llvm-project/lldb/unittests/Core/RangeTest.cpp

331 lines
8.8 KiB
C++

//===-- RangeTest.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/RangeMap.h"
#include <cstdint>
#include <type_traits>
#include "gtest/gtest.h"
using namespace lldb;
using namespace lldb_private;
TEST(RangeTest, SizeTypes) {
Range<lldb::addr_t, uint32_t> r;
static_assert(std::is_same<lldb::addr_t, decltype(r.GetRangeBase())>::value,
"RangeBase type is not equal to the given one.");
static_assert(std::is_same<lldb::addr_t, decltype(r.GetRangeEnd())>::value,
"RangeEnd type is not equal to the given one.");
static_assert(std::is_same<uint32_t, decltype(r.GetByteSize())>::value,
"Size type is not equal to the given one.");
}
typedef Range<lldb::addr_t, uint32_t> RangeT;
TEST(RangeTest, DefaultConstructor) {
RangeT r;
EXPECT_FALSE(r.IsValid());
EXPECT_EQ(0U, r.GetByteSize());
EXPECT_EQ(0U, r.GetRangeBase());
EXPECT_EQ(0U, r.GetRangeEnd());
}
TEST(RangeTest, Constructor) {
RangeT r(3, 5);
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(5U, r.GetByteSize());
EXPECT_EQ(3U, r.GetRangeBase());
EXPECT_EQ(8U, r.GetRangeEnd());
}
TEST(RangeTest, Copy) {
RangeT orig(3, 5);
RangeT r = orig;
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(5U, r.GetByteSize());
EXPECT_EQ(3U, r.GetRangeBase());
EXPECT_EQ(8U, r.GetRangeEnd());
}
TEST(RangeTest, Clear) {
RangeT r(3, 5);
r.Clear();
EXPECT_TRUE(r == RangeT());
}
TEST(RangeTest, ClearWithStarAddress) {
RangeT r(3, 5);
r.Clear(4);
EXPECT_TRUE(r == RangeT(4, 0));
}
TEST(RangeTest, SetRangeBase) {
RangeT r(3, 5);
r.SetRangeBase(6);
EXPECT_EQ(6U, r.GetRangeBase());
EXPECT_EQ(11U, r.GetRangeEnd());
EXPECT_EQ(5U, r.GetByteSize());
}
TEST(RangeTest, Slide) {
RangeT r(3, 5);
r.Slide(1);
EXPECT_EQ(4U, r.GetRangeBase());
EXPECT_EQ(9U, r.GetRangeEnd());
EXPECT_EQ(5U, r.GetByteSize());
r.Slide(2);
EXPECT_EQ(6U, r.GetRangeBase());
EXPECT_EQ(11U, r.GetRangeEnd());
EXPECT_EQ(5U, r.GetByteSize());
}
TEST(RangeTest, SlideZero) {
RangeT r(3, 5);
r.Slide(0);
EXPECT_EQ(3U, r.GetRangeBase());
EXPECT_EQ(8U, r.GetRangeEnd());
EXPECT_EQ(5U, r.GetByteSize());
}
TEST(RangeTest, ContainsAddr) {
RangeT r(3, 5);
EXPECT_FALSE(r.Contains(0));
EXPECT_FALSE(r.Contains(1));
EXPECT_FALSE(r.Contains(2));
EXPECT_TRUE(r.Contains(3));
EXPECT_TRUE(r.Contains(4));
EXPECT_TRUE(r.Contains(5));
EXPECT_TRUE(r.Contains(6));
EXPECT_TRUE(r.Contains(7));
EXPECT_FALSE(r.Contains(8));
EXPECT_FALSE(r.Contains(9));
EXPECT_FALSE(r.Contains(10));
}
TEST(RangeTest, ContainsAddrInvalid) {
RangeT r;
EXPECT_FALSE(r.Contains(0));
EXPECT_FALSE(r.Contains(1));
EXPECT_FALSE(r.Contains(2));
EXPECT_FALSE(r.Contains(3));
EXPECT_FALSE(r.Contains(4));
}
TEST(RangeTest, ContainsEndInclusive) {
RangeT r(3, 5);
EXPECT_FALSE(r.ContainsEndInclusive(0));
EXPECT_FALSE(r.ContainsEndInclusive(1));
EXPECT_FALSE(r.ContainsEndInclusive(2));
EXPECT_TRUE(r.ContainsEndInclusive(3));
EXPECT_TRUE(r.ContainsEndInclusive(4));
EXPECT_TRUE(r.ContainsEndInclusive(5));
EXPECT_TRUE(r.ContainsEndInclusive(6));
EXPECT_TRUE(r.ContainsEndInclusive(7));
EXPECT_TRUE(r.ContainsEndInclusive(8));
EXPECT_FALSE(r.ContainsEndInclusive(9));
EXPECT_FALSE(r.ContainsEndInclusive(10));
}
TEST(RangeTest, ContainsEndInclusiveInvalid) {
RangeT r;
// FIXME: This is probably not intended.
