[dart2js] Port some tests to nnbd #5.

Change-Id: Ic9912d94e1248df70a92e2504af87d42d5ca0528 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152617 Commit-Queue: Joshua Litt <joshualitt@google.com> Reviewed-by: Mayank Patke <fishythefish@google.com>
skia-flutter-autoroll · Jul 14, 2020 · cfeb1d6 · cfeb1d6
1 parent b19fefa
commit cfeb1d6
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Showing 20 changed files with 72 additions and 94 deletions.
diff --git a/tests/dart2js/panda_test.dart b/tests/dart2js/panda_test.dart
@@ -8,7 +8,7 @@ import "package:expect/expect.dart";
 import 'panda_lib.dart' as p;
 
 void main() {
-  p.Panda x = new p.Panda();
+  p.Panda? x = new p.Panda();
   Expect.isTrue(x is p.Panda);
   x = null;
   Expect.isFalse(x is p.Panda);

diff --git a/tests/dart2js/regress_40349_test.dart b/tests/dart2js/regress_40349_test.dart
@@ -21,7 +21,7 @@ dynamic x = Wrapper<int>();
 
 class A<E> {
   int _foo = 0;
-  List<E> list = [null];
+  List<E?> list = [null];
 
   @pragma('dart2js:tryInline')
   void internalMethod(E value) {

diff --git a/tests/dart2js/regress_null_aware_test.dart b/tests/dart2js/regress_null_aware_test.dart
@@ -5,17 +5,11 @@
 // Regression test for failure on CFE null-aware encoding.
 
 class Class {
-  Map<String, Set<String>> map;
+  Map<String, Set<String>>? map;
 
-  List<String> method(String node, Set<String> set) =>
-      set.add(node)
-          ? [
-              node,
-              ...?map[node]
-                  ?.expand((node) => method(node, set))
-                  ?.toList()
-            ]
-          : [];
+  List<String> method(String node, Set<String> set) => set.add(node)
+      ? [node, ...?map![node]?.expand((node) => method(node, set))?.toList()]
+      : [];
 }
 
 main(args) {

diff --git a/tests/dart2js/return_setter_test.dart b/tests/dart2js/return_setter_test.dart
@@ -5,13 +5,13 @@
 import "package:expect/expect.dart";
 
 class A {
-  int foo;
+  int? foo;
 
-  static int invocations;
+  static int? invocations;
 
   static bar() {
     Expect.equals(0, invocations);
-    invocations++;
+    invocations = invocations! + 1;
     return 2;
   }
 }

diff --git a/tests/dart2js/runtime_type_closure_equals1_test.dart b/tests/dart2js/runtime_type_closure_equals1_test.dart
@@ -2,8 +2,6 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
 class Class<T> {
@@ -19,5 +17,5 @@ main() {
 
   Expect.isTrue(local1a.runtimeType == local1b.runtimeType);
   Expect.isFalse(local1a.runtimeType == local2.runtimeType);
-  new Class();
+  Class();
 }
diff --git a/tests/dart2js/runtime_type_closure_equals2_test.dart b/tests/dart2js/runtime_type_closure_equals2_test.dart
@@ -2,22 +2,20 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
 class Class<T> {
   Class();
 }
 
 main() {
-  T local1a<T>() => null;
+  T local1a<T>() => throw 'unreachable';
 
-  T local1b<T>() => null;
+  T local1b<T>() => throw 'unreachable';
 
   T local2<T>(T t, String s) => t;
 
   Expect.isTrue(local1a.runtimeType == local1b.runtimeType);
   Expect.isFalse(local1a.runtimeType == local2.runtimeType);
-  new Class();
+  Class();
 }
diff --git a/tests/dart2js/runtime_type_closure_equals3_test.dart b/tests/dart2js/runtime_type_closure_equals3_test.dart
@@ -2,19 +2,17 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
-String method() => null;
+String method() => throw 'unreachable';
 
 class Class1<T> {
   Class1();
 
   method() {
-    T local1a() => null;
+    T local1a() => throw 'unreachable';
 
-    T local1b() => null;
+    T local1b() => throw 'unreachable';
 
     T local2(T t, String s) => t;
 
