| //===-- ScalarTest.cpp ------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "gtest/gtest.h" |
| |
| #include "lldb/Core/Scalar.h" |
| #include "lldb/Utility/DataExtractor.h" |
| #include "lldb/Utility/Endian.h" |
| #include "lldb/Utility/Status.h" |
| #include "lldb/Utility/StreamString.h" |
| #include "llvm/Testing/Support/Error.h" |
| |
| using namespace lldb_private; |
| using namespace llvm; |
| |
| 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 = 1234567.89e32f; |
| 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 *)); |
| Status e_error = |
| e_scalar.SetValueFromData(e_data, lldb::eEncodingUint, sizeof(e)); |
| DataExtractor f_data(f, sizeof(f), endian::InlHostByteOrder(), |
| sizeof(void *)); |
| Status 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()); |
| |
| int a2 = 23; |
| Scalar a2_scalar(a2); |
| ASSERT_EQ((float)a2, a2_scalar.Float()); |
| ASSERT_EQ((double)a2, a2_scalar.Double()); |
| ASSERT_EQ((long double)a2, a2_scalar.LongDouble()); |
| } |
| |
| 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())); |
| } |
| |
| TEST(ScalarTest, Division) { |
| Scalar lhs(5.0); |
| Scalar rhs(2.0); |
| Scalar r = lhs / rhs; |
| EXPECT_TRUE(r.IsValid()); |
| EXPECT_EQ(r, Scalar(2.5)); |
| } |
| |
| TEST(ScalarTest, Promotion) { |
| static Scalar::Type int_types[] = { |
| Scalar::e_sint, Scalar::e_uint, Scalar::e_slong, |
| Scalar::e_ulong, Scalar::e_slonglong, Scalar::e_ulonglong, |
| Scalar::e_sint128, Scalar::e_uint128, Scalar::e_sint256, |
| Scalar::e_uint256, |
| Scalar::e_void // sentinel |
| }; |
| |
| static Scalar::Type float_types[] = { |
| Scalar::e_float, Scalar::e_double, Scalar::e_long_double, |
| Scalar::e_void // sentinel |
| }; |
| |
| for (int i = 0; int_types[i] != Scalar::e_void; ++i) { |
| for (int j = 0; float_types[j] != Scalar::e_void; ++j) { |
| Scalar lhs(2); |
| EXPECT_TRUE(lhs.Promote(int_types[i])) << "int promotion #" << i; |
| Scalar rhs(0.5f); |
| EXPECT_TRUE(rhs.Promote(float_types[j])) << "float promotion #" << j; |
| Scalar x(2.5f); |
| EXPECT_TRUE(x.Promote(float_types[j])); |
| EXPECT_EQ(lhs + rhs, x); |
| } |
| } |
| |
| for (int i = 0; float_types[i] != Scalar::e_void; ++i) { |
| for (int j = 0; float_types[j] != Scalar::e_void; ++j) { |
| Scalar lhs(2); |
| EXPECT_TRUE(lhs.Promote(float_types[i])) << "float promotion #" << i; |
| Scalar rhs(0.5f); |
| EXPECT_TRUE(rhs.Promote(float_types[j])) << "float promotion #" << j; |
| Scalar x(2.5f); |
| EXPECT_TRUE(x.Promote(float_types[j])); |
| EXPECT_EQ(lhs + rhs, x); |
| } |
| } |
| } |
| |
| TEST(ScalarTest, SetValueFromCString) { |
| Scalar a; |
| |
| EXPECT_THAT_ERROR( |
| a.SetValueFromCString("1234567890123", lldb::eEncodingUint, 8).ToError(), |
| Succeeded()); |
| EXPECT_EQ(1234567890123ull, a); |
| |
| EXPECT_THAT_ERROR( |
| a.SetValueFromCString("-1234567890123", lldb::eEncodingSint, 8).ToError(), |
| Succeeded()); |
| EXPECT_EQ(-1234567890123ll, a); |
| |
| EXPECT_THAT_ERROR( |
| a.SetValueFromCString("asdf", lldb::eEncodingSint, 8).ToError(), |
| Failed()); |
| EXPECT_THAT_ERROR( |
| a.SetValueFromCString("asdf", lldb::eEncodingUint, 8).ToError(), |
| Failed()); |
| EXPECT_THAT_ERROR( |
| a.SetValueFromCString("1234567890123", lldb::eEncodingUint, 4).ToError(), |
| Failed()); |
| EXPECT_THAT_ERROR(a.SetValueFromCString("123456789012345678901234567890", |
| lldb::eEncodingUint, 8) |
| .ToError(), |
| Failed()); |
| EXPECT_THAT_ERROR( |
| a.SetValueFromCString("-123", lldb::eEncodingUint, 8).ToError(), |
| Failed()); |
| } |