Refactor QTestCharBuffer a bit

Use a static buffer for small strings, and making it oom safe.
We can now see messages up to 512 bytes even if we run out of memory
(important for OOM tests). Also, testlogging (< 512 bytes per line)
should again work without a single allocation.

Reviewed-By: Rohan McGovern <rohan.mcgovern@nokia.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/src/testlib/qtestbasicstreamer.h b/src/testlib/qtestbasicstreamer.h
index 432dd223a8..cabbf34984 100644
--- a/src/testlib/qtestbasicstreamer.h
+++ b/src/testlib/qtestbasicstreamer.h
@@ -53,6 +53,7 @@ QT_MODULE(Test)
 class QTestElement;
 class QTestElementAttribute;
 class QTestLogger;
+class QTestCharBuffer;
 
 class QTestBasicStreamer
 {
@@ -71,11 +72,11 @@ class QTestBasicStreamer
         const QTestLogger *logger() const;
 
     protected:
-        virtual void formatStart(const QTestElement *element, char **formatted) const;
-        virtual void formatEnd(const QTestElement *element, char **formatted) const;
-        virtual void formatBeforeAttributes(const QTestElement *element, char **formatted) const;
-        virtual void formatAfterAttributes(const QTestElement *element, char **formatted) const;
-        virtual void formatAttributes(const QTestElement *element, const QTestElementAttribute *attribute, char **formatted) const;
+        virtual void formatStart(const QTestElement *element, QTestCharBuffer *formatted) const;
+        virtual void formatEnd(const QTestElement *element, QTestCharBuffer *formatted) const;
+        virtual void formatBeforeAttributes(const QTestElement *element, QTestCharBuffer *formatted) const;
+        virtual void formatAfterAttributes(const QTestElement *element, QTestCharBuffer *formatted) const;
+        virtual void formatAttributes(const QTestElement *element, const QTestElementAttribute *attribute, QTestCharBuffer *formatted) const;
         virtual void outputElements(QTestElement *element, bool isChildElement = false) const;
         virtual void outputElementAttributes(const QTestElement *element, QTestElementAttribute *attribute) const;