diff --git a/plugins/clang/tests/test_codecompletion.cpp b/plugins/clang/tests/test_codecompletion.cpp index 3549b21e28..336f5e0065 100644 --- a/plugins/clang/tests/test_codecompletion.cpp +++ b/plugins/clang/tests/test_codecompletion.cpp @@ -1,1246 +1,1262 @@ /* * Copyright 2014 David Stevens * Copyright 2014 Kevin Funk * Copyright 2015 Milian Wolff * Copyright 2015 Sergey Kalinichev * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License or (at your option) version 3 or any later version * accepted by the membership of KDE e.V. (or its successor approved * by the membership of KDE e.V.), which shall act as a proxy * defined in Section 14 of version 3 of the license. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "test_codecompletion.h" #include #include #include #include #include #include "duchain/parsesession.h" #include "util/clangtypes.h" #include #include #include #include #include "codecompletion/completionhelper.h" #include "codecompletion/context.h" #include "codecompletion/includepathcompletioncontext.h" #include "../clangsettings/clangsettingsmanager.h" #include #include #include #include QTEST_MAIN(TestCodeCompletion); static const auto NoMacroOrBuiltin = ClangCodeCompletionContext::ContextFilters( ClangCodeCompletionContext::NoBuiltins | ClangCodeCompletionContext::NoMacros); using namespace KDevelop; using ClangCodeCompletionItemTester = CodeCompletionItemTester; struct CompletionItems { CompletionItems(){} CompletionItems(const KTextEditor::Cursor& position, const QStringList& completions, const QStringList& declarationItems = {}) : position(position) , completions(completions) , declarationItems(declarationItems) {}; KTextEditor::Cursor position; QStringList completions; QStringList declarationItems; ///< completion items that have associated declarations. Declarations with higher match quality at the top. @sa KTextEditor::CodeCompletionModel::MatchQuality }; Q_DECLARE_TYPEINFO(CompletionItems, Q_MOVABLE_TYPE); Q_DECLARE_METATYPE(CompletionItems); struct CompletionPriorityItem { CompletionPriorityItem(const QString& name, int matchQuality = 0, int inheritanceDepth = 0, const QString& failMessage = {}) : name(name) , failMessage(failMessage) , matchQuality(matchQuality) , inheritanceDepth(inheritanceDepth) {} QString name; QString failMessage; int matchQuality; int inheritanceDepth; }; struct CompletionPriorityItems : public CompletionItems { CompletionPriorityItems(){} CompletionPriorityItems(const KTextEditor::Cursor& position, const QList& completions) : CompletionItems(position, {}) , completions(completions) {}; QList completions; }; Q_DECLARE_TYPEINFO(CompletionPriorityItems, Q_MOVABLE_TYPE); Q_DECLARE_METATYPE(CompletionPriorityItems); namespace { struct NoopTestFunction { void operator()(const ClangCodeCompletionItemTester& /*tester*/) const { } }; +QString textForDocument(const QUrl& url, const KTextEditor::Cursor& position) +{ + bool close = false; + + auto* doc = ICore::self()->documentController()->documentForUrl(url); + if (!doc) { + doc = ICore::self()->documentController()->openDocument(url); + close = true; + } + + auto text = doc->textDocument()->text({{0, 0}, position}); + + if (close) { + doc->close(IDocument::Discard); + } + + return text; +} + +QExplicitlySharedDataPointer createContext(const ReferencedTopDUContext& top, + const ParseSessionData::Ptr& sessionData, + const KTextEditor::Cursor position, + const QString& code = {}) +{ + const auto url = top->url().toUrl(); + const auto text = code.isEmpty() ? textForDocument(url, position) : code; + return QExplicitlySharedDataPointer{ + new ClangCodeCompletionContext(DUContextPointer(top), sessionData, url, position, text)}; +} + template void executeCompletionTest(const ReferencedTopDUContext& top, const CompletionItems& expectedCompletionItems, const ClangCodeCompletionContext::ContextFilters& filters = NoMacroOrBuiltin, CustomTestFunction customTestFunction = {}) { DUChainReadLocker lock; const ParseSessionData::Ptr sessionData(dynamic_cast(top->ast().data())); QVERIFY(sessionData); lock.unlock(); - QString text; - if (auto doc = ICore::self()->documentController()->documentForUrl(top->url().toUrl())) { - text = doc->textDocument()->text({{0, 0}, expectedCompletionItems.position}); - } // TODO: We should not need to pass 'session' to the context, should just use the base class ctor - auto context = new ClangCodeCompletionContext(DUContextPointer(top), sessionData, top->url().toUrl(), expectedCompletionItems.position, text); + auto context = createContext(top, sessionData, expectedCompletionItems.position); context->setFilters(filters); lock.lock(); - auto tester = ClangCodeCompletionItemTester(QExplicitlySharedDataPointer(context)); + auto tester = ClangCodeCompletionItemTester(context); int previousMatchQuality = 10; for(const auto& declarationName : expectedCompletionItems.declarationItems){ const auto declarationItem = tester.findItem(declarationName); QVERIFY(declarationItem); QVERIFY(declarationItem->declaration()); auto matchQuality = tester.itemData(declarationItem, KTextEditor::CodeCompletionModel::Name, KTextEditor::CodeCompletionModel::MatchQuality).toInt(); QVERIFY(matchQuality <= previousMatchQuality); previousMatchQuality = matchQuality; } tester.names.sort(); QEXPECT_FAIL("look-ahead function primary type argument", "No API in LibClang to determine expected code completion type", Continue); QEXPECT_FAIL("look-ahead template parameter substitution", "No parameters substitution so far", Continue); #if CINDEX_VERSION_MINOR < 30 QEXPECT_FAIL("look-ahead auto item", "Auto type, like many other types, is not exposed through LibClang. We assign DelayedType to it instead of IdentifiedType", Continue); #endif if (QTest::currentTestFunction() == QByteArrayLiteral("testImplementAfterEdit") && expectedCompletionItems.position.line() == 3) { QEXPECT_FAIL("", "TU is not properly updated after edit", Continue); } if (tester.names.size() != expectedCompletionItems.completions.size()) { qDebug() << "different results:\nactual:" << tester.names << "\nexpected:" << expectedCompletionItems.completions; } QCOMPARE(tester.names, expectedCompletionItems.completions); customTestFunction(tester); } template void executeCompletionTest(const QString& code, const CompletionItems& expectedCompletionItems, const ClangCodeCompletionContext::ContextFilters& filters = NoMacroOrBuiltin, CustomTestFunction customTestFunction = {}) { TestFile file(code, QStringLiteral("cpp")); QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); executeCompletionTest(file.topContext(), expectedCompletionItems, filters, customTestFunction); } void executeCompletionPriorityTest(const QString& code, const CompletionPriorityItems& expectedCompletionItems, const ClangCodeCompletionContext::ContextFilters& filters = NoMacroOrBuiltin) { TestFile file(code, QStringLiteral("cpp")); QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); DUChainReadLocker lock; auto top = file.topContext(); QVERIFY(top); const ParseSessionData::Ptr sessionData(dynamic_cast(top->ast().data())); QVERIFY(sessionData); - DUContextPointer topPtr(top); - // don't hold DUChain lock when constructing ClangCodeCompletionContext lock.unlock(); - auto context = new ClangCodeCompletionContext(topPtr, sessionData, file.url().toUrl(), expectedCompletionItems.position, QString()); + auto context = createContext(top, sessionData, expectedCompletionItems.position); context->setFilters(filters); lock.lock(); - auto tester = ClangCodeCompletionItemTester(QExplicitlySharedDataPointer(context)); + auto tester = ClangCodeCompletionItemTester(context); for(const auto& declaration : expectedCompletionItems.completions){ const auto declarationItem = tester.findItem(declaration.name); QVERIFY(declarationItem); QVERIFY(declarationItem->declaration()); auto matchQuality = tester.itemData(declarationItem, KTextEditor::CodeCompletionModel::Name, KTextEditor::CodeCompletionModel::MatchQuality).toInt(); auto inheritanceDepth = declarationItem->inheritanceDepth(); if(!declaration.failMessage.isEmpty()){ QEXPECT_FAIL("", declaration.failMessage.toUtf8().constData(), Continue); } QVERIFY(matchQuality == declaration.matchQuality && inheritanceDepth == declaration.inheritanceDepth); } } void executeMemberAccessReplacerTest(const QString& code, const CompletionItems& expectedCompletionItems, const ClangCodeCompletionContext::ContextFilters& filters = NoMacroOrBuiltin) { TestFile file(code, QStringLiteral("cpp")); auto document = ICore::self()->documentController()->openDocument(file.url().toUrl()); QVERIFY(document); ICore::self()->documentController()->activateDocument(document); auto view = ICore::self()->documentController()->activeTextDocumentView(); Q_ASSERT(view); view->setCursorPosition(expectedCompletionItems.position); QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); DUChainReadLocker lock; auto top = file.topContext(); QVERIFY(top); const ParseSessionData::Ptr sessionData(dynamic_cast(top->ast().data())); QVERIFY(sessionData); - DUContextPointer topPtr(top); - lock.unlock(); - QExplicitlySharedDataPointer context( - new ClangCodeCompletionContext(topPtr, sessionData, file.url().toUrl(), - expectedCompletionItems.position, code)); + auto context = createContext(top, sessionData, expectedCompletionItems.position, code); QApplication::processEvents(); document->close(KDevelop::IDocument::Silent); // The previous ClangCodeCompletionContext call should replace member access. // That triggers an update request in the duchain which we are not interested in, // so let's stop that request. ICore::self()->languageController()->backgroundParser()->removeDocument(file.url()); - context = new ClangCodeCompletionContext(topPtr, sessionData, file.url().toUrl(), - expectedCompletionItems.position, QString()); + context = createContext(top, sessionData, expectedCompletionItems.position); context->setFilters(filters); lock.lock(); auto tester = ClangCodeCompletionItemTester(context); tester.names.sort(); QCOMPARE(tester.names, expectedCompletionItems.completions); } using IncludeTester = CodeCompletionItemTester; QExplicitlySharedDataPointer executeIncludePathCompletion(TestFile* file, const KTextEditor::Cursor& position) { if (!file->parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)) { QTest::qFail("Failed to parse source file.", __FILE__, __LINE__); return {}; } DUChainReadLocker lock; auto top = file->topContext(); if (!top) { QTest::qFail("Failed to parse source file.", __FILE__, __LINE__); return {}; } const ParseSessionData::Ptr sessionData(dynamic_cast(top->ast().data())); if (!sessionData) { QTest::qFail("Failed to acquire parse session data.", __FILE__, __LINE__); return {}; } DUContextPointer topPtr(top); lock.unlock(); auto text = file->fileContents(); int textLength = -1; if (position.isValid()) { textLength = 0; for (int i = 0; i < position.line(); ++i) { textLength = text.indexOf('\n', textLength) + 1; } textLength += position.column(); } auto context = new IncludePathCompletionContext(topPtr, sessionData, file->url().toUrl(), position, text.mid(0, textLength)); return QExplicitlySharedDataPointer{context}; } } void TestCodeCompletion::testClangCodeCompletion() { QFETCH(QString, code); QFETCH(CompletionItems, expectedItems); executeCompletionTest(code, expectedItems); } void TestCodeCompletion::testClangCodeCompletion_data() { QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::newRow("assignment") << "int foo = 5; \nint bar = " << CompletionItems{{1,9}, { "bar", "foo", }, {"bar","foo"}}; QTest::newRow("dotmemberaccess") << "class Foo { public: void foo() {} bool operator=(Foo &&) }; int main() { Foo f; \nf. " << CompletionItems{{1, 2}, { "foo", "operator=" }, {"foo", "operator="}}; QTest::newRow("arrowmemberaccess") << "class Foo { public: void foo() {} }; int main() { Foo* f = new Foo; \nf-> }" << CompletionItems{{1, 3}, { "foo" }, {"foo"}}; QTest::newRow("enum-case") << "enum Foo { foo, bar }; int main() { Foo f; switch (f) {\ncase " << CompletionItems{{1,4}, { "bar", "foo", }, {"foo", "bar"}}; QTest::newRow("only-private") << "class SomeStruct { private: void priv() {} };\n" "int main() { SomeStruct s;\ns. " << CompletionItems{{2, 2}, { }}; QTest::newRow("private-friend") << "class SomeStruct { private: void priv() {} friend int main(); };\n" "int main() { SomeStruct s;\ns. " << CompletionItems{{2, 2}, { "priv", }, {"priv"}}; QTest::newRow("private-public") << "class SomeStruct { public: void pub() {} private: void priv() {} };\n" "int main() { SomeStruct s;\ns. " << CompletionItems{{2, 2}, { "pub", }, {"pub"}}; QTest::newRow("protected-public") << "class SomeStruct { public: void pub() {} protected: void prot() {} };\n" "int main() { SomeStruct s;\ns. " << CompletionItems{{2, 2}, { "pub", }, {"pub"}}; QTest::newRow("localVariable") << "int main() { int localVariable;\nloc " << CompletionItems{{1, 3}, {"localVariable","main"}, {"localVariable", "main"} }; QTest::newRow("globalVariable") << "int globalVariable;\nint main() { \ngl " << CompletionItems{{2, 2}, {"globalVariable","main"}, {"globalVariable", "main"} }; QTest::newRow("namespaceVariable") << "namespace NameSpace{int variable};\nint main() { \nNameSpace:: " << CompletionItems{{2, 11}, {"variable"}, {"variable"} }; QTest::newRow("parentVariable") << "class A{public: int m_variable;};class B : public A{};\nint main() { B b;\nb. " << CompletionItems{{2, 2}, {"m_variable"}, {"m_variable"} }; QTest::newRow("itemsPriority") << "class A; class B; void f(A); int main(){ A c; B b;f(\n} " << CompletionItems{{1, 0}, {"A", "B", "b", "c", "f", #if CINDEX_VERSION_MINOR >= 30 "f", #endif "main"}, {"c", "A", "b", "B"} }; QTest::newRow("function-arguments") << "class Abc; int f(Abc){\n " << CompletionItems{{1, 0}, { "Abc", "f", }}; QTest::newRow("look-ahead int") << "struct LookAhead { int intItem;}; int main() {LookAhead* pInstance; LookAhead instance; int i =\n }" << CompletionItems{{1, 0}, { "LookAhead", "i", "instance", "instance.intItem", "main", "pInstance", "pInstance->intItem", }}; QTest::newRow("look-ahead class") << "class Class{}; struct LookAhead {Class classItem;}; int main() {LookAhead* pInstance; LookAhead instance; Class cl =\n }" << CompletionItems{{1, 0}, { "Class", "LookAhead", "cl", "instance", "instance.classItem", "main", "pInstance", "pInstance->classItem", }}; QTest::newRow("look-ahead function argument") << "class Class{}; struct LookAhead {Class classItem;}; void function(Class cl);" "int main() {LookAhead* pInstance; LookAhead instance; function(\n }" << CompletionItems{{1, 0}, { "Class", "LookAhead", "function", #if CINDEX_VERSION_MINOR >= 30 "function", #endif "instance", "instance.classItem", "main", "pInstance", "pInstance->classItem", }}; QTest::newRow("look-ahead function primary type argument") << "struct LookAhead {double doubleItem;}; void function(double double);" "int main() {LookAhead* pInstance; LookAhead instance; function(\n }" << CompletionItems{{1, 0}, { "LookAhead", "function", "instance", "instance.doubleItem", "main", "pInstance", "pInstance->doubleItem", }}; QTest::newRow("look-ahead typedef") << "typedef double DOUBLE; struct LookAhead {DOUBLE doubleItem;};" "int main() {LookAhead* pInstance; LookAhead instance; double i =\n " << CompletionItems{{1, 0}, { "DOUBLE", "LookAhead", "i", "instance", "instance.doubleItem", "main", "pInstance", "pInstance->doubleItem", }}; QTest::newRow("look-ahead pointer") << "struct LookAhead {int* pInt;};" "int main() {LookAhead* pInstance; LookAhead instance; int* i =\n " << CompletionItems{{1, 0}, { "LookAhead", "i", "instance", "instance.pInt", "main", "pInstance", "pInstance->pInt", }}; QTest::newRow("look-ahead