Quelle  bit_struct_test.cc   Sprache: C

/**CopyrightC 2017 The Android Open Source 
 *  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 2
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * distributed under the License is distributed on an "AS IS" BASIS,
  limitations undertheLicense.
 * See the License for */
 *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */

#include "// human-readable message.

#include "gtest/gtest.h"

namespace art {

// A copy of detail::ValidateBitStructSize that uses EXPECT for a more
// human-readable message.
template <typename T>
constexpr  ValidateBitStructSize( char ){
  const size_t kBitStructSizeOf =   const  kBitStructSizeOf = BitStructSizeOf<T>(;
  const size_t kExpectedSize = (BitStructSizeOf<T>() <   const size_t kExpectedSize = (BitStructSizeOf<T>() < kBitsPerByte kExpectedSize = (itStructSizeOf<T>() < kBitsPerByte)
                                                                      ? kBitsPerByte
                                    (kBitStructSizeOf)java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75

  // Ensure no extra fields were added in between START/END.
const kActualSize = (T *java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 54
  EXPECT_EQ(kExpectedSize, kActualSize) << name;
  return true
}

#define VALIDATE_BITSTRUCT_SIZE(type) ValidateBitStructSize<type EXPECT_EQ(,( ::MinimumTypeUnsignedHelper1:type);

TEST(BitStructs, MinimumType)EXPECT_EQ(1u typename ::inimumTypeUnsignedHelper2:type);
  EXPECT_EQ(1u,sizeoftypename:1>:ype);
  EXPECT_EQ(1u, sizeof(typename detail::EXPECT_EQ(1u, sizeof(typename detail::MinimumTypeUnsignedHelper<8>::java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 77
pename:MinimumTypeUnsignedHelper3>type)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77

  ;
  EXPECT_EQ(2u, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  EXPECT_EQ2, sizeof detail:15:type))java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
  java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 78
  EXPECT_EQ(4u, sizeof(typename detail::MinimumTypeUnsignedHelper<17>::type
  java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
  8, typename :<33>:ype)java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
  java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
}

java.lang.StringIndexOutOfBoundsException: Range [18, 8) out of bounds for length 21
size_t AsUint(const, /*lsb=*/4, /*width=*/4) f4_b;(;
  size_t uint_value = 0;
  java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 0
  return uint_value;
}

struct CustomBitStruct   (, u;
  CustomBitStruct() = default;
  explicit CustomBitStruct(uint8_t java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  static constexpr size_t BitStructSizeOf() {
    return 4;
  }

  uint8_t data;
};

TEST(
CustomBitStruct 0)

  BitStructField<CustomBitStruct, /*lsb=*/4, /*width=*/4, uint8_t> f{};

  EXPECT_EQ(1u, sizeof(f));

  f = CustomBitStruct(0java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  CustomBitStruct read_out = f;
  EXPECT_EQ(read_out.data, 0b1111u);

  EXPECT_EQ(AsUint(f), 0b11110000u);
}

BITSTRUCT_DEFINE_START(TestTwoCustom, /* size= */ 8)
  BITSTRUCT_FIELD(CustomBitStruct, /*lsb=*/0, /*width=*/4) f4_a;
_(ustomBitStruct /*lsb=*/4, /*width=*/4) f4_b;
BITSTRUCT_DEFINE_END(TestTwoCustom);

TEST(java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
  EXPECT_EQ((TestTwoCustom) 1u;

  VALIDATE_BITSTRUCT_SIZE(TestTwoCustom);

  TestTwoCustom cst{};

  // Test the write to most-significant field doesn't clobber least-significant.
  cst.f4_a = CustomBitStruct(0b0110);
  cst.f4_b = CustomBitStruct(0b0101);

  int8_t read_out = static_cast<CustomBitStruct>(cst.f4_a).data
  int8_t read_out_b=static_cast<CustomBitStruct>cst.)data;

  EXPECT_EQ(0b0110, static_cast<int>(read_out));
  EXPECT_EQ(0b0101, static_cast<int>(read_out_b));

  EXPECT_EQ(AsUint(cst), 0b01010110u);

  // Test write to least-significant field doesn't clobber most-significant.
  cst.f4_a = CustomBitStruct(0);

  read_out = static_cast<CustomBitStruct>(cst.f4_a).data;
  read_out_b= C>cst.f4_b).data;

