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#include <QtTest>
#include <QObject>
#include <QList>
#include <AST.h>
#include <ASTVisitor.h>
#include <TranslationUnit.h>
#include <CppDocument.h>
#include <FindUsages.h>
#include <Literals.h>
#include <LookupContext.h>
#include <Name.h>
#include <ResolveExpression.h>
#include <Symbols.h>
#include <Overview.h>
//TESTED_COMPONENT=src/libs/cplusplus
using namespace CPlusPlus;
class CollectNames: public ASTVisitor
{
public:
CollectNames(TranslationUnit *xUnit): ASTVisitor(xUnit) {}
QList<NameAST*> operator()(const char *name) {
_name = name;
_exprs.clear();
accept(translationUnit()->ast());
return _exprs;
}
virtual bool preVisit(AST *ast) {
if (NameAST *nameAst = ast->asName())
if (!qstrcmp(_name, nameAst->name->identifier()->chars()))
_exprs.append(nameAst);
return true;
}
private:
QList<NameAST*> _exprs;
const char *_name;
};
class tst_FindUsages: public QObject
{
Q_OBJECT
private Q_SLOTS:
void inlineMethod();
// Qt keywords
void qproperty_1();
// Objective-C
void objc_args();
// void objc_methods();
// void objc_fields();
// void objc_classes();
};
void tst_FindUsages::inlineMethod()
{
const QByteArray src = "\n"
"class Tst {\n"
" int method(int arg) {\n"
" return arg;\n"
" }\n"
"};\n";
Document::Ptr doc = Document::create("inlineMethod");
doc->setSource(src);
doc->parse();
doc->check();
QVERIFY(doc->diagnosticMessages().isEmpty());
QCOMPARE(doc->globalSymbolCount(), 1U);
Snapshot snapshot;
snapshot.insert(doc);
Class *tst = doc->globalSymbolAt(0)->asClass();
QVERIFY(tst);
QCOMPARE(tst->memberCount(), 1U);
Function *method = tst->memberAt(0)->asFunction();
QVERIFY(method);
QCOMPARE(method->argumentCount(), 1U);
Argument *arg = method->argumentAt(0)->asArgument();
QVERIFY(arg);
QCOMPARE(arg->identifier()->chars(), "arg");
FindUsages findUsages(doc, snapshot);
findUsages(arg);
QCOMPARE(findUsages.usages().size(), 2);
QCOMPARE(findUsages.references().size(), 2);
}
#if 0
@interface Clazz {} +(void)method:(int)arg; @end
@implementation Clazz +(void)method:(int)arg {
[Clazz method:arg];
}
@end
#endif
const QByteArray objcSource = "\n"
"@interface Clazz {} +(void)method:(int)arg; @end\n"
"@implementation Clazz +(void)method:(int)arg {\n"
" [Clazz method:arg];\n"
"}\n"
"@end\n";
void tst_FindUsages::objc_args()
{
Document::Ptr doc = Document::create("objc_args");
doc->setSource(objcSource);
doc->parse();
doc->check();
QVERIFY(doc->diagnosticMessages().isEmpty());
QCOMPARE(doc->globalSymbolCount(), 2U);
Snapshot snapshot;
snapshot.insert(doc);
TranslationUnit *xUnit = doc->translationUnit();
QList<NameAST*>exprs = CollectNames(xUnit)("arg");
QCOMPARE(exprs.size(), 3);
ObjCClass *iface = doc->globalSymbolAt(0)->asObjCClass();
QVERIFY(iface);
QVERIFY(iface->isInterface());
QCOMPARE(iface->memberCount(), 1U);
Declaration *methodIface = iface->memberAt(0)->asDeclaration();
QVERIFY(methodIface);
QCOMPARE(methodIface->identifier()->chars(), "method");
QVERIFY(methodIface->type()->isObjCMethodType());
ObjCClass *impl = doc->globalSymbolAt(1)->asObjCClass();
QVERIFY(impl);
QVERIFY(!impl->isInterface());
QCOMPARE(impl->memberCount(), 1U);
ObjCMethod *methodImpl = impl->memberAt(0)->asObjCMethod();
QVERIFY(methodImpl);
QCOMPARE(methodImpl->identifier()->chars(), "method");
QCOMPARE(methodImpl->argumentCount(), 1U);
Argument *arg = methodImpl->argumentAt(0)->asArgument();
QCOMPARE(arg->identifier()->chars(), "arg");
FindUsages findUsages(doc, snapshot);
findUsages(arg);
QCOMPARE(findUsages.usages().size(), 2);
QCOMPARE(findUsages.references().size(), 2);
}
void tst_FindUsages::qproperty_1()
{
const QByteArray src = "\n"
"class Tst: public QObject {\n"
" Q_PROPERTY(int x READ x WRITE setX NOTIFY xChanged)\n"
"public:\n"
" int x() { return _x; }\n"
" void setX(int x) { if (_x != x) { _x = x; emit xChanged(x); } }\n"
"signals:\n"
" void xChanged(int);\n"
"private:\n"
" int _x;\n"
"};\n";
Document::Ptr doc = Document::create("qproperty_1");
doc->setSource(src);
doc->parse();
doc->check();
QVERIFY(doc->diagnosticMessages().isEmpty());
QCOMPARE(doc->globalSymbolCount(), 1U);
Snapshot snapshot;
snapshot.insert(doc);
Class *tst = doc->globalSymbolAt(0)->asClass();
QVERIFY(tst);
QCOMPARE(tst->memberCount(), 4U);
Function *setX_method = tst->memberAt(1)->asFunction();
QVERIFY(setX_method);
QCOMPARE(setX_method->identifier()->chars(), "setX");
QCOMPARE(setX_method->argumentCount(), 1U);
FindUsages findUsages(doc, snapshot);
findUsages(setX_method);
QCOMPARE(findUsages.usages().size(), 2);
QCOMPARE(findUsages.references().size(), 2);
}
QTEST_APPLESS_MAIN(tst_FindUsages)
#include "tst_findusages.moc"
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