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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "net/disk_cache/addr.h"
      6 #include "net/disk_cache/disk_cache_test_base.h"
      7 #include "testing/gtest/include/gtest/gtest.h"
      8 
      9 namespace disk_cache {
     10 
     11 TEST_F(DiskCacheTest, CacheAddr_Size) {
     12   Addr addr1(0);
     13   EXPECT_FALSE(addr1.is_initialized());
     14 
     15   // The object should not be more expensive than the actual address.
     16   EXPECT_EQ(sizeof(uint32), sizeof(addr1));
     17 }
     18 
     19 TEST_F(DiskCacheTest, CacheAddr_ValidValues) {
     20   Addr addr2(BLOCK_1K, 3, 5, 25);
     21   EXPECT_EQ(BLOCK_1K, addr2.file_type());
     22   EXPECT_EQ(3, addr2.num_blocks());
     23   EXPECT_EQ(5, addr2.FileNumber());
     24   EXPECT_EQ(25, addr2.start_block());
     25   EXPECT_EQ(1024, addr2.BlockSize());
     26 }
     27 
     28 TEST_F(DiskCacheTest, CacheAddr_InvalidValues) {
     29   Addr addr3(BLOCK_4K, 0x44, 0x41508, 0x952536);
     30   EXPECT_EQ(BLOCK_4K, addr3.file_type());
     31   EXPECT_EQ(4, addr3.num_blocks());
     32   EXPECT_EQ(8, addr3.FileNumber());
     33   EXPECT_EQ(0x2536, addr3.start_block());
     34   EXPECT_EQ(4096, addr3.BlockSize());
     35 }
     36 
     37 TEST_F(DiskCacheTest, CacheAddr_SanityCheck) {
     38   // First a few valid values.
     39   EXPECT_TRUE(Addr(0).SanityCheck());
     40   EXPECT_TRUE(Addr(0x80001000).SanityCheck());
     41   EXPECT_TRUE(Addr(0xC3FFFFFF).SanityCheck());
     42   EXPECT_TRUE(Addr(0xC0FFFFFF).SanityCheck());
     43 
     44   // Not initialized.
     45   EXPECT_FALSE(Addr(0x20).SanityCheck());
     46   EXPECT_FALSE(Addr(0x10001000).SanityCheck());
     47 
     48   // Invalid file type.
     49   EXPECT_FALSE(Addr(0xD0001000).SanityCheck());
     50   EXPECT_FALSE(Addr(0xF0000000).SanityCheck());
     51 
     52   // Reserved bits.
     53   EXPECT_FALSE(Addr(0x14000000).SanityCheck());
     54   EXPECT_FALSE(Addr(0x18000000).SanityCheck());
     55 }
     56 
     57 }  // namespace disk_cache
     58