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llvm-project/lldb/unittests/Utility/DataEncoderTest.cpp

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//===-- DataEncoderTest.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 "lldb/Utility/DataEncoder.h"
#include "llvm/ADT/ArrayRef.h"
#include <vector>
using namespace lldb_private;
using namespace llvm;
TEST(DataEncoderTest, PutU8) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
offset = encoder.PutU8(offset, 11);
ASSERT_EQ(offset, 1U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 2, 3, 4, 5, 6, 7, 8}));
offset = encoder.PutU8(offset, 12);
ASSERT_EQ(offset, 2U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 12, 3, 4, 5, 6, 7, 8}));
offset = encoder.PutU8(offset, 13);
ASSERT_EQ(offset, 3U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 12, 13, 4, 5, 6, 7, 8}));
offset = encoder.PutU8(offset, 14);
ASSERT_EQ(offset, 4U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 12, 13, 14, 5, 6, 7, 8}));
// Check that putting a number to an invalid offset doesn't work and returns
// an error offset and doesn't modify the buffer.
ASSERT_EQ(encoder.PutU8(init.size(), 15), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 12, 13, 14, 5, 6, 7, 8}));
}
TEST(DataEncoderTest, AppendUnsignedLittle) {
const uint32_t addr_size = 4;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderLittle, addr_size);
encoder.AppendU8(0x11);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x11}));
encoder.AppendU16(0x2233);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x11, 0x33, 0x22}));
encoder.AppendU32(0x44556677);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x33, 0x22, 0x77, 0x66, 0x55, 0x44}));
encoder.AppendU64(0x8899AABBCCDDEEFF);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x33, 0x22, 0x77, 0x66, 0x55, 0x44,
0xFF, 0xEE, 0xDD, 0xCC, 0xBB, 0xAA, 0x99, 0x88}));
encoder.AppendU64(0x8899AABBCCDDEEFF);
}
TEST(DataEncoderTest, AppendUnsignedBig) {
const uint32_t addr_size = 4;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderBig, addr_size);
encoder.AppendU8(0x11);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x11}));
encoder.AppendU16(0x2233);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x11, 0x22, 0x33}));
encoder.AppendU32(0x44556677);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77}));
encoder.AppendU64(0x8899AABBCCDDEEFF);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF}));
}
TEST(DataEncoderTest, AppendAddress4Little) {
const uint32_t addr_size = 4;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderLittle, addr_size);
encoder.AppendAddress(0x11223344);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11}));
encoder.AppendAddress(0x55);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x55, 0x00, 0x00, 0x00}));
}
TEST(DataEncoderTest, AppendAddress4Big) {
const uint32_t addr_size = 4;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderBig, addr_size);
encoder.AppendAddress(0x11223344);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44}));
encoder.AppendAddress(0x55);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x00, 0x00, 0x00, 0x55}));
}
TEST(DataEncoderTest, AppendAddress8Little) {
const uint32_t addr_size = 8;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderLittle, addr_size);
encoder.AppendAddress(0x11223344);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
encoder.AppendAddress(0x5566778899AABBCC);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00,
0xCC, 0xBB, 0xAA, 0x99, 0x88, 0x77, 0x66, 0x55}));
}
TEST(DataEncoderTest, AppendAddress8Big) {
const uint32_t addr_size = 8;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderBig, addr_size);
encoder.AppendAddress(0x11223344);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x00, 0x00, 0x00, 0x00, 0x11, 0x22, 0x33, 0x44}));
encoder.AppendAddress(0x5566778899AABBCC);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x00, 0x00, 0x00, 0x00, 0x11, 0x22, 0x33, 0x44,
0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC}));
}
TEST(DataEncoderTest, AppendData) {
const uint32_t addr_size = 4;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderBig, addr_size);
// Make sure default constructed StringRef appends nothing
encoder.AppendData(StringRef());
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({}));
// Make sure empty StringRef appends nothing
encoder.AppendData(StringRef(""));
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({}));
// Append some bytes that contains a NULL character
encoder.AppendData(StringRef("\x11\x00\x22", 3));
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x11, 0x00, 0x22}));
}
TEST(DataEncoderTest, AppendCString) {
const uint32_t addr_size = 4;
std::vector<uint8_t> expected;
DataEncoder encoder(lldb::eByteOrderBig, addr_size);
// Make sure default constructed StringRef appends nothing
encoder.AppendCString(StringRef());
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({}));
// Make sure empty StringRef appends a NULL character since the StringRef
// doesn't contain a NULL in the referenced string.
