forked from qt-creator/qt-creator
844 lines
23 KiB
C++
844 lines
23 KiB
C++
#include <QtTest>
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#include <QObject>
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#include <QList>
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#include <QTextDocument>
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#include <QTextBlock>
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#include <cpptools/cppcodeformatter.h>
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using namespace CppTools;
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class tst_CodeFormatter: public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void ifStatementWithoutBraces1();
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void ifStatementWithoutBraces2();
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void ifStatementWithBraces1();
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void ifStatementWithBraces2();
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void ifStatementMixed();
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void ifStatementAndComments();
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void ifStatementLongCondition();
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void strayElse();
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void macrosNoSemicolon();
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void oneLineIf();
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void doWhile();
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void closingCurlies();
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void ifdefedInsideIf();
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void ifdefs();
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void preprocessorContinuation();
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void cStyleComments();
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void cppStyleComments();
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void expressionContinuation();
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void classAccess();
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void ternary();
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void objcAtDeclarations();
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void braceList();
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void bug1();
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void bug2();
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void switch1();
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void memberInitializer();
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void templates();
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void operatorOverloads();
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void gnuStyle();
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void whitesmithsStyle();
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void singleLineEnum();
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void functionReturnType();
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void streamOp();
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void blockStmtInIf();
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};
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struct Line {
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Line(QString l)
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: line(l)
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{
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for (int i = 0; i < l.size(); ++i) {
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if (!l.at(i).isSpace()) {
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expectedIndent = i;
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return;
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}
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}
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expectedIndent = l.size();
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}
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Line(QString l, int expect)
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: line(l), expectedIndent(expect)
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{}
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QString line;
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int expectedIndent;
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};
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QString concatLines(QList<Line> lines)
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{
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QString result;
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foreach (const Line &l, lines) {
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result += l.line;
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result += "\n";
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}
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return result;
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}
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void checkIndent(QList<Line> data, int style = 0)
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{
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QString text = concatLines(data);
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QTextDocument document(text);
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QtStyleCodeFormatter formatter;
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if (style == 1) {// gnu
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formatter.setIndentSubstatementBraces(true);
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} else if (style == 2) { // whitesmiths
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formatter.setIndentSubstatementStatements(false);
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formatter.setIndentSubstatementBraces(true);
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formatter.setIndentDeclarationMembers(false);
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formatter.setIndentDeclarationBraces(true);
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}
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int i = 0;
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foreach (const Line &l, data) {
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QTextBlock b = document.findBlockByLineNumber(i);
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if (l.expectedIndent != -1) {
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int actualIndent = formatter.indentFor(b);
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if (actualIndent != l.expectedIndent) {
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QFAIL(QString("Wrong indent in line %1 with text '%2', expected indent %3, got %4").arg(
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QString::number(i+1), l.line, QString::number(l.expectedIndent), QString::number(actualIndent)).toLatin1().constData());
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}
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}
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formatter.updateLineStateChange(b);
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++i;
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}
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}
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void tst_CodeFormatter::ifStatementWithoutBraces1()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" if (a)")
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<< Line(" if (b)")
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<< Line(" foo;")
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<< Line(" else if (c)")
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<< Line(" foo;")
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<< Line(" else")
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<< Line(" if (d)")
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<< Line(" foo;")
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<< Line(" else")
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<< Line(" while (e)")
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<< Line(" bar;")
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<< Line(" else")
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<< Line(" foo;")
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<< Line("}")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::ifStatementWithoutBraces2()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" if (a)")
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<< Line(" if (b)")
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<< Line(" foo;")
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<< Line(" if (a) b();")
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<< Line(" if (a) b(); else")
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<< Line(" foo;")
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<< Line(" if (a)")
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<< Line(" if (b)")
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<< Line(" foo;")
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<< Line(" else if (c)")
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<< Line(" foo;")
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<< Line(" else")
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<< Line(" if (d)")
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<< Line(" foo;")
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<< Line(" else")
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<< Line(" while (e)")
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<< Line(" bar;")
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<< Line(" else")
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<< Line(" foo;")
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<< Line("}")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::ifStatementWithBraces1()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" if (a) {")
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<< Line(" if (b) {")
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<< Line(" foo;")
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<< Line(" } else if (c) {")
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<< Line(" foo;")
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<< Line(" } else {")
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<< Line(" if (d) {")
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<< Line(" foo;")
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<< Line(" } else {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line(" }")
