llvm-for-llvmta/tools/clang/unittests/AST/DeclPrinterTest.cpp

1441 lines
40 KiB
C++

//===- unittests/AST/DeclPrinterTest.cpp --- Declaration printer 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
//
//===----------------------------------------------------------------------===//
//
// This file contains tests for Decl::print() and related methods.
//
// Search this file for WRONG to see test cases that are producing something
// completely wrong, invalid C++ or just misleading.
//
// These tests have a coding convention:
// * declaration to be printed is named 'A' unless it should have some special
// name (e.g., 'operator+');
// * additional helper declarations are 'Z', 'Y', 'X' and so on.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Tooling/Tooling.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"
#include "gtest/gtest.h"
using namespace clang;
using namespace ast_matchers;
using namespace tooling;
namespace {
using PrintingPolicyModifier = void (*)(PrintingPolicy &policy);
void PrintDecl(raw_ostream &Out, const ASTContext *Context, const Decl *D,
PrintingPolicyModifier PolicyModifier) {
PrintingPolicy Policy = Context->getPrintingPolicy();
Policy.TerseOutput = true;
Policy.Indentation = 0;
if (PolicyModifier)
PolicyModifier(Policy);
D->print(Out, Policy, /*Indentation*/ 0, /*PrintInstantiation*/ false);
}
class PrintMatch : public MatchFinder::MatchCallback {
SmallString<1024> Printed;
unsigned NumFoundDecls;
PrintingPolicyModifier PolicyModifier;
public:
PrintMatch(PrintingPolicyModifier PolicyModifier)
: NumFoundDecls(0), PolicyModifier(PolicyModifier) {}
void run(const MatchFinder::MatchResult &Result) override {
const Decl *D = Result.Nodes.getNodeAs<Decl>("id");
if (!D || D->isImplicit())
return;
NumFoundDecls++;
if (NumFoundDecls > 1)
return;
llvm::raw_svector_ostream Out(Printed);
PrintDecl(Out, Result.Context, D, PolicyModifier);
}
StringRef getPrinted() const {
return Printed;
}
unsigned getNumFoundDecls() const {
return NumFoundDecls;
}
};
::testing::AssertionResult
PrintedDeclMatches(StringRef Code, const std::vector<std::string> &Args,
const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted, StringRef FileName,
PrintingPolicyModifier PolicyModifier = nullptr,
bool AllowError = false) {
PrintMatch Printer(PolicyModifier);
MatchFinder Finder;
Finder.addMatcher(NodeMatch, &Printer);
std::unique_ptr<FrontendActionFactory> Factory(
newFrontendActionFactory(&Finder));
if (!runToolOnCodeWithArgs(Factory->create(), Code, Args, FileName) &&
!AllowError)
return testing::AssertionFailure()
<< "Parsing error in \"" << Code.str() << "\"";
if (Printer.getNumFoundDecls() == 0)
return testing::AssertionFailure()
<< "Matcher didn't find any declarations";
if (Printer.getNumFoundDecls() > 1)
return testing::AssertionFailure()
<< "Matcher should match only one declaration "
"(found " << Printer.getNumFoundDecls() << ")";
if (Printer.getPrinted() != ExpectedPrinted)
return ::testing::AssertionFailure()
<< "Expected \"" << ExpectedPrinted.str() << "\", "
"got \"" << Printer.getPrinted().str() << "\"";
return ::testing::AssertionSuccess();
}
::testing::AssertionResult
PrintedDeclCXX98Matches(StringRef Code, StringRef DeclName,
StringRef ExpectedPrinted,
PrintingPolicyModifier PolicyModifier = nullptr) {
std::vector<std::string> Args(1, "-std=c++98");
return PrintedDeclMatches(Code, Args, namedDecl(hasName(DeclName)).bind("id"),
ExpectedPrinted, "input.cc", PolicyModifier);
}
::testing::AssertionResult
PrintedDeclCXX98Matches(StringRef Code, const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted,
PrintingPolicyModifier PolicyModifier = nullptr) {
std::vector<std::string> Args(1, "-std=c++98");
return PrintedDeclMatches(Code,
Args,
NodeMatch,
ExpectedPrinted,
"input.cc",
PolicyModifier);
}
::testing::AssertionResult PrintedDeclCXX11Matches(StringRef Code,
StringRef DeclName,
StringRef ExpectedPrinted) {
std::vector<std::string> Args(1, "-std=c++11");
return PrintedDeclMatches(Code, Args, namedDecl(hasName(DeclName)).bind("id"),
ExpectedPrinted, "input.cc");
}
::testing::AssertionResult PrintedDeclCXX11Matches(
StringRef Code,
const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted) {
std::vector<std::string> Args(1, "-std=c++11");
return PrintedDeclMatches(Code,
Args,
NodeMatch,
ExpectedPrinted,
"input.cc");
}
::testing::AssertionResult PrintedDeclCXX11nonMSCMatches(
StringRef Code,
const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted) {
std::vector<std::string> Args{"-std=c++11", "-fno-delayed-template-parsing"};
return PrintedDeclMatches(Code,
Args,
NodeMatch,
ExpectedPrinted,
"input.cc");
}
::testing::AssertionResult