template") << "template struct LookAhead {int intItem;};" "int main() {LookAhead* pInstance; LookAhead instance; int i =\n " << CompletionItems{{1, 0}, { "LookAhead", "i", "instance", "instance.intItem", "main", "pInstance", "pInstance->intItem", }}; QTest::newRow("look-ahead template parameter substitution") << "template struct LookAhead {T itemT;};" "int main() {LookAhead* pInstance; LookAhead instance; int i =\n " << CompletionItems{{1, 0}, { "LookAhead", "i", "instance", "instance.itemT", "main", "pInstance", "pInstance->itemT", }}; QTest::newRow("look-ahead item access") << "class Class { public: int publicInt; protected: int protectedInt; private: int privateInt;};" "int main() {Class cl; int i =\n " << CompletionItems{{1, 0}, { "Class", "cl", "cl.publicInt", "i", "main", }}; QTest::newRow("look-ahead auto item") << "struct LookAhead { int intItem; };" "int main() {auto instance = LookAhead(); int i = \n " << CompletionItems{{1, 0}, { "LookAhead", "i", "instance", "instance.intItem", "main" }}; QTest::newRow("variadic template recursive class") << R"( template struct my_class : Head, my_class { using base = Head; };)" << CompletionItems{{3, 17}, { "Head", "Tail", "my_class" }}; } void TestCodeCompletion::testReplaceMemberAccess() { QFETCH(QString, code); QFETCH(CompletionItems, expectedItems); executeMemberAccessReplacerTest(code, expectedItems); } void TestCodeCompletion::testReplaceMemberAccess_data() { QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::newRow("replace arrow to dot") << "struct Struct { void function(); };" "int main() { Struct s; \ns-> " << CompletionItems{{1, 3}, { "function" }}; QTest::newRow("replace dot to arrow") << "struct Struct { void function(); };" "int main() { Struct* s; \ns. " << CompletionItems{{1, 3}, { "function" }}; QTest::newRow("no replacement needed") << "int main() { double a = \n0. " << CompletionItems{{1, 2}, { }}; } void TestCodeCompletion::testVirtualOverride() { QFETCH(QString, code); QFETCH(CompletionItems, expectedItems); executeCompletionTest(code, expectedItems, ClangCodeCompletionContext::NoClangCompletion); } void TestCodeCompletion::testVirtualOverride_data() { QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::newRow("basic") << "class Foo { virtual void foo(); virtual void foo(char c); virtual char foo(char c, int i, double d); };\n" "class Bar : Foo \n{void foo(char c) override;\n}" << CompletionItems{{3, 1}, {"foo()", "foo(char c, int i, double d)"}}; QTest::newRow("template") << "template class Foo { virtual T2 foo(T1 a, T2 b, int i); virtual T2 overridden(T1 a); } ;\n" "class Bar : Foo \n{double overridden(char a) override;\n}" << CompletionItems{{3, 1}, {"foo(char a, double b, int i)"}}; QTest::newRow("nested-template") << "template class Foo { virtual T2 foo(T1 a, T2 b, int i); virtual T2 overridden(T1 a, T2 b, int i); } ;\n" "template class Baz { };\n" "class Bar : Foo> \n{Baz overridden(char a, Baz b, int i) override;\n}" << CompletionItems{{4, 1}, {"foo(char a, Baz b, int i)"}}; QTest::newRow("multi") << "class Foo { virtual int foo(int i); virtual int overridden(int i); };\n" "class Baz { virtual char baz(char c); };\n" "class Bar : Foo, Baz \n{int overridden(int i) override;\n}" << CompletionItems{{4, 1}, {"baz(char c)", "foo(int i)"}}; QTest::newRow("deep") << "class Foo { virtual int foo(int i); virtual int overridden(int i); };\n" "class Baz : Foo { };\n" "class Bar : Baz \n{int overridden(int i) override;\n}" << CompletionItems{{4, 1}, {"foo(int i)"}}; QTest::newRow("repeated") << "class Foo { virtual int foo(int i); virtual int overridden(int i); };\n" "class Baz : Foo { int foo(int i) override; };\n" "class Bar : Baz \n{int overridden(int i) override;\n}" << CompletionItems{{4, 1}, {"foo(int i)"}}; QTest::newRow("pure") << "class Foo { virtual void foo() = 0; virtual void overridden() = 0;};\n" "class Bar : Foo \n{void overridden() override;\n};" << CompletionItems{{3, 0}, {"foo() = 0"}}; QTest::newRow("repeated-pure") << "class Foo { virtual void foo() = 0; virtual void overridden() = 0; };\n" "class Baz : Foo { void foo() override; };\n" "class Bar : Baz \n{void overridden() override;\n}" << CompletionItems{{4, 1}, {"foo()"}}; QTest::newRow("const") << "class Foo { virtual void foo(const int b) const; virtual void overridden(const int b) const; }\n;" "class Bar : Foo \n{void overridden(const int b) const override;\n}" << CompletionItems{{3, 1}, {"foo(const int b) const"}}; QTest::newRow("dont-override") << R"(class A { virtual void something() = 0; }; class B : public A { public: void foo(); }; void B::foo() {} )" << CompletionItems{{8, 14}, {}}; } void TestCodeCompletion::testImplement() { QFETCH(QString, code); QFETCH(CompletionItems, expectedItems); executeCompletionTest(code, expectedItems, ClangCodeCompletionContext::NoClangCompletion); } void TestCodeCompletion::testImplement_data() { QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::newRow("basic") << "int foo(char c, int i); \n" << CompletionItems{{1, 0}, {"foo(char c, int i)"}}; QTest::newRow("class") << "class Foo { \n" "int bar(char c, int i); \n\n" "}; \n" << CompletionItems{{2, 0}, {}}; QTest::newRow("class2") << "class Foo { \n" "int bar(char