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<< Line(" } else {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line("}");
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checkIndent(data);
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}
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void tst_CodeFormatter::ifStatementWithBraces2()
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{
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QList<Line> data;
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data << Line("void foo()")
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<< Line("{")
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<< Line(" if (a)")
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<< Line(" {")
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<< Line(" if (b)")
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<< Line(" {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line(" else if (c)")
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<< Line(" {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line(" else")
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<< Line(" {")
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<< Line(" if (d)")
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<< Line(" {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line(" else")
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<< Line(" {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line(" }")
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<< Line(" }")
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<< Line(" else")
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<< Line(" {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line("}");
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checkIndent(data);
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}
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void tst_CodeFormatter::ifStatementMixed()
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{
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QList<Line> data;
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data << Line("void foo()")
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<< Line("{")
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<< Line(" if (foo)")
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<< Line(" if (bar)")
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<< Line(" {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line(" else")
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<< Line(" if (car)")
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<< Line(" {}")
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<< Line(" else doo;")
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<< Line(" else abc;")
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<< Line("}");
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checkIndent(data);
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}
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void tst_CodeFormatter::ifStatementAndComments()
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{
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QList<Line> data;
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data << Line("void foo()")
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<< Line("{")
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<< Line(" if (foo)")
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<< Line(" ; // bla")
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<< Line(" else if (bar)")
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<< Line(" ;")
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<< Line(" if (foo)")
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<< Line(" ; /* bla")
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<< Line(" bla */")
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<< Line(" else if (bar)")
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<< Line(" // foobar")
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<< Line(" ;")
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<< Line(" else if (bar)")
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<< Line(" /* bla")
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<< Line(" bla */")
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<< Line(" ;")
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<< Line("}");
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checkIndent(data);
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}
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void tst_CodeFormatter::ifStatementLongCondition()
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{
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QList<Line> data;
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data << Line("void foo()")
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<< Line("{")
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<< Line(" if (foo &&")
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<< Line(" bar")
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<< Line(" || (a + b > 4")
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<< Line(" && foo(bar)")
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<< Line(" )")
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<< Line(" ) {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line("}");
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checkIndent(data);
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}
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void tst_CodeFormatter::strayElse()
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{
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QList<Line> data;
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data << Line("void foo()")
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<< Line("{")
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<< Line(" while( true ) {}")
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<< Line(" else", -1)
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<< Line(" else {", -1)
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<< Line(" }", -1)
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<< Line("}");
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checkIndent(data);
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}
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void tst_CodeFormatter::macrosNoSemicolon()
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{
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QList<Line> data;
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data << Line("QT_DECLARE_METATYPE(foo)")
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<< Line("int i;")
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<< Line("Q_BLABLA")
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<< Line("int i;")
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<< Line("Q_BLABLA;")
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<< Line("int i;")
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<< Line("Q_BLABLA();")
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<< Line("int i;")
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<< Line("QML_DECLARE_TYPE(a, b, c, d)")
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<< Line("int i;")
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<< Line("Q_PROPERTY(abc)")
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<< Line("QDOC_PROPERTY(abc)")
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<< Line("void foo() {")
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<< Line(" QT_DECLARE_METATYPE(foo)")
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<< Line(" int i;")
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<< Line(" Q_BLABLA")
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<< Line(" int i;")
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<< Line(" Q_BLABLA;")
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<< Line(" int i;")
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<< Line(" Q_BLABLA();")
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<< Line(" Q_PROPERTY(abc)")
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<< Line(" QDOC_PROPERTY(abc)")
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<< Line(" int i;")
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<< Line("}")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::oneLineIf()
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{
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QList<Line> data;
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data << Line("class F {")
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<< Line(" void foo()")
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<< Line(" { if (showIt) show(); }")
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<< Line("};")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::doWhile()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" do { if (c) foo; } while(a);")
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<< Line(" do {")
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<< Line(" if(a);")
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<< Line(" } while(a);")
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<< Line(" do")
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<< Line(" foo;")
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<< Line(" while(a);")
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<< Line(" do foo; while(a);")
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<< Line("};")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::closingCurlies()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" if (a)")
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<< Line(" if (b) {")
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<< Line(" foo;")
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<< Line(" }")
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<< Line(" {")
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<< Line(" foo();")
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<< Line(" }")
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<< Line(" foo();")
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<< Line(" {")
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<< Line(" foo();")
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<< Line(" }")
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<< Line(" while (a) {")
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<< Line(" if (a);")
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<< Line(" }")
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<< Line("};")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::ifdefedInsideIf()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" if (a) {")