PrintedDeclCXX17Matches(StringRef Code, const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted,
PrintingPolicyModifier PolicyModifier = nullptr) {
std::vector<std::string> Args{"-std=c++17", "-fno-delayed-template-parsing"};
return PrintedDeclMatches(Code, Args, NodeMatch, ExpectedPrinted, "input.cc",
PolicyModifier);
}
::testing::AssertionResult
PrintedDeclC11Matches(StringRef Code, const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted,
PrintingPolicyModifier PolicyModifier = nullptr) {
std::vector<std::string> Args(1, "-std=c11");
return PrintedDeclMatches(Code, Args, NodeMatch, ExpectedPrinted, "input.c",
PolicyModifier);
}
::testing::AssertionResult
PrintedDeclObjCMatches(StringRef Code, const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted, bool AllowError = false) {
std::vector<std::string> Args(1, "");
return PrintedDeclMatches(Code, Args, NodeMatch, ExpectedPrinted, "input.m",
/*PolicyModifier=*/nullptr, AllowError);
}
} // unnamed namespace
TEST(DeclPrinter, TestTypedef1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"typedef int A;",
"A",
"typedef int A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTypedef2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"typedef const char *A;",
"A",
"typedef const char *A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTypedef3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template <typename Y> class X {};"
"typedef X<int> A;",
"A",
"typedef X<int> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTypedef4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"namespace X { class Y {}; }"
"typedef X::Y A;",
"A",
"typedef X::Y A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestNamespace1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"namespace A { int B; }",
"A",
"namespace A {\n}"));
// Should be: with { ... }
}
TEST(DeclPrinter, TestNamespace2) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"inline namespace A { int B; }",
"A",
"inline namespace A {\n}"));
// Should be: with { ... }
}
TEST(DeclPrinter, TestNamespaceAlias1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"namespace Z { }"
"namespace A = Z;",
"A",
"namespace A = Z"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestNamespaceAlias2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"namespace X { namespace Y {} }"
"namespace A = X::Y;",
"A",
"namespace A = X::Y"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestNamespaceUnnamed) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"namespace { int X; }",
namespaceDecl(has(varDecl(hasName("X")))).bind("id"),
"namespace {\nint X;\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestNamespaceUsingDirective) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"namespace X { namespace A {} }"
"using namespace X::A;",
usingDirectiveDecl().bind("id"), "using namespace X::A",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestEnumDecl1) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"enum A { a0, a1, a2 };", enumDecl(hasName("A")).bind("id"),
"enum A {\na0,\na1,\na2\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestEnumDecl2) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"enum A { a0 = -1, a1, a2 = 1 };", enumDecl(hasName("A")).bind("id"),
"enum A {\na0 = -1,\na1,\na2 = 1\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestEnumDecl3) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"enum { a0, a1, a2 };",
enumDecl(has(enumConstantDecl(hasName("a0")))).bind("id"),
"enum {\na0,\na1,\na2\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestEnumDecl4) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"enum class A { a0, a1, a2 };", enumDecl(hasName("A")).bind("id"),
"enum class A : int {\na0,\na1,\na2\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestRecordDecl1) {
ASSERT_TRUE(PrintedDeclC11Matches(
"struct A { int a; };", recordDecl(hasName("A")).bind("id"),
"struct A {\nint a;\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestRecordDecl2) {
ASSERT_TRUE(PrintedDeclC11Matches(
"struct A { struct { int i; }; };", recordDecl(hasName("A")).bind("id"),
"struct A {\nstruct {\nint i;\n};\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestRecordDecl3) {
ASSERT_TRUE(PrintedDeclC11Matches(
"union { int A; } u;",
recordDecl(has(fieldDecl(hasName("A")))).bind("id"), "union {\nint A;\n}",
[](PrintingPolicy &Policy) { Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestCXXRecordDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class A { int a; };",
"A",
"class A {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A { int a; };",
"A",
"struct A {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"union A { int a; };",
"A",
