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//===--- template_specialization.cc - test input file for iwyu ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Tests that when we instantiate a specialized template, we attribute
// it to the right location.
#include "tests/cxx/template_specialization-d1.h"
#include "tests/cxx/direct.h"
template<typename T> class Foo;
// IWYU: Foo is...*template_specialization-i2.h
Foo<int> foo;
// Even though Foo<int> has a specialization, it doesn't matter
// because forward-declaring is ok.
Foo<int>* foo_ptr;
// Check we do the right thing when we're a template template arg, too.
// IWYU: Foo is...*template_specialization-i1.h
template <template<typename U> class T = Foo> struct TplTplStruct {
// TODO(csilvers): it's probably correct to say we need
// template_specialization-i1.h here, because if someone doesn't
// specify any tpl args when instantiating us, we'll create a
// Foo<int>, so as tpl authors we're responsible for the definition
// of Foo<int>. This is pretty unlikely to happen in practice.
T<int> u;
};
TplTplStruct<> tts;
// TODO(csilvers): This should find the -i2.h location (for Foo<int>),
// not -i1.h (for Foo<T>).
// IWYU: Foo is...*template_specialization-i1.h
TplTplStruct<Foo> tts2;
template<typename T>
struct Specialized;
template<>
// IWYU: IndirectClass is...*indirect.h
struct Specialized<int> : IndirectClass {};
/**** IWYU_SUMMARY
tests/cxx/template_specialization.cc should add these lines:
#include "tests/cxx/indirect.h"
#include "tests/cxx/template_specialization-i1.h"
#include "tests/cxx/template_specialization-i2.h"
tests/cxx/template_specialization.cc should remove these lines:
- #include "tests/cxx/direct.h" // lines XX-XX
- #include "tests/cxx/template_specialization-d1.h" // lines XX-XX
- template <typename T> class Foo; // lines XX-XX
The full include-list for tests/cxx/template_specialization.cc:
#include "tests/cxx/indirect.h" // for IndirectClass
#include "tests/cxx/template_specialization-i1.h" // for Foo
#include "tests/cxx/template_specialization-i2.h" // for Foo
template <typename T> struct Specialized; // lines XX-XX+1
***** IWYU_SUMMARY */
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