| //===- llvm/unittest/ADT/APSIntTest.cpp - APSInt unit tests ---------------===// |
| // |
| // 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 "llvm/ADT/APSInt.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| |
| namespace { |
| |
| TEST(APSIntTest, MoveTest) { |
| APSInt A(32, true); |
| EXPECT_TRUE(A.isUnsigned()); |
| |
| APSInt B(128, false); |
| A = B; |
| EXPECT_FALSE(A.isUnsigned()); |
| |
| APSInt C(B); |
| EXPECT_FALSE(C.isUnsigned()); |
| |
| APInt Wide(256, 0); |
| const uint64_t *Bits = Wide.getRawData(); |
| APSInt D(std::move(Wide)); |
| EXPECT_TRUE(D.isUnsigned()); |
| EXPECT_EQ(Bits, D.getRawData()); // Verify that "Wide" was really moved. |
| |
| A = APSInt(64, true); |
| EXPECT_TRUE(A.isUnsigned()); |
| |
| Wide = APInt(128, 1); |
| Bits = Wide.getRawData(); |
| A = std::move(Wide); |
| EXPECT_TRUE(A.isUnsigned()); |
| EXPECT_EQ(Bits, A.getRawData()); // Verify that "Wide" was really moved. |
| } |
| |
| TEST(APSIntTest, get) { |
| EXPECT_TRUE(APSInt::get(7).isSigned()); |
| EXPECT_EQ(64u, APSInt::get(7).getBitWidth()); |
| EXPECT_EQ(7u, APSInt::get(7).getZExtValue()); |
| EXPECT_EQ(7, APSInt::get(7).getSExtValue()); |
| EXPECT_TRUE(APSInt::get(-7).isSigned()); |
| EXPECT_EQ(64u, APSInt::get(-7).getBitWidth()); |
| EXPECT_EQ(-7, APSInt::get(-7).getSExtValue()); |
| EXPECT_EQ(UINT64_C(0) - 7, APSInt::get(-7).getZExtValue()); |
| } |
| |
| TEST(APSIntTest, getUnsigned) { |
| EXPECT_TRUE(APSInt::getUnsigned(7).isUnsigned()); |
| EXPECT_EQ(64u, APSInt::getUnsigned(7).getBitWidth()); |
| EXPECT_EQ(7u, APSInt::getUnsigned(7).getZExtValue()); |
| EXPECT_EQ(7, APSInt::getUnsigned(7).getSExtValue()); |
| EXPECT_TRUE(APSInt::getUnsigned(-7).isUnsigned()); |
| EXPECT_EQ(64u, APSInt::getUnsigned(-7).getBitWidth()); |
| EXPECT_EQ(-7, APSInt::getUnsigned(-7).getSExtValue()); |
| EXPECT_EQ(UINT64_C(0) - 7, APSInt::getUnsigned(-7).getZExtValue()); |
| } |
| |
| TEST(APSIntTest, getExtValue) { |
| EXPECT_TRUE(APSInt(APInt(3, 7), true).isUnsigned()); |
| EXPECT_TRUE(APSInt(APInt(3, 7), false).isSigned()); |
| EXPECT_TRUE(APSInt(APInt(4, 7), true).isUnsigned()); |
| EXPECT_TRUE(APSInt(APInt(4, 7), false).isSigned()); |
| EXPECT_TRUE(APSInt(APInt(4, -7), true).isUnsigned()); |
| EXPECT_TRUE(APSInt(APInt(4, -7), false).isSigned()); |
| EXPECT_EQ(7, APSInt(APInt(3, 7), true).getExtValue()); |
| EXPECT_EQ(-1, APSInt(APInt(3, 7), false).getExtValue()); |
| EXPECT_EQ(7, APSInt(APInt(4, 7), true).getExtValue()); |
| EXPECT_EQ(7, APSInt(APInt(4, 7), false).getExtValue()); |
| EXPECT_EQ(9, APSInt(APInt(4, -7), true).getExtValue()); |
| EXPECT_EQ(-7, APSInt(APInt(4, -7), false).getExtValue()); |
| } |
| |
| TEST(APSIntTest, compareValues) { |
| auto U = [](uint64_t V) { return APSInt::getUnsigned(V); }; |
| auto S = [](int64_t V) { return APSInt::get(V); }; |
| |
| // Bit-width matches and is-signed. |
| EXPECT_TRUE(APSInt::compareValues(S(7), S(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(8), S(7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(7), S(7)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(8), S(-7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(-7)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(-8)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-8), S(-7)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(-7)) == 0); |
| |
| // Bit-width matches and not is-signed. |
| EXPECT_TRUE(APSInt::compareValues(U(7), U(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8), U(7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7), U(7)) == 0); |
| |
| // Bit-width matches and mixed signs. |
| EXPECT_TRUE(APSInt::compareValues(U(7), S(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8), S(7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7), S(7)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8), S(-7)) > 0); |
| |
| // Bit-width mismatch and is-signed. |
| EXPECT_TRUE(APSInt::compareValues(S(7).trunc(32), S(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(8).trunc(32), S(7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(7).trunc(32), S(7)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7).trunc(32), S(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(8).trunc(32), S(-7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7).trunc(32), S(-7)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7).trunc(32), S(-8)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-8).trunc(32), S(-7)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7).trunc(32), S(-7)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(S(7), S(8).trunc(32)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(8), S(7).trunc(32)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(7), S(7).trunc(32)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(8).trunc(32)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(8), S(-7).trunc(32)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(-7).trunc(32)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(-8).trunc(32)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-8), S(-7).trunc(32)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(S(-7), S(-7).trunc(32)) == 0); |
| |
| // Bit-width mismatch and not is-signed. |
| EXPECT_TRUE(APSInt::compareValues(U(7), U(8).trunc(32)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8), U(7).trunc(32)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7), U(7).trunc(32)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7).trunc(32), U(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8).trunc(32), U(7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7).trunc(32), U(7)) == 0); |
| |
| // Bit-width mismatch and mixed signs. |
| EXPECT_TRUE(APSInt::compareValues(U(7).trunc(32), S(8)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8).trunc(32), S(7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7).trunc(32), S(7)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8).trunc(32), S(-7)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7), S(8).trunc(32)) < 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8), S(7).trunc(32)) > 0); |
| EXPECT_TRUE(APSInt::compareValues(U(7), S(7).trunc(32)) == 0); |
| EXPECT_TRUE(APSInt::compareValues(U(8), S(-7).trunc(32)) > 0); |
| } |
| |
| TEST(APSIntTest, FromString) { |
| EXPECT_EQ(APSInt("1").getExtValue(), 1); |
| EXPECT_EQ(APSInt("-1").getExtValue(), -1); |
| EXPECT_EQ(APSInt("0").getExtValue(), 0); |
| EXPECT_EQ(APSInt("56789").getExtValue(), 56789); |
| EXPECT_EQ(APSInt("-1234").getExtValue(), -1234); |
| } |
| |
| #if defined(GTEST_HAS_DEATH_TEST) && !defined(NDEBUG) |
| |
| TEST(APSIntTest, StringDeath) { |
| EXPECT_DEATH(APSInt(""), "Invalid string length"); |
| EXPECT_DEATH(APSInt("1a"), "Invalid character in digit string"); |
| } |
| |
| #endif |
| |
| } // end anonymous namespace |