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qt-creator/tests/auto/cplusplus/cppselectionchanger/tst_cppselectionchangertest.cpp
Christian Kandeler 284817fae6 Merge CppTools into CppEditor 
There was no proper separation of responsibilities between these
plugins. In particular, CppTools had lots of editor-related
functionality, so it's not clear why it was separated out in the first
place.
In fact, for a lot of code, it seemed quite arbitrary where it was put
(just one example: switchHeaderSource() was in CppTools, wheras
switchDeclarationDefinition() was in CppEditor).
Merging the plugins will enable us to get rid of various convoluted
pseudo-abstractions that were only introduced to keep up the artificial
separation.

Change-Id: Iafc3bce625b4794f6d4aa03df6cddc7f2d26716a
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
2021-09-01 14:53:58 +00:00

1159 lines
37 KiB
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include <cppeditor/cppselectionchanger.h>
#include <cplusplus/CppDocument.h>
#include <cplusplus/PreprocessorClient.h>
#include <cplusplus/PreprocessorEnvironment.h>
#include <cplusplus/TranslationUnit.h>
#include <cplusplus/pp-engine.h>
#include <QtTest>
#include <QTextDocument>
using namespace CPlusPlus;
using namespace CppEditor;
//TESTED_COMPONENT=src/plugins/cppeditor
enum {
debug = false
};
class ChangeResult {
public:
ChangeResult() : m_string(""), m_result(false) {}
ChangeResult(const QString &s) : m_string(s), m_result(true) {}
ChangeResult(const QString &s, bool r) : m_string(s), m_result(r) {}
QString string() const { return m_string; }
bool result() const { return m_result; }
bool operator==(const ChangeResult& rhs) const
{
return string().simplified() == rhs.string().simplified() && result() == rhs.result();
}
private:
QString m_string;
bool m_result;
};
QT_BEGIN_NAMESPACE
namespace QTest {
template<>
char *toString(const ChangeResult &changeResult)
{
QByteArray ba = QString("\n").toUtf8();
ba.append(changeResult.string().trimmed().toUtf8());
ba.append(QString("\nResult: ").toUtf8());
ba.append(changeResult.result() ? '1' : '0');
return qstrdup(ba.data());
}
}
QT_END_NAMESPACE
class tst_CppSelectionChanger : public QObject
{
Q_OBJECT
public:
private Q_SLOTS:
void initTestCase();
void testStructSelection();
void testFunctionDeclaration();
void testTemplatedFunctionDeclaration();
void testNamespace();
void testClassSelection();
void testFunctionDefinition();
void testInstanceDeclaration();
void testIfStatement();
void testForSelection();
void testRangeForSelection();
void testStringLiteral();
void testCharLiteral();
void testFunctionCall();
void testTemplateId();
void testLambda();
void testWholeDocumentSelection();
private:
static QByteArray preprocess(const QByteArray &source, const QString &filename);
QTextCursor getCursorStartPositionForFoundString(const QString &stringToSearchFor);
bool expand(QTextCursor &cursor);
bool shrink(QTextCursor &cursor);
bool verifyCursorBeforeChange(const QTextCursor &cursor);
void doExpand(QTextCursor &cursor, const QString &expectedString);
void doShrink(QTextCursor &cursor, const QString &expectedString);
CppSelectionChanger changer;
QString cppFileString;
QTextDocument textDocument;
Document::Ptr cppDocument;
ChangeResult expected;
ChangeResult computed;
};
#define STRING_COMPARE_SIMPLIFIED(a, b) QVERIFY(a.simplified() == b.simplified());
QTextCursor tst_CppSelectionChanger::getCursorStartPositionForFoundString(
const QString &stringToSearchFor)
{
QTextCursor cursor = textDocument.find(stringToSearchFor);
// Returns only the start position of the selection, not the whole selection.
if (!cursor.isNull())
cursor.setPosition(cursor.anchor());
return cursor;
}
bool tst_CppSelectionChanger::expand(QTextCursor &cursor)
{
changer.startChangeSelection();
bool result =
changer.changeSelection(
CppSelectionChanger::ExpandSelection,
cursor,
cppDocument);
changer.stopChangeSelection();
if (debug)
qDebug() << "After expansion:" << cursor.selectedText();
return result;
}
bool tst_CppSelectionChanger::shrink(QTextCursor &cursor)
{
changer.startChangeSelection();
bool result =
changer.changeSelection(
CppSelectionChanger::ShrinkSelection,
cursor,
cppDocument);
changer.stopChangeSelection();
if (debug)
qDebug() << "After shrinking:" << cursor.selectedText();
return result;
}
bool tst_CppSelectionChanger::verifyCursorBeforeChange(const QTextCursor &cursor)
{
if (cursor.isNull())
return false;
if (debug)
qDebug() << "Before expansion:" << cursor.selectedText();
// Set initial cursor, never forget.
