debugger: add an autotest for the regexp used for paring 'info break' output

src/plugins/debugger/gdbengine.cpp

@@ -2210,6 +2210,11 @@ void GdbEngine::extractDataFromInfoBreak(const QString &output, BreakpointData *
     // within namespaces.
     // Sometimes the path is relative too.
 
+    // 2    breakpoint     keep y   <MULTIPLE> 0x0040168e
+    // 2.1    y     0x0040168e in MainWindow::MainWindow(QWidget*) at mainwindow.cpp:7
+    // 2.2    y     0x00401792 in MainWindow::MainWindow(QWidget*) at mainwindow.cpp:7
+
+
     QRegExp re("MULTIPLE.*(0x[0-9a-f]+) in (.*)\\s+at (.*):([\\d]+)([^\\d]|$)");
     re.setMinimal(true);
 

tests/auto/debugger/main.cpp

@@ -79,6 +79,9 @@ private slots:
     void mi10() { testMi(test10); }
     void mi11() { testMi(test11); }
     void mi12() { testMi(test12); }
+
+    void infoBreak();
+
     void runQtc();
 
 public slots:
@@ -100,6 +103,41 @@ static QByteArray stripped(QByteArray ba)
     return ba;
 }
 
+
+void tst_Debugger::infoBreak()
+{
+    // This tests the regular expression used in GdbEngine::extractDataFromInfoBreak 
+    // to discover breakpoints in constructors.
+
+    // Copied from gdbengine.cpp:
+
+    QRegExp re("MULTIPLE.*(0x[0-9a-f]+) in (.*)\\s+at (.*):([\\d]+)([^\\d]|$)");
+    re.setMinimal(true);
+
+    QCOMPARE(re.indexIn(
+        "2       breakpoint     keep y   <MULTIPLE> 0x0040168e\n"
+        "2.1                         y     0x0040168e "
+            "in MainWindow::MainWindow(QWidget*) at mainwindow.cpp:7\n"
+        "2.2                         y     0x00401792 "
+            "in MainWindow::MainWindow(QWidget*) at mainwindow.cpp:7\n"), 33);
+    QCOMPARE(re.cap(1), QString("0x0040168e"));
+    QCOMPARE(re.cap(2).trimmed(), QString("MainWindow::MainWindow(QWidget*)"));
+    QCOMPARE(re.cap(3), QString("mainwindow.cpp"));
+    QCOMPARE(re.cap(4), QString("7"));
+
+
+    QCOMPARE(re.indexIn(
+        "Num     Type           Disp Enb Address            What"
+        "4       breakpoint     keep y   <MULTIPLE>         0x00000000004066ad"
+        "4.1                         y     0x00000000004066ad in CTorTester"
+        " at /main/tests/manual/gdbdebugger/simple/app.cpp:124"), 88);
+
+    QCOMPARE(re.cap(1), QString("0x00000000004066ad"));
+    QCOMPARE(re.cap(2).trimmed(), QString("CTorTester"));
+    QCOMPARE(re.cap(3), QString("/main/tests/manual/gdbdebugger/simple/app.cpp"));
+    QCOMPARE(re.cap(4), QString("124"));
+}
+
 void tst_Debugger::readStandardOutput()
 {
     qDebug() << "qtcreator-out: " << stripped(m_proc.readAllStandardOutput());