addr_range.test.cc revision 13465:dee578a46d87 
1/*
2 * Copyright (c) 2018 ARM Limited
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4 *
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9 * licensed hereunder.  You may use the software subject to the license
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15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
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21 * neither the name of the copyright holders nor the names of its
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23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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36 *
37 * Authors: Nikos Nikoleris
38 */
39
40#include <gtest/gtest.h>
41
42#include "base/addr_range.hh"
43
44TEST(AddrRangeComp, AddrRangeIsSubset)
45{
46    AddrRange r, r1, r2;
47
48    // Test non-interleaved ranges
49    r1 = AddrRange(0x0, 0x7f);
50    r2 = AddrRange(0x80, 0xff);
51
52    r = AddrRange(0x0, 0xf);
53    EXPECT_TRUE(r.isSubset(r1));
54    EXPECT_FALSE(r.isSubset(r2));
55
56    r = AddrRange(0x80, 0x8f);
57    EXPECT_FALSE(r.isSubset(r1));
58    EXPECT_TRUE(r.isSubset(r2));
59
60    // Test interleaved ranges
61    r1 = AddrRange(0x0, 0xff, 6, 0, 1, 0);
62    r2 = AddrRange(0x0, 0xff, 6, 0, 1, 1);
63
64    r = AddrRange(0x0, 0xf);
65    EXPECT_TRUE(r.isSubset(r1));
66    EXPECT_FALSE(r.isSubset(r2));
67
68    r = AddrRange(0x40, 0x4f);
69    EXPECT_FALSE(r.isSubset(r1));
70    EXPECT_TRUE(r.isSubset(r2));
71
72    r = AddrRange(0xbf, 0xc0);
73    EXPECT_FALSE(r.isSubset(r1));
74    EXPECT_FALSE(r.isSubset(r2));
75
76    // Test interleaved ranges with hashing
77    r1 = AddrRange(0x0, 0xff, 6, 7, 1, 0);
78    r2 = AddrRange(0x0, 0xff, 6, 7, 1, 1);
79
80    r = AddrRange(0x0, 0xf);
81    EXPECT_TRUE(r.isSubset(r1));
82    EXPECT_FALSE(r.isSubset(r2));
83
84    r = AddrRange(0x40, 0x4f);
85    EXPECT_FALSE(r.isSubset(r1));
86    EXPECT_TRUE(r.isSubset(r2));
87
88    r = AddrRange(0xbf, 0xc0);
89    EXPECT_FALSE(r.isSubset(r1));
90    EXPECT_FALSE(r.isSubset(r2));
91}
92