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Unified Diff: tests/corelib/compare_to_test.dart

Issue 10692099: Fix int.compareTo. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address comments. Created 8 years, 5 months ago
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Index: tests/corelib/compare_to_test.dart
diff --git a/tests/corelib/compare_to_test.dart b/tests/corelib/compare_to_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..9c10cf64f1ac94671b74c1bdcb29a98c59f01a15
--- /dev/null
+++ b/tests/corelib/compare_to_test.dart
@@ -0,0 +1,134 @@
+// 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.
+// Dart test for testing Math.min and Math.max.
+
+negate(x) => -x;
+
+main() {
+ // Test matrix:
+ // -inf < -499.0 == -499 < -0.0 < 0.0 == 0 < 499.0 == 499 < +inf < -NaN, NaN.
+ var inf = double.INFINITY;
+ var nan = double.NAN;
+ var mnan = negate(nan);
+
+ Expect.equals(0, (-inf).compareTo(-inf));
+ Expect.equals(-1, (-inf).compareTo(-499.0));
+ Expect.equals(-1, (-inf).compareTo(-499));
+ Expect.equals(-1, (-inf).compareTo(-0.0));
+ Expect.equals(-1, (-inf).compareTo(0));
+ Expect.equals(-1, (-inf).compareTo(0.0));
+ Expect.equals(-1, (-inf).compareTo(499.0));
+ Expect.equals(-1, (-inf).compareTo(499));
+ Expect.equals(-1, (-inf).compareTo(inf));
+ Expect.equals(-1, (-inf).compareTo(nan));
+ Expect.equals(-1, (-inf).compareTo(mnan));
+
+ Expect.equals(1, (-499.0).compareTo(-inf));
+ Expect.equals(0, (-499.0).compareTo(-499.0));
+ Expect.equals(0, (-499.0).compareTo(-499));
+ Expect.equals(-1, (-499.0).compareTo(-0.0));
+ Expect.equals(-1, (-499.0).compareTo(0));
+ Expect.equals(-1, (-499.0).compareTo(0.0));
+ Expect.equals(-1, (-499.0).compareTo(499.0));
+ Expect.equals(-1, (-499.0).compareTo(499));
+ Expect.equals(-1, (-499.0).compareTo(inf));
+ Expect.equals(-1, (-499.0).compareTo(nan));
+ Expect.equals(-1, (-499.0).compareTo(mnan));
+
+ Expect.equals(1, (-499).compareTo(-inf));
+ Expect.equals(0, (-499).compareTo(-499.0));
+ Expect.equals(0, (-499).compareTo(-499));
+ Expect.equals(-1, (-499).compareTo(-0.0));
+ Expect.equals(-1, (-499).compareTo(0));
+ Expect.equals(-1, (-499).compareTo(0.0));
+ Expect.equals(-1, (-499).compareTo(499.0));
+ Expect.equals(-1, (-499).compareTo(499));
+ Expect.equals(-1, (-499).compareTo(inf));
+ Expect.equals(-1, (-499).compareTo(nan));
+ Expect.equals(-1, (-499).compareTo(mnan));
+
+ Expect.equals(1, (-0.0).compareTo(-inf));
+ Expect.equals(1, (-0.0).compareTo(-499.0));
+ Expect.equals(1, (-0.0).compareTo(-499));
+ Expect.equals(0, (-0.0).compareTo(-0.0));
+ Expect.equals(-1, (-0.0).compareTo(0));
+ Expect.equals(-1, (-0.0).compareTo(0.0));
+ Expect.equals(-1, (-0.0).compareTo(499.0));
+ Expect.equals(-1, (-0.0).compareTo(499));
+ Expect.equals(-1, (-0.0).compareTo(inf));
+ Expect.equals(-1, (-0.0).compareTo(nan));
+ Expect.equals(-1, (-0.0).compareTo(mnan));