"union A {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class Z { int a; };"
"class A : Z { int b; };",
"A",
"class A : Z {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl5) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z { int a; };"
"struct A : Z { int b; };",
"A",
"struct A : Z {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl6) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class Z { int a; };"
"class A : public Z { int b; };",
"A",
"class A : public Z {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl7) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class Z { int a; };"
"class A : protected Z { int b; };",
"A",
"class A : protected Z {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl8) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class Z { int a; };"
"class A : private Z { int b; };",
"A",
"class A : private Z {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl9) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class Z { int a; };"
"class A : virtual Z { int b; };",
"A",
"class A : virtual Z {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl10) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class Z { int a; };"
"class A : virtual public Z { int b; };",
"A",
"class A : virtual public Z {}"));
}
TEST(DeclPrinter, TestCXXRecordDecl11) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class Z { int a; };"
"class Y : virtual public Z { int b; };"
"class A : virtual public Z, private Y { int c; };",
"A",
"class A : virtual public Z, private Y {}"));
}
TEST(DeclPrinter, TestFunctionDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void A();",
"A",
"void A()"));
}
TEST(DeclPrinter, TestFreeFunctionDecl_FullyQualifiedName) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void A();",
"A",
"void A()",
[](PrintingPolicy &Policy){ Policy.FullyQualifiedName = true; }));
}
TEST(DeclPrinter, TestFreeFunctionDeclInNamespace_FullyQualifiedName) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"namespace X { void A(); };",
"A",
"void X::A()",
[](PrintingPolicy &Policy){ Policy.FullyQualifiedName = true; }));
}
TEST(DeclPrinter, TestMemberFunction_FullyQualifiedName) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct X { void A(); };",
"A",
"void X::A()",
[](PrintingPolicy &Policy){ Policy.FullyQualifiedName = true; }));
}
TEST(DeclPrinter, TestMemberFunctionInNamespace_FullyQualifiedName) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"namespace Z { struct X { void A(); }; }",
"A",
"void Z::X::A()",
[](PrintingPolicy &Policy){ Policy.FullyQualifiedName = true; }));
}
TEST(DeclPrinter, TestMemberFunctionOutside_FullyQualifiedName) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct X { void A(); };"
"void X::A() {}",
functionDecl(hasName("A"), isDefinition()).bind("id"),
"void X::A()",
[](PrintingPolicy &Policy){ Policy.FullyQualifiedName = true; }));
}
TEST(DeclPrinter, TestFunctionDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void A() {}",
"A",
"void A()"));
}
TEST(DeclPrinter, TestFunctionDecl3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void Z();"
"void A() { Z(); }",
"A",
"void A()"));
}
TEST(DeclPrinter, TestFunctionDecl4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"extern void A();",
"A",
"extern void A()"));
}
TEST(DeclPrinter, TestFunctionDecl5) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"static void A();",
"A",
"static void A()"));
}
TEST(DeclPrinter, TestFunctionDecl6) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"inline void A();",
"A",
"inline void A()"));
}
TEST(DeclPrinter, TestFunctionDecl7) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"constexpr int A(int a);",
"A",
"constexpr int A(int a)"));
}
TEST(DeclPrinter, TestFunctionDecl8) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void A(int a);",
"A",
"void A(int a)"));
}
TEST(DeclPrinter, TestFunctionDecl9) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void A(...);",
"A",
"void A(...)"));
}
TEST(DeclPrinter, TestFunctionDecl10) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void A(int a, ...);",
"A",
"void A(int a, ...)"));
}
TEST(DeclPrinter, TestFunctionDecl11) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"typedef long ssize_t;"
"typedef int *pInt;"
"void A(int a, pInt b, ssize_t c);",
"A",
"void A(int a, pInt b, ssize_t c)"));
}
TEST(DeclPrinter, TestFunctionDecl12) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void A(int a, int b = 0);",
"A",
"void A(int a, int b = 0)"));
}
TEST(DeclPrinter, TestFunctionDecl13) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void (*A(int a))(int b);",
"A",
"void (*A(int a))(int)"));
// Should be: with parameter name (?)
