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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.jsinterop
import scala.scalajs.js
import org.scalajs.jasminetest.JasmineTest
object MiscInteropTest extends JasmineTest {
describe("scala.scalajs.js.package") {
it("should provide an equivalent to `typeof x`") {
import js.typeOf
expect(typeOf(5)).toEqual("number")
expect(typeOf(false)).toEqual("boolean")
expect(typeOf("hello")).toEqual("string")
expect(typeOf(null)).toEqual("object")
expect(typeOf(new js.Object)).toEqual("object")
expect(typeOf(())).toEqual("undefined")
expect(typeOf(() => 42)).toEqual("function")
}
}
describe("scala.scalajs.js.Object") {
it("should provide an equivalent to `p in o`") {
import js.Object.{ hasProperty => hasProp }
val o = js.Dynamic.literal(foo = 5, bar = "foobar").asInstanceOf[js.Object]
expect(hasProp(o, "foo")).toBeTruthy
expect(hasProp(o, "foobar")).toBeFalsy
expect(hasProp(o, "toString")).toBeTruthy // in prototype
}
it("should respect evaluation order for `hasProperty`") {
import js.Object.{ hasProperty => hasProp }
var indicator = 3
def o() = {
indicator += 4
js.Dynamic.literal(x = 5).asInstanceOf[js.Object]
}
def p() = {
indicator *= 2
"x"
}
expect(hasProp(o(), p())).toBeTruthy
expect(indicator).toEqual(14)
}
it("should provide equivalent of JS for-in loop of {} - #13") {
val obj = js.eval("var dictionaryTest13 = { a: 'Scala.js', b: 7357 }; dictionaryTest13;")
val dict = obj.asInstanceOf[js.Dictionary[js.Any]]
var propCount = 0
var propString = ""
for (prop <- js.Object.properties(dict)) {
propCount += 1
propString += dict(prop)
}
expect(propCount).toEqual(2)
expect(propString).toEqual("Scala.js7357")
}
it("should provide equivalent of JS for-in loop of [] - #13") {
val obj = js.eval("var arrayTest13 = [ 7, 3, 5, 7 ]; arrayTest13;")
val array = obj.asInstanceOf[js.Dictionary[js.Any]]
var propCount = 0
var propString = ""
for (prop <- js.Object.properties(array)) {
propCount += 1
propString += array(prop)
}
expect(propCount).toEqual(4)
expect(propString).toEqual("7357")
}
it("should compile js.undefined") {
expect(() => js.undefined.asInstanceOf[js.prim.Number].toString(10)).toThrow
}
}
}
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