encoder.AppendCString(StringRef(""));
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x00}));
// Make sure empty StringRef appends only one NULL character if StringRef
// does contain a NULL in the referenced string.
encoder.AppendCString(StringRef("\0", 1));
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x00, 0x00}));
// Append a string where the StringRef doesn't contain a NULL termination
// and verify the NULL terminate gets added
encoder.AppendCString(StringRef("hello"));
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x00, 0x00, 'h', 'e', 'l', 'l', 'o', 0x00}));
// Append a string where the StringRef does contain a NULL termination and
// verify only one NULL is added
encoder.AppendCString(StringRef("world", 6));
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x00, 0x00, 'h', 'e', 'l', 'l', 'o', 0x00,
'w', 'o', 'r', 'l', 'd', '\0'}));
}
TEST(DataEncoderTest, PutU16Little) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
offset = encoder.PutU16(offset, 11);
ASSERT_EQ(offset, 2U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 3, 4, 5, 6, 7, 8}));
offset = encoder.PutU16(offset, 12);
ASSERT_EQ(offset, 4U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 12, 0, 5, 6, 7, 8}));
offset = encoder.PutU16(offset, 13);
ASSERT_EQ(offset, 6U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 12, 0, 13, 0, 7, 8}));
offset = encoder.PutU16(offset, 14);
ASSERT_EQ(offset, 8U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 12, 0, 13, 0, 14, 0}));
// Check that putting a number to an invalid offset doesn't work and returns
// an error offset and doesn't modify the buffer.
ASSERT_EQ(encoder.PutU16(init.size(), 15), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 12, 0, 13, 0, 14, 0}));
}
TEST(DataEncoderTest, PutU16Big) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderBig,
addr_size);
offset = encoder.PutU16(offset, 11);
ASSERT_EQ(offset, 2U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 11, 3, 4, 5, 6, 7, 8}));
offset = encoder.PutU16(offset, 12);
ASSERT_EQ(offset, 4U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 11, 0, 12, 5, 6, 7, 8}));
offset = encoder.PutU16(offset, 13);
ASSERT_EQ(offset, 6U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 11, 0, 12, 0, 13, 7, 8}));
offset = encoder.PutU16(offset, 14);
ASSERT_EQ(offset, 8U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 11, 0, 12, 0, 13, 0, 14}));
// Check that putting a number to an invalid offset doesn't work and returns
// an error offset and doesn't modify the buffer.
ASSERT_EQ(encoder.PutU16(init.size(), 15), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 11, 0, 12, 0, 13, 0, 14}));
}
TEST(DataEncoderTest, PutU32Little) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
offset = encoder.PutU32(offset, 11);
ASSERT_EQ(offset, 4U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 0, 0, 5, 6, 7, 8}));
offset = encoder.PutU32(offset, 12);
ASSERT_EQ(offset, 8u);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 0, 0, 12, 0, 0, 0}));
// Check that putting a number to an invalid offset doesn't work and returns
// an error offset and doesn't modify the buffer.
ASSERT_EQ(encoder.PutU32(init.size(), 15), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 0, 0, 12, 0, 0, 0}));
}
TEST(DataEncoderTest, PutU32Big) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderBig,
addr_size);
offset = encoder.PutU32(offset, 11);
ASSERT_EQ(offset, 4U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 0, 0, 11, 5, 6, 7, 8}));
offset = encoder.PutU32(offset, 12);
ASSERT_EQ(offset, 8U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 0, 0, 11, 0, 0, 0, 12}));
// Check that putting a number to an invalid offset doesn't work and returns
// an error offset and doesn't modify the buffer.
ASSERT_EQ(encoder.PutU32(init.size(), 15), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 0, 0, 11, 0, 0, 0, 12}));
}
TEST(DataEncoderTest, PutU64Little) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
offset = encoder.PutU64(offset, 11);
ASSERT_EQ(offset, 8U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 0, 0, 0, 0, 0, 0}));
// Check that putting a number to an invalid offset doesn't work and returns
// an error offset and doesn't modify the buffer.
