Allow testlib loggers to dynamically allocate storage for strings.

This enables very long failure messages (e.g. including an entire
build log in a failure message).

This change modifies only the plain test logger to use this feature.

Task: 253861

Reviewed-by: Michael Goddard

1 files changed, 36 insertions, 0 deletions

diff --git a/src/testlib/qabstracttestlogger_p.h b/src/testlib/qabstracttestlogger_p.h
index a0e8a1e..588184e 100644
--- a/src/testlib/qabstracttestlogger_p.h
+++ b/src/testlib/qabstracttestlogger_p.h
@@ -99,6 +99,42 @@ public:
     static bool isTtyOutput();
 };
 
+struct QTestCharBuffer
+{
+    inline QTestCharBuffer()
+            : buf(0)
+    {}
+
+    inline ~QTestCharBuffer()
+    {
+        delete[] buf;
+        buf = 0;
+    }
+
+    inline operator void*()
+    {
+        return buf;
+    }
+
+    inline operator char*()
+    {
+        return buf;
+    }
+
+    inline operator char**()
+    {
+        return &buf;
+    }
+
+    inline const char* constData() const
+    {
+        return buf;
+    }
+
+private:
+    char* buf;
+};
+
 QT_END_NAMESPACE
 
 #endif