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<< Line("#ifndef Q_WS_WINCE")
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<< Line(" if (b) {")
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<< Line("#else")
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<< Line(" if (c) {")
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<< Line("#endif")
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<< Line(" }")
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<< Line(" } else if (d) {")
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<< Line(" }")
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<< Line(" if (a)")
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<< Line(" ;")
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<< Line(" else if (type == Qt::Dialog || type == Qt::Sheet)")
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<< Line("#ifndef Q_WS_WINCE")
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<< Line(" flags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowContextHelpButtonHint | Qt::WindowCloseButtonHint;")
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<< Line("#else")
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<< Line(" bar;")
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<< Line("#endif")
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<< Line("};")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::ifdefs()
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{
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QList<Line> data;
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data << Line("#ifdef FOO")
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<< Line("#include <bar>")
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<< Line("void foo()")
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<< Line("{")
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<< Line(" if (bar)")
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<< Line("#if 1")
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<< Line(" foo;")
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<< Line(" else")
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<< Line("#endif")
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<< Line(" foo;")
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<< Line("}")
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<< Line("#endif")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::preprocessorContinuation()
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{
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QList<Line> data;
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data << Line("#define x \\")
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<< Line(" foo(x) + \\")
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<< Line(" bar(x)")
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<< Line("int i;")
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<< Line("void foo() {")
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<< Line("#define y y")
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<< Line("#define x \\")
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<< Line(" foo(x) + \\")
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<< Line(" bar(x)")
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<< Line(" int j;")
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<< Line("};")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::cStyleComments()
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{
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QList<Line> data;
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data << Line("/*")
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<< Line(" ")
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<< Line(" foo")
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<< Line(" ")
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<< Line(" foo")
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<< Line(" ")
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<< Line("*/")
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<< Line("void foo() {")
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<< Line(" /*")
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<< Line(" ")
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<< Line(" foo")
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<< Line(" ")
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<< Line(" */")
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<< Line(" /* bar */")
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<< Line("}")
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<< Line("struct s {")
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<< Line(" /* foo */")
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<< Line(" /*")
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<< Line(" ")
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<< Line(" foo")
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<< Line(" ")
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<< Line(" */")
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<< Line(" /* bar */")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::cppStyleComments()
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{
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QList<Line> data;
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data << Line("// abc")
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<< Line("class C { ")
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<< Line(" // ghij")
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<< Line(" // def")
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<< Line(" // ghij")
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<< Line(" int i; // hik")
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<< Line(" // doo")
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<< Line("} // ba")
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<< Line("// ba")
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;
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checkIndent(data);
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}
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void tst_CodeFormatter::expressionContinuation()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" return (a <= b &&")
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<< Line(" c <= d);")
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<< Line(" return (qMax <= qMin() &&")
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<< Line(" qMax(r1.top(), r2.top()) <= qMin(r1.bottom(), r2.bottom()));")
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<< Line(" return a")
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<< Line(" == b && c == d;")
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<< Line(" return a ==")
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<< Line(" b && c == d;")
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<< Line(" return a == b")
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<< Line(" && c == d;")
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<< Line(" return a == b &&")
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<< Line(" c == d;")
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<< Line(" return a == b && c")
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<< Line(" == d;")
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<< Line(" return a == b && c ==")
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<< Line(" d;")
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<< Line(" return a == b && c == d;")
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<< Line(" qDebug() << foo")
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<< Line(" << bar << moose")
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<< Line(" << bar +")
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<< Line(" foo - blah(1)")
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<< Line(" << '?'")
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<< Line(" << \"\\n\";")
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<< Line(" i += foo(")
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<< Line(" bar,")
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<< Line(" 2);")
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<< Line("}")
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;
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checkIndent(data);
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}
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|
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void tst_CodeFormatter::classAccess()
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{
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QList<Line> data;
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data << Line("class foo {")
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<< Line(" int i;")
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<< Line("public:")
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<< Line(" class bar {")
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<< Line(" private:")
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<< Line(" int i;")
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<< Line(" public:")
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<< Line(" private slots:")
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<< Line(" void foo();")
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<< Line(" public Q_SLOTS:")
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<< Line(" Q_SIGNALS:")
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<< Line(" };")
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<< Line(" float f;")
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<< Line("private:")
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<< Line(" void bar(){}")
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<< Line("}")
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;
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checkIndent(data);
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}
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|
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void tst_CodeFormatter::ternary()
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{
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QList<Line> data;
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data << Line("void foo() {")
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<< Line(" int i = a ? b : c;")
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<< Line(" foo += a_bigger_condition ?")