ASSERT_EQ(encoder.PutU64(init.size(), 15), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 0, 0, 0, 0, 0, 0, 0}));
}
TEST(DataEncoderTest, PutU64Big) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderBig,
addr_size);
offset = encoder.PutU64(offset, 11);
ASSERT_EQ(offset, 8U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 0, 0, 0, 0, 0, 0, 11}));
// Check that putting a number to an invalid offset doesn't work and returns
// an error offset and doesn't modify the buffer.
ASSERT_EQ(encoder.PutU64(init.size(), 15), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0, 0, 0, 0, 0, 0, 0, 11}));
}
TEST(DataEncoderTest, PutUnsignedLittle) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
// Put only the least significant byte from the uint64_t into the encoder
offset = encoder.PutUnsigned(0, 1, 0x1122334455667788ULL);
ASSERT_EQ(offset, 1U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({0x88, 2, 3, 4, 5, 6, 7, 8}));
// Put only the least significant 2 byte2 from the uint64_t into the encoder
offset = encoder.PutUnsigned(0, 2, 0x1122334455667788ULL);
ASSERT_EQ(offset, 2U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x88, 0x77, 3, 4, 5, 6, 7, 8}));
// Put only the least significant 4 bytes from the uint64_t into the encoder
offset = encoder.PutUnsigned(0, 4, 0x1122334455667788ULL);
ASSERT_EQ(offset, 4U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x88, 0x77, 0x66, 0x55, 5, 6, 7, 8}));
// Put the full uint64_t value into the encoder
offset = encoder.PutUnsigned(0, 8, 0x1122334455667788ULL);
ASSERT_EQ(offset, 8U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11}));
}
TEST(DataEncoderTest, PutUnsignedBig) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
uint32_t offset = 0;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderBig,
addr_size);
// Put only the least significant byte from the uint64_t into the encoder
offset = encoder.PutUnsigned(0, 1, 0x1122334455667788ULL);
ASSERT_EQ(offset, 1U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x88, 2, 3, 4, 5, 6, 7, 8}));
// Put only the least significant 2 byte2 from the uint64_t into the encoder
offset = encoder.PutUnsigned(0, 2, 0x1122334455667788ULL);
ASSERT_EQ(offset, 2U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x77, 0x88, 3, 4, 5, 6, 7, 8}));
// Put only the least significant 4 bytes from the uint64_t into the encoder
offset = encoder.PutUnsigned(0, 4, 0x1122334455667788ULL);
ASSERT_EQ(offset, 4U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x55, 0x66, 0x77, 0x88, 5, 6, 7, 8}));
// Put the full uint64_t value into the encoder
offset = encoder.PutUnsigned(0, 8, 0x1122334455667788ULL);
ASSERT_EQ(offset, 8U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
}
TEST(DataEncoderTest, PutData) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
char one_byte[] = {11};
char two_bytes[] = {12, 13};
char to_many_bytes[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
uint32_t offset = 0;
// Test putting zero bytes from a invalid array (NULL)
offset = encoder.PutData(offset, nullptr, 0);
ASSERT_EQ(offset, 0U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>(init));
// Test putting zero bytes from a valid array
offset = encoder.PutData(offset, one_byte, 0);
ASSERT_EQ(offset, 0U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>(init));
// Test putting one byte from a valid array
offset = encoder.PutData(offset, one_byte, sizeof(one_byte));
ASSERT_EQ(offset, 1U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 2, 3, 4, 5, 6, 7, 8}));
offset = encoder.PutData(offset, two_bytes, sizeof(two_bytes));
ASSERT_EQ(offset, 3U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 12, 13, 4, 5, 6, 7, 8}));
offset = encoder.PutData(0, to_many_bytes, sizeof(to_many_bytes));
ASSERT_EQ(offset, UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({11, 12, 13, 4, 5, 6, 7, 8}));
}
TEST(DataEncoderTest, PutCString) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
// Test putting invalid string pointer
ASSERT_EQ(encoder.PutCString(0, nullptr), UINT32_MAX);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>(init));
// Test putting an empty string
uint32_t offset = 0;
offset = encoder.PutCString(offset, "");
ASSERT_EQ(offset, 1U);
ASSERT_EQ(encoder.GetData(), ArrayRef<uint8_t>({'\0', 2, 3, 4, 5, 6, 7, 8}));
// Test putting valid C string
offset = encoder.PutCString(offset, "hello");
ASSERT_EQ(offset, 7U);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({'\0', 'h', 'e', 'l', 'l', 'o', '\0', 8}));
// Test putting valid C string but where it won't fit in existing data and
// make sure data stay unchanged.