changer.onCursorPositionChanged(cursor);
return true;
}
#define VERIFY_CHANGE() QCOMPARE(computed, expected)
inline void tst_CppSelectionChanger::doExpand(QTextCursor& cursor, const QString& expectedString)
{
bool result = expand(cursor);
computed = ChangeResult(cursor.selectedText(), result);
expected = ChangeResult(expectedString);
}
inline void tst_CppSelectionChanger::doShrink(QTextCursor& cursor, const QString& expectedString)
{
bool result = shrink(cursor);
computed = ChangeResult(cursor.selectedText(), result);
expected = ChangeResult(expectedString);
}
QByteArray tst_CppSelectionChanger::preprocess(const QByteArray &source, const QString &fileName)
{
Client *client = 0; // no client.
Environment env;
Preprocessor preprocess(client, &env);
preprocess.setKeepComments(true);
return preprocess.run(fileName, source);
}
void tst_CppSelectionChanger::initTestCase()
{
// Read cpp file contents into QTextDocument and CppEditor::Document::Ptr.
QString fileName(SRCDIR "/testCppFile.cpp");
QFile file(fileName);
file.open(QIODevice::ReadOnly | QIODevice::Text);
QTextStream s(&file);
cppFileString = s.readAll();
file.close();
textDocument.setPlainText(cppFileString);
// Create the CPP document and preprocess the source, just like how the CppEditor does it.
cppDocument = Document::create(fileName);
const QByteArray preprocessedSource = preprocess(cppFileString.toUtf8(), fileName);
cppDocument->setUtf8Source(preprocessedSource);
cppDocument->parse();
cppDocument->check();
}
void tst_CppSelectionChanger::testStructSelection()
{
bool result;
QTextCursor cursor = getCursorStartPositionForFoundString("int a;");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "int");
VERIFY_CHANGE();
doExpand(cursor, "int a;");
VERIFY_CHANGE();
doExpand(cursor, R"(
int a;
char b;
char x;
char y;
char z;
std::string c;
double d;
std::map<int, int> e;
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
{
int a;
char b;
char x;
char y;
char z;
std::string c;
double d;
std::map<int, int> e;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
struct TestClass {
int a;
char b;
char x;
char y;
char z;
std::string c;
double d;
std::map<int, int> e;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
struct TestClass {
int a;
char b;
char x;
char y;
char z;
std::string c;
double d;
std::map<int, int> e;
};
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
struct TestClass {
int a;
char b;
char x;
char y;
char z;
std::string c;
double d;
std::map<int, int> e;
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
{
int a;
char b;
char x;
char y;
char z;
std::string c;
double d;
std::map<int, int> e;
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
int a;
char b;
char x;
char y;
char z;
std::string c;
double d;
std::map<int, int> e;
)");
VERIFY_CHANGE();
doShrink(cursor, "int a;");
VERIFY_CHANGE();
doShrink(cursor, "int");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Final shrink shouldn't do anything, and return false.
result = shrink(cursor);
STRING_COMPARE_SIMPLIFIED(cursor.selectedText(), QString(""));
QVERIFY(!result);
}
void tst_CppSelectionChanger::testClassSelection()
{
// Start from class keyword.
QTextCursor cursor = getCursorStartPositionForFoundString("class CustomClass");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "class");
VERIFY_CHANGE();
doExpand(cursor, "class CustomClass");
VERIFY_CHANGE();
doExpand(cursor, R"(
class CustomClass {
bool customClassMethod(const int &parameter) const volatile;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "class CustomClass");
VERIFY_CHANGE();
doShrink(cursor, "class");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Start from class name.
