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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
import js.annotation.JSExport
object DynamicTest extends JasmineTest {
describe("scala.scalajs.js.Dynamic") {
it("should workaround Scala 2.10 issue with implicit conversion for dynamic fields named x - #8") {
class Point(val x: Int, val y: Int)
def jsonToPoint(json: js.Dynamic) = {
new Point(json.x.toString.toInt, json.y.toString.toInt)
}
val json = js.eval("var dynamicTestPoint = { x: 1, y: 2 }; dynamicTestPoint;")
val point = jsonToPoint(json.asInstanceOf[js.Dynamic])
expect(point.x).toEqual(1)
expect(point.y).toEqual(2)
}
it("should allow to call functions with arguments named x") {
class A {
def a = 1
}
class B extends A {
@JSExport
def x(par: Int) = a + par // make sure `this` is bound correctly in JS
}
val b = (new B).asInstanceOf[js.Dynamic]
expect(b.x(10)).toEqual(11)
}
it("should allow instanciating JS classes dynamically - #10") {
val DynamicTestClass = js.eval("""
var DynamicTestClass = function(x) {
this.x = x;
};
DynamicTestClass;
""").asInstanceOf[js.Dynamic]
val obj = js.Dynamic.newInstance(DynamicTestClass)("Scala.js")
expect(obj.x).toEqual("Scala.js")
}
it("should allow instantiating JS classes dynamically with varargs - #708") {
val DynamicTestClassVarArgs = js.eval("""
var DynamicTestClassVarArgs = function() {
this.count = arguments.length;
for (var i = 0; i < arguments.length; i++)
this['elem'+i] = arguments[i];
};
DynamicTestClassVarArgs;
""").asInstanceOf[js.Dynamic]
val obj1 = js.Dynamic.newInstance(DynamicTestClassVarArgs)("Scala.js")
expect(obj1.count).toEqual(1)
expect(obj1.elem0).toEqual("Scala.js")
val obj2 = js.Dynamic.newInstance(DynamicTestClassVarArgs)(
"Scala.js", 42, true)
expect(obj2.count).toEqual(3)
expect(obj2.elem0).toEqual("Scala.js")
expect(obj2.elem1).toEqual(42)
expect(obj2.elem2).toEqual(true)
def obj3Args: Seq[js.Any] = Seq("Scala.js", 42, true)
val obj3 = js.Dynamic.newInstance(DynamicTestClassVarArgs)(obj3Args: _*)
expect(obj3.count).toEqual(3)
expect(obj3.elem0).toEqual("Scala.js")
expect(obj3.elem1).toEqual(42)
expect(obj3.elem2).toEqual(true)
}
it("should provide an object literal construction") {
import js.Dynamic.{ literal => obj }
val x = obj(foo = 3, bar = "foobar")
expect(x.foo).toEqual(3)
expect(x.bar).toEqual("foobar")
expect(x.unknown).toBeUndefined()
val y = obj(
inner = obj(name = "inner obj"),
fun = { () => 42 }
)
expect(y.inner.name).toEqual("inner obj")
expect(y.fun()).toEqual(42)
expect(obj().anything).toBeUndefined()
}
it("should provide object literal construction with dynamic naming") {
import js.Dynamic.{ literal => obj }
val x = obj("foo" -> 3, "bar" -> "foobar")
expect(x.foo).toEqual(3)
expect(x.bar).toEqual("foobar")
expect(x.unknown).toBeUndefined()
val tup1 = ("hello1", 3: js.Any)
val tup2 = ("hello2", 10: js.Any)
val y = obj(tup1, tup2)
expect(y.hello1).toEqual(3)
expect(y.hello2).toEqual(10)
var count = 0
val z = obj({ count += 1; ("foo", "bar")})
expect(z.foo).toEqual("bar")
expect(count).toEqual(1)
}
it("should allow to create an empty object with the literal syntax") {
import js.Dynamic.{ literal => obj }
val x = obj()
expect(x.isInstanceOf[js.Object]).toBeTruthy()
}
it("should properly encode object literal property names") {
import js.Dynamic.{ literal => obj }
val obj0 = obj("3-" -> 42)
expect(obj0.`3-`).toEqual(42)
val obj0Dict = obj0.asInstanceOf[js.Dictionary[js.Any]]
expect(obj0Dict("3-")).toEqual(42)
val checkEvilProperties = js.eval("""
function dynamicLiteralNameEncoding_checkEvilProperties(x) {
return x['.o[3√!|-pr()per7:3$];'] === ' such eval ';
}
dynamicLiteralNameEncoding_checkEvilProperties
""").asInstanceOf[js.Function1[js.Any, Boolean]]
val obj1 = obj(
".o[3√!|-pr()per7:3$];" -> " such eval ").asInstanceOf[js.Dictionary[js.Any]]
expect(obj1(".o[3√!|-pr()per7:3$];")).toEqual(" such eval ")
expect(checkEvilProperties(obj1)).toEqual(true)
val checkQuotesProperty = js.eval("""
function dynamicLiteralNameEncoding_quote(x) {
return x["'" + '"'] === 7357;
}
dynamicLiteralNameEncoding_quote
""").asInstanceOf[js.Function1[js.Any, Boolean]]
val quote = '"'
Seq(
obj("'" + quote -> 7357),
obj(s"'$quote" -> 7357),
obj("'\"" -> 7357),
obj("'" + quote -> 7357)
).foreach { o =>
val dict = o.asInstanceOf[js.Dictionary[js.Any]]
expect(dict("'\"")).toEqual(7357)
expect(dict("'" + quote)).toEqual(7357)
expect(dict(s"'$quote")).toEqual(7357)
expect(checkQuotesProperty(o)).toEqual(true)
}
}
it("should return subclasses of js.Object in literal construction - #783") {
import js.Dynamic.{ literal => obj }
val a: js.Object = obj(theValue = 1)
expect(a.hasOwnProperty("theValue")).toBeTruthy
expect(a.hasOwnProperty("noValue")).toBeFalsy
val b: js.Object = obj("theValue" -> 2)
expect(b.hasOwnProperty("theValue")).toBeTruthy
expect(b.hasOwnProperty("noValue")).toBeFalsy
}
}
}
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