offset = encoder.PutCString(offset, "world");
ASSERT_EQ(offset, UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({'\0', 'h', 'e', 'l', 'l', 'o', '\0', 8}));
}
TEST(DataEncoderTest, PutAddressLittle4) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
uint32_t offset = 0;
offset = encoder.PutAddress(offset, 0x11223344);
ASSERT_EQ(offset, addr_size);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 5, 6, 7, 8}));
offset = encoder.PutAddress(offset, 0x55667788);
ASSERT_EQ(offset, addr_size*2);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x88, 0x77, 0x66, 0x55}));
// Make sure we can put an address when it won't fit in the existing buffer
// and that the buffer doesn't get modified.
ASSERT_EQ(encoder.PutAddress(addr_size+1, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x88, 0x77, 0x66, 0x55}));
ASSERT_EQ(encoder.PutAddress(addr_size+2, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x88, 0x77, 0x66, 0x55}));
ASSERT_EQ(encoder.PutAddress(addr_size+3, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x88, 0x77, 0x66, 0x55}));
ASSERT_EQ(encoder.PutAddress(addr_size+4, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x88, 0x77, 0x66, 0x55}));
}
TEST(DataEncoderTest, PutAddressBig4) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 4;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderBig,
addr_size);
uint32_t offset = 0;
offset = encoder.PutAddress(offset, 0x11223344);
ASSERT_EQ(offset, addr_size);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 5, 6, 7, 8}));
offset = encoder.PutAddress(offset, 0x55667788);
ASSERT_EQ(offset, addr_size*2);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
// Make sure we can put an address when it won't fit in the existing buffer
// and that the buffer doesn't get modified.
ASSERT_EQ(encoder.PutAddress(addr_size+1, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(addr_size+2, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(addr_size+3, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(addr_size+4, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
}
TEST(DataEncoderTest, PutAddressLittle8) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 8;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderLittle,
addr_size);
uint32_t offset = 0;
offset = encoder.PutAddress(offset, 0x11223344);
ASSERT_EQ(offset, addr_size);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
// Make sure we can put an address when it won't fit in the existing buffer
// and that the buffer doesn't get modified.
ASSERT_EQ(encoder.PutAddress(1, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
ASSERT_EQ(encoder.PutAddress(2, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
ASSERT_EQ(encoder.PutAddress(3, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
ASSERT_EQ(encoder.PutAddress(4, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
ASSERT_EQ(encoder.PutAddress(5, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
ASSERT_EQ(encoder.PutAddress(6, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
ASSERT_EQ(encoder.PutAddress(7, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
ASSERT_EQ(encoder.PutAddress(8, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x00, 0x00}));
}
TEST(DataEncoderTest, PutAddressBig8) {
const std::vector<uint8_t> init = {1, 2, 3, 4, 5, 6, 7, 8};
const uint32_t addr_size = 8;
DataEncoder encoder(init.data(), init.size(), lldb::eByteOrderBig,
addr_size);
uint32_t offset = 0;
offset = encoder.PutAddress(offset, 0x1122334455667788);
ASSERT_EQ(offset, addr_size);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
// Make sure we can put an address when it won't fit in the existing buffer
// and that the buffer doesn't get modified.
ASSERT_EQ(encoder.PutAddress(1, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(2, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(3, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(4, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(5, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(6, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(7, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
ASSERT_EQ(encoder.PutAddress(8, 0x10203040), UINT32_MAX);
ASSERT_EQ(encoder.GetData(),
ArrayRef<uint8_t>({0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}));
}
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