cursor = getCursorStartPositionForFoundString("class CustomClass");
cursor.movePosition(QTextCursor::NextWord, QTextCursor::MoveAnchor);
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "CustomClass");
VERIFY_CHANGE();
doExpand(cursor, "class CustomClass");
VERIFY_CHANGE();
doExpand(cursor, R"(
class CustomClass {
bool customClassMethod(const int &parameter) const volatile;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "class CustomClass");
VERIFY_CHANGE();
doShrink(cursor, "CustomClass");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testFunctionDefinition()
{
QTextCursor cursor = getCursorStartPositionForFoundString("const int &parameter");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "const");
VERIFY_CHANGE();
doExpand(cursor, "const int &parameter");
VERIFY_CHANGE();
doExpand(cursor, "(const int &parameter)");
VERIFY_CHANGE();
doExpand(cursor, "customClassMethod(const int &parameter)");
VERIFY_CHANGE();
doExpand(cursor, "customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doExpand(cursor, "bool customClassMethod(const int &parameter) const volatile;");
VERIFY_CHANGE();
doShrink(cursor, "customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doShrink(cursor, "customClassMethod(const int &parameter)");
VERIFY_CHANGE();
doShrink(cursor, "(const int &parameter)");
VERIFY_CHANGE();
doShrink(cursor, "const int &parameter");
VERIFY_CHANGE();
doShrink(cursor, "const");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Test CV qualifiers.
cursor = getCursorStartPositionForFoundString("const volatile");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "const");
VERIFY_CHANGE();
doExpand(cursor, "customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doExpand(cursor, "bool customClassMethod(const int &parameter) const volatile;");
VERIFY_CHANGE();
doShrink(cursor, "customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doShrink(cursor, "const");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Test selection starting from qualified name.
cursor = getCursorStartPositionForFoundString("CustomClass::customClassMethod");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "CustomClass");
VERIFY_CHANGE();
doExpand(cursor, "CustomClass::");
VERIFY_CHANGE();
doExpand(cursor, "CustomClass::customClassMethod");
VERIFY_CHANGE();
doExpand(cursor, "CustomClass::customClassMethod(const int &parameter)");
VERIFY_CHANGE();
doExpand(cursor, "CustomClass::customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doExpand(cursor,
"bool CustomClass::customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doExpand(cursor, R"(
bool CustomClass::customClassMethod(const int &parameter) const volatile {
int secondParameter = parameter;
++secondParameter;
return secondParameter;
}
)");
VERIFY_CHANGE();
doShrink(cursor,
"bool CustomClass::customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doShrink(cursor, "CustomClass::customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doShrink(cursor, "CustomClass::customClassMethod(const int &parameter)");
VERIFY_CHANGE();
doShrink(cursor, "CustomClass::customClassMethod");
VERIFY_CHANGE();
doShrink(cursor, "CustomClass::");
VERIFY_CHANGE();
doShrink(cursor, "CustomClass");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Test selection starting from return value.
cursor = getCursorStartPositionForFoundString("bool CustomClass::customClassMethod");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "bool");
VERIFY_CHANGE();
doExpand(cursor,
"bool CustomClass::customClassMethod(const int &parameter) const volatile");
VERIFY_CHANGE();
doShrink(cursor, "bool");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testInstanceDeclaration()
{
QTextCursor cursor = getCursorStartPositionForFoundString("argc, argv");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "argc");
VERIFY_CHANGE();
doExpand(cursor, "argc, argv");
VERIFY_CHANGE();
doExpand(cursor, "(argc, argv)");
VERIFY_CHANGE();
doExpand(cursor, "secondCustomClass(argc, argv)");
VERIFY_CHANGE();
doExpand(cursor, "SecondCustomClass secondCustomClass(argc, argv);");
VERIFY_CHANGE();
doShrink(cursor, "secondCustomClass(argc, argv)");
VERIFY_CHANGE();
doShrink(cursor, "(argc, argv)");
VERIFY_CHANGE();
doShrink(cursor, "argc, argv");
VERIFY_CHANGE();
