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Unified Diff: base/metrics/bucket_ranges_unittest.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/metrics/bucket_ranges_unittest.cc
diff --git a/base/metrics/bucket_ranges_unittest.cc b/base/metrics/bucket_ranges_unittest.cc
deleted file mode 100644
index fc0699c733792430faaae1dfe4ece1b592ac36d2..0000000000000000000000000000000000000000
--- a/base/metrics/bucket_ranges_unittest.cc
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/metrics/bucket_ranges.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-namespace {
-
-TEST(BucketRangesTest, NormalSetup) {
- BucketRanges ranges(5);
- ASSERT_EQ(5u, ranges.size());
- ASSERT_EQ(4u, ranges.bucket_count());
-
- for (int i = 0; i < 5; ++i) {
- EXPECT_EQ(0, ranges.range(i));
- }
- EXPECT_EQ(0u, ranges.checksum());
-
- ranges.set_range(3, 100);
- EXPECT_EQ(100, ranges.range(3));
-}
-
-TEST(BucketRangesTest, Equals) {
- // Compare empty ranges.
- BucketRanges ranges1(3);
- BucketRanges ranges2(3);
- BucketRanges ranges3(5);
-
- EXPECT_TRUE(ranges1.Equals(&ranges2));
- EXPECT_FALSE(ranges1.Equals(&ranges3));
- EXPECT_FALSE(ranges2.Equals(&ranges3));
-
- // Compare full filled ranges.
- ranges1.set_range(0, 0);
- ranges1.set_range(1, 1);
- ranges1.set_range(2, 2);
- ranges1.set_checksum(100);
- ranges2.set_range(0, 0);
- ranges2.set_range(1, 1);
- ranges2.set_range(2, 2);
- ranges2.set_checksum(100);
-
- EXPECT_TRUE(ranges1.Equals(&ranges2));
-
- // Checksum does not match.
- ranges1.set_checksum(99);
- EXPECT_FALSE(ranges1.Equals(&ranges2));
- ranges1.set_checksum(100);
-
- // Range does not match.
- ranges1.set_range(1, 3);
- EXPECT_FALSE(ranges1.Equals(&ranges2));
-}
-
-TEST(BucketRangesTest, Checksum) {
- BucketRanges ranges(3);
- ranges.set_range(0, 0);
- ranges.set_range(1, 1);
- ranges.set_range(2, 2);
-
- ranges.ResetChecksum();
- EXPECT_EQ(289217253u, ranges.checksum());
-
- ranges.set_range(2, 3);
- EXPECT_FALSE(ranges.HasValidChecksum());
-
- ranges.ResetChecksum();
- EXPECT_EQ(2843835776u, ranges.checksum());
- EXPECT_TRUE(ranges.HasValidChecksum());
-}
-
-// Table was generated similarly to sample code for CRC-32 given on:
-// http://www.w3.org/TR/PNG/#D-CRCAppendix.
-TEST(BucketRangesTest, Crc32TableTest) {
- for (int i = 0; i < 256; ++i) {
- uint32 checksum = i;
- for (int j = 0; j < 8; ++j) {
- const uint32 kReversedPolynomial = 0xedb88320L;
- if (checksum & 1)
- checksum = kReversedPolynomial ^ (checksum >> 1);
- else
- checksum >>= 1;
- }
- EXPECT_EQ(kCrcTable[i], checksum);
- }
-}
-
-} // namespace
-} // namespace base
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