}
TEST(DeclPrinter, TestFunctionDecl14) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T>"
"void A(T t) { }"
"template<>"
"void A(int N) { }",
functionDecl(hasName("A"), isExplicitTemplateSpecialization()).bind("id"),
"template<> void A<int>(int N)"));
}
TEST(DeclPrinter, TestCXXConstructorDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" A();"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A()"));
}
TEST(DeclPrinter, TestCXXConstructorDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" A(int a);"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A(int a)"));
}
TEST(DeclPrinter, TestCXXConstructorDecl3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" A(const A &a);"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A(const A &a)"));
}
TEST(DeclPrinter, TestCXXConstructorDecl4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" A(const A &a, int = 0);"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A(const A &a, int = 0)"));
}
TEST(DeclPrinter, TestCXXConstructorDeclWithMemberInitializer) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" int m;"
" A() : m(2) {}"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A()"));
}
TEST(DeclPrinter, TestCXXConstructorDeclWithMemberInitializer_NoTerseOutput) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" int m;"
" A() : m(2) {}"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A() : m(2) {\n}\n",
[](PrintingPolicy &Policy){ Policy.TerseOutput = false; }));
}
TEST(DeclPrinter, TestCXXConstructorDecl5) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct A {"
" A(const A &&a);"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A(const A &&a)"));
}
TEST(DeclPrinter, TestCXXConstructorDecl6) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" explicit A(int a);"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"explicit A(int a)"));
}
TEST(DeclPrinter, TestCXXConstructorDecl7) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct A {"
" constexpr A();"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"constexpr A()"));
}
TEST(DeclPrinter, TestCXXConstructorDecl8) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct A {"
" A() = default;"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A() = default"));
}
TEST(DeclPrinter, TestCXXConstructorDecl9) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct A {"
" A() = delete;"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A() = delete"));
}
TEST(DeclPrinter, TestCXXConstructorDecl10) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<typename... T>"
"struct A {"
" A(const A &a);"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A<T...>(const A<T...> &a)"));
}
TEST(DeclPrinter, TestCXXConstructorDecl11) {
ASSERT_TRUE(PrintedDeclCXX11nonMSCMatches(
"template<typename... T>"
"struct A : public T... {"
" A(T&&... ts) : T(ts)... {}"
"};",
cxxConstructorDecl(ofClass(hasName("A"))).bind("id"),
"A<T...>(T &&...ts)"));
}
TEST(DeclPrinter, TestCXXDestructorDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" ~A();"
"};",
cxxDestructorDecl(ofClass(hasName("A"))).bind("id"),
"~A()"));
}
TEST(DeclPrinter, TestCXXDestructorDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" virtual ~A();"
"};",
cxxDestructorDecl(ofClass(hasName("A"))).bind("id"),
"virtual ~A()"));
}
TEST(DeclPrinter, TestCXXConversionDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" operator int();"
"};",
cxxMethodDecl(ofClass(hasName("A"))).bind("id"),
"operator int()"));
}
TEST(DeclPrinter, TestCXXConversionDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct A {"
" operator bool();"
"};",
cxxMethodDecl(ofClass(hasName("A"))).bind("id"),
"operator bool()"));
}
TEST(DeclPrinter, TestCXXConversionDecl3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {};"
"struct A {"
" operator Z();"
"};",
cxxMethodDecl(ofClass(hasName("A"))).bind("id"),
"operator Z()"));
}
TEST(DeclPrinter, TestCXXMethodDecl_AllocationFunction1) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"namespace std { typedef decltype(sizeof(int)) size_t; }"
"struct Z {"
" void *operator new(std::size_t);"
"};",
cxxMethodDecl(ofClass(hasName("Z"))).bind("id"),
"void *operator new(std::size_t)"));
}
TEST(DeclPrinter, TestCXXMethodDecl_AllocationFunction2) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"namespace std { typedef decltype(sizeof(int)) size_t; }"
"struct Z {"
" void *operator new[](std::size_t);"
"};",
cxxMethodDecl(ofClass(hasName("Z"))).bind("id"),
"void *operator new[](std::size_t)"));
}
TEST(DeclPrinter, TestCXXMethodDecl_AllocationFunction3) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct Z {"
" void operator delete(void *);"
"};",
cxxMethodDecl(ofClass(hasName("Z"))).bind("id"),
"void operator delete(void *) noexcept"));
// Should be: without noexcept?