+
+ Expect.equals(1, (0).compareTo(-inf));
+ Expect.equals(1, (0).compareTo(-499.0));
+ Expect.equals(1, (0).compareTo(-499));
+ Expect.equals(1, (0).compareTo(-0.0));
+ Expect.equals(0, (0).compareTo(0));
+ Expect.equals(0, (0).compareTo(0.0));
+ Expect.equals(-1, (0).compareTo(499.0));
+ Expect.equals(-1, (0).compareTo(499));
+ Expect.equals(-1, (0).compareTo(inf));
+ Expect.equals(-1, (0).compareTo(nan));
+ Expect.equals(-1, (0).compareTo(mnan));
+
+ Expect.equals(1, (0.0).compareTo(-inf));
+ Expect.equals(1, (0.0).compareTo(-499.0));
+ Expect.equals(1, (0.0).compareTo(-499));
+ Expect.equals(1, (0.0).compareTo(-0.0));
+ Expect.equals(0, (0.0).compareTo(0));
+ Expect.equals(0, (0.0).compareTo(0.0));
+ Expect.equals(-1, (0.0).compareTo(499.0));
+ Expect.equals(-1, (0.0).compareTo(499));
+ Expect.equals(-1, (0.0).compareTo(inf));
+ Expect.equals(-1, (0.0).compareTo(nan));
+ Expect.equals(-1, (0.0).compareTo(mnan));
+
+ Expect.equals(1, (499.0).compareTo(-inf));
+ Expect.equals(1, (499.0).compareTo(-499.0));
+ Expect.equals(1, (499.0).compareTo(-499));
+ Expect.equals(1, (499.0).compareTo(-0.0));
+ Expect.equals(1, (499.0).compareTo(0));
+ Expect.equals(1, (499.0).compareTo(0.0));
+ Expect.equals(0, (499.0).compareTo(499.0));
+ Expect.equals(0, (499.0).compareTo(499));
+ Expect.equals(-1, (499.0).compareTo(inf));
+ Expect.equals(-1, (499.0).compareTo(nan));
+ Expect.equals(-1, (499.0).compareTo(mnan));
+
+ Expect.equals(1, (499).compareTo(-inf));
+ Expect.equals(1, (499).compareTo(-499.0));
+ Expect.equals(1, (499).compareTo(-499));
+ Expect.equals(1, (499).compareTo(-0.0));
+ Expect.equals(1, (499).compareTo(0));
+ Expect.equals(1, (499).compareTo(0.0));
+ Expect.equals(0, (499).compareTo(499.0));
+ Expect.equals(0, (499).compareTo(499));
+ Expect.equals(-1, (499).compareTo(inf));
+ Expect.equals(-1, (499).compareTo(nan));
+ Expect.equals(-1, (499).compareTo(mnan));
+
+ Expect.equals(1, inf.compareTo(-inf));
+ Expect.equals(1, inf.compareTo(-499.0));
+ Expect.equals(1, inf.compareTo(-499));
+ Expect.equals(1, inf.compareTo(-0.0));
+ Expect.equals(1, inf.compareTo(0));
+ Expect.equals(1, inf.compareTo(0.0));
+ Expect.equals(1, inf.compareTo(499.0));
+ Expect.equals(1, inf.compareTo(499));
+ Expect.equals(0, inf.compareTo(inf));
+ Expect.equals(-1, inf.compareTo(nan));
+ Expect.equals(-1, inf.compareTo(mnan));
+
+ Expect.equals(1, nan.compareTo(-inf));
+ Expect.equals(1, nan.compareTo(-499.0));
+ Expect.equals(1, nan.compareTo(-499));
+ Expect.equals(1, nan.compareTo(-0.0));
+ Expect.equals(1, nan.compareTo(0));
+ Expect.equals(1, nan.compareTo(0.0));
+ Expect.equals(1, nan.compareTo(499.0));
+ Expect.equals(1, nan.compareTo(499));
+ Expect.equals(1, nan.compareTo(inf));
+ Expect.equals(0, nan.compareTo(nan));
+ Expect.equals(0, nan.compareTo(mnan));
+}
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