c, int i); \n\n" "}; \n" << CompletionItems{{4, 0}, {"Foo::bar(char c, int i)"}}; QTest::newRow("namespace") << "namespace Foo { \n" "int bar(char c, int i); \n\n" "}; \n" << CompletionItems{{2, 0}, {"bar(char c, int i)"}}; QTest::newRow("anonymous-namespace") << R"( namespace { int bar(char c, int i); }; )" << CompletionItems{{3, 0}, {"bar(char c, int i)"}}; QTest::newRow("anonymous-namespace2") << R"( namespace { int bar(char c, int i); }; )" << CompletionItems{{4, 0}, {}}; QTest::newRow("namespace2") << "namespace Foo { \n" "int bar(char c, int i); \n\n" "}; \n" << CompletionItems{{4, 0}, {"Foo::bar(char c, int i)"}}; QTest::newRow("two-namespace") << "namespace Foo { int bar(char c, int i); };\n" "namespace Foo {\n" "};\n" << CompletionItems{{2, 0}, {"bar(char c, int i)"}}; QTest::newRow("destructor") << "class Foo { ~Foo(); }\n" << CompletionItems{{1, 0}, {"Foo::~Foo()"}}; QTest::newRow("constructor") << "class Foo { \n" "Foo(int i); \n" "}; \n" << CompletionItems{{3, 1}, {"Foo::Foo(int i)"}}; QTest::newRow("template") << "template class Foo { T bar(T t); };\n" << CompletionItems{{1, 1}, {"Foo::bar(T t)"}}; QTest::newRow("specialized-template") << "template class Foo { \n" "T bar(T t); \n" "}; \n" "template T Foo::bar(T t){} \n" "template<> class Foo { \n" "int bar(int t); \n" "}\n" << CompletionItems{{6, 1}, {"Foo::bar(int t)"}}; QTest::newRow("nested-class") << "class Foo { \n" "class Bar { \n" "int baz(char c, int i); \n\n" "}; \n\n" "}; \n\n" << CompletionItems {{3, 1}, {}}; QTest::newRow("nested-class2") << "class Foo { \n" "class Bar { \n" "int baz(char c, int i); \n\n" "}; \n\n" "}; \n\n" << CompletionItems {{5, 1}, {}}; QTest::newRow("nested-class3") << "class Foo { \n" "class Bar { \n" "int baz(char c, int i); \n\n" "}; \n\n" "}; \n\n" << CompletionItems {{7, 1}, {"Foo::Bar::baz(char c, int i)"}}; QTest::newRow("nested-namespace") << "namespace Foo { \n" "namespace Bar { \n" "int baz(char c, int i); \n\n" "}; \n\n" "}; \n\n" << CompletionItems {{3, 1}, {"baz(char c, int i)"}}; QTest::newRow("nested-namespace2") << "namespace Foo { \n" "namespace Bar { \n" "int baz(char c, int i); \n\n" "}; \n\n" "}; \n\n" << CompletionItems {{5, 1}, {"Bar::baz(char c, int i)"}}; QTest::newRow("nested-namespace3") << "namespace Foo { \n" "namespace Bar { \n" "int baz(char c, int i); \n\n" "}; \n\n" "}; \n\n" << CompletionItems {{7, 1}, {"Foo::Bar::baz(char c, int i)"}}; QTest::newRow("partial-template") << "template class Foo { \n" "template class Bar;\n" "template class Bar { void baz(T t, U u); }\n" "}\n" << CompletionItems{{5,1}, {"Foo::Bar::baz(T t, U u)"}}; QTest::newRow("variadic") << "int foo(...); int bar(int i, ...); \n" << CompletionItems{{1, 1}, {"bar(int i, ...)", "foo(...)"}}; QTest::newRow("const") << "class Foo { int bar() const; };" << CompletionItems{{3, 1}, {"Foo::bar() const"}}; QTest::newRow("multiple-methods") << "class Foo { int bar(); void foo(); char asdf() const; };" << CompletionItems{{1, 1}, {"Foo::asdf() const", "Foo::bar()", "Foo::foo()"}}; // explicitly deleted/defaulted functions should not appear in the implements completion QTest::newRow("deleted-copy-ctor") << "struct S { S(); S(const S&) = /*some comment*/ delete; };" << CompletionItems{{1,1}, {"S::S()"}}; QTest::newRow("deleted-overload-member") << "struct Foo {\n" " int x();\n" " int x(int) =delete;\n" "};\n" << CompletionItems{{5,1}, {"Foo::x()"}}; QTest::newRow("deleted-overload-global") << "int x();\n" "int x(int)= delete;\n" << CompletionItems{{2,1}, {"x()"}}; QTest::newRow("defaulted-copy-ctor") << "struct S { S(); S(const S&) = default; };" << CompletionItems{{1,1}, {"S::S()"}}; QTest::newRow("defaulted-dtor") << "struct Foo {\n" " Foo();\n" " ~Foo() =default;\n" "};\n" << CompletionItems{{5,1}, {"Foo::Foo()"}}; QTest::newRow("bug355163") << R"( #include namespace test { template struct IsSafeConversion : public std::is_same::type> { }; } // namespace test )" << CompletionItems{{7,0}, {}}; QTest::newRow("bug355954") << R"( struct Hello { struct Private; }; struct Hello::Private { void test(); }; )" << CompletionItems{{8,0}, {"Hello::Private::test()"}}; QTest::newRow("lineOfNextFunction") << "void foo();\nvoid bar() {}" << CompletionItems{{1,0}, {"foo()"}}; QTest::newRow("pure") << R"( struct Hello { virtual void foo() = 0; virtual void bar(); }; )" << CompletionItems{{5, 0}, {"Hello::bar()"}}; } void TestCodeCompletion::testImplementOtherFile() { TestFile header1(QStringLiteral("void foo();"), QStringLiteral("h")); QVERIFY(header1.parseAndWait()); TestFile header2(QStringLiteral("void bar();"), QStringLiteral("h")); QVERIFY(header2.parseAndWait()); TestFile impl(QString("#include \"%1\"\n" "#include \"%2\"\n" "void asdf();\n\n") .arg(header1.url().str()) .arg(header2.url().str()), QStringLiteral("cpp"), &header1); CompletionItems expectedItems{{3,1}, {"asdf()", "foo()"}}; QVERIFY(impl.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); executeCompletionTest(impl.topContext(), expectedItems); } void TestCodeCompletion::testImplementAfterEdit() { TestFile header1(QStringLiteral("void foo();"), QStringLiteral("h")); QVERIFY(header1.parseAndWait()); TestFile impl(QString("#include \"%1\"\n" "void asdf() {}\nvoid bar() {}") .arg(header1.url().str()), QStringLiteral("cpp"), &header1); auto document = ICore::self()->documentController()->openDocument(impl.url().toUrl()); QVERIFY(impl.