}
TEST(DeclPrinter, TestCXXMethodDecl_AllocationFunction4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" void operator delete(void *);"
"};",
cxxMethodDecl(ofClass(hasName("Z"))).bind("id"),
"void operator delete(void *)"));
}
TEST(DeclPrinter, TestCXXMethodDecl_AllocationFunction5) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct Z {"
" void operator delete[](void *);"
"};",
cxxMethodDecl(ofClass(hasName("Z"))).bind("id"),
"void operator delete[](void *) noexcept"));
// Should be: without noexcept?
}
TEST(DeclPrinter, TestCXXMethodDecl_Operator1) {
const char *OperatorNames[] = {
"+", "-", "*", "/", "%", "^", "&", "|",
"=", "<", ">", "+=", "-=", "*=", "/=", "%=",
"^=", "&=", "|=", "<<", ">>", ">>=", "<<=", "==", "!=",
"<=", ">=", "&&", "||", ",", "->*",
"()", "[]"
};
for (unsigned i = 0, e = llvm::array_lengthof(OperatorNames); i != e; ++i) {
SmallString<128> Code;
Code.append("struct Z { void operator");
Code.append(OperatorNames[i]);
Code.append("(Z z); };");
SmallString<128> Expected;
Expected.append("void operator");
Expected.append(OperatorNames[i]);
Expected.append("(Z z)");
ASSERT_TRUE(PrintedDeclCXX98Matches(
Code,
cxxMethodDecl(ofClass(hasName("Z"))).bind("id"),
Expected));
}
}
TEST(DeclPrinter, TestCXXMethodDecl_Operator2) {
const char *OperatorNames[] = {
"~", "!", "++", "--", "->"
};
for (unsigned i = 0, e = llvm::array_lengthof(OperatorNames); i != e; ++i) {
SmallString<128> Code;
Code.append("struct Z { void operator");
Code.append(OperatorNames[i]);
Code.append("(); };");
SmallString<128> Expected;
Expected.append("void operator");
Expected.append(OperatorNames[i]);
Expected.append("()");
ASSERT_TRUE(PrintedDeclCXX98Matches(
Code,
cxxMethodDecl(ofClass(hasName("Z"))).bind("id"),
Expected));
}
}
TEST(DeclPrinter, TestCXXMethodDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" void A(int a);"
"};",
"A",
"void A(int a)"));
}
TEST(DeclPrinter, TestCXXMethodDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" virtual void A(int a);"
"};",
"A",
"virtual void A(int a)"));
}
TEST(DeclPrinter, TestCXXMethodDecl3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" virtual void A(int a);"
"};"
"struct ZZ : Z {"
" void A(int a);"
"};",
"ZZ::A",
"void A(int a)"));
// TODO: should we print "virtual"?
