diff options
Diffstat (limited to 'test/files/run/reflection-magicsymbols-invoke.scala')
| -rw-r--r-- | test/files/run/reflection-magicsymbols-invoke.scala | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/test/files/run/reflection-magicsymbols-invoke.scala b/test/files/run/reflection-magicsymbols-invoke.scala new file mode 100644 index 0000000000..61ecc6458d --- /dev/null +++ b/test/files/run/reflection-magicsymbols-invoke.scala @@ -0,0 +1,94 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.universe.definitions._ +import scala.reflect.runtime.{currentMirror => cm} + +object Test extends App { + def key(sym: Symbol) = sym + ": " + sym.typeSignature + def test(tpe: Type, receiver: Any, method: String, args: Any*) { + def wrap[T](op: => T) = + try { + var result = op.asInstanceOf[AnyRef] + if (scala.runtime.ScalaRunTime.isArray(result)) + result = scala.runtime.ScalaRunTime.toObjectArray(result).toList + println(result) + } catch { + case ex: Throwable => + val realex = scala.reflect.runtime.ReflectionUtils.unwrapThrowable(ex) + println(realex.getClass + ": " + realex.getMessage) + } + print(s"testing ${tpe.typeSymbol.name}.$method: ") + wrap({ + if (method == nme.CONSTRUCTOR.toString) { + val ctor = tpe.declaration(nme.CONSTRUCTOR).asMethod + cm.reflectClass(ctor.owner.asClass).reflectConstructor(ctor)(args: _*) + } else { + val meth = tpe.declaration(newTermName(method).encodedName.toTermName).asMethod + cm.reflect(receiver).reflectMethod(meth)(args: _*) + } + }) + } + + println("============\nAny") + println("it's important to print the list of Any's members") + println("if some of them change (possibly, adding and/or removing magic symbols), we must update this test") + typeOf[Any].members.toList.sortBy(key).foreach(sym => println(key(sym))) + test(typeOf[Any], "2", "!=", "2") + test(typeOf[Any], "2", "##") + test(typeOf[Any], "2", "==", "2") + test(typeOf[Any], "2", "asInstanceOf") + test(typeOf[Any], "2", "asInstanceOf", typeOf[String]) + test(typeOf[Any], "2", "equals", "2") + test(typeOf[Any], "2", "getClass") + test(typeOf[Any], "2", "hashCode") + test(typeOf[Any], "2", "isInstanceOf") + test(typeOf[Any], "2", "isInstanceOf", typeOf[String]) + test(typeOf[Any], "2", "toString") + + println("============\nAnyVal") + println("it's important to print the list of AnyVal's members") + println("if some of them change (possibly, adding and/or removing magic symbols), we must update this test") + typeOf[AnyVal].declarations.toList.sortBy(key).foreach(sym => println(key(sym))) + test(typeOf[AnyVal], null, "<init>") + test(typeOf[AnyVal], 2, "getClass") + + println("============\nAnyRef") + println("it's important to print the list of AnyRef's members") + println("if some of them change (possibly, adding and/or removing magic symbols), we must update this test") + typeOf[AnyRef].members.toList.sortBy(key).foreach(sym => println(key(sym))) + test(typeOf[AnyRef], "2", "!=", "2") + test(typeOf[AnyRef], "2", "##") + test(typeOf[AnyRef], "2", "$asInstanceOf") + test(typeOf[AnyRef], "2", "$asInstanceOf", typeOf[String]) + test(typeOf[AnyRef], "2", "$isInstanceOf") + test(typeOf[AnyRef], "2", "$isInstanceOf", typeOf[String]) + test(typeOf[AnyRef], "2", "==", "2") + test(typeOf[AnyRef], "2", "clone") + test(typeOf[AnyRef], "2", "eq", "2") + test(typeOf[AnyRef], "2", "equals", "2") + test(typeOf[AnyRef], "2", "finalize") + test(typeOf[AnyRef], "2", "getClass") + test(typeOf[AnyRef], "2", "hashCode") + test(typeOf[AnyRef], "2", "ne", "2") + test(typeOf[AnyRef], "2", "notify") + test(typeOf[AnyRef], "2", "notifyAll") + test(typeOf[AnyRef], "2", "synchronized", "2") + test(typeOf[AnyRef], "2", "toString") + println("TODO: also test AnyRef.wait overloads") + + println("============\nArray") + println("it's important to print the list of Array's members") + println("if some of them change (possibly, adding and/or removing magic symbols), we must update this test") + ArrayClass.typeSignature.members.toList.sortBy(key).foreach(sym => println(key(sym))) + test(ArrayClass.typeSignature, Array(1, 2), "length") + test(ArrayClass.typeSignature, Array(1, 2), "apply", 0) + test(ArrayClass.typeSignature, Array(1, 2), "update", 0, 0) + test(ArrayClass.typeSignature, Array(1, 2), "clone") + + println("============\nOther") + test(typeOf[String], "2", "+", 3) + + println("============\nCTM") + test(PredefModule.moduleClass.typeSignature, Predef, "classOf") + test(PredefModule.moduleClass.typeSignature, Predef, "classOf", typeOf[String]) + test(typeOf[scala.reflect.base.Universe], scala.reflect.runtime.universe, "reify", "2") +}
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