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Unified Diff: test/codegen/corelib/hashcode_boxed_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/hashcode_boxed_test.dart
diff --git a/test/codegen/corelib/hashcode_boxed_test.dart b/test/codegen/corelib/hashcode_boxed_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..6b1d44c7298302ffaa8c025eefabbe531277a518
--- /dev/null
+++ b/test/codegen/corelib/hashcode_boxed_test.dart
@@ -0,0 +1,21 @@
+// 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";
+
+double fib(double n) {
+ return n <= 1.0 ? 1.0 : fib(n-1) + fib(n-2);
+}
+
+main() {
+ // Compute the same value in a way that won't be optimized away so the results
+ // are different objects in memory.
+ var a = fib(5.0) + 1.0;
+ var b = fib(4.0) + 4.0;
+
+ Expect.isTrue(identical(a, b));
+ Expect.equals(identityHashCode(a), identityHashCode(b));
+ Expect.equals(a, b);
+ Expect.equals(a.hashCode, b.hashCode);
+}
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