| //===- unittests/AST/DeclTest.cpp --- Declaration tests -------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Unit tests for Decl nodes in the AST. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| #include "clang/Tooling/Tooling.h" |
| #include "gtest/gtest.h" |
| |
| using namespace clang::ast_matchers; |
| using namespace clang::tooling; |
| |
| TEST(Decl, CleansUpAPValues) { |
| MatchFinder Finder; |
| llvm::OwningPtr<FrontendActionFactory> Factory( |
| newFrontendActionFactory(&Finder)); |
| |
| // This is a regression test for a memory leak in APValues for structs that |
| // allocate memory. This test only fails if run under valgrind with full leak |
| // checking enabled. |
| std::vector<std::string> Args(1, "-std=c++11"); |
| Args.push_back("-fno-ms-extensions"); |
| ASSERT_TRUE(runToolOnCodeWithArgs( |
| Factory->create(), |
| "struct X { int a; }; constexpr X x = { 42 };" |
| "union Y { constexpr Y(int a) : a(a) {} int a; }; constexpr Y y = { 42 };" |
| "constexpr int z[2] = { 42, 43 };" |
| "constexpr int __attribute__((vector_size(16))) v1 = {};" |
| "\n#ifdef __SIZEOF_INT128__\n" |
| "constexpr __uint128_t large_int = 0xffffffffffffffff;" |
| "constexpr __uint128_t small_int = 1;" |
| "\n#endif\n" |
| "constexpr double d1 = 42.42;" |
| "constexpr long double d2 = 42.42;" |
| "constexpr _Complex long double c1 = 42.0i;" |
| "constexpr _Complex long double c2 = 42.0;" |
| "template<int N> struct A : A<N-1> {};" |
| "template<> struct A<0> { int n; }; A<50> a;" |
| "constexpr int &r = a.n;" |
| "constexpr int A<50>::*p = &A<50>::n;" |
| "void f() { foo: bar: constexpr int k = __builtin_constant_p(0) ?" |
| " (char*)&&foo - (char*)&&bar : 0; }", |
| Args)); |
| |
| // FIXME: Once this test starts breaking we can test APValue::needsCleanup |
| // for ComplexInt. |
| ASSERT_FALSE(runToolOnCodeWithArgs( |
| Factory->create(), |
| "constexpr _Complex __uint128_t c = 0xffffffffffffffff;", |
| Args)); |
| } |