}
TEST(DeclPrinter, TestCXXMethodDecl4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" inline void A(int a);"
"};",
"A",
"inline void A(int a)"));
}
TEST(DeclPrinter, TestCXXMethodDecl5) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" virtual void A(int a) = 0;"
"};",
"A",
"virtual void A(int a) = 0"));
}
TEST(DeclPrinter, TestCXXMethodDecl_CVQualifier1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" void A(int a) const;"
"};",
"A",
"void A(int a) const"));
}
TEST(DeclPrinter, TestCXXMethodDecl_CVQualifier2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" void A(int a) volatile;"
"};",
"A",
"void A(int a) volatile"));
}
TEST(DeclPrinter, TestCXXMethodDecl_CVQualifier3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" void A(int a) const volatile;"
"};",
"A",
"void A(int a) const volatile"));
}
TEST(DeclPrinter, TestCXXMethodDecl_RefQualifier1) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct Z {"
" void A(int a) &;"
"};",
"A",
"void A(int a) &"));
}
TEST(DeclPrinter, TestCXXMethodDecl_RefQualifier2) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct Z {"
" void A(int a) &&;"
"};",
"A",
"void A(int a) &&"));
}
TEST(DeclPrinter, TestFunctionDecl_ExceptionSpecification1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" void A(int a) throw();"
"};",
"A",
"void A(int a) throw()"));
}
TEST(DeclPrinter, TestFunctionDecl_ExceptionSpecification2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z {"
" void A(int a) throw(int);"
"};",
"A",
"void A(int a) throw(int)"));
}
TEST(DeclPrinter, TestFunctionDecl_ExceptionSpecification3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"class ZZ {};"
"struct Z {"
" void A(int a) throw(ZZ, int);"
"};",
"A",
"void A(int a) throw(ZZ, int)"));
}
TEST(DeclPrinter, TestFunctionDecl_ExceptionSpecification4) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct Z {"
" void A(int a) noexcept;"
"};",
"A",
"void A(int a) noexcept"));
}
TEST(DeclPrinter, TestFunctionDecl_ExceptionSpecification5) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct Z {"
" void A(int a) noexcept(true);"
"};",
"A",
"void A(int a) noexcept(trueA(int a) noexcept(true)"));
// WRONG; Should be: "void A(int a) noexcept(true);"
}
TEST(DeclPrinter, TestFunctionDecl_ExceptionSpecification6) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"struct Z {"
" void A(int a) noexcept(1 < 2);"
"};",
"A",
"void A(int a) noexcept(1 < 2A(int a) noexcept(1 < 2)"));
// WRONG; Should be: "void A(int a) noexcept(1 < 2);"
}
TEST(DeclPrinter, TestFunctionDecl_ExceptionSpecification7) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<int N>"
"struct Z {"
" void A(int a) noexcept(N < 2);"
"};",
"A",
"void A(int a) noexcept(N < 2A(int a) noexcept(N < 2)"));
// WRONG; Should be: "void A(int a) noexcept(N < 2);"
}
TEST(DeclPrinter, TestVarDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"char *const (*(*A)[5])(int);",
"A",
"char *const (*(*A)[5])(int)"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestVarDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"void (*A)() throw(int);",
"A",
"void (*A)() throw(int)"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestVarDecl3) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"void (*A)() noexcept;",
"A",
"void (*A)() noexcept"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestFieldDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T>"
"struct Z { T A; };",
"A",
"T A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestFieldDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<int N>"
"struct Z { int A[N]; };",
"A",
"int A[N]"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestClassTemplateDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T>"
"struct A { T a; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <typename T> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T = int>"
"struct A { T a; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <typename T = int> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<class T>"
"struct A { T a; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <class T> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T, typename U>"
"struct A { T a; U b; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <typename T, typename U> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl5) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<int N>"
"struct A { int a[N]; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <int N> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl6) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<int N = 42>"