EXPECT_TRUE(r.ContainsEndInclusive(0));
EXPECT_FALSE(r.ContainsEndInclusive(1));
EXPECT_FALSE(r.ContainsEndInclusive(2));
}
TEST(RangeTest, ContainsRange) {
RangeT r(3, 5);
// Range always contains itself.
EXPECT_TRUE(r.Contains(r));
// Invalid range.
EXPECT_FALSE(r.Contains(RangeT()));
// Range starts and ends before.
EXPECT_FALSE(r.Contains(RangeT(0, 3)));
// Range starts before but contains beginning.
EXPECT_FALSE(r.Contains(RangeT(0, 4)));
// Range starts before but contains beginning and more.
EXPECT_FALSE(r.Contains(RangeT(0, 5)));
// Range starts before and contains the other.
EXPECT_FALSE(r.Contains(RangeT(0, 9)));
// Range is fully inside.
EXPECT_TRUE(r.Contains(RangeT(4, 3)));
// Range has same start, but not as large.
EXPECT_TRUE(r.Contains(RangeT(3, 4)));
// Range has same end, but starts earlier.
EXPECT_TRUE(r.Contains(RangeT(4, 4)));
// Range starts inside, but stops after the end of r.
EXPECT_FALSE(r.Contains(RangeT(4, 5)));
// Range starts directly after r.
EXPECT_FALSE(r.Contains(RangeT(8, 2)));
// Range starts directly after r.
EXPECT_FALSE(r.Contains(RangeT(9, 2)));
// Invalid range with different start.
// FIXME: The first two probably not intended.
EXPECT_TRUE(r.Contains(RangeT(3, 0)));
EXPECT_TRUE(r.Contains(RangeT(4, 0)));
EXPECT_FALSE(r.Contains(RangeT(8, 0)));
}
TEST(RangeTest, ContainsRangeStartingFromZero) {
RangeT r(0, 3);
EXPECT_TRUE(r.Contains(r));
// FIXME: This is probably not intended.
EXPECT_TRUE(r.Contains(RangeT()));
}
TEST(RangeTest, Union) {
RangeT r(3, 5);
// Ranges that we can't merge because it's not adjoin/intersecting.
EXPECT_FALSE(r.Union(RangeT(9, 1)));
// Check that we didn't modify our range.
EXPECT_EQ(r, RangeT(3, 5));
// Another range we can't merge, but before r.
EXPECT_FALSE(r.Union(RangeT(1, 1)));
EXPECT_EQ(r, RangeT(3, 5));
// Merge an adjoin range after.
EXPECT_TRUE(r.Union(RangeT(8, 2)));
EXPECT_EQ(r, RangeT(3, 7));
// Merge an adjoin range before.
EXPECT_TRUE(r.Union(RangeT(1, 2)));
EXPECT_EQ(r, RangeT(1, 9));
// Merge an intersecting range after.
EXPECT_TRUE(r.Union(RangeT(8, 3)));
EXPECT_EQ(r, RangeT(1, 10));
// Merge an intersecting range before.
EXPECT_TRUE(r.Union(RangeT(0, 1)));
EXPECT_EQ(r, RangeT(0, 11));
// Merge a few ranges inside that shouldn't do anything.