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); CompletionItems expectedItems{{2,0}, {"foo()"}}; executeCompletionTest(impl.topContext(), expectedItems); document->textDocument()->insertText(expectedItems.position, QStringLiteral("\n")); expectedItems.position.setLine(3); executeCompletionTest(impl.topContext(), expectedItems); document->close(IDocument::Discard); } void TestCodeCompletion::testInvalidCompletions() { QFETCH(QString, code); QFETCH(CompletionItems, expectedItems); executeCompletionTest(code, expectedItems); } void TestCodeCompletion::testInvalidCompletions_data() { QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::newRow("invalid-context-incomment") << "class Foo { int bar() const; };\n/*\n*/" << CompletionItems{{2, 0}, {}}; } void TestCodeCompletion::testIncludePathCompletion_data() { QTest::addColumn("code"); QTest::addColumn("cursor"); QTest::addColumn("itemId"); QTest::addColumn("result"); QTest::newRow("global-1") << QStringLiteral("#include ") << KTextEditor::Cursor(0, 9) << QStringLiteral("iostream") << QStringLiteral("#include "); QTest::newRow("global-2") << QStringLiteral("#include <") << KTextEditor::Cursor(0, 9) << QStringLiteral("iostream") << QStringLiteral("#include "); QTest::newRow("global-3") << QStringLiteral("#include <") << KTextEditor::Cursor(0, 10) << QStringLiteral("iostream") << QStringLiteral("#include "); QTest::newRow("global-4") << QStringLiteral("# include <") << KTextEditor::Cursor(0, 12) << QStringLiteral("iostream") << QStringLiteral("# include "); QTest::newRow("global-5") << QStringLiteral("# include <") << KTextEditor::Cursor(0, 14) << QStringLiteral("iostream") << QStringLiteral("# include "); QTest::newRow("global-6") << QStringLiteral("# include <> /* 1 */") << KTextEditor::Cursor(0, 14) << QStringLiteral("iostream") << QStringLiteral("# include /* 1 */"); QTest::newRow("global-7") << QStringLiteral("# include /* 1 */ <> /* 1 */") << KTextEditor::Cursor(0, 21) << QStringLiteral("iostream") << QStringLiteral("# include /* 1 */ /* 1 */"); QTest::newRow("global-8") << QStringLiteral("# /* 1 */ include /* 1 */ <> /* 1 */") << KTextEditor::Cursor(0, 28) << QStringLiteral("iostream") << QStringLiteral("# /* 1 */ include /* 1 */ /* 1 */"); QTest::newRow("global-9") << QStringLiteral("#include ") << KTextEditor::Cursor(0, 10) << QStringLiteral("iostream") << QStringLiteral("#include "); QTest::newRow("global-10") << QStringLiteral("#include ") << KTextEditor::Cursor(0, 14) << QStringLiteral("cstdint") << QStringLiteral("#include "); QTest::newRow("global-11") << QStringLiteral("#include ") << KTextEditor::Cursor(0, 17) << QStringLiteral("cstdint") << QStringLiteral("#include "); QTest::newRow("local-0") << QStringLiteral("#include \"") << KTextEditor::Cursor(0, 10) << QStringLiteral("foo/") << QStringLiteral("#include \"foo/\""); QTest::newRow("local-1") << QStringLiteral("#include \"foo/\"") << KTextEditor::Cursor(0, 14) << QStringLiteral("bar/") << QStringLiteral("#include \"foo/bar/\""); QTest::newRow("local-2") << QStringLiteral("#include \"foo/") << KTextEditor::Cursor(0, 14) << QStringLiteral("bar/") << QStringLiteral("#include \"foo/bar/\""); QTest::newRow("local-3") << QStringLiteral("# /* 1 */ include /* 1 */ \"\" /* 1 */") << KTextEditor::Cursor(0, 28) << QStringLiteral("foo/") << QStringLiteral("# /* 1 */ include /* 1 */ \"foo/\" /* 1 */"); QTest::newRow("local-4") << QStringLiteral("# /* 1 */ include /* 1 */ \"foo/\" /* 1 */") << KTextEditor::Cursor(0, 31) << QStringLiteral("bar/") << QStringLiteral("# /* 1 */ include /* 1 */ \"foo/bar/\" /* 1 */"); QTest::newRow("local-5") << QStringLiteral("#include \"foo/\"") << KTextEditor::Cursor(0, 10) << QStringLiteral("foo/") << QStringLiteral("#include \"foo/\""); QTest::newRow("local-6") << QStringLiteral("#include \"foo/asdf\"") << KTextEditor::Cursor(0, 10) << QStringLiteral("foo/") << QStringLiteral("#include \"foo/\""); QTest::newRow("local-7") << QStringLiteral("#include \"foo/asdf\"") << KTextEditor::Cursor(0, 14) << QStringLiteral("bar/") << QStringLiteral("#include \"foo/bar/\""); QTest::newRow("dash-1") << QStringLiteral("#include \"") << KTextEditor::Cursor(0, 10) << QStringLiteral("dash-file.h") << QStringLiteral("#include \"dash-file.h\""); QTest::newRow("dash-2") << QStringLiteral("#include \"dash-") << KTextEditor::Cursor(0, 15) << QStringLiteral("dash-file.h") << QStringLiteral("#include \"dash-file.h\""); QTest::newRow("dash-4") << QStringLiteral("#include \"dash-file.h\"") << KTextEditor::Cursor(0, 13) << QStringLiteral("dash-file.h") << QStringLiteral("#include \"dash-file.h\""); QTest::newRow("dash-5") << QStringLiteral("#include \"dash-file.h\"") << KTextEditor::Cursor(0, 14) << QStringLiteral("dash-file.h") << QStringLiteral("#include \"dash-file.h\""); QTest::newRow("dash-6") << QStringLiteral("#include \"dash-file.h\"") << KTextEditor::Cursor(0, 15) << QStringLiteral("dash-file.h") << QStringLiteral("#include \"dash-file.h\""); } void TestCodeCompletion::testIncludePathCompletion() { QFETCH(QString, code); QFETCH(KTextEditor::Cursor, cursor); QFETCH(QString, itemId); QFETCH(QString, result); QTemporaryDir