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<< Line(" b")
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<< Line(" : c;")
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<< Line(" int i = a ?")
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<< Line(" b : c;")
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<< Line(" int i = a ? b")
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<< Line(" : c +")
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<< Line(" 2;")
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<< Line(" int i = (a ? b : c) + (foo")
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<< Line(" bar);")
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<< Line("}")
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;
|
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checkIndent(data);
|
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}
|
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|
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void tst_CodeFormatter::bug1()
|
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{
|
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QList<Line> data;
|
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data << Line("void foo() {")
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<< Line(" if (attribute < int(8*sizeof(uint))) {")
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<< Line(" if (on)")
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<< Line(" data->widget_attributes |= (1<<attribute);")
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<< Line(" else")
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<< Line(" data->widget_attributes &= ~(1<<attribute);")
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<< Line(" } else {")
|
|
<< Line(" const int x = attribute - 8*sizeof(uint);")
|
|
<< Line(" }")
|
|
<< Line(" int i;")
|
|
<< Line("}")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::bug2()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("void foo() {")
|
|
<< Line(" const int sourceY = foo(")
|
|
<< Line(" bar(")
|
|
<< Line(" car(a,")
|
|
<< Line(" b),")
|
|
<< Line(" b),")
|
|
<< Line(" foo);")
|
|
<< Line(" const int sourceY =")
|
|
<< Line(" foo(")
|
|
<< Line(" bar(a,")
|
|
<< Line(" b),")
|
|
<< Line(" b);")
|
|
<< Line(" int j;")
|
|
<< Line(" const int sourceY =")
|
|
<< Line(" (direction == DirectionEast || direction == DirectionWest) ?")
|
|
<< Line(" (sourceRect.top() + (sourceRect.bottom() - sourceRect.top()) / 2)")
|
|
<< Line(" : (direction == DirectionSouth ? sourceRect.bottom() : sourceRect.top());")
|
|
<< Line("}")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::braceList()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("enum Foo {")
|
|
<< Line(" a,")
|
|
<< Line(" b,")
|
|
<< Line("};")
|
|
<< Line("enum Foo { a = 2,")
|
|
<< Line(" a = 3,")
|
|
<< Line(" b = 4")
|
|
<< Line(" };")
|
|
<< Line("void foo () {")
|
|
<< Line(" int[] a = { foo, bar, ")
|
|
<< Line(" car };")
|
|
<< Line(" int[] a = {")
|
|
<< Line(" a, b,")
|
|
<< Line(" c")
|
|
<< Line(" };")
|
|
<< Line(" int k;")
|
|
;
|
|
checkIndent(data);
|
|
|
|
}
|
|
|
|
void tst_CodeFormatter::objcAtDeclarations()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("@class Forwarded;")
|
|
<< Line("@protocol Forwarded;")
|
|
<< Line("int i;")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::switch1()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("void foo() {")
|
|
<< Line(" switch (a) {")
|
|
<< Line(" case 1:")
|
|
<< Line(" foo;")
|
|
<< Line(" if (a);")
|
|
<< Line(" case 2:")
|
|
<< Line(" case 3: {")
|
|
<< Line(" foo;")
|
|
<< Line(" }")
|
|
<< Line(" case 4:")
|
|
<< Line(" {")
|
|
<< Line(" foo;")
|
|
<< Line(" }")
|
|
<< Line(" case bar:")
|
|
<< Line(" break;")
|
|
<< Line(" }")
|
|
<< Line(" case 4:")