doShrink(cursor, "argc");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
cursor = getCursorStartPositionForFoundString("SecondCustomClass secondCustomClass");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "SecondCustomClass");
VERIFY_CHANGE();
doExpand(cursor, "SecondCustomClass secondCustomClass(argc, argv);");
VERIFY_CHANGE();
doShrink(cursor, "SecondCustomClass");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
cursor = getCursorStartPositionForFoundString("secondCustomClass(argc, argv)");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "secondCustomClass");
VERIFY_CHANGE();
doExpand(cursor, "secondCustomClass(argc, argv)");
VERIFY_CHANGE();
doExpand(cursor, "SecondCustomClass secondCustomClass(argc, argv);");
VERIFY_CHANGE();
doShrink(cursor, "secondCustomClass(argc, argv)");
VERIFY_CHANGE();
doShrink(cursor, "secondCustomClass");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testForSelection()
{
QTextCursor cursor = getCursorStartPositionForFoundString("int i = 0");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "int");
VERIFY_CHANGE();
doExpand(cursor, "int i = 0;");
VERIFY_CHANGE();
doExpand(cursor, "int i = 0; i < 3; ++i");
VERIFY_CHANGE();
doExpand(cursor, "(int i = 0; i < 3; ++i)");
VERIFY_CHANGE();
doExpand(cursor, R"(
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "(int i = 0; i < 3; ++i)");
VERIFY_CHANGE();
doShrink(cursor, "int i = 0; i < 3; ++i");
VERIFY_CHANGE();
doShrink(cursor, "int i = 0;");
VERIFY_CHANGE();
doShrink(cursor, "int");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testRangeForSelection()
{
QTextCursor cursor = getCursorStartPositionForFoundString("auto val");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "auto");
VERIFY_CHANGE();
doExpand(cursor, "auto val :v");
VERIFY_CHANGE();
doExpand(cursor, "(auto val :v)");
VERIFY_CHANGE();
doExpand(cursor, R"(
for (auto val :v) {
std::cout << val;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "(auto val :v)");
VERIFY_CHANGE();
doShrink(cursor, "auto val :v");
VERIFY_CHANGE();
doShrink(cursor, "auto");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testStringLiteral()
{
QTextCursor cursor = getCursorStartPositionForFoundString("Hello");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "Hello");
VERIFY_CHANGE();
doExpand(cursor, "\"Hello\"");
VERIFY_CHANGE();
doShrink(cursor, "Hello");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Test raw string literal.
cursor = getCursorStartPositionForFoundString("Raw literal");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, R"(
Raw literal
)");
VERIFY_CHANGE();
doExpand(cursor, "\
R\"(\
Raw literal\
)\"\
");
VERIFY_CHANGE();
doShrink(cursor, R"(
Raw literal
)");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testCharLiteral()
{
QTextCursor cursor = getCursorStartPositionForFoundString("'c'");
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::MoveAnchor, 1);
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "c");
VERIFY_CHANGE();
doExpand(cursor, "'c'");
VERIFY_CHANGE();
doShrink(cursor, "c");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testFunctionCall()
{
QTextCursor cursor = getCursorStartPositionForFoundString("10, 20");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "10");
VERIFY_CHANGE();
doExpand(cursor, "10, 20");
VERIFY_CHANGE();
doExpand(cursor, "(10, 20)");
VERIFY_CHANGE();
doExpand(cursor, "add(10, 20)");
VERIFY_CHANGE();
doExpand(cursor, "2, add(10, 20)");
VERIFY_CHANGE();
doExpand(cursor, "(2, add(10, 20))");
VERIFY_CHANGE();
doExpand(cursor, "add(2, add(10, 20))");
VERIFY_CHANGE();
doExpand(cursor, "1, add(2, add(10, 20))");
VERIFY_CHANGE();
doExpand(cursor, "(1, add(2, add(10, 20)))");
VERIFY_CHANGE();
doExpand(cursor, "add(1, add(2, add(10, 20)))");
VERIFY_CHANGE();
doShrink(cursor, "(1, add(2, add(10, 20)))");
VERIFY_CHANGE();
doShrink(cursor, "1, add(2, add(10, 20))");
VERIFY_CHANGE();
doShrink(cursor, "add(2, add(10, 20))");
VERIFY_CHANGE();
doShrink(cursor, "(2, add(10, 20))");
VERIFY_CHANGE();
doShrink(cursor, "2, add(10, 20)");
VERIFY_CHANGE();
doShrink(cursor, "add(10, 20)");
VERIFY_CHANGE();
doShrink(cursor, "(10, 20)");
VERIFY_CHANGE();
doShrink(cursor, "10, 20");
VERIFY_CHANGE();
doShrink(cursor, "10");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testTemplateId()
{
// Start from map keyword.