tempDir; QDir dir(tempDir.path()); QVERIFY(dir.mkpath("foo/bar/asdf")); TestFile file(code, QStringLiteral("cpp"), nullptr, tempDir.path()); { QFile otherFile(tempDir.path() + "/dash-file.h"); QVERIFY(otherFile.open(QIODevice::WriteOnly)); } IncludeTester tester(executeIncludePathCompletion(&file, cursor)); QVERIFY(tester.completionContext); QVERIFY(tester.completionContext->isValid()); auto item = tester.findItem(itemId); QVERIFY(item); auto view = createView(file.url().toUrl(), this); QVERIFY(view.get()); auto doc = view->document(); item->execute(view.get(), KTextEditor::Range(cursor, cursor)); QCOMPARE(doc->text(), result); const auto newCursor = view->cursorPosition(); QCOMPARE(newCursor.line(), cursor.line()); if (!itemId.endsWith('/')) { // file inserted, cursor should be at end of line QCOMPARE(newCursor.column(), doc->lineLength(cursor.line())); } else { // directory inserted, cursor should be before the " or > const auto cursorChar = doc->characterAt(newCursor); QVERIFY(cursorChar == '"' || cursorChar == '>'); } } void TestCodeCompletion::testIncludePathCompletionLocal() { TestFile header(QStringLiteral("int foo() { return 42; }\n"), QStringLiteral("h")); TestFile impl(QStringLiteral("#include \""), QStringLiteral("cpp"), &header); IncludeTester tester(executeIncludePathCompletion(&impl, {0, 10})); QVERIFY(tester.names.contains(header.url().toUrl().fileName())); QVERIFY(tester.names.contains("iostream")); } void TestCodeCompletion::testOverloadedFunctions() { TestFile file(QStringLiteral("void f(); int f(int); void f(int, double){\n "), QStringLiteral("cpp")); QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); DUChainReadLocker lock; auto top = file.topContext(); QVERIFY(top); const ParseSessionData::Ptr sessionData(dynamic_cast(top->ast().data())); QVERIFY(sessionData); - DUContextPointer topPtr(top); lock.unlock(); - const auto context = new ClangCodeCompletionContext(topPtr, sessionData, file.url().toUrl(), {1, 0}, QString()); + const auto context = createContext(top, sessionData, {1, 0}); context->setFilters(NoMacroOrBuiltin); lock.lock(); - const auto tester = ClangCodeCompletionItemTester(QExplicitlySharedDataPointer(context)); + const auto tester = ClangCodeCompletionItemTester(context); QCOMPARE(tester.items.size(), 3); for (const auto& item : tester.items) { auto function = item->declaration()->type(); const QString display = item->declaration()->identifier().toString() + function->partToString(FunctionType::SignatureArguments); const QString itemDisplay = tester.itemData(item).toString() + tester.itemData(item, KTextEditor:: CodeCompletionModel::Arguments).toString(); QCOMPARE(display, itemDisplay); } QVERIFY(tester.items[0]->declaration().data() != tester.items[1]->declaration().data()); QVERIFY(tester.items[0]->declaration().data() != tester.items[2]->declaration().data()); QVERIFY(tester.items[1]->declaration().data() != tester.items[2]->declaration().data()); } void TestCodeCompletion::testCompletionPriority() { QFETCH(QString, code); QFETCH(CompletionPriorityItems, expectedItems); executeCompletionPriorityTest(code, expectedItems); } void TestCodeCompletion::testCompletionPriority_data() { QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::newRow("pointer") << "class A{}; class B{}; class C : public B{}; int main(){A* a; B* b; C* c; b =\n " << CompletionPriorityItems{{1,0}, {{"a", 0, 21}, {"b", 9, 0}, {"c", 8, 0, QStringLiteral("Pointer to derived class is not added to the Best Matches group")}}}; QTest::newRow("class") << "class A{}; class B{}; class C : public B{}; int main(){A a; B b; C c; b =\n " << CompletionPriorityItems{{1,0}, {{"a", 0, 21}, {"b", 9, 0}, {"c", 8, 0, QStringLiteral("Derived class is not added to the Best Matches group")}}}; QTest::newRow("primary-types") << "class A{}; int main(){A a; int b; bool c = \n " << CompletionPriorityItems{{1,0}, {{"a", 0, 34}, {"b", 8, 0}, {"c", 9, 0}}}; QTest::newRow("reference") << "class A{}; class B{}; class C : public B{};" "int main(){A tmp; A& a = tmp; C tmp2; C& c = tmp2; B& b =\n ;}" << CompletionPriorityItems{{1,0}, {{"a", 0, 21}, {"b", 9, 0}, {"c", 8, 0, QStringLiteral("Reference to derived class is not added to the Best Matches group")}}}; QTest::newRow("typedef") << "struct A{}; struct B{}; typedef A AA; typedef B BB; void f(A p);" "int main(){ BB b; AA a; f(\n }" << CompletionPriorityItems{{1,0}, {{"a", 9, 0}, {"b", 0, 21}}}; QTest::newRow("returnType") << "struct A{}; struct B{}; struct Test{A f();B g(); Test() { A a =\n }};" << CompletionPriorityItems{{1,0}, {{"f", 9, 0}, {"g", 0, 21}}}; QTest::newRow("template") << "template class Class{}; template class Class2{};" "int main(){ Class a; Class2 b =\n }" << CompletionPriorityItems{{1,0}, {{"b", 9, 0}, {"a", 0, 21}}}; QTest::newRow("protected-access") << "class Base { protected: int m_protected; };" "class Derived: public Base {public: void g(){\n }};" << CompletionPriorityItems{{1,0}, {{"m_protected", 0, 37}}}; QTest::newRow("protected-access2") << "class Base { protected: int m_protected; };" "class Derived: public Base {public: void f();};" "void Derived::f(){\n }" << CompletionPriorityItems{{1,0}, {{"m_protected", 