1 files changed, 70 insertions, 0 deletions
diff --git a/examples/scala-js/test-suite/src/test/scala/scala/scalajs/testsuite/jsinterop/ThisFunctionTest.scala b/examples/scala-js/test-suite/src/test/scala/scala/scalajs/testsuite/jsinterop/ThisFunctionTest.scala
new file mode 100644
index 0000000..4ac9058
--- /dev/null
+++ b/examples/scala-js/test-suite/src/test/scala/scala/scalajs/testsuite/jsinterop/ThisFunctionTest.scala
@@ -0,0 +1,70 @@
+/*                     __                                               *\
+**     ________ ___   / /  ___      __ ____  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 ThisFunctionTest extends JasmineTest {
+
+  describe("scala.scalajs.js.ThisFunctionN") {
+
+    it("should provide an implicit conversion from Scala function to js.ThisFunction") {
+      val g = js.eval("""
+          var g = function(f, x) { return f.call(x, 42, x.foo); }; g;
+      """).asInstanceOf[js.Function2[js.ThisFunction2[
+          js.Dynamic, Int, String, String], js.Dynamic, String]]
+
+      val f = { (thiz: js.Dynamic, v: Int, u: String) =>
+        expect(thiz).toBeTruthy()
+        expect(thiz.foobar).toEqual("foobar")
+        u + v
+      }
+      val obj = js.Object().asInstanceOf[js.Dynamic]
+      obj.foo = "foo"
+      obj.foobar = "foobar"
+      expect(g(f, obj)).toEqual("foo42")
+    }
+
+    it("should accept a lambda where a js.ThisFunction is expected") {
+      val g = js.eval("""
+          var g = function(f, x) { return f.call(x, 42, x.foo); }; g;
+      """).asInstanceOf[js.Function2[js.ThisFunction2[
+          js.Dynamic, Int, String, String], js.Dynamic, String]]
+
+      val obj = js.Object().asInstanceOf[js.Dynamic]
+      obj.foo = "foo"
+      obj.foobar = "foobar"
+      expect(g({ (thiz: js.Dynamic, v: Int, u: String) =>
+        expect(thiz).toBeTruthy()
+        expect(thiz.foobar).toEqual("foobar")
+        u + v
+      }, obj)).toEqual("foo42")
+    }
+
+    it("should bind the first argument to this when applying js.ThisFunctionN") {
+      val g = js.eval("""
+          var g = function(x) { return this.foo + ":" + x; }; g;
+      """).asInstanceOf[js.ThisFunction1[js.Dynamic, Int, String]]
+      val obj = js.Object().asInstanceOf[js.Dynamic]
+      obj.foo = "foo"
+      expect(g(obj, 42)).toEqual("foo:42")
+    }
+
+    it("should provide an implicit conversion from js.ThisFunction to Scala function") {
+      val g = js.eval("""
+          var g = function(x) { return this.foo + ":" + x; }; g;
+      """).asInstanceOf[js.ThisFunction1[js.Dynamic, Int, String]]
+      val f: scala.Function2[js.Dynamic, Int, String] = g
+      val obj = js.Object().asInstanceOf[js.Dynamic]
+      obj.foo = "foo"
+      expect(f(obj, 42)).toEqual("foo:42")
+    }
+
+  }
+}