Index: base/tr_rand_unittest.cc |
diff --git a/base/tr_rand_unittest.cc b/base/tr_rand_unittest.cc |
deleted file mode 100644 |
index 64a150005a8f0696d724d03ad807df3dac97bb5b..0000000000000000000000000000000000000000 |
--- a/base/tr_rand_unittest.cc |
+++ /dev/null |
@@ -1,66 +0,0 @@ |
-// Copyright 2004-2009 Google Inc. |
-// |
-// Licensed under the Apache License, Version 2.0 (the "License"); |
-// you may not use this file except in compliance with the License. |
-// You may obtain a copy of the License at |
-// |
-// http://www.apache.org/licenses/LICENSE-2.0 |
-// |
-// Unless required by applicable law or agreed to in writing, software |
-// distributed under the License is distributed on an "AS IS" BASIS, |
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
-// See the License for the specific language governing permissions and |
-// limitations under the License. |
-// ======================================================================== |
-// |
- |
-#include <cstring> |
-#include "omaha/base/tr_rand.h" |
-#include "omaha/testing/unit_test.h" |
- |
-namespace omaha { |
- |
-TEST(TRRandTest, TRRand) { |
- int min_period = +99999; |
- int max_period = -99999; |
- |
- int min_period_at = -99999; |
- int max_period_at = -99999; |
- |
- byte hits[65536] = {0}; |
- memset(hits, 0, sizeof(hits)); |
- |
- // Compute minimum and maximum period by considering all possible seed values. |
- for (int seed = 0; seed < 65536; ++seed) { |
- // See if value is part of some known sequence we've traversed. |
- // If multiple values map to same next-val, this check could cause us to |
- // report a min_period that's too short. But a long min_period still |
- // indicates success. |
- if (hits[seed]) { continue; } |
- |
- // Compute length of period starting at this seed. |
- tr_srand(seed); |
- int i = seed; |
- int period = 0; |
- do { |
- ++hits[i]; |
- ++period; |
- i = tr_rand(); |
- ASSERT_GE(i, 0); |
- } while (hits[i] == 0); |
- |
- // Update stats. |
- if (period < min_period) { |
- min_period = period; |
- min_period_at = seed; |
- } |
- if (period > max_period) { |
- max_period = period; |
- max_period_at = seed; |
- } |
- } |
- ASSERT_GE(min_period, (0xFFFF / 2)); |
-} |
- |
-} // namespace omaha |
- |