@@ -29,6 +27,6 @@ class Class2<T> {
 }
 
 main() {
-  new Class1<int>().method();
-  new Class2<int>();
+  Class1<int>().method();
+  Class2<int>();
 }
diff --git a/tests/dart2js/runtime_type_closure_equals4_test.dart b/tests/dart2js/runtime_type_closure_equals4_test.dart
@@ -2,8 +2,6 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
 class Class1<T> {
@@ -21,9 +19,9 @@ class Class2<T> {
 }
 
 main() {
-  var c = new Class1<int>();
+  var c = Class1<int>();
 
   Expect.isTrue(c.method1a.runtimeType == c.method1b.runtimeType);
   Expect.isFalse(c.method1a.runtimeType == c.method2.runtimeType);
-  new Class2<int>();
+  Class2<int>();
 }
diff --git a/tests/dart2js/runtime_type_closure_equals5_test.dart b/tests/dart2js/runtime_type_closure_equals5_test.dart
@@ -2,16 +2,14 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
 class Class1<T> {
   Class1();
 
-  T method1a() => null;
+  T method1a() => throw 'unreachable';
 
-  T method1b() => null;
+  T method1b() => throw 'unreachable';
 
   T method2(T t, String s) => t;
 }
@@ -21,9 +19,9 @@ class Class2<T> {
 }
 
 main() {
-  var c = new Class1<int>();
+  var c = Class1<int>();
 
   Expect.isTrue(c.method1a.runtimeType == c.method1b.runtimeType);
   Expect.isFalse(c.method1a.runtimeType == c.method2.runtimeType);
-  new Class2<int>();
+  Class2<int>();
 }
diff --git a/tests/dart2js/runtime_type_closure_equals6_test.dart b/tests/dart2js/runtime_type_closure_equals6_test.dart
@@ -2,8 +2,6 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
 method1a() => null;
@@ -19,5 +17,5 @@ class Class<T> {
 main() {
   Expect.isTrue(method1a.runtimeType == method1b.runtimeType);
   Expect.isFalse(method1a.runtimeType == method2.runtimeType);
-  new Class<int>();
+  Class<int>();
 }
diff --git a/tests/dart2js/runtime_type_closure_equals7_test.dart b/tests/dart2js/runtime_type_closure_equals7_test.dart
@@ -2,13 +2,11 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
-T method1a<T>() => null;
+T method1a<T>() => throw 'unreachable';
 
-T method1b<T>() => null;
+T method1b<T>() => throw 'unreachable';
 
 T method2<T>(T t, String s) => t;
 
@@ -19,5 +17,5 @@ class Class<T> {
 main() {
   Expect.isTrue(method1a.runtimeType == method1b.runtimeType);
   Expect.isFalse(method1a.runtimeType == method2.runtimeType);
-  new Class<int>();
+  Class<int>();
 }
diff --git a/tests/dart2js/runtime_type_closure_equals8_test.dart b/tests/dart2js/runtime_type_closure_equals8_test.dart
@@ -2,16 +2,14 @@
 // 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.
 
-// dart2jsOptions=--strong
-
 import 'package:expect/expect.dart';
 
 class Class1<S> {
   Class1();
 
-  T method1a<T>() => null;
+  T method1a<T>() => throw 'unreachable';
 
-  T method1b<T>() => null;
+  T method1b<T>() => throw 'unreachable';
 
   T method2<T>(T t, String s) => t;
 }
@@ -21,9 +19,9 @@ class Class2<T> {
 }
 
 main() {
-  var c = new Class1<int>();
+  var c = Class1<int>();
 
   Expect.isTrue(c.method1a.runtimeType == c.method1b.runtimeType);
   Expect.isFalse(c.method1a.runtimeType == c.method2.runtimeType);
-  new Class2<int>();
+  Class2<int>();
 }
diff --git a/tests/dart2js/static_field2_test.dart b/tests/dart2js/static_field2_test.dart
@@ -5,7 +5,7 @@
 import "package:expect/expect.dart";
 
 class A {
-  static int b;
+  static int? b;
 }
 
 main() {

diff --git a/tests/dart2js/static_field_test.dart b/tests/dart2js/static_field_test.dart
@@ -5,7 +5,7 @@
 import "package:expect/expect.dart";
 
 class A {
-  static int b;
+  static int? b;
 
   setA(val) {
     b = val;
@@ -21,7 +21,7 @@ class A {
 }
 
 main() {
-  A a = new A();
+  A a = A();
   a.setA(42);
   Expect.equals(42, a.bar());
   Expect.equals(42, a.bar2());

diff --git a/tests/dart2js/static_var_no_initializer_test.dart b/tests/dart2js/static_var_no_initializer_test.dart
@@ -4,8 +4,8 @@
 
 import "package:expect/expect.dart";
 