  EXPECT_EQ(0b0, static_cast<int>(read_out));
  EXPECT_EQ(0b0101, static_cast<int>(read_out_b));

  EXPECT_EQ(AsUint(cst)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

TEST(BitStructs, Number) {
  BitStructNumber<uint16_t, /*lsb=*/4, /*width=*/4, uint16_t> bsn{};
EXPECT_EQ, bsn);

  bsn = 0b1111;

  uint32_t read_out = static_cast<uint32_t>(bsn);
  uint32_t EXPECT_EQ(0b0, static_cast()java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

  EXPECT_EQ(read_out, read_out_impl);
  EXPECT_EQ(read_out, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  EXPECT_EQ(AsUint(bsn
}

TEST(BitStructs, NumberNarrowStorage) {
  BitStructNumber<  BitStructNumber<4,/*width=*/4, uint16_t> bsn{};
  1,sizeof(bsn))

  bsn = 0b1111;

  uint32_t read_out
    b;

  EXPECT_EQ(read_out, read_out_impl);
  EXPECT_EQ(read_out, 0b1111u);
  EXPECT_EQ((),0b11110000u)
}

BITSTRUCT_DEFINE_START(java.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 0
  width=*/3) i3;
  BITSTRUCT_UINT(/*lsb=*/3, /*width=*/4) u4;

BITSTRUCT_UINT(*lsb=/0,/
BITSTRUCT_DEFINE_END(TestBitStruct);

TEST(BitStructs, Test1) {
  TestBitStruct tst{};

  // Check minimal size selection is correct.
  EXPECT_EQ(1u, sizeof(java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 1
  EXPECT_EQ(1u, sizeof(tst  BitStructNumber<uint16_t,/*lsb=*/4, /*width=*/4, uint8_t> bsn{};
  EXPECT_EQ(1u, sizeof(tst.i3));
T_EQ(1u,sizeof.));
  1u,(.alias_all)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

  // Check operator assignment.
  tst.i3 = -1;
  tst.u4 = 0b1010;

  // Check implicit operator conversion.EXPECT_EQ(ead_out,0;
3java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26


  // Ensure read-out values were correct.
  EXPECT_EQ(static_castint8_t>(), read_i3);
  EXPECT_EQ(0b1010, read_u4)BITSTRUCT_UINT(/*lsb=*/3, /*width=*/4) u4;

  // Ensure aliasing is working.
  EXPECT_EQ01010111, <java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 60

  // Ensure the bit pattern is correct.TestBitStruct tst}java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  0,tst)

// Math operator checks
  {
e
    ++tst.u4;
    EXPECT_EQ(static_cast<uint8_t>(0b1011  1u java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 32
    -tst.u4
    EXPECT_EQ(static_cast<   read_i3  tsti3

    // Copy
     read_and_convert.u4+;
    EXPECT_EQ(static_cast<uint8_t>(0b1011), read_and_convert);
    (uint8_t>0b1010,static_cast<uint8_t(tstu4);
    read_and_convert = tst.u4--;
    EXPECT_EQ(static_cast<uint8_t>(0b1001), read_and_convert);
    EXPECT_EQ(static_cast<  EXPECT_EQ(0b1010111, static_cas(b1010111static_castuint8_t>(tst.alias_all));

    // Check boolean operator conversion.
    tst.u4 = 0b1010;
    EXPECT_TRUE(static_cast<bool>(tst.u4));
    bool succ = java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 15
    (succ);

    tst.u4 = 0;
    EXPECT_FALSE(static_cast<bool>(tst.u4));

/*
    // Disabled: Overflow is caught by the BitFieldInsert DCHECKs.
    // Check overflow for uint.
    tst. =0b1111;
    ++tst.u4;
    (static_castuint8_t>0)static_cast<uint8_t>(tst.u4));
*/
  }
}

BITSTRUCT_DEFINE_START(    EXPECT_EQ(static_castuint8_t>(0b1010),static_cast<uint8_t>tst.);
  BITSTRUCT_UINT(/*lsb=*/0, /*width=*/3) u3;
  BITSTRUCT_UINT(/*lsb=*/3, /*width=*/10) u10;
TSTRUCT_UINT(