EXPECT_TRUE(r.Union(RangeT(0, 3)));
EXPECT_EQ(r, RangeT(0, 11));
EXPECT_TRUE(r.Union(RangeT(5, 1)));
EXPECT_EQ(r, RangeT(0, 11));
EXPECT_TRUE(r.Union(RangeT(9, 2)));
EXPECT_EQ(r, RangeT(0, 11));
}
TEST(RangeTest, DoesAdjoinOrIntersect) {
RangeT r(3, 4);
EXPECT_FALSE(r.DoesAdjoinOrIntersect(RangeT(1, 1)));
EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(1, 2)));
EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(2, 2)));
EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(4, 2)));
EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(6, 2)));
EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(7, 2)));
EXPECT_FALSE(r.DoesAdjoinOrIntersect(RangeT(8, 2)));
}
TEST(RangeTest, DoesIntersect) {
RangeT r(3, 4);
EXPECT_FALSE(r.DoesIntersect(RangeT(1, 1)));
EXPECT_FALSE(r.DoesIntersect(RangeT(1, 2)));
EXPECT_TRUE(r.DoesIntersect(RangeT(2, 2)));
EXPECT_TRUE(r.DoesIntersect(RangeT(4, 2)));
EXPECT_TRUE(r.DoesIntersect(RangeT(6, 2)));
EXPECT_FALSE(r.DoesIntersect(RangeT(7, 2)));
EXPECT_FALSE(r.DoesIntersect(RangeT(8, 2)));
}
TEST(RangeTest, LessThan) {
RangeT r(10, 20);
// Equal range.
EXPECT_FALSE(r < RangeT(10, 20));
EXPECT_FALSE(RangeT(10, 20) < r);
auto expect_ordered_less_than = [](RangeT r1, RangeT r2) {
EXPECT_TRUE(r1 < r2);
EXPECT_FALSE(r2 < r1);
};
// Same start, but bigger size.
expect_ordered_less_than(r, RangeT(10, 21));
// Start before and ends before.
expect_ordered_less_than(RangeT(9, 20), r);
// Start before and equal size.
expect_ordered_less_than(RangeT(9, 21), r);
// Start before and bigger size.
expect_ordered_less_than(RangeT(9, 22), r);
// Start after and ends before.
expect_ordered_less_than(r, RangeT(11, 18));
// Start after and equal size.
expect_ordered_less_than(r, RangeT(11, 19));
// Start after and bigger size.
expect_ordered_less_than(r, RangeT(11, 20));
}
TEST(RangeTest, Equal) {
RangeT r(10, 20);
// Equal range.
EXPECT_TRUE(r == RangeT(10, 20));
// Same start, different size.
EXPECT_FALSE(r == RangeT(10, 21));
// Different start, same size.
EXPECT_FALSE(r == RangeT(9, 20));
// Different start, different size.
EXPECT_FALSE(r == RangeT(9, 21));
EXPECT_FALSE(r == RangeT(11, 19));
}
TEST(RangeTest, NotEqual) {
RangeT r(10, 20);
EXPECT_FALSE(r != RangeT(10, 20));
EXPECT_TRUE(r != RangeT(10, 21));
EXPECT_TRUE(r != RangeT(9, 20));
EXPECT_TRUE(r != RangeT(9, 21));
}
// Comparison tests for invalid ranges (size == 0).
TEST(RangeTest, LessThanInvalid) {
EXPECT_TRUE(RangeT() < RangeT(1, 0));
EXPECT_TRUE(RangeT() < RangeT(2, 0));
EXPECT_TRUE(RangeT(1, 0) < RangeT(2, 0));
}
TEST(RangeTest, EqualInvalid) {
RangeT r;
EXPECT_TRUE(r == RangeT());
// Another invalid range, but with a different start.
EXPECT_FALSE(r == RangeT(3, 0));
}
TEST(RangeTest, NotEqualInvalid) {
RangeT r;
EXPECT_FALSE(r != RangeT());
EXPECT_FALSE(r == RangeT(3, 0));
}