|
|
<< Line(" {")
|
|
<< Line(" if (a) {")
|
|
<< Line(" }")
|
|
<< Line(" }")
|
|
<< Line("}")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::memberInitializer()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("void foo()")
|
|
<< Line(" : baR()")
|
|
<< Line(" , m_member(23)")
|
|
<< Line("{")
|
|
<< Line("}")
|
|
<< Line("class Foo {")
|
|
<< Line(" Foo()")
|
|
<< Line(" : baR(),")
|
|
<< Line(" moodoo(barR + ")
|
|
<< Line(" 42),")
|
|
<< Line(" xyz()")
|
|
<< Line(" {}")
|
|
<< Line("};")
|
|
<< Line("class Foo {")
|
|
<< Line(" Foo() :")
|
|
<< Line(" baR(),")
|
|
<< Line(" moo(barR)")
|
|
<< Line(" , moo(barR)")
|
|
<< Line(" {}")
|
|
<< Line("}")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::templates()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("template <class T, typename F, int i>")
|
|
<< Line("class Foo {")
|
|
<< Line("private:")
|
|
<< Line("};")
|
|
<< Line("template <class T,")
|
|
<< Line(" typename F, int i")
|
|
<< Line(" >")
|
|
<< Line("class Foo {")
|
|
<< Line("private:")
|
|
<< Line("};")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::operatorOverloads()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("struct S {")
|
|
<< Line(" void operator()() {")
|
|
<< Line(" foo;")
|
|
<< Line(" }")
|
|
<< Line(" void operator<<() {")
|
|
<< Line(" foo;")
|
|
<< Line(" }")
|
|
<< Line("};")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::gnuStyle()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("struct S")
|
|
<< Line("{")
|
|
<< Line(" void foo()")
|
|
<< Line(" {")
|
|
<< Line(" if (a)")
|
|
<< Line(" {")
|
|
<< Line(" fpp;")
|
|
<< Line(" }")
|
|
<< Line(" else if (b)")
|
|
<< Line(" {")
|
|
<< Line(" fpp;")
|
|
<< Line(" }")
|
|
<< Line(" else")
|
|
<< Line(" {")
|
|
<< Line(" }")
|
|
<< Line(" if (b) {")
|
|
<< Line(" fpp;")
|
|
<< Line(" }")
|
|
<< Line(" }")
|
|
<< Line("};")
|
|
;
|
|
checkIndent(data, 1);
|
|
}
|
|
|
|
void tst_CodeFormatter::whitesmithsStyle()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("struct S")
|
|
<< Line(" {")
|
|
<< Line(" void foo()")
|
|
<< Line(" {")
|
|
<< Line(" if (a)")
|
|
<< Line(" {")
|
|
<< Line(" fpp;")
|
|
<< Line(" }")
|
|
<< Line(" if (b) {")
|
|
<< Line(" fpp;")
|
|
<< Line(" }")
|
|
<< Line(" }")
|
|
<< Line(" };")
|
|
;
|
|
checkIndent(data, 2);
|
|
}
|
|
|
|
void tst_CodeFormatter::singleLineEnum()
|
|
{
|
|
QList<Line> data;
|
|
data << Line("enum { foo, bar, car = 2 };")
|
|
<< Line("void blah() {")
|
|
<< Line(" enum { foo, bar, car = 2 };")
|
|
<< Line(" int i;")
|
|
<< Line("}")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::functionReturnType()
|
|
{
|
|
QList<Line> data;
|
|
data
|
|
<< Line("void")
|
|
<< Line("foo(int) {}")
|
|
<< Line("")
|
|
<< Line("const QList<int> &")
|
|
<< Line("A::foo() {}")
|
|
<< Line("")
|
|
<< Line("template <class T>")
|
|
<< Line("const QList<QMap<T, T> > &")
|
|
<< Line("A::B::foo() {}")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::streamOp()
|
|
{
|
|
QList<Line> data;
|
|
data
|
|
<< Line("void foo () {")
|
|
<< Line(" qDebug() << foo")
|
|
<< Line(" << bar << moose")
|
|
<< Line(" << bar +")
|
|
<< Line(" foo - blah(1)")
|
|
<< Line(" << '?'")
|
|
<< Line(" << \"\\n\";")
|
|
<< Line(" qDebug() << foo")
|
|
<< Line(" << bar << moose", 13)
|
|
<< Line(" << bar +")
|
|
<< Line(" foo - blah(1)")
|
|
<< Line(" << '?'")
|
|
<< Line(" << \"\\n\";")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
void tst_CodeFormatter::blockStmtInIf()
|
|
{
|
|
QList<Line> data;
|
|
data
|
|
<< Line("void foo () {")
|
|
<< Line(" if (a) {")
|
|
<< Line(" {")
|
|
<< Line(" foo;")
|
|
<< Line(" }")
|
|
<< Line(" } else {")
|
|
<< Line(" {")
|
|
<< Line(" foo;")
|
|
<< Line(" }")
|
|
;
|
|
checkIndent(data);
|
|
}
|
|
|
|
QTEST_APPLESS_MAIN(tst_CodeFormatter)
|
|
#include "tst_codeformatter.moc"
|
|
|
|
|