1*67e74705SXin Li //===- unittests/AST/DeclTest.cpp --- Declaration tests -------------------===// 2*67e74705SXin Li // 3*67e74705SXin Li // The LLVM Compiler Infrastructure 4*67e74705SXin Li // 5*67e74705SXin Li // This file is distributed under the University of Illinois Open Source 6*67e74705SXin Li // License. See LICENSE.TXT for details. 7*67e74705SXin Li // 8*67e74705SXin Li //===----------------------------------------------------------------------===// 9*67e74705SXin Li // 10*67e74705SXin Li // Unit tests for Decl nodes in the AST. 11*67e74705SXin Li // 12*67e74705SXin Li //===----------------------------------------------------------------------===// 13*67e74705SXin Li 14*67e74705SXin Li #include "clang/ASTMatchers/ASTMatchFinder.h" 15*67e74705SXin Li #include "clang/Tooling/Tooling.h" 16*67e74705SXin Li #include "gtest/gtest.h" 17*67e74705SXin Li 18*67e74705SXin Li using namespace clang::ast_matchers; 19*67e74705SXin Li using namespace clang::tooling; 20*67e74705SXin Li TEST(Decl,CleansUpAPValues)21*67e74705SXin LiTEST(Decl, CleansUpAPValues) { 22*67e74705SXin Li MatchFinder Finder; 23*67e74705SXin Li std::unique_ptr<FrontendActionFactory> Factory( 24*67e74705SXin Li newFrontendActionFactory(&Finder)); 25*67e74705SXin Li 26*67e74705SXin Li // This is a regression test for a memory leak in APValues for structs that 27*67e74705SXin Li // allocate memory. This test only fails if run under valgrind with full leak 28*67e74705SXin Li // checking enabled. 29*67e74705SXin Li std::vector<std::string> Args(1, "-std=c++11"); 30*67e74705SXin Li Args.push_back("-fno-ms-extensions"); 31*67e74705SXin Li ASSERT_TRUE(runToolOnCodeWithArgs( 32*67e74705SXin Li Factory->create(), 33*67e74705SXin Li "struct X { int a; }; constexpr X x = { 42 };" 34*67e74705SXin Li "union Y { constexpr Y(int a) : a(a) {} int a; }; constexpr Y y = { 42 };" 35*67e74705SXin Li "constexpr int z[2] = { 42, 43 };" 36*67e74705SXin Li "constexpr int __attribute__((vector_size(16))) v1 = {};" 37*67e74705SXin Li "\n#ifdef __SIZEOF_INT128__\n" 38*67e74705SXin Li "constexpr __uint128_t large_int = 0xffffffffffffffff;" 39*67e74705SXin Li "constexpr __uint128_t small_int = 1;" 40*67e74705SXin Li "\n#endif\n" 41*67e74705SXin Li "constexpr double d1 = 42.42;" 42*67e74705SXin Li "constexpr long double d2 = 42.42;" 43*67e74705SXin Li "constexpr _Complex long double c1 = 42.0i;" 44*67e74705SXin Li "constexpr _Complex long double c2 = 42.0;" 45*67e74705SXin Li "template<int N> struct A : A<N-1> {};" 46*67e74705SXin Li "template<> struct A<0> { int n; }; A<50> a;" 47*67e74705SXin Li "constexpr int &r = a.n;" 48*67e74705SXin Li "constexpr int A<50>::*p = &A<50>::n;" 49*67e74705SXin Li "void f() { foo: bar: constexpr int k = __builtin_constant_p(0) ?" 50*67e74705SXin Li " (char*)&&foo - (char*)&&bar : 0; }", 51*67e74705SXin Li Args)); 52*67e74705SXin Li 53*67e74705SXin Li // FIXME: Once this test starts breaking we can test APValue::needsCleanup 54*67e74705SXin Li // for ComplexInt. 55*67e74705SXin Li ASSERT_FALSE(runToolOnCodeWithArgs( 56*67e74705SXin Li Factory->create(), 57*67e74705SXin Li "constexpr _Complex __uint128_t c = 0xffffffffffffffff;", 58*67e74705SXin Li Args)); 59*67e74705SXin Li } 60