From cd57dae62ff80ad371ebcb3fe63731ebbf7ef808 Mon Sep 17 00:00:00 2001
From: Robert Loehning <robert.loehning@qt.io>
Date: Fri, 20 Mar 2020 11:54:14 +0100
Subject: Fuzzing: Add QGuiApplication to gui fuzz targets

Change-Id: I3713701f63d9d8938fbb42ad1ae2f0c4ae813e94
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
---
 tests/libfuzzer/gui/text/qtextdocument/sethtml/main.cpp        | 10 +++++++---
 tests/libfuzzer/gui/text/qtextdocument/sethtml/sethtml.pro     |  3 ++-
 tests/libfuzzer/gui/text/qtextdocument/setmarkdown/main.cpp    |  7 +++++++
 .../gui/text/qtextdocument/setmarkdown/setmarkdown.pro         |  4 ++--
 .../libfuzzer/gui/text/qtextlayout/beginlayout/beginlayout.pro |  3 ++-
 tests/libfuzzer/gui/text/qtextlayout/beginlayout/main.cpp      |  7 +++++++
 6 files changed, 27 insertions(+), 7 deletions(-)

(limited to 'tests/libfuzzer/gui/text')

diff --git a/tests/libfuzzer/gui/text/qtextdocument/sethtml/main.cpp b/tests/libfuzzer/gui/text/qtextdocument/sethtml/main.cpp
index 51fa3c9e0f..ed2a5c4e37 100644
--- a/tests/libfuzzer/gui/text/qtextdocument/sethtml/main.cpp
+++ b/tests/libfuzzer/gui/text/qtextdocument/sethtml/main.cpp
@@ -26,12 +26,16 @@
 **
 ****************************************************************************/
 
-#include <QApplication>
+#include <QGuiApplication>
 #include <QTextDocument>
 
 extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size) {
-    static int c = 0;
-    static QApplication a(c, nullptr);
+    static int argc = 3;
+    static char arg1[] = "fuzzer";
+    static char arg2[] = "-platform";
+    static char arg3[] = "minimal";
+    static char *argv[] = {arg1, arg2, arg3, nullptr};
+    static QGuiApplication qga(argc, argv);
     QTextDocument().setHtml(QByteArray::fromRawData(Data, Size));
     return 0;
 }
diff --git a/tests/libfuzzer/gui/text/qtextdocument/sethtml/sethtml.pro b/tests/libfuzzer/gui/text/qtextdocument/sethtml/sethtml.pro
index af5ef9e940..bed2198e0d 100644
--- a/tests/libfuzzer/gui/text/qtextdocument/sethtml/sethtml.pro
+++ b/tests/libfuzzer/gui/text/qtextdocument/sethtml/sethtml.pro
@@ -1,4 +1,5 @@
-QT += widgets
+QT += gui
+QTPLUGIN *= qminimal
 SOURCES += main.cpp
 FUZZ_ENGINE = $$(LIB_FUZZING_ENGINE)
 isEmpty(FUZZ_ENGINE) {
diff --git a/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/main.cpp b/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/main.cpp
index 66ddf738f2..6093da9827 100644
--- a/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/main.cpp
+++ b/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/main.cpp
@@ -26,9 +26,16 @@
 **
 ****************************************************************************/
 
+#include <QGuiApplication>
 #include <QTextDocument>
 
 extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size) {
+    static int argc = 3;
+    static char arg1[] = "fuzzer";
+    static char arg2[] = "-platform";
+    static char arg3[] = "minimal";
+    static char *argv[] = {arg1, arg2, arg3, nullptr};
+    static QGuiApplication qga(argc, argv);
     QTextDocument().setMarkdown(QByteArray::fromRawData(Data, Size));
     return 0;
 }
diff --git a/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/setmarkdown.pro b/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/setmarkdown.pro
index 758622e1af..bed2198e0d 100644
--- a/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/setmarkdown.pro
+++ b/tests/libfuzzer/gui/text/qtextdocument/setmarkdown/setmarkdown.pro
@@ -1,5 +1,5 @@
-CONFIG += console
-CONFIG -= app_bundle
+QT += gui
+QTPLUGIN *= qminimal
 SOURCES += main.cpp
 FUZZ_ENGINE = $$(LIB_FUZZING_ENGINE)
 isEmpty(FUZZ_ENGINE) {
diff --git a/tests/libfuzzer/gui/text/qtextlayout/beginlayout/beginlayout.pro b/tests/libfuzzer/gui/text/qtextlayout/beginlayout/beginlayout.pro
index af5ef9e940..bed2198e0d 100644
--- a/tests/libfuzzer/gui/text/qtextlayout/beginlayout/beginlayout.pro
+++ b/tests/libfuzzer/gui/text/qtextlayout/beginlayout/beginlayout.pro
@@ -1,4 +1,5 @@
-QT += widgets
+QT += gui
+QTPLUGIN *= qminimal
 SOURCES += main.cpp
 FUZZ_ENGINE = $$(LIB_FUZZING_ENGINE)
 isEmpty(FUZZ_ENGINE) {
diff --git a/tests/libfuzzer/gui/text/qtextlayout/beginlayout/main.cpp b/tests/libfuzzer/gui/text/qtextlayout/beginlayout/main.cpp
index dfb9559241..27e0566c2c 100644
--- a/tests/libfuzzer/gui/text/qtextlayout/beginlayout/main.cpp
+++ b/tests/libfuzzer/gui/text/qtextlayout/beginlayout/main.cpp
@@ -26,9 +26,16 @@
 **
 ****************************************************************************/
 
+#include <QGuiApplication>
 #include <QTextLayout>
 
 extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size) {
+    static int argc = 3;
+    static char arg1[] = "fuzzer";
+    static char arg2[] = "-platform";
+    static char arg3[] = "minimal";
+    static char *argv[] = {arg1, arg2, arg3, nullptr};
+    static QGuiApplication qga(argc, argv);
     QTextLayout tl(QByteArray::fromRawData(Data, Size));
     tl.beginLayout();
     tl.endLayout();
-- 
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