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Unified Diff: test/codegen/corelib/duration_big_num_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/duration_big_num_test.dart
diff --git a/test/codegen/corelib/duration_big_num_test.dart b/test/codegen/corelib/duration_big_num_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..789982de1590e01c3f3c7b3637a261e00bc727af
--- /dev/null
+++ b/test/codegen/corelib/duration_big_num_test.dart
@@ -0,0 +1,22 @@
+// Copyright (c) 2013, 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";
+import 'dart:math';
+
+main() {
+ Duration d, d1;
+
+ d1 = new Duration(microseconds: pow(2, 53));
+ d = d1 * 2;
+ Expect.equals(pow(2, 54), d.inMicroseconds);
+ d = d1 * 1.5;
+ Expect.equals(pow(2, 53).toDouble() * 1.5, d.inMicroseconds);
+ Expect.isTrue(d.inMicroseconds is int);
+
+ // Test that we lose precision when multiplying with a double.
+ d = new Duration(microseconds: pow(2, 53) + 1) * 1.0;
+ Expect.equals(0, d.inMicroseconds % 2);
+}
+
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