addr_range_map.test.cc

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#include <gtest/gtest.h>
 
#include <vector>
 
#include "base/addr_range_map.hh"
 
using namespace gem5;
 
// Converted from legacy unit test framework
TEST(AddrRangeMapTest, LegacyTests)
{
    AddrRangeMap<int> r;
    AddrRangeMap<int>::const_iterator i;
 
    i = r.insert(RangeIn(10, 40), 5);
    ASSERT_NE(i, r.end());
 
    i = r.insert(RangeIn(60, 90), 3);
    ASSERT_NE(i, r.end());
 
    EXPECT_NE(r.intersects(RangeIn(20, 30)), r.end());
    EXPECT_EQ(r.contains(RangeIn(55, 55)), r.end());
    EXPECT_EQ(r.intersects(RangeIn(55, 55)), r.end());
 
    i = r.insert(RangeIn(0, 12), 1);
    EXPECT_EQ(i, r.end());
 
    i = r.insert(RangeIn(0, 9), 1);
    ASSERT_NE(i, r.end());
 
    EXPECT_NE(r.contains(RangeIn(20, 30)), r.end());
}
 
TEST(AddrRangeMapTest, InterleavedTest1)
{
    const auto N = 16;
    const auto masks = std::vector<Addr>{
        0x40,
        0x80,
        0x100,
        0x200
    };
    const Addr start = 0x80000000;
    const Addr end   = 0xc0000000;
 
    AddrRangeMap<int> r;
    AddrRangeMap<int>::const_iterator i;
 
    // populate AddrRangeMap with N-way interleaved address ranges
    // for all intlvMatch values 0..N-1
    for (int k=0; k < N; k++) {
        r.insert(AddrRange(start, end, masks, k), k);
    }
    // find AddrRange element containing start address
    i = r.contains(start);
    // i must not be the past-the-end iterator
    ASSERT_NE(i, r.end()) << "start address not found in AddrRangeMap";
    // intlvMatch = 0 for start = 0x80000000
    EXPECT_EQ(i->second, 0);
}
 
TEST(AddrRangeMapTest, InterleavedTest2)
{
    const auto N = 16;
    const auto masks = std::vector<Addr>{
        0x4444444444440,
        0x8888888888880,
        0x1111111111100,
        0x2222222222200
    };
    const Addr start = 0x80000000;
    const Addr end   = 0xc0000000;
 
    AddrRangeMap<int> r;
    AddrRangeMap<int>::const_iterator i;
 
    // populate AddrRangeMap with N-way interleaved address ranges
    // for all intlvMatch values 0..N-1
    for (int k=0; k < N; k++) {
        r.insert(AddrRange(start, end, masks, k), k);
    }
    // find AddrRange element containing start address
    i = r.contains(start);
    // i must not be the past-the-end iterator
    ASSERT_NE(i, r.end()) << "start address not found in AddrRangeMap";
    // intlvMatch = 2 for start = 0x80000000
    EXPECT_EQ(i->second, 2);
}