ANSI: Add benchmark

To have an eye on the parsers performance for
further features, fixes and refactorings.

Change-Id: I6e8ebbd098c9b1c9952416bbe0472fe095bd5d7d
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

tests/auto/utils/ansiescapecodehandler/tst_ansiescapecodehandler.cpp

@@ -58,6 +58,8 @@ private Q_SLOTS:
     void testSimpleFormat_data();
     void testLineOverlappingFormat();
     void testSplitControlSequence();
+    void oneLineBenchmark();
+    void multiLineBenchmark();
 
 private:
     const QString red;
@@ -303,6 +305,36 @@ void tst_AnsiEscapeCodeHandler::testSplitControlSequence()
     QCOMPARE(result[1].format, boldFormat);
 }
 
+void tst_AnsiEscapeCodeHandler::oneLineBenchmark()
+{
+    const QString line = QLatin1String("Normal text")
+            + mustard256 + QLatin1String(" mustard text ")
+            + bold + QLatin1String(" bold text ")
+            + grayBackground256 + QLatin1String(" gray background text");
+    AnsiEscapeCodeHandler handler;
+    QTextCharFormat defaultFormat;
+
+    QBENCHMARK {
+        handler.parseText(FormattedText(line, defaultFormat));
+    }
+}
+
+void tst_AnsiEscapeCodeHandler::multiLineBenchmark()
+{
+    const QString line1 = QLatin1String("Normal text")
+            + mustard256 + QLatin1String(" mustard text ")
+            + bold;
+    const QString line2 = QLatin1String(" bold text ")
+            + grayBackground256 + QLatin1String(" gray background text");
+    AnsiEscapeCodeHandler handler;
+    QTextCharFormat defaultFormat;
+
+    QBENCHMARK {
+        handler.parseText(FormattedText(line1, defaultFormat));
+        handler.parseText(FormattedText(line2, defaultFormat));
+    }
+}
+
 QTEST_APPLESS_MAIN(tst_AnsiEscapeCodeHandler)
 
 #include "tst_ansiescapecodehandler.moc"