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Unified Diff: pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart

Issue 2846103002: Generated front_end/testcases/inference test files from Analyzer tests. (Closed)
Patch Set: Created 3 years, 8 months ago
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Index: pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart
diff --git a/pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart b/pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart
new file mode 100644
index 0000000000000000000000000000000000000000..26ecda8ebb30f96e8917db56c73118eac9b48795
--- /dev/null
+++ b/pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.dart
@@ -0,0 +1,34 @@
+// Copyright (c) 2017, 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.
+
+/*@testedFeatures=inference*/
+library test;
+
+T run<T>(T f()) {
+ print("running");
+ var /*@type=T*/ t = f();
+ print("done running");
+ return /*@promotedType=none*/ t;
+}
+
+void printRunning() {
+ print("running");
+}
+
+var /*@topType=dynamic*/ x = run<dynamic>(printRunning);
+var /*@topType=dynamic*/ y = /*info:USE_OF_VOID_RESULT, error:TOP_LEVEL_TYPE_ARGUMENTS*/ run(
+ printRunning);
+
+main() {
+ void printRunning() {
+ print("running");
+ }
+
+ var /*@type=dynamic*/ x = run<dynamic>(printRunning);
+ var /*@type=void*/ y = /*info:USE_OF_VOID_RESULT*/ run(printRunning);
+ x = 123;
+ x = 'hi';
+ y = /*error:INVALID_ASSIGNMENT*/ 123;
+ y = /*error:INVALID_ASSIGNMENT*/ 'hi';
+}

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