Migrate test block 8 to Dart 2.0.

tests/corelib/expando_test.dart

Index: tests/corelib/expando_test.dart
diff --git a/tests/corelib/expando_test.dart b/tests/corelib/expando_test.dart
deleted file mode 100644
index 3b604e43792f02d06ba108264f8f5fed6df866b8..0000000000000000000000000000000000000000
--- a/tests/corelib/expando_test.dart
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright (c) 2012, 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.
-
-import "package:expect/expect.dart";
-
-class ExpandoTest {
-  static Expando<int> visits;
-
-  static testMain() {
-    visits = new Expando<int>('visits');
-    var legal = [
-      new Object(),
-      new List(),
-      [1, 2, 3],
-      const [1, 2, 3],
-      new Map(),
-      {'x': 1, 'y': 2},
-      const {'x': 1, 'y': 2},
-      new Expando(),
-      new Expando('horse')
-    ];
-    for (var object in legal) {
-      testNamedExpando(object);
-      testUnnamedExpando(object);
-    }
-    for (var object in legal) {
-      Expect.equals(2, visits[object], "$object");
-    }
-    testIllegal();
-    testIdentity();
-  }
-
-  static visit(object) {
-    int count = visits[object];
-    count = (count == null) ? 1 : count + 1;
-    visits[object] = count;
-  }
-
-  static testNamedExpando(object) {
-    Expando<int> expando = new Expando<int>('myexpando');
-    Expect.equals('myexpando', expando.name);
-    Expect.isTrue(expando.toString().startsWith('Expando:myexpando'));
-    testExpando(expando, object);
-  }
-
-  static testUnnamedExpando(object) {
-    Expando<int> expando = new Expando<int>();
-    Expect.isNull(expando.name);
-    Expect.isTrue(expando.toString().startsWith('Expando:'));
-    testExpando(expando, object);
-  }
-
-  static testExpando(Expando<int> expando, object) {
-    visit(object);
-
-    Expect.isNull(expando[object]);
-    expando[object] = 42;
-    Expect.equals(42, expando[object]);
-    expando[object] = null;
-    Expect.isNull(expando[object]);
-
-    Expando<int> alternative = new Expando('myexpando');
-    Expect.isNull(alternative[object]);
-    alternative[object] = 87;
-    Expect.isNull(expando[object]);
-    expando[object] = 99;
-    Expect.equals(99, expando[object]);
-    Expect.equals(87, alternative[object]);
-  }
-
-  static testIllegal() {
-    Expando<int> expando = new Expando<int>();
-    Expect.throws(
-        () => expando[null], (exception) => exception is ArgumentError, "null");
-    Expect.throws(() => expando['string'],
-        (exception) => exception is ArgumentError, "'string'");
-    Expect.throws(() => expando['string'],
-        (exception) => exception is ArgumentError, "'string'");
-    Expect.throws(
-        () => expando[42], (exception) => exception is ArgumentError, "42");
-    Expect.throws(() => expando[42.87],
-        (exception) => exception is ArgumentError, "42.87");
-    Expect.throws(
-        () => expando[true], (exception) => exception is ArgumentError, "true");
-    Expect.throws(() => expando[false],
-        (exception) => exception is ArgumentError, "false");
-  }
-
-  static testIdentity() {
-    // Expando only depends on identity of object.
-    Expando<int> expando = new Expando<int>();
-    var m1 = new Mutable(1);
-    var m2 = new Mutable(7);
-    var m3 = new Mutable(13);
-    expando[m1] = 42;
-    Expect.equals(42, expando[m1]);
-    m1.id = 37;
-    Expect.equals(42, expando[m1]);
-    expando[m2] = 37;
-    expando[m3] = 10;
-    m3.id = 1;
-    Expect.equals(42, expando[m1]);
-    Expect.equals(37, expando[m2]);
-    Expect.equals(10, expando[m3]);
-  }
-}
-
-main() => ExpandoTest.testMain();
-
-class Mutable {
-  int id;
-  Mutable(this.id);
-  int get hashCode => id;
-  bool operator ==(other) => other is Mutable && other.id == id;
-}