QTextCursor cursor = getCursorStartPositionForFoundString("std::map<int,TestClass>");
cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::MoveAnchor, 5);
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "map");
VERIFY_CHANGE();
doExpand(cursor, "map<int,TestClass>");
VERIFY_CHANGE();
doExpand(cursor, "std::map<int,TestClass>");
VERIFY_CHANGE();
doExpand(cursor, "std::map<int,TestClass> a;");
VERIFY_CHANGE();
doShrink(cursor, "std::map<int,TestClass>");
VERIFY_CHANGE();
doShrink(cursor, "map<int,TestClass>");
VERIFY_CHANGE();
doShrink(cursor, "map");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testLambda()
{
QTextCursor cursor = getCursorStartPositionForFoundString("=, &a");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "=, &a");
VERIFY_CHANGE();
doExpand(cursor, "[=, &a]");
VERIFY_CHANGE();
doExpand(cursor, "[=, &a](int lambdaArgument)");
VERIFY_CHANGE();
doExpand(cursor, "[=, &a](int lambdaArgument) -> int");
VERIFY_CHANGE();
doExpand(cursor, R"(
[=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
aLambda = [=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
auto aLambda = [=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
};
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
aLambda = [=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
[=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "[=, &a](int lambdaArgument) -> int");
VERIFY_CHANGE();
doShrink(cursor, "[=, &a](int lambdaArgument)");
VERIFY_CHANGE();
doShrink(cursor, "[=, &a]");
VERIFY_CHANGE();
doShrink(cursor, "=, &a");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Start from inside lambda.
cursor = getCursorStartPositionForFoundString("return lambdaArgument + 1;");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "return lambdaArgument + 1;");
VERIFY_CHANGE();
doExpand(cursor, R"(
{
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
[=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
aLambda = [=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
auto aLambda = [=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
};
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
aLambda = [=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
[=, &a](int lambdaArgument) -> int {
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
{
return lambdaArgument + 1;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "return lambdaArgument + 1;");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testIfStatement()
{
// Inside braces.
QTextCursor cursor = getCursorStartPositionForFoundString("for (int i = 0");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, R"(
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
std::cout << "Hello" << 'c' << 54545 << u8"utf8string" << U"unicodeString";
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
for (auto val :v) {
std::cout << val;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
{
std::cout << "Hello" << 'c' << 54545 << u8"utf8string" << U"unicodeString";
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
for (auto val :v) {
std::cout << val;
}
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
if (5 == 5) {
std::cout << "Hello" << 'c' << 54545 << u8"utf8string" << U"unicodeString";
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
for (auto val :v) {
std::cout << val;
}
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
{
std::cout << "Hello" << 'c' << 54545 << u8"utf8string" << U"unicodeString";
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
for (auto val :v) {
std::cout << val;
}
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
std::cout << "Hello" << 'c' << 54545 << u8"utf8string" << U"unicodeString";
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
for (auto val :v) {
std::cout << val;
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Inside condition paranthesis.
cursor = getCursorStartPositionForFoundString("5 == 5");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "5");
VERIFY_CHANGE();
doExpand(cursor, "5 == 5");
VERIFY_CHANGE();
doExpand(cursor, R"(
if (5 == 5) {
std::cout << "Hello" << 'c' << 54545 << u8"utf8string" << U"unicodeString";
for (int i = 0; i < 3; ++i) {
std::cout << i;
}
for (auto val :v) {
std::cout << val;
}
}
)");
VERIFY_CHANGE();
doShrink(cursor, "5 == 5");
VERIFY_CHANGE();
doShrink(cursor, "5");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testFunctionDeclaration()
{
QTextCursor cursor = getCursorStartPositionForFoundString("int a, int b");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "int");
VERIFY_CHANGE();
doExpand(cursor, "int a");
VERIFY_CHANGE();
doExpand(cursor, "int a, int b");
VERIFY_CHANGE();
doExpand(cursor, "(int a, int b)");
VERIFY_CHANGE();
doExpand(cursor, "add(int a, int b)");
VERIFY_CHANGE();
doExpand(cursor, "int add(int a, int b)");
VERIFY_CHANGE();
doExpand(cursor, R"(
int add(int a, int b) {
return a + b;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "int add(int a, int b)");
VERIFY_CHANGE();
doShrink(cursor, "add(int a, int b)");
VERIFY_CHANGE();
doShrink(cursor, "(int a, int b)");
VERIFY_CHANGE();
doShrink(cursor, "int a, int b");
VERIFY_CHANGE();
doShrink(cursor, "int a");
VERIFY_CHANGE();
doShrink(cursor, "int");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testTemplatedFunctionDeclaration()
{
QTextCursor cursor = getCursorStartPositionForFoundString("T a, T b");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "T");
VERIFY_CHANGE();
doExpand(cursor, "T a");
VERIFY_CHANGE();
doExpand(cursor, "T a, T b");
VERIFY_CHANGE();
doExpand(cursor, "(T a, T b)");
VERIFY_CHANGE();
doExpand(cursor, "subtract(T a, T b)");
VERIFY_CHANGE();
doExpand(cursor, "int subtract(T a, T b)");
VERIFY_CHANGE();
doExpand(cursor, R"(
int subtract(T a, T b) {
return a - b;
}
)");
VERIFY_CHANGE();
doExpand(cursor, R"(
template <class T>
int subtract(T a, T b) {
return a - b;
}
)");
VERIFY_CHANGE();
doShrink(cursor, R"(
int subtract(T a, T b) {
return a - b;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "int subtract(T a, T b)");
VERIFY_CHANGE();
doShrink(cursor, "subtract(T a, T b)");
VERIFY_CHANGE();
doShrink(cursor, "(T a, T b)");
VERIFY_CHANGE();
doShrink(cursor, "T a, T b");
VERIFY_CHANGE();
doShrink(cursor, "T a");
VERIFY_CHANGE();
doShrink(cursor, "T");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Test template selection.