-int one;
-int x;
+int? one;
+int? x;
 
 void testOne() {
   Expect.equals(1, one);
@@ -16,7 +16,7 @@ void testX(var expected) {
 }
 
 void increaseX() {
-  x = x + 1;
+  x = x! + 1;
 }
 
 void main() {
@@ -26,7 +26,7 @@ void main() {
   testOne();
   Expect.equals(5, x);
   testX(5);
-  x = x + 1;
+  x = x! + 1;
   Expect.equals(6, x);
   testX(6);
   increaseX();

diff --git a/tests/dart2js/string_interpolation_opt1_test.dart b/tests/dart2js/string_interpolation_opt1_test.dart
@@ -7,7 +7,7 @@ import 'dart:math';
 
 // Test that String interpolation works in some optimized cases.
 
-bool get inscrutableFalse => new Random().nextDouble() > 2;
+bool get inscrutableFalse => Random().nextDouble() > 2;
 
 returnsNullOrString(x) {
   if (inscrutableFalse) return 'hi';
@@ -27,7 +27,7 @@ spoil(a) {
 }
 
 void testString() {
-  var a = new List(100); // 'null' values in here are JavaScript undefined.
+  var a = []..length = 100; // 'null' values in here are JavaScript undefined.
   spoil(a);
   var s = returnsNullOrString('hi');
   var x = a[2];
@@ -39,7 +39,7 @@ void testString() {
 }
 
 void testInt() {
-  var a = new List(100); // 'null' values in here are JavaScript undefined.
+  var a = []..length = 100; // 'null' values in here are JavaScript undefined.
   spoil(a);
   var s = returnsNullOrInt(123);
   var x = a[2];

diff --git a/tests/dart2js/super_constructor1_test.dart b/tests/dart2js/super_constructor1_test.dart
@@ -4,7 +4,7 @@
 
 import "package:expect/expect.dart";
 
-String message;
+String? message;
 
 class A {
   int x;
@@ -33,7 +33,7 @@ class C extends B {
 
 main() {
   message = '';
-  var c = new C(7);
+  var c = C(7);
   Expect.equals(27, c.x);
   Expect.equals(21, c.y);
   Expect.equals(7, c.z);

diff --git a/tests/dart2js/tear_off_types_test.dart b/tests/dart2js/tear_off_types_test.dart
@@ -27,9 +27,9 @@ test1() {
   Expect.isFalse(_test1(method1c));
 }
 
-B1 method1a() => null;
-A1<int> method1b() => null;
-A1<String> method1c() => null;
+B1 method1a() => throw 'unreachable';
+A1<int> method1b() => throw 'unreachable';
+A1<String> method1c() => throw 'unreachable';
 
 @pragma('dart2js:noInline')
 bool _test1(f) => f is A1<int> Function();
@@ -81,9 +81,9 @@ test4() {
   Expect.isFalse(_test4(method4c));
 }
 
-B4 method4a() => null;
-A4<int> method4b() => null;
-A4<String> method4c() => null;
+B4 method4a() => throw 'unreachable';
+A4<int> method4b() => throw 'unreachable';
+A4<String> method4c() => throw 'unreachable';
 
 @pragma('dart4js:noInline')
 _test4(f) => f is B4 Function();
@@ -117,9 +117,9 @@ test6() {
   Expect.isFalse(_test6(method6c));
 }
 
-void Function(B6) method6a() => null;
-void Function(A6<int>) method6b() => null;
-void Function(A6<String>) method6c() => null;
+void Function(B6) method6a() => throw 'unreachable';
+void Function(A6<int>) method6b() => throw 'unreachable';
+void Function(A6<String>) method6c() => throw 'unreachable';
 
 @pragma('dart6js:noInline')
 _test6(f) => f is void Function(B6) Function();