xref: /gem5/src/base/addr_range.test.cc

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 * Authors: Nikos Nikoleris
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#include <gtest/gtest.h>

#include "base/addr_range.hh"

TEST(AddrRangeComp, AddrRangeIsSubset)
{
    AddrRange r, r1, r2;

    // Test non-interleaved ranges
    r1 = AddrRange(0x0, 0x7f);
    r2 = AddrRange(0x80, 0xff);

    r = AddrRange(0x0, 0xf);
    EXPECT_TRUE(r.isSubset(r1));
    EXPECT_FALSE(r.isSubset(r2));

    r = AddrRange(0x80, 0x8f);
    EXPECT_FALSE(r.isSubset(r1));
    EXPECT_TRUE(r.isSubset(r2));

    // Test interleaved ranges
    r1 = AddrRange(0x0, 0xff, 6, 0, 1, 0);
    r2 = AddrRange(0x0, 0xff, 6, 0, 1, 1);

    r = AddrRange(0x0, 0xf);
    EXPECT_TRUE(r.isSubset(r1));
    EXPECT_FALSE(r.isSubset(r2));

    r = AddrRange(0x40, 0x4f);
    EXPECT_FALSE(r.isSubset(r1));
    EXPECT_TRUE(r.isSubset(r2));

    r = AddrRange(0xbf, 0xc0);
    EXPECT_FALSE(r.isSubset(r1));
    EXPECT_FALSE(r.isSubset(r2));

    // Test interleaved ranges with hashing
    r1 = AddrRange(0x0, 0xff, 6, 7, 1, 0);
    r2 = AddrRange(0x0, 0xff, 6, 7, 1, 1);

    r = AddrRange(0x0, 0xf);
    EXPECT_TRUE(r.isSubset(r1));
    EXPECT_FALSE(r.isSubset(r2));

    r = AddrRange(0x40, 0x4f);
    EXPECT_FALSE(r.isSubset(r1));
    EXPECT_TRUE(r.isSubset(r2));

    r = AddrRange(0xbf, 0xc0);
    EXPECT_FALSE(r.isSubset(r1));
    EXPECT_FALSE(r.isSubset(r2));
}