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author | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-18 18:32:15 +0000 |
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committer | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-18 18:32:15 +0000 |
commit | f9fc018f52b80dff2bb0193f76cfa640a688ded5 (patch) | |
tree | a6915a0d0d2b4091a34ebd8b33f624c22e541f9b /net/disk_cache/bitmap_unittest.cc | |
parent | 9560143c62a704f58ccfe83b56f2f73cf22874bb (diff) | |
download | chromium_src-f9fc018f52b80dff2bb0193f76cfa640a688ded5.zip chromium_src-f9fc018f52b80dff2bb0193f76cfa640a688ded5.tar.gz chromium_src-f9fc018f52b80dff2bb0193f76cfa640a688ded5.tar.bz2 |
Revert cl 18723.
TBR=nsylvain
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@18726 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'net/disk_cache/bitmap_unittest.cc')
-rw-r--r-- | net/disk_cache/bitmap_unittest.cc | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/net/disk_cache/bitmap_unittest.cc b/net/disk_cache/bitmap_unittest.cc deleted file mode 100644 index d80ea74..0000000 --- a/net/disk_cache/bitmap_unittest.cc +++ /dev/null @@ -1,293 +0,0 @@ -// Copyright (c) 2009 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 "net/disk_cache/bitmap.h" -#include "testing/gtest/include/gtest/gtest.h" - -TEST(BitmapTest, OverAllocate) { - // Test that we don't over allocate on boundaries. - disk_cache::Bitmap map32(32, false); - EXPECT_EQ(1, map32.ArraySize()); - - disk_cache::Bitmap map64(64, false); - EXPECT_EQ(2, map64.ArraySize()); -} - -TEST(BitmapTest, DefaultConstructor) { - // Verify that the default constructor doesn't allocate a bitmap. - disk_cache::Bitmap map; - EXPECT_EQ(0, map.Size()); - EXPECT_EQ(0, map.ArraySize()); - EXPECT_TRUE(NULL == map.GetMap()); -} - -TEST(BitmapTest, Basics) { - disk_cache::Bitmap bitmap(80, true); - const uint32 kValue = 0x74f10060; - - // Test proper allocation size. - EXPECT_EQ(80, bitmap.Size()); - EXPECT_EQ(3, bitmap.ArraySize()); - - // Test Set/GetMapElement. - EXPECT_EQ(0U, bitmap.GetMapElement(1)); - bitmap.SetMapElement(1, kValue); - EXPECT_EQ(kValue, bitmap.GetMapElement(1)); - - // Test Set/Get. - EXPECT_TRUE(bitmap.Get(48)); - EXPECT_FALSE(bitmap.Get(49)); - EXPECT_FALSE(bitmap.Get(50)); - bitmap.Set(49, true); - EXPECT_TRUE(bitmap.Get(48)); - EXPECT_TRUE(bitmap.Get(49)); - EXPECT_FALSE(bitmap.Get(50)); - bitmap.Set(49, false); - EXPECT_TRUE(bitmap.Get(48)); - EXPECT_FALSE(bitmap.Get(49)); - EXPECT_FALSE(bitmap.Get(50)); - - for (int i = 0; i < 80; i++) - bitmap.Set(i, (i % 7) == 0); - for (int i = 0; i < 80; i++) - EXPECT_EQ(bitmap.Get(i), (i % 7) == 0); -} - -TEST(BitmapTest, Toggle) { - static const int kSize = 100; - disk_cache::Bitmap map(kSize, true); - for (int i = 0; i < 100; i += 3) - map.Toggle(i); - for (int i = 0; i < 100; i += 9) - map.Toggle(i); - for (int i = 0; i < 100; ++i) - EXPECT_EQ((i % 3 == 0) && (i % 9 != 0), map.Get(i)); -} - -TEST(BitmapTest, Resize) { - const int kSize1 = 50; - const int kSize2 = 100; - const int kSize3 = 30; - disk_cache::Bitmap map(kSize1, true); - map.Resize(kSize1, true); - EXPECT_EQ(kSize1, map.Size()); - EXPECT_FALSE(map.Get(0)); - EXPECT_FALSE(map.Get(kSize1 - 1)); - - map.Resize(kSize2, true); - EXPECT_FALSE(map.Get(kSize1 - 1)); - EXPECT_FALSE(map.Get(kSize1)); - EXPECT_FALSE(map.Get(kSize2 - 1)); - EXPECT_EQ(kSize2, map.Size()); - - map.Resize(kSize3, true); - EXPECT_FALSE(map.Get(kSize3 - 1)); - EXPECT_EQ(kSize3, map.Size()); -} - -TEST(BitmapTest, Map) { - // Tests Set/GetMap and the constructor that takes an array. - const int kMapSize = 80; - char local_map[kMapSize]; - for (int i = 0; i < kMapSize; i++) - local_map[i] = static_cast<char>(i); - - disk_cache::Bitmap bitmap(kMapSize * 8, false); - bitmap.SetMap(reinterpret_cast<uint32*>(local_map), kMapSize / 4); - for (int i = 0; i < kMapSize; i++) { - if (i % 2) - EXPECT_TRUE(bitmap.Get(i * 8)); - else - EXPECT_FALSE(bitmap.Get(i * 8)); - } - - EXPECT_EQ(0, memcmp(local_map, bitmap.GetMap(), kMapSize)); - - // Now let's create a bitmap that shares local_map as storage. - disk_cache::Bitmap bitmap2(reinterpret_cast<uint32*>(local_map), - kMapSize * 8, kMapSize / 4); - EXPECT_EQ(0, memcmp(local_map, bitmap2.GetMap(), kMapSize)); - - local_map[kMapSize / 2] = 'a'; - EXPECT_EQ(0, memcmp(local_map, bitmap2.GetMap(), kMapSize)); - EXPECT_NE(0, memcmp(local_map, bitmap.GetMap(), kMapSize)); -} - -TEST(BitmapTest, SetAll) { - // Tests SetAll and Clear. - const int kMapSize = 80; - char ones[kMapSize]; - char zeros[kMapSize]; - memset(ones, 0xff, kMapSize); - memset(zeros, 0, kMapSize); - - disk_cache::Bitmap map(kMapSize * 8, true); - EXPECT_EQ(0, memcmp(zeros, map.GetMap(), kMapSize)); - map.SetAll(true); - EXPECT_EQ(0, memcmp(ones, map.GetMap(), kMapSize)); - map.SetAll(false); - EXPECT_EQ(0, memcmp(zeros, map.GetMap(), kMapSize)); - map.SetAll(true); - map.Clear(); - EXPECT_EQ(0, memcmp(zeros, map.GetMap(), kMapSize)); -} - -TEST(BitmapTest, Range) { - // Tests SetRange() and TestRange(). - disk_cache::Bitmap map(100, true); - EXPECT_FALSE(map.TestRange(0, 100, true)); - map.Set(50, true); - EXPECT_TRUE(map.TestRange(0, 100, true)); - - map.SetAll(false); - EXPECT_FALSE(map.TestRange(0, 1, true)); - EXPECT_FALSE(map.TestRange(30, 31, true)); - EXPECT_FALSE(map.TestRange(98, 99, true)); - EXPECT_FALSE(map.TestRange(99, 100, true)); - EXPECT_FALSE(map.TestRange(0, 100, true)); - - EXPECT_TRUE(map.TestRange(0, 1, false)); - EXPECT_TRUE(map.TestRange(31, 32, false)); - EXPECT_TRUE(map.TestRange(32, 33, false)); - EXPECT_TRUE(map.TestRange(99, 100, false)); - EXPECT_TRUE(map.TestRange(0, 32, false)); - - map.SetRange(11, 21, true); - for (int i = 0; i < 100; i++) - EXPECT_EQ(map.Get(i), (i >= 11) && (i < 21)); - - EXPECT_TRUE(map.TestRange(0, 32, true)); - EXPECT_TRUE(map.TestRange(0, 100, true)); - EXPECT_TRUE(map.TestRange(11, 21, true)); - EXPECT_TRUE(map.TestRange(15, 16, true)); - EXPECT_TRUE(map.TestRange(5, 12, true)); - EXPECT_TRUE(map.TestRange(5, 11, false)); - EXPECT_TRUE(map.TestRange(20, 60, true)); - EXPECT_TRUE(map.TestRange(21, 60, false)); - - map.SetAll(true); - EXPECT_FALSE(map.TestRange(0, 100, false)); - - map.SetRange(70, 99, false); - EXPECT_TRUE(map.TestRange(69, 99, false)); - EXPECT_TRUE(map.TestRange(70, 100, false)); - EXPECT_FALSE(map.TestRange(70, 