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Unified Diff: test/codegen/corelib/iterable_single_where_test.dart

Issue 1945153002: Add corelib tests (Closed) Base URL: https://github.com/dart-lang/dev_compiler@master
Patch Set: error_test and range_error_test now pass Created 4 years, 7 months ago
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Index: test/codegen/corelib/iterable_single_where_test.dart
diff --git a/test/codegen/corelib/iterable_single_where_test.dart b/test/codegen/corelib/iterable_single_where_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..e6fe7d9c79e8f539461c62eca75a43b2dfa1e176
--- /dev/null
+++ b/test/codegen/corelib/iterable_single_where_test.dart
@@ -0,0 +1,35 @@
+// 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';
+
+main() {
+ List<int> list1 = <int>[1, 2, 3];
+ List<int> list2 = const <int>[4, 5, 6];
+ List<String> list3 = <String>[];
+ Set<int> set1 = new Set<int>();
+ set1..add(11)
+ ..add(12)
+ ..add(13);
+ Set set2 = new Set();
+
+ Expect.equals(2, list1.singleWhere((x) => x.isEven));
+ Expect.equals(3, list1.singleWhere((x) => x == 3));
+ Expect.throws(() => list1.singleWhere((x) => x.isOdd),
+ (e) => e is StateError);
+
+ Expect.equals(6, list2.singleWhere((x) => x == 6));
+ Expect.equals(5, list2.singleWhere((x) => x.isOdd));
+ Expect.throws(() => list2.singleWhere((x) => x.isEven),
+ (e) => e is StateError);
+
+ Expect.throws(() => list3.singleWhere((x) => x == 0),
+ (e) => e is StateError);
+
+ Expect.equals(12, set1.singleWhere((x) => x.isEven));
+ Expect.equals(11, set1.singleWhere((x) => x == 11));
+ Expect.throws(() => set1.singleWhere((x) => x.isOdd));
+
+ Expect.throws(() => set2.singleWhere((x) => true), (e) => e is StateError);
+}
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