cursor = getCursorStartPositionForFoundString("template <class T>");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "template");
VERIFY_CHANGE();
doExpand(cursor, "template <class T>");
VERIFY_CHANGE();
doExpand(cursor, R"(
template <class T>
int subtract(T a, T b) {
return a - b;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "template <class T>");
VERIFY_CHANGE();
doShrink(cursor, "template");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
// Test template parameter selection.
cursor = getCursorStartPositionForFoundString("class T");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "class T");
VERIFY_CHANGE();
doExpand(cursor, R"(
template <class T>
int subtract(T a, T b) {
return a - b;
}
)");
VERIFY_CHANGE();
doShrink(cursor, "class T");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testNamespace()
{
QTextCursor cursor = getCursorStartPositionForFoundString("namespace");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "namespace");
VERIFY_CHANGE();
doExpand(cursor, "namespace CustomNamespace");
VERIFY_CHANGE();
doExpand(cursor, R"(
namespace CustomNamespace {
extern int insideNamespace;
int foo() {
insideNamespace = 2;
return insideNamespace;
}
}
)");
VERIFY_CHANGE();
doShrink(cursor, "namespace CustomNamespace");
VERIFY_CHANGE();
doShrink(cursor, "namespace");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
cursor = getCursorStartPositionForFoundString("CustomNamespace");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
doExpand(cursor, "CustomNamespace");
VERIFY_CHANGE();
doExpand(cursor, "namespace CustomNamespace");
VERIFY_CHANGE();
doExpand(cursor, R"(
namespace CustomNamespace {
extern int insideNamespace;
int foo() {
insideNamespace = 2;
return insideNamespace;
}
}
)");
VERIFY_CHANGE();
doShrink(cursor, "namespace CustomNamespace");
VERIFY_CHANGE();
doShrink(cursor, "CustomNamespace");
VERIFY_CHANGE();
doShrink(cursor, "");
VERIFY_CHANGE();
}
void tst_CppSelectionChanger::testWholeDocumentSelection()
{
bool result;
QTextCursor cursor = getCursorStartPositionForFoundString("#include <string>");
QCOMPARE(verifyCursorBeforeChange(cursor), true);
// Get whole document contents as a string.
QTextCursor wholeDocumentCursor(cursor);
wholeDocumentCursor.setPosition(0, QTextCursor::MoveAnchor);
wholeDocumentCursor.setPosition(
wholeDocumentCursor.document()->characterCount() - 1, QTextCursor::KeepAnchor);
// Verify if cursor selected whole document.
doExpand(cursor, wholeDocumentCursor.selectedText());
VERIFY_CHANGE();
// Should fail, because whole document was selected.
result = expand(cursor);
STRING_COMPARE_SIMPLIFIED(cursor.selectedText(), wholeDocumentCursor.selectedText());
QVERIFY(!result);
// Shrink to no contents.
doShrink(cursor, "");
VERIFY_CHANGE();
// Last shrink should fail.
result = shrink(cursor);
STRING_COMPARE_SIMPLIFIED(cursor.selectedText(), QString(""));
QVERIFY(!result);
}
QTEST_MAIN(tst_CppSelectionChanger)
#include "tst_cppselectionchangertest.moc"
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