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//===-- ScalarTest.cpp ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#if defined(_MSC_VER) && (_HAS_EXCEPTIONS == 0)
// Workaround for MSVC standard library bug, which fails to include <thread>
// when
// exceptions are disabled.
#include <eh.h>
#endif
#include "gtest/gtest.h"
#include "lldb/Core/DataExtractor.h"
#include "lldb/Core/Error.h"
#include "lldb/Core/Scalar.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Host/Endian.h"
using namespace lldb_private;
TEST(ScalarTest, RightShiftOperator) {
int a = 0x00001000;
int b = 0xFFFFFFFF;
int c = 4;
Scalar a_scalar(a);
Scalar b_scalar(b);
Scalar c_scalar(c);
ASSERT_EQ(a >> c, a_scalar >> c_scalar);
ASSERT_EQ(b >> c, b_scalar >> c_scalar);
}
TEST(ScalarTest, GetBytes) {
int a = 0x01020304;
long long b = 0x0102030405060708LL;
float c = 1234567.89e42;
double d = 1234567.89e42;
char e[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
char f[32] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32};
Scalar a_scalar(a);
Scalar b_scalar(b);
Scalar c_scalar(c);
Scalar d_scalar(d);
Scalar e_scalar;
Scalar f_scalar;
DataExtractor e_data(e, sizeof(e), endian::InlHostByteOrder(),
sizeof(void *));
Error e_error =
e_scalar.SetValueFromData(e_data, lldb::eEncodingUint, sizeof(e));
DataExtractor f_data(f, sizeof(f), endian::InlHostByteOrder(),
sizeof(void *));
Error f_error =
f_scalar.SetValueFromData(f_data, lldb::eEncodingUint, sizeof(f));
ASSERT_EQ(0, memcmp(&a, a_scalar.GetBytes(), sizeof(a)));
ASSERT_EQ(0, memcmp(&b, b_scalar.GetBytes(), sizeof(b)));
ASSERT_EQ(0, memcmp(&c, c_scalar.GetBytes(), sizeof(c)));
ASSERT_EQ(0, memcmp(&d, d_scalar.GetBytes(), sizeof(d)));
ASSERT_EQ(0, e_error.Fail());
ASSERT_EQ(0, memcmp(e, e_scalar.GetBytes(), sizeof(e)));
ASSERT_EQ(0, f_error.Fail());
ASSERT_EQ(0, memcmp(f, f_scalar.GetBytes(), sizeof(f)));
}
TEST(ScalarTest, CastOperations) {
long long a = 0xf1f2f3f4f5f6f7f8LL;
Scalar a_scalar(a);
ASSERT_EQ((signed char)a, a_scalar.SChar());
ASSERT_EQ((unsigned char)a, a_scalar.UChar());
ASSERT_EQ((signed short)a, a_scalar.SShort());
ASSERT_EQ((unsigned short)a, a_scalar.UShort());
ASSERT_EQ((signed int)a, a_scalar.SInt());
ASSERT_EQ((unsigned int)a, a_scalar.UInt());
ASSERT_EQ((signed long)a, a_scalar.SLong());
ASSERT_EQ((unsigned long)a, a_scalar.ULong());
ASSERT_EQ((signed long long)a, a_scalar.SLongLong());
ASSERT_EQ((unsigned long long)a, a_scalar.ULongLong());
}
TEST(ScalarTest, ExtractBitfield) {
uint32_t len = sizeof(long long) * 8;
long long a1 = 0xf1f2f3f4f5f6f7f8LL;
long long b1 = 0xff1f2f3f4f5f6f7fLL;
Scalar s_scalar(a1);
ASSERT_TRUE(s_scalar.ExtractBitfield(0, 0));
ASSERT_EQ(0, memcmp(&a1, s_scalar.GetBytes(), sizeof(a1)));
ASSERT_TRUE(s_scalar.ExtractBitfield(len, 0));
ASSERT_EQ(0, memcmp(&a1, s_scalar.GetBytes(), sizeof(a1)));
ASSERT_TRUE(s_scalar.ExtractBitfield(len - 4, 4));
ASSERT_EQ(0, memcmp(&b1, s_scalar.GetBytes(), sizeof(b1)));
unsigned long long a2 = 0xf1f2f3f4f5f6f7f8ULL;
unsigned long long b2 = 0x0f1f2f3f4f5f6f7fULL;
Scalar u_scalar(a2);
ASSERT_TRUE(u_scalar.ExtractBitfield(0, 0));
ASSERT_EQ(0, memcmp(&a2, u_scalar.GetBytes(), sizeof(a2)));
ASSERT_TRUE(u_scalar.ExtractBitfield(len, 0));
ASSERT_EQ(0, memcmp(&a2, u_scalar.GetBytes(), sizeof(a2)));
ASSERT_TRUE(u_scalar.ExtractBitfield(len - 4, 4));
ASSERT_EQ(0, memcmp(&b2, u_scalar.GetBytes(), sizeof(b2)));
}
template <typename T> static std::string ScalarGetValue(T value) {
StreamString stream;
Scalar(value).GetValue(&stream, false);
return stream.GetString();
}
TEST(ScalarTest, GetValue) {
EXPECT_EQ("12345", ScalarGetValue<signed short>(12345));
EXPECT_EQ("-12345", ScalarGetValue<signed short>(-12345));
EXPECT_EQ("12345", ScalarGetValue<unsigned short>(12345));
EXPECT_EQ(std::to_string(std::numeric_limits<unsigned short>::max()),
ScalarGetValue(std::numeric_limits<unsigned short>::max()));
EXPECT_EQ("12345", ScalarGetValue<signed int>(12345));
EXPECT_EQ("-12345", ScalarGetValue<signed int>(-12345));
EXPECT_EQ("12345", ScalarGetValue<unsigned int>(12345));
EXPECT_EQ(std::to_string(std::numeric_limits<unsigned int>::max()),
ScalarGetValue(std::numeric_limits<unsigned int>::max()));
EXPECT_EQ("12345678", ScalarGetValue<signed long>(12345678L));
EXPECT_EQ("-12345678", ScalarGetValue<signed long>(-12345678L));
EXPECT_EQ("12345678", ScalarGetValue<unsigned long>(12345678UL));
EXPECT_EQ(std::to_string(std::numeric_limits<unsigned long>::max()),
ScalarGetValue(std::numeric_limits<unsigned long>::max()));
EXPECT_EQ("1234567890123", ScalarGetValue<signed long long>(1234567890123LL));
EXPECT_EQ("-1234567890123",
ScalarGetValue<signed long long>(-1234567890123LL));
EXPECT_EQ("1234567890123",
ScalarGetValue<unsigned long long>(1234567890123ULL));
EXPECT_EQ(std::to_string(std::numeric_limits<unsigned long long>::max()),
ScalarGetValue(std::numeric_limits<unsigned long long>::max()));
}
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