"struct A { int a[N]; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <int N = 42> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl7) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"typedef int MyInt;"
"template<MyInt N>"
"struct A { int a[N]; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <MyInt N> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl8) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<template<typename U> class T> struct A { };",
classTemplateDecl(hasName("A")).bind("id"),
"template <template <typename U> class T> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl9) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T> struct Z { };"
"template<template<typename U> class T = Z> struct A { };",
classTemplateDecl(hasName("A")).bind("id"),
"template <template <typename U> class T> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl10) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<typename... T>"
"struct A { int a; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <typename ...T> struct A {}"));
}
TEST(DeclPrinter, TestClassTemplateDecl11) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<typename... T>"
"struct A : public T... { int a; };",
classTemplateDecl(hasName("A")).bind("id"),
"template <typename ...T> struct A : public T... {}"));
}
TEST(DeclPrinter, TestClassTemplatePartialSpecializationDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T, typename U>"
"struct A { T a; U b; };"
"template<typename T>"
"struct A<T, int> { T a; };",
classTemplateSpecializationDecl().bind("id"),
"template <typename T> struct A<T, int> {}"));
}
TEST(DeclPrinter, TestClassTemplatePartialSpecializationDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T>"
"struct A { T a; };"
"template<typename T>"
"struct A<T *> { T a; };",
classTemplateSpecializationDecl().bind("id"),
"template <typename T> struct A<T *> {}"));
}
TEST(DeclPrinter, TestClassTemplateSpecializationDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T>"
"struct A { T a; };"
"template<>"
"struct A<int> { int a; };",
classTemplateSpecializationDecl().bind("id"),
"template<> struct A<int> {}"));
}
TEST(DeclPrinter, TestFunctionTemplateDecl1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T>"
"void A(T &t);",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename T> void A(T &t)"));
}
TEST(DeclPrinter, TestFunctionTemplateDecl2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T>"
"void A(T &t) { }",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename T> void A(T &t)"));
}
TEST(DeclPrinter, TestFunctionTemplateDecl3) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<typename... T>"
"void A(T... a);",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename ...T> void A(T ...a)"));
}
TEST(DeclPrinter, TestFunctionTemplateDecl4) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z { template<typename T> void A(T t); };",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename T> void A(T t)"));
}
TEST(DeclPrinter, TestFunctionTemplateDecl5) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"struct Z { template<typename T> void A(T t) {} };",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename T> void A(T t)"));
}
TEST(DeclPrinter, TestFunctionTemplateDecl6) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T >struct Z {"
" template<typename U> void A(U t) {}"
"};",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename U> void A(U t)"));
}
TEST(DeclPrinter, TestUnnamedTemplateParameters) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"template <typename, int, template <typename, bool> class> void A();",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename, int, template <typename, bool> class> void A()"));
}
TEST(DeclPrinter, TestUnnamedTemplateParametersPacks) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"template <typename ..., int ...,"
" template <typename ..., bool ...> class ...> void A();",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename ..., int ...,"
" template <typename ..., bool ...> class ...> void A()"));
}
TEST(DeclPrinter, TestNamedTemplateParametersPacks) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"template <typename ...T, int ...I,"
" template <typename ...X, bool ...B> class ...Z> void A();",
functionTemplateDecl(hasName("A")).bind("id"),
"template <typename ...T, int ...I,"
" template <typename ...X, bool ...B> class ...Z> void A()"));
}
TEST(DeclPrinter, TestTemplateTemplateParameterWrittenWithTypename) {
ASSERT_TRUE(PrintedDeclCXX17Matches(
"template <template <typename> typename Z> void A();",
functionTemplateDecl(hasName("A")).bind("id"),
"template <template <typename> class Z> void A()"));
// WRONG: We should use typename if the parameter was written with it.
