diff options
Diffstat (limited to 'lldb/unittests/Language/CPlusPlus')
| -rw-r--r-- | lldb/unittests/Language/CPlusPlus/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp | 175 |
2 files changed, 176 insertions, 0 deletions
diff --git a/lldb/unittests/Language/CPlusPlus/CMakeLists.txt b/lldb/unittests/Language/CPlusPlus/CMakeLists.txt index 4882eafc8d85..1d96fcf3db1b 100644 --- a/lldb/unittests/Language/CPlusPlus/CMakeLists.txt +++ b/lldb/unittests/Language/CPlusPlus/CMakeLists.txt @@ -3,4 +3,5 @@ add_lldb_unittest(LanguageCPlusPlusTests LINK_LIBS lldbPluginCPlusPlusLanguage + LLVMTestingSupport ) diff --git a/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp b/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp index 957fb3f60049..8c36f540370f 100644 --- a/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp +++ b/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp @@ -9,6 +9,8 @@ #include "Plugins/Language/CPlusPlus/CPlusPlusNameParser.h" #include "TestingSupport/SubsystemRAII.h" #include "lldb/lldb-enumerations.h" +#include "llvm/Support/Error.h" +#include "llvm/Testing/Support/Error.h" #include "gmock/gmock.h" #include "gtest/gtest.h" #include <optional> @@ -427,3 +429,176 @@ TEST(CPlusPlusLanguage, MatchesCxx) { Mangled msvcSymbol("??x@@3AH"); EXPECT_TRUE(CPlusPlusLang->SymbolNameFitsToLanguage(msvcSymbol)); } + +struct ManglingSubstitutorTestCase { + llvm::StringRef mangled; + llvm::StringRef from; + llvm::StringRef to; + llvm::StringRef expected; + bool expect_error; +}; + +struct ManglingSubstitutorTestFixture + : public ::testing::TestWithParam<ManglingSubstitutorTestCase> {}; + +ManglingSubstitutorTestCase g_mangled_substitutor_type_test_cases[] = { + {/*.mangled*/ "_Z3fooa", /*from*/ "a", /*to*/ "c", /*expected*/ "_Z3fooc", + /*expect_error*/ false}, + {/*.mangled*/ "_Z3fooy", /*from*/ "y", /*to*/ "m", /*expected*/ "_Z3foom", + /*expect_error*/ false}, + {/*.mangled*/ "_Z3foox", /*from*/ "x", /*to*/ "l", /*expected*/ "_Z3fool", + /*expect_error*/ false}, + {/*.mangled*/ "_Z3baraa", /*from*/ "a", /*to*/ "c", /*expected*/ "_Z3barcc", + /*expect_error*/ false}, + {/*.mangled*/ "_Z3foov", /*from*/ "x", /*to*/ "l", /*expected*/ "", + /*expect_error*/ false}, + {/*.mangled*/ "_Z3fooB3Tagv", /*from*/ "Tag", /*to*/ "random", + /*expected*/ "", /*expect_error*/ false}, + {/*.mangled*/ "_Z3foocc", /*from*/ "a", /*to*/ "c", /*expected*/ "", + /*expect_error*/ false}, + {/*.mangled*/ "_ZN3fooIaE3barIaEEvaT_", /*from*/ "a", /*to*/ "c", + /*expected*/ "_ZN3fooIcE3barIcEEvcT_", /*expect_error*/ false}, + {/*.mangled*/ "foo", /*from*/ "x", /*to*/ "l", /*expected*/ "", + /*expect_error*/ true}, + {/*.mangled*/ "", /*from*/ "x", /*to*/ "l", /*expected*/ "", + /*expect_error*/ true}, + // FIXME: these two cases are odd behaviours, though not realistic in + // practice. + {/*.mangled*/ "_Z3foox", /*from*/ "", /*to*/ "l", /*expected*/ "_Z3foolx", + /*expect_error*/ false}, + {/*.mangled*/ "_Z3foox", /*from*/ "x", /*to*/ "", /*expected*/ "_Z3foo", + /*expect_error*/ false}}; + +TEST_P(ManglingSubstitutorTestFixture, Type) { + // Tests the CPlusPlusLanguage::SubstituteType_ItaniumMangle API. + + const auto &[mangled, from, to, expected, expect_error] = GetParam(); + + auto subst_or_err = + CPlusPlusLanguage::SubstituteType_ItaniumMangle(mangled, from, to); + if (expect_error) { + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Failed()); + } else { + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_EQ(*subst_or_err, expected); + } +} + +INSTANTIATE_TEST_SUITE_P( + ManglingSubstitutorTypeTests, ManglingSubstitutorTestFixture, + ::testing::ValuesIn(g_mangled_substitutor_type_test_cases)); + +struct ManglingSubstitutorStructorTestFixture + : public ::testing::TestWithParam<ManglingSubstitutorTestCase> {}; + +ManglingSubstitutorTestCase g_mangled_substitutor_structor_test_cases[] = { + {/*.mangled*/ "_ZN3FooC1Ev", /*from*/ "C1", /*to*/ "C2", + /*expected*/ "_ZN3FooC2Ev", /*expect_error*/ false}, + {/*.mangled*/ "_ZN3FooC4Ev", /*from*/ "C4", /*to*/ "C2", + /*expected*/ "_ZN3FooC2Ev", /*expect_error*/ false}, + {/*.mangled*/ "_ZN3FooC2Ev", /*from*/ "C1", /*to*/ "C2", /*expected*/ "", + /*expect_error*/ false}, + {/*.mangled*/ "_ZN3FooD1Ev", /*from*/ "D1", /*to*/ "D2", + /*expected*/ "_ZN3FooD2Ev", /*expect_error*/ false}, + {/*.mangled*/ "_ZN3FooD2Ev", /*from*/ "D1", /*to*/ "D2", /*expected*/ "", + /*expect_error*/ false}, + {/*.mangled*/ "_ZN3FooD4Ev", /*from*/ "D4", /*to*/ "D2", + /*expected*/ "_ZN3FooD2Ev", /*expect_error*/ false}, + {/*.mangled*/ "_ZN2D12C1C1I2C12D1EE2C12D1", /*from*/ "C1", /*to*/ "C2", + /*expected*/ "_ZN2D12C1C2I2C12D1EE2C12D1", /*expect_error*/ false}, + {/*.mangled*/ "_ZN2D12C1D1I2C12D1EE2C12D1", /*from*/ "D1", /*to*/ "D2", + /*expected*/ "_ZN2D12C1D2I2C12D1EE2C12D1", /*expect_error*/ false}, + {/*.mangled*/ "_ZN3FooC6Ev", /*from*/ "D1", /*to*/ "D2", /*expected*/ "", + /*expect_error*/ true}, + {/*.mangled*/ "_ZN2D12C1B2D1C1I2C1B2C12D1B2D1EE2C1B2C12D1B2D1", + /*from*/ "C1", /*to*/ "C2", + /*expected*/ "_ZN2D12C1B2D1C2I2C1B2C12D1B2D1EE2C1B2C12D1B2D1", + /*expect_error*/ false}, + {/*.mangled*/ "_ZN2D12C1B2D1D1I2C1B2C12D1B2D1EE2C1B2C12D1B2D1", + /*from*/ "D1", /*to*/ "D2", + /*expected*/ "_ZN2D12C1B2D1D2I2C1B2C12D1B2D1EE2C1B2C12D1B2D1", + /*expect_error*/ false}, +}; + +TEST_P(ManglingSubstitutorStructorTestFixture, Structors) { + // Tests the CPlusPlusLanguage::SubstituteStructor_ItaniumMangle API. + + const auto &[mangled, from, to, expected, expect_error] = GetParam(); + + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructor_ItaniumMangle(mangled, from, to); + if (expect_error) { + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Failed()); + } else { + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_EQ(*subst_or_err, expected); + } +} + +INSTANTIATE_TEST_SUITE_P( + ManglingSubstitutorStructorTests, ManglingSubstitutorStructorTestFixture, + ::testing::ValuesIn(g_mangled_substitutor_structor_test_cases)); + +TEST(CPlusPlusLanguage, ManglingSubstitutor_StructorAlias) { + // Tests the CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle API. + { + // Invalid mangling. + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle("Foo"); + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Failed()); + } + + { + // Ctor C1 alias. + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle( + "_ZN3FooC1Ev"); + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_EQ(*subst_or_err, "_ZN3FooC2Ev"); + } + + { + // Dtor D1 alias. + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle( + "_ZN3FooD1Ev"); + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_EQ(*subst_or_err, "_ZN3FooD2Ev"); + } + + { + // Ctor C2 not aliased. + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle( + "_ZN3FooC2Ev"); + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_FALSE(*subst_or_err); + } + + { + // Dtor D2 not aliased. + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle( + "_ZN3FooD2Ev"); + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_FALSE(*subst_or_err); + } + + { + // Check that ctor variants in other parts of the name don't get replaced. + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle( + "_ZN2D12C1B2D1C1I2C1B2C12D1B2D1EE2C1B2C12D1B2D1"); + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_EQ(*subst_or_err, "_ZN2D12C1B2D1C2I2C1B2C12D1B2D1EE2C1B2C12D1B2D1"); + } + + { + // Check that dtor variants in other parts of the name don't get replaced. + auto subst_or_err = + CPlusPlusLanguage::SubstituteStructorAliases_ItaniumMangle( + "_ZN2D12C1B2D1D1I2C1B2C12D1B2D1EE2C1B2C12D1B2D1"); + EXPECT_THAT_EXPECTED(subst_or_err, llvm::Succeeded()); + EXPECT_EQ(*subst_or_err, "_ZN2D12C1B2D1D2I2C1B2C12D1B2D1EE2C1B2C12D1B2D1"); + } +} |