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//===-- VMRangeTest.cpp ---------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include <limits>
#include "lldb/Utility/VMRange.h"
using namespace lldb_private;
namespace lldb_private {
void PrintTo(const VMRange &v, std::ostream *os) {
(*os) << "VMRange(" << v.GetBaseAddress() << ", " << v.GetEndAddress() << ")";
}
} // namespace lldb_private
TEST(VMRange, IsValid) {
VMRange range;
EXPECT_FALSE(range.IsValid());
range.Reset(0x1, 0x100);
EXPECT_TRUE(range.IsValid());
range.Reset(0x1, 0x1);
EXPECT_FALSE(range.IsValid());
}
TEST(VMRange, Clear) {
VMRange range(0x100, 0x200);
EXPECT_NE(VMRange(), range);
range.Clear();
EXPECT_EQ(VMRange(), range);
}
TEST(VMRange, Comparison) {
VMRange range1(0x100, 0x200);
VMRange range2(0x100, 0x200);
EXPECT_EQ(range1, range2);
EXPECT_NE(VMRange(0x100, 0x1ff), range1);
EXPECT_NE(VMRange(0x100, 0x201), range1);
EXPECT_NE(VMRange(0x0ff, 0x200), range1);
EXPECT_NE(VMRange(0x101, 0x200), range1);
range2.Clear();
EXPECT_NE(range1, range2);
}
TEST(VMRange, Reset) {
VMRange range(0x100, 0x200);
EXPECT_FALSE(VMRange(0x200, 0x200) == range);
range.Reset(0x200, 0x200);
EXPECT_TRUE(VMRange(0x200, 0x200) == range);
}
TEST(VMRange, SetEndAddress) {
VMRange range(0x100, 0x200);
range.SetEndAddress(0xFF);
EXPECT_EQ(0U, range.GetByteSize());
EXPECT_FALSE(range.IsValid());
range.SetEndAddress(0x101);
EXPECT_EQ(1U, range.GetByteSize());
EXPECT_TRUE(range.IsValid());
}
TEST(VMRange, ContainsAddr) {
VMRange range(0x100, 0x200);
EXPECT_FALSE(range.Contains(0x00));
EXPECT_FALSE(range.Contains(0xFF));
EXPECT_TRUE(range.Contains(0x100));
EXPECT_TRUE(range.Contains(0x101));
EXPECT_TRUE(range.Contains(0x1FF));
EXPECT_FALSE(range.Contains(0x200));
EXPECT_FALSE(range.Contains(0x201));
EXPECT_FALSE(range.Contains(0xFFF));
EXPECT_FALSE(range.Contains(std::numeric_limits<lldb::addr_t>::max()));
}
TEST(VMRange, ContainsRange) {
VMRange range(0x100, 0x200);
EXPECT_FALSE(range.Contains(VMRange(0x0, 0x0)));
EXPECT_FALSE(range.Contains(VMRange(0x0, 0x100)));
EXPECT_FALSE(range.Contains(VMRange(0x0, 0x101)));
EXPECT_TRUE(range.Contains(VMRange(0x100, 0x105)));
EXPECT_TRUE(range.Contains(VMRange(0x101, 0x105)));
EXPECT_TRUE(range.Contains(VMRange(0x100, 0x1FF)));
EXPECT_TRUE(range.Contains(VMRange(0x105, 0x200)));
EXPECT_FALSE(range.Contains(VMRange(0x105, 0x201)));
EXPECT_FALSE(range.Contains(VMRange(0x200, 0x201)));
EXPECT_TRUE(range.Contains(VMRange(0x100, 0x200)));
EXPECT_FALSE(
range.Contains(VMRange(0x105, std::numeric_limits<lldb::addr_t>::max())));
// Empty range.
EXPECT_TRUE(range.Contains(VMRange(0x100, 0x100)));
range.Clear();
EXPECT_FALSE(range.Contains(VMRange(0x0, 0x0)));
}
TEST(VMRange, Ordering) {
VMRange range1(0x44, 0x200);
VMRange range2(0x100, 0x1FF);
VMRange range3(0x100, 0x200);
EXPECT_LE(range1, range1);
EXPECT_GE(range1, range1);
EXPECT_LT(range1, range2);
EXPECT_LT(range2, range3);
EXPECT_GT(range2, range1);
EXPECT_GT(range3, range2);
// Ensure that < and > are always false when comparing ranges with themselves.
EXPECT_FALSE(range1 < range1);
EXPECT_FALSE(range2 < range2);
EXPECT_FALSE(range3 < range3);
EXPECT_FALSE(range1 > range1);
EXPECT_FALSE(range2 > range2);
EXPECT_FALSE(range3 > range3);
}
TEST(VMRange, CollectionContains) {
VMRange::collection collection = {VMRange(0x100, 0x105),
VMRange(0x108, 0x110)};
EXPECT_FALSE(VMRange::ContainsValue(collection, 0xFF));
EXPECT_TRUE(VMRange::ContainsValue(collection, 0x100));
EXPECT_FALSE(VMRange::ContainsValue(collection, 0x105));
EXPECT_TRUE(VMRange::ContainsValue(collection, 0x109));
EXPECT_TRUE(VMRange::ContainsRange(collection, VMRange(0x100, 0x104)));
EXPECT_TRUE(VMRange::ContainsRange(collection, VMRange(0x108, 0x100)));
EXPECT_FALSE(VMRange::ContainsRange(collection, VMRange(0xFF, 0x100)));
// TODO: Implement and test ContainsRange with values that span multiple
// ranges in the collection.
}
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