0, 37}}}; } void TestCodeCompletion::testVariableScope() { TestFile file(QStringLiteral("int var; \nvoid test(int var) {int tmp =\n }"), QStringLiteral("cpp")); QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); DUChainReadLocker lock; auto top = file.topContext(); QVERIFY(top); const ParseSessionData::Ptr sessionData(dynamic_cast(top->ast().data())); QVERIFY(sessionData); - DUContextPointer topPtr(top); lock.unlock(); - const auto context = new ClangCodeCompletionContext(topPtr, sessionData, file.url().toUrl(), {2, 0}, QString()); + const auto context = createContext(top, sessionData, {2, 0}); context->setFilters(NoMacroOrBuiltin); lock.lock(); - const auto tester = ClangCodeCompletionItemTester(QExplicitlySharedDataPointer(context)); + const auto tester = ClangCodeCompletionItemTester(context); QCOMPARE(tester.items.size(), 4); auto item = tester.findItem(QStringLiteral("var")); VERIFY(item); QCOMPARE(item->declaration()->range().start, CursorInRevision(1, 14)); } void TestCodeCompletion::testArgumentHintCompletion() { QFETCH(QString, code); QFETCH(CompletionItems, expectedItems); executeCompletionTest(code, expectedItems); } void TestCodeCompletion::testArgumentHintCompletion_data() { #if CINDEX_VERSION_MINOR < 30 QSKIP("You need at least LibClang 3.7"); #endif QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::newRow("global function") << "void foo(int);\n" "int main() { \nfoo( " << CompletionItems{{2,4}, { "foo", "foo", "main" }}; QTest::newRow("member function") << "struct Struct{ void foo(int);}\n" "int main() {Struct s; \ns.foo( " << CompletionItems{{2,6}, { "Struct", "foo", "main", "s" }}; QTest::newRow("template function") << "template void foo(T);\n" "int main() { \nfoo( " << CompletionItems{{2,6}, { "foo", "foo", "main" }}; QTest::newRow("overloaded functions") << "void foo(int); void foo(int, double)\n" "int main() { \nfoo( " << CompletionItems{{2,6}, { "foo", "foo", "foo", "foo", "main" }}; QTest::newRow("overloaded functions2") << "void foo(int); void foo(int, double)\n" "int main() { foo(1,\n " << CompletionItems{{2,1}, { "foo", "foo", "foo", "main" }}; } void TestCodeCompletion::testArgumentHintCompletionDefaultParameters() { #if CINDEX_VERSION_MINOR < 30 QSKIP("You need at least LibClang 3.7"); #endif TestFile file(QStringLiteral("void f(int i, int j = 0, double k =1){\nf( "), QStringLiteral("cpp")); QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); DUChainReadLocker lock; auto top = file.topContext(); QVERIFY(top); const ParseSessionData::Ptr sessionData(dynamic_cast(top->ast().data())); QVERIFY(sessionData); - DUContextPointer topPtr(top); lock.unlock(); - const auto context = new ClangCodeCompletionContext(topPtr, sessionData, file.url().toUrl(), {1, 2}, QString()); + const auto context = createContext(top, sessionData, {1, 2}); context->setFilters(NoMacroOrBuiltin); lock.lock(); - const auto tester = ClangCodeCompletionItemTester(QExplicitlySharedDataPointer(context)); + const auto tester = ClangCodeCompletionItemTester(context); QExplicitlySharedDataPointer f; for (const auto& item : tester.items) { if (item->argumentHintDepth() == 1) { f = item; break; } } QVERIFY(f.data()); const QString itemDisplay = tester.itemData(f).toString() + tester.itemData(f, KTextEditor:: CodeCompletionModel::Arguments).toString(); QCOMPARE(QStringLiteral("f(int i, int j, double k)"), itemDisplay); } void TestCodeCompletion::testCompleteFunction() { QFETCH(QString, code); QFETCH(CompletionItems, expectedItems); QFETCH(QString, itemToExecute); QFETCH(QString, expectedCode); auto executeItem = [=] (const ClangCodeCompletionItemTester& tester) { auto item = tester.findItem(itemToExecute); QVERIFY(item); auto view = createView(tester.completionContext->duContext()->url().toUrl(), this); item->execute(view.get(), view->document()->wordRangeAt(expectedItems.position)); QCOMPARE(view->document()->text(), expectedCode); }; executeCompletionTest(code, expectedItems, NoMacroOrBuiltin, executeItem); } void TestCodeCompletion::testCompleteFunction_data() { QTest::addColumn("code"); QTest::addColumn("expectedItems"); QTest::addColumn("itemToExecute"); QTest::addColumn("expectedCode"); QTest::newRow("add-parens") << "int foo();\nint main() {\n\n}" << CompletionItems({2, 0}, {"foo", "main"}) << "foo" << "int foo();\nint main() {\nfoo()\n}"; QTest::newRow("keep-parens") << "int foo();\nint main() {\nfoo();\n}" << CompletionItems({2, 0}, {"foo", "main"}) << "main" << "int foo();\nint main() {\nmain();\n}"; } void TestCodeCompletion::testIgnoreGccBuiltins() { // TODO: make it easier to change the compiler provider for testing purposes QTemporaryDir dir; auto project = new TestProject(Path(dir.path()), this); auto definesAndIncludesConfig = project->projectConfiguration()->group("CustomDefinesAndIncludes"); auto pathConfig = definesAndIncludesConfig.group("ProjectPath0"); pathConfig.writeEntry("Path", "."); pathConfig.group("Compiler").writeEntry("Name", "GCC"); m_projectController->addProject(project); { TestFile file(QLatin1String(""), QStringLiteral("cpp"), project, dir.path()); QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsUsesAndAST)); executeCompletionTest(file.topContext(), {}); } }