test rename overhaul: step 8 - language tests

tests/language/src/CallThroughNullGetterTest.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// Tests that we can call functions through getters which return null.
-
-final TOP_LEVEL_NULL = null;
-
-var topLevel;
-
-class CallThroughNullGetterTest {
-
-  static void testMain() {
-    testTopLevel();
-    testField();
-    testGetter();
-    testMethod();
-  }
-
-  static void testTopLevel() {
-    topLevel = null;
-    expectThrowsObjectNotClosureException(() { topLevel(); });
-    expectThrowsObjectNotClosureException(() { (topLevel)(); });
-    expectThrowsObjectNotClosureException(() { TOP_LEVEL_NULL(); });
-    expectThrowsObjectNotClosureException(() { (TOP_LEVEL_NULL)(); });
-  }
-
-  static void testField() {
-    A a = new A();
-
-    a.field = null;
-    expectThrowsObjectNotClosureException(() { a.field(); });
-    expectThrowsObjectNotClosureException(() { (a.field)(); });
-  }
-
-  static void testGetter() {
-    A a = new A();
-
-    a.field = null;
-    expectThrowsObjectNotClosureException(() { a.getter(); });
-    expectThrowsObjectNotClosureException(() { (a.getter)(); });
-  }
-
-  static void testMethod() {
-    A a = new A();
-
-    a.field = null;
-    expectThrowsObjectNotClosureException(() { a.method()(); });
-  }
-
-  static void expectThrowsNullPointerException(fn) {
-    var exception = catchException(fn);
-    if (!(exception is NullPointerException)) {
-      Expect.fail("Wrong exception.  Expected: NullPointerException"
-          + " got: ${exception}");
-    }
-  }
-
-  static void expectThrowsObjectNotClosureException(fn) {
-    var exception = catchException(fn);
-    if (!(exception is ObjectNotClosureException)) {
-      Expect.fail("Wrong exception.  Expected: ObjectNotClosureException"
-          + " got: ${exception}");
-    }
-  }
-
-  static catchException(fn) {
-    bool caught = false;
-    var result = null;
-    try {
-      fn();
-      Expect.equals(true, false);  // Shouldn't reach this.
-    } catch (var e) {
-      caught = true;
-      result = e;
-    }
-    Expect.equals(true, caught);
-    return result;
-  }
-
-}
-
-
-class A {
-
-  A() { }
-  var field;
-  get getter() { return field; }
-  method() { return field; }
-
-}
-
-main() {
-  CallThroughNullGetterTest.testMain();
-}