}
TEST(DeclPrinter, TestTemplateArgumentList1) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T> struct Z {};"
"struct X {};"
"Z<X> A;",
"A",
"Z<X> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList2) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T, typename U> struct Z {};"
"struct X {};"
"typedef int Y;"
"Z<X, Y> A;",
"A",
"Z<X, Y> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList3) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T> struct Z {};"
"template<typename T> struct X {};"
"Z<X<int> > A;",
"A",
"Z<X<int> > A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList4) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<typename T> struct Z {};"
"template<typename T> struct X {};"
"Z<X<int>> A;",
"A",
"Z<X<int>> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList5) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T> struct Z {};"
"template<typename T> struct X { Z<T> A; };",
"A",
"Z<T> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList6) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<template<typename T> class U> struct Z {};"
"template<typename T> struct X {};"
"Z<X> A;",
"A",
"Z<X> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList7) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<template<typename T> class U> struct Z {};"
"template<template<typename T> class U> struct Y {"
" Z<U> A;"
"};",
"A",
"Z<U> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList8) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<typename T> struct Z {};"
"template<template<typename T> class U> struct Y {"
" Z<U<int> > A;"
"};",
"A",
"Z<U<int> > A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList9) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<unsigned I> struct Z {};"
"Z<0> A;",
"A",
"Z<0> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList10) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<unsigned I> struct Z {};"
"template<unsigned I> struct X { Z<I> A; };",
"A",
"Z<I> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList11) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<int I> struct Z {};"
"Z<42 * 10 - 420 / 1> A;",
"A",
"Z<42 * 10 - 420 / 1> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList12) {
ASSERT_TRUE(PrintedDeclCXX98Matches(
"template<const char *p> struct Z {};"
"extern const char X[] = \"aaa\";"
"Z<X> A;",
"A",
"Z<X> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList13) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<typename... T> struct Z {};"
"template<typename... T> struct X {"
" Z<T...> A;"
"};",
"A",
"Z<T...> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList14) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<typename... T> struct Z {};"
"template<typename T> struct Y {};"
"template<typename... T> struct X {"
" Z<Y<T>...> A;"
"};",
"A",
"Z<Y<T>...> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList15) {
ASSERT_TRUE(PrintedDeclCXX11Matches(
"template<unsigned I> struct Z {};"
"template<typename... T> struct X {"
" Z<sizeof...(T)> A;"
"};",
"A",
"Z<sizeof...(T)> A"));
// Should be: with semicolon
}
TEST(DeclPrinter, TestTemplateArgumentList16) {
llvm::StringLiteral Code = "template<typename T1, int NT1, typename T2 = "
"bool, int NT2 = 5> struct Z {};";
ASSERT_TRUE(PrintedDeclCXX11Matches(Code, "T1", "typename T1"));
ASSERT_TRUE(PrintedDeclCXX11Matches(Code, "T2", "typename T2 = bool"));
ASSERT_TRUE(PrintedDeclCXX11Matches(Code, "NT1", "int NT1"));
ASSERT_TRUE(PrintedDeclCXX11Matches(Code, "NT2", "int NT2 = 5"));
}
TEST(DeclPrinter, TestStaticAssert1) {
ASSERT_TRUE(PrintedDeclCXX17Matches("static_assert(true);",
staticAssertDecl().bind("id"),
"static_assert(true)"));
}
TEST(DeclPrinter, TestObjCMethod1) {
ASSERT_TRUE(PrintedDeclObjCMatches(
"__attribute__((objc_root_class)) @interface X\n"
"- (int)A:(id)anObject inRange:(long)range;\n"
"@end\n"
"@implementation X\n"
"- (int)A:(id)anObject inRange:(long)range { int printThis; return 0; }\n"
"@end\n",
namedDecl(hasName("A:inRange:"),
hasDescendant(namedDecl(hasName("printThis")))).bind("id"),
"- (int)A:(id)anObject inRange:(long)range"));
}
TEST(DeclPrinter, TestObjCProtocol1) {
ASSERT_TRUE(PrintedDeclObjCMatches(
"@protocol P1, P2;",
namedDecl(hasName("P1")).bind("id"),
"@protocol P1;\n"));
ASSERT_TRUE(PrintedDeclObjCMatches(
"@protocol P1, P2;",
namedDecl(hasName("P2")).bind("id"),
"@protocol P2;\n"));
}
TEST(DeclPrinter, TestObjCProtocol2) {
ASSERT_TRUE(PrintedDeclObjCMatches(
"@protocol P2 @end"
"@protocol P1<P2> @end",
namedDecl(hasName("P1")).bind("id"),
"@protocol P1<P2>\n@end"));
}
TEST(DeclPrinter, TestObjCCategoryInvalidInterface) {
ASSERT_TRUE(PrintedDeclObjCMatches(
"@interface I (Extension) @end",
namedDecl(hasName("Extension")).bind("id"),
"@interface <<error-type>>(Extension)\n@end", /*AllowError=*/true));
}
TEST(DeclPrinter, TestObjCCategoryImplInvalidInterface) {
ASSERT_TRUE(PrintedDeclObjCMatches(
"@implementation I (Extension) @end",
namedDecl(hasName("Extension")).bind("id"),
"@implementation <<error-type>>(Extension)\n@end", /*AllowError=*/true));
}