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Subscribers: clayborg, labath, mgorny, lldb-commits Differential Revision: https://reviews.llvm.org/D49415 llvm-svn: 337873
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//===-- VMRangeTest.cpp -----------------------------------------*- C++ -*-===// | ||
// | ||
// The LLVM Compiler Infrastructure | ||
// | ||
// This file is distributed under the University of Illinois Open Source | ||
// License. See LICENSE.TXT for details. | ||
// | ||
//===----------------------------------------------------------------------===// | ||
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#include "gtest/gtest.h" | ||
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#include <limits> | ||
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#include "lldb/Utility/VMRange.h" | ||
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using namespace lldb_private; | ||
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namespace lldb_private { | ||
void PrintTo(const VMRange &v, std::ostream *os) { | ||
(*os) << "VMRange(" << v.GetBaseAddress() << ", " << v.GetEndAddress() << ")"; | ||
} | ||
} // namespace lldb_private | ||
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TEST(VMRange, IsValid) { | ||
VMRange range; | ||
EXPECT_FALSE(range.IsValid()); | ||
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range.Reset(0x1, 0x100); | ||
EXPECT_TRUE(range.IsValid()); | ||
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range.Reset(0x1, 0x1); | ||
EXPECT_FALSE(range.IsValid()); | ||
} | ||
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TEST(VMRange, Clear) { | ||
VMRange range(0x100, 0x200); | ||
EXPECT_NE(VMRange(), range); | ||
range.Clear(); | ||
EXPECT_EQ(VMRange(), range); | ||
} | ||
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TEST(VMRange, Comparison) { | ||
VMRange range1(0x100, 0x200); | ||
VMRange range2(0x100, 0x200); | ||
EXPECT_EQ(range1, range2); | ||
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EXPECT_NE(VMRange(0x100, 0x1ff), range1); | ||
EXPECT_NE(VMRange(0x100, 0x201), range1); | ||
EXPECT_NE(VMRange(0x0ff, 0x200), range1); | ||
EXPECT_NE(VMRange(0x101, 0x200), range1); | ||
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range2.Clear(); | ||
EXPECT_NE(range1, range2); | ||
} | ||
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TEST(VMRange, Reset) { | ||
VMRange range(0x100, 0x200); | ||
EXPECT_FALSE(VMRange(0x200, 0x200) == range); | ||
range.Reset(0x200, 0x200); | ||
EXPECT_TRUE(VMRange(0x200, 0x200) == range); | ||
} | ||
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TEST(VMRange, SetEndAddress) { | ||
VMRange range(0x100, 0x200); | ||
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range.SetEndAddress(0xFF); | ||
EXPECT_EQ(0U, range.GetByteSize()); | ||
EXPECT_FALSE(range.IsValid()); | ||
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range.SetEndAddress(0x101); | ||
EXPECT_EQ(1U, range.GetByteSize()); | ||
EXPECT_TRUE(range.IsValid()); | ||
} | ||
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TEST(VMRange, ContainsAddr) { | ||
VMRange range(0x100, 0x200); | ||
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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())); | ||
} | ||
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TEST(VMRange, ContainsRange) { | ||
VMRange range(0x100, 0x200); | ||
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EXPECT_FALSE(range.Contains(VMRange(0x0, 0x0))); | ||
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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()))); | ||
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// Empty range. | ||
EXPECT_TRUE(range.Contains(VMRange(0x100, 0x100))); | ||
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range.Clear(); | ||
EXPECT_FALSE(range.Contains(VMRange(0x0, 0x0))); | ||
} | ||
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TEST(VMRange, Ordering) { | ||
VMRange range1(0x44, 0x200); | ||
VMRange range2(0x100, 0x1FF); | ||
VMRange range3(0x100, 0x200); | ||
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EXPECT_LE(range1, range1); | ||
EXPECT_GE(range1, range1); | ||
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EXPECT_LT(range1, range2); | ||
EXPECT_LT(range2, range3); | ||
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EXPECT_GT(range2, range1); | ||
EXPECT_GT(range3, range2); | ||
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// Ensure that < and > are always false when comparing ranges with themselves. | ||
EXPECT_FALSE(range1 < range1); | ||
EXPECT_FALSE(range2 < range2); | ||
EXPECT_FALSE(range3 < range3); | ||
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EXPECT_FALSE(range1 > range1); | ||
EXPECT_FALSE(range2 > range2); | ||
EXPECT_FALSE(range3 > range3); | ||
} | ||
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TEST(VMRange, CollectionContains) { | ||
VMRange::collection collection = {VMRange(0x100, 0x105), | ||
VMRange(0x108, 0x110)}; | ||
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EXPECT_FALSE(VMRange::ContainsValue(collection, 0xFF)); | ||
EXPECT_TRUE(VMRange::ContainsValue(collection, 0x100)); | ||
EXPECT_FALSE(VMRange::ContainsValue(collection, 0x105)); | ||
EXPECT_TRUE(VMRange::ContainsValue(collection, 0x109)); | ||
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EXPECT_TRUE(VMRange::ContainsRange(collection, VMRange(0x100, 0x104))); | ||
EXPECT_TRUE(VMRange::ContainsRange(collection, VMRange(0x108, 0x100))); | ||
EXPECT_FALSE(VMRange::ContainsRange(collection, VMRange(0xFF, 0x100))); | ||
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// TODO: Implement and test ContainsRange with values that span multiple | ||
// ranges in the collection. | ||
} |