF("%10s", "hello").toEqual(" hello")
expectF("%-10s", "hello").toEqual("hello ")
expectThrow("%#s", "hello")
}
it("should provide 'c' conversion") {
expectF("%-5c", new Character('!')).toEqual("! ")
}
it("should provide 'd' conversion") {
expectF("%d", new Integer(5)).toEqual("5")
expectF("%05d", new Integer(5)).toEqual("00005")
expectF("%5d", new Integer(-10)).toEqual(" -10")
expectF("%05d", new Integer(-10)).toEqual("-0010")
}
it("should provide 'o' conversion") {
expectF("%o", new JInteger(8)).toEqual("10")
expectF("%05o", new JInteger(16)).toEqual("00020")
expectF("%5o", new JInteger(-10)).toEqual("37777777766")
expectF("%05o", new JInteger(-10)).toEqual("37777777766")
expectF("%o", new JByte(8.toByte)).toEqual("10")
expectF("%05o", new JByte(16.toByte)).toEqual("00020")
expectF("%14o", new JByte(-10.toByte)).toEqual(" 37777777766")
expectF("%05o", new JByte(-10.toByte)).toEqual("37777777766")
expectF("%o", new JShort(8.toShort)).toEqual("10")
expectF("%05o", new JShort(16.toShort)).toEqual("00020")
expectF("%5o", new JShort(-10.toShort)).toEqual("37777777766")
expectF("%015o",new JShort(-10.toShort)).toEqual("000037777777766")
expectF("%05o", new JLong(-5L)).toEqual("1777777777777777777773")
}
it("should provide 'x' conversion") {
expectF("%0#5x", new JInteger(5)).toEqual("0x005")
expectF("%#5x", new JInteger(5)).toEqual(" 0x5")
expectF("%#5X", new JInteger(5)).toEqual(" 0X5")
expectF("%x", new JInteger(-3)).toEqual("fffffffd")
expectF("%x", new JByte(-4.toByte)).toEqual("fffffffc")
expectF("%0#5x", new JByte(5.toByte)).toEqual("0x005")
expectF("%#5x", new JByte(5.toByte)).toEqual(" 0x5")
expectF("%#5X", new JByte(5.toByte)).toEqual(" 0X5")
expectF("%x", new JByte(-3.toByte)).toEqual("fffffffd")
expectF("%0#5x", new JShort(5.toShort)).toEqual("0x005")
expectF("%#5x", new JShort(5.toShort)).toEqual(" 0x5")
expectF("%#5X", new JShort(5.toShort)).toEqual(" 0X5")
expectF("%x", new JShort(-3.toShort)).toEqual("fffffffd")
expectF("%x", new JLong(-5L)).toEqual("fffffffffffffffb")
expectF("%X", new JLong(26L)).toEqual("1A")
}
it("should provide 'e' conversion") {
expectF("%e", new JDouble(1000)).toEqual("1.000000e+03")
expectF("%.0e", new JDouble(1.2e100)).toEqual("1e+100")
// We use 1.51e100 in this test, since we seem to have a floating
// imprecision at exactly 1.5e100 that yields to a rounding error
// towards (1e+100 instead of 2e+100)
expectF("%.0e", new JDouble(1.51e100)).toEqual("2e+100")
expectF("%10.2e", new JDouble(1.2e100)).toEqual(" 1.20e+100")
expectF("%012.4e", new JFloat(1.2e-21f)).toEqual("001.2000e-21")
expectF("%012.4E", new JFloat(1.2e-21f)).toEqual("001.2000E-21")
expectF("%(015.4e", new JFloat(-1.2e-21f)).toEqual("(0001.2000e-21)")
// Tests with infinity and NaN
expectF("%e", new JDouble(Double.PositiveInfinity)).toEqual("Infinity")
expectF("%e", new JDouble(Double.NegativeInfinity)).toEqual("-Infinity")
expectF("%010e", new JDouble(Double.PositiveInfinity)).toEqual(" Infinity")
expectF("%-10e", new JDouble(Double.PositiveInfinity)).toEqual("Infinity ")
expectF("%(e", new JDouble(Double.NegativeInfinity)).toEqual("(Infinity)")
expectF("%010e", new JDouble(Double.NaN)).toEqual(" NaN")
}
it("should provide 'g' conversion") {
expectF("%g", new JDouble(.5e-4)).toEqual("5.00000e-05")
expectF("%g", new JDouble(3e-4)).toEqual("0.000300000")
expectF("%.3g", new JDouble(3e-4)).toEqual("0.000300")
expectF("%.2g", new JDouble(1e-3)).toEqual("0.0010")
expectF("%g", new JDouble(3e5)).toEqual("300000")
expectF("%.3g", new JDouble(3e5)).toEqual("3.00e+05")
expectF("%04g", new JDouble(Double.NaN)).toEqual(" NaN")
}
it("should provide 'f' conversion") {
expectF("%f", new JDouble(3.3)).toEqual("3.300000")
expectF("%0(9.4f", new JDouble(-4.6)).toEqual("(04.6000)")
expectF("%f", new JFloat(3e10f)).toEqual("30000001024.000000")
expectF("%f", new JDouble(3e10)).toEqual("30000000000.000000")
expectF("%04f", new JDouble(Double.NaN)).toEqual(" NaN")
}
it("should support '%%'") {
expectF("%d%%%d", new JInteger(1), new JInteger(2)).toEqual("1%2")
}
it("should support '%n'") {
expectF("%d%n%d", new JInteger(1), new JInteger(2)).toEqual("1\n2")
}
it("should survive `null` and `undefined`") {
expectF("%s", null).toEqual("null")
expectF("%s", js.undefined).toEqual("undefined")
}
it("should allow 'f' string interpolation to survive `null` and `undefined`") {
expect(f"${null}%s").toEqual("null")
expect(f"${js.undefined}%s").toEqual("undefined")
}
it("should allow positional arguments") {
expectF("%2$d %1$d", new JInteger(1), new JInteger(2)).toEqual("2 1")
expectF("%2$d %2$d %d", new JInteger(1), new JInteger(2)).toEqual("2 2 1")
expectF("%2$d %<d %d", new JInteger(1), new JInteger(2)).toEqual("2 2 1")
}
it("should fail when called after close") {
val f = new Formatter()
f.close()
expect(() => f.toString()).toThrow
}
it("should fail with bad format specifier") {
expectThrow("hello world%")
expectThrow("%%%")
expectThrow("%q")
expectThrow("%1")
expectThrow("%_f")
}
it("should fail with not enough arguments") {
expectThrow("%f")
expectThrow("%d%d%d", new JInteger(1), new JInteger(1))
expectThrow("%10$d", new JInteger(1))
}
}
}
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