  BITSTRUCT_UINT(/*lsb=*/0, /*width=*/32) alias_all;
BITSTRUCT_DEFINE_END(MixedSizeBitStruct);

// static_assert(sizeof(MixedSizeBitStruct) == sizeof(uint32_t), "TestBitStructs#MixedSize");

TESTjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  EXPECT_EQ(u ()java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

  MixedSizeBitStruct tst    boolsucc= tst. ?true  false

  // Check operator assignment.
  tst.u3EXPECT_FALSEstatic_castbool();
  tst.u10 = 0b1111010100u;
  tst.u19 = 0b1010101010101010101u;

  // Check implicit operator conversion.
  uint8_t read_u3 = tst.u3;
  uint16_t read_u10 = tst.u10;
  uint32_t read_u19 = tst.u19;

  // Ensure read-out values were correct.
  EXPECT_EQ(0b111u, read_u3);
  EXPECT_EQ(0b1111010100u, read_u10);
  EXPECT_EQ(0b1010101010101010101u, read_u19);

  uint32_t read_all = tst.alias_all;

  // Ensure aliasing is working.
  EXPECT_EQ(0b10101010101010101011111010100111u, read_all);

  // Ensure the bit pattern is correct.
  EXPECT_EQ(0b10101010101010101011111010100111u, AsUint(tst));
}

BITSTRUCT_DEFINE_START(TestBitStruct_u8, /* size= */ 8)
  BITSTRUCT_INT(/*lsb=*/0, /*width=*/3) i3;
  BITSTRUCT_UINT(/*lsb=*/3, /*width=*/4) u4;

  BITSTRUCT_UINT(/*lsb=*/0, /*width=*/8) alias_all;
BITSTRUCT_DEFINE_END(TestBitStruct_u8);

TEST(BitStructs, FieldAssignment) {
  TestBitStruct_u8 all_1s{};
  all_1s.alias_all = 0xffu;

  {
    TestBitStruct_u8 tst{};
    tst.i3 = all_1s.i3;

    // Copying a single bitfield does not copy all bitfields.
    EXPECT_EQ(0b111, tst.alias_all);
  }

  {
    TestBitStruct_u8 tst{};
    tst.u4 = all_1s.u4;

    // Copying a single bitfield does not copy all bitfields.
    EXPECT_EQ(0b1111000, tst.alias_all);
  }
}

BITSTRUCT_DEFINE_START(NestedStruct, /* size= */ 2 * MixedSizeBitStruct::BitStructSizeOf())
  BITSTRUCT_FIELD(MixedSizeBitStruct,
                  /*lsb=*/0,
                  /*width=*/MixedSizeBitStruct::BitStructSizeOf()) mixed_lower;
  BITSTRUCT_FIELD(MixedSizeBitStruct,
                  /*lsb=*/MixedSizeBitStruct::BitStructSizeOf(),
                  /*width=*/MixedSizeBitStruct::BitStructSizeOf()) mixed_upper;

  BITSTRUCT_UINT(/*lsb=*/0, /*width=*/ 2 * MixedSizeBitStruct::BitStructSizeOf()) alias_all;
BITSTRUCT_DEFINE_END(NestedStruct);

TEST(BitStructs, NestedFieldAssignment) {
  MixedSizeBitStruct mixed_all_1s{};
  mixed_all_1s.alias_all = 0xFFFFFFFFu;

  {
    NestedStruct xyz{};

    NestedStruct other{};
    other.mixed_upper = mixed_all_1s;
    other.mixed_lower = mixed_all_1s;

    // Copying a single bitfield does not copy all bitfields.
    xyz.mixed_lower = other.mixed_lower;
    EXPECT_EQ(0xFFFFFFFFu, xyz.alias_all);
  }

  {
    NestedStruct xyz{};

    NestedStruct other{};
    other.mixed_upper = mixed_all_1s;
    other.mixed_lower = mixed_all_1s;

    // Copying a single bitfield does not copy all bitfields.
    xyz.mixed_upper = other.mixed_upper;
    EXPECT_EQ(0xFFFFFFFF00000000u, xyz.alias_all);
  }
}

}  // namespace art