Migrate language_2/resolution to NNBD.

Change-Id: Ib09966e3e8ed35927ade31d5fdc7cac8101206f8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150470
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>

tests/language/resolution/resolution_test.dart

@@ -0,0 +1,23 @@
+// 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";
+
+int get foo => 499;
+
+class CompileError {
+  var x;
+
+  // Dart2js tried to resolve factories twice. The second time during building
+  // when it was not allowed to do so.
+  factory CompileError() {
+    return new CompileError.internal(foo);
+  }
+
+  CompileError.internal(this.x);
+}
+
+void main() {
+  Expect.equals(499, new CompileError().x);
+}

tests/language/resolution/resolve_test.dart

@@ -0,0 +1,37 @@
+// 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.
+// Dart test for testing resolving of dynamic and static calls.
+
+import "package:expect/expect.dart";
+
+class A {
+  static staticCall() {
+    return 4;
+  }
+
+  dynamicCall() {
+    return 5;
+  }
+
+  ovrDynamicCall() {
+    return 6;
+  }
+}
+
+class B extends A {
+  ovrDynamicCall() {
+    return -6;
+  }
+}
+
+class ResolveTest {
+  static testMain() {
+    var b = new B();
+    Expect.equals(3, (b.dynamicCall() + A.staticCall() + b.ovrDynamicCall()));
+  }
+}
+
+main() {
+  ResolveTest.testMain();
+}

tests/language/resolution/unqual_name_test.dart

@@ -0,0 +1,40 @@
+// 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.
+// Dart test program to check that we can resolve unqualified identifiers
+
+import "package:expect/expect.dart";
+
+class B {
+  B(x, y) : b = y {}
+  var b;
+
+  get_b() {
+    // Resolving unqualified instance method.
+    return really_really_get_it();
+  }
+
+  really_really_get_it() {
+    return 5;
+  }
+}
+
+class UnqualNameTest {
+  static eleven() {
+    return 11;
+  }
+
+  static testMain() {
+    var o = new B(3, 5);
+    Expect.equals(11, eleven()); // Unqualified static method call.
+    Expect.equals(5, o.get_b());
+
+    // Check whether we handle variable initializers correctly.
+    var a = 1, x, b = a + 3;
+    Expect.equals(5, a + b);
+  }
+}
+
+main() {
+  UnqualNameTest.testMain();
+}