99, true)); -} - -TEST(BitmapTest, FindNextSetBitBeforeLimit) { - // Test FindNextSetBitBeforeLimit. Only check bits from 111 to 277 (limit - // bit == 278). Should find all multiples of 27 in that range. - disk_cache::Bitmap map(500, true); - for (int i = 0; i < 500; i++) - map.Set(i, (i % 27) == 0); - - int find_me = 135; // First one expected. - for (int index = 111; map.FindNextSetBitBeforeLimit(&index, 278); - ++index) { - EXPECT_EQ(index, find_me); - find_me += 27; - } - EXPECT_EQ(find_me, 297); // The next find_me after 278. -} - -TEST(BitmapTest, FindNextSetBitBeforeLimitAligned) { - // Test FindNextSetBitBeforeLimit on aligned scans. - disk_cache::Bitmap map(256, true); - for (int i = 0; i < 256; i++) - map.Set(i, (i % 32) == 0); - for (int i = 0; i < 256; i += 32) { - int index = i + 1; - EXPECT_FALSE(map.FindNextSetBitBeforeLimit(&index, i + 32)); - } -} - -TEST(BitmapTest, FindNextSetBit) { - // Test FindNextSetBit. Check all bits in map. Should find multiples - // of 7 from 0 to 98. - disk_cache::Bitmap map(100, true); - for (int i = 0; i < 100; i++) - map.Set(i, (i % 7) == 0); - - int find_me = 0; // First one expected. - for (int index = 0; map.FindNextSetBit(&index); ++index) { - EXPECT_EQ(index, find_me); - find_me += 7; - } - EXPECT_EQ(find_me, 105); // The next find_me after 98. -} - -TEST(BitmapTest, FindNextBit) { - // Almost the same test as FindNextSetBit, but find zeros instead of ones. - disk_cache::Bitmap map(100, false); - map.SetAll(true); - for (int i = 0; i < 100; i++) - map.Set(i, (i % 7) != 0); - - int find_me = 0; // First one expected. - for (int index = 0; map.FindNextBit(&index, 100, false); ++index) { - EXPECT_EQ(index, find_me); - find_me += 7; - } - EXPECT_EQ(find_me, 105); // The next find_me after 98. -} - -TEST(BitmapTest, SimpleFindBits) { - disk_cache::Bitmap bitmap(64, true); - bitmap.SetMapElement(0, 0x7ff10060); - - // Bit at index off. - int index = 0; - EXPECT_EQ(5, bitmap.FindBits(&index, 63, false)); - EXPECT_EQ(0, index); - - EXPECT_EQ(2, bitmap.FindBits(&index, 63, true)); - EXPECT_EQ(5, index); - - index = 0; - EXPECT_EQ(2, bitmap.FindBits(&index, 63, true)); - EXPECT_EQ(5, index); - - index = 6; - EXPECT_EQ(9, bitmap.FindBits(&index, 63, false)); - EXPECT_EQ(7, index); - - // Bit at index on. - index = 16; - EXPECT_EQ(1, bitmap.FindBits(&index, 63, true)); - EXPECT_EQ(16, index); - - index = 17; - EXPECT_EQ(11, bitmap.FindBits(&index, 63, true)); - EXPECT_EQ(20, index); - - index = 31; - EXPECT_EQ(0, bitmap.FindBits(&index, 63, true)); - EXPECT_EQ(31, index); - - // With a limit. - index = 8; - EXPECT_EQ(0, bitmap.FindBits(&index, 16, true)); -} - -TEST(BitmapTest, MultiWordFindBits) { - disk_cache::Bitmap bitmap(500, true); - bitmap.SetMapElement(10, 0xff00); - - int index = 0; - EXPECT_EQ(0, bitmap.FindBits(&index, 300, true)); - - EXPECT_EQ(8, bitmap.FindBits(&index, 500, true)); - EXPECT_EQ(328, index); - - bitmap.SetMapElement(10, 0xff000000); - bitmap.SetMapElement(11, 0xff); - - index = 0; - EXPECT_EQ(16, bitmap.FindBits(&index, 500, true)); - EXPECT_EQ(344, index); - - index = 0; - EXPECT_EQ(4, bitmap.FindBits(&index, 348, true)); - EXPECT_EQ(344, index); -} |