test: ++code safety

added null check for exceptional case.

Change-Id: I12a5e9724149f607188b67a84e46a033a16270f7

test/testAsync.cpp

@@ -10,6 +10,8 @@ static unsigned cnt = 0;
 
 bool tvgUpdateCmds(tvg::Canvas* canvas)
 {
+   if (!canvas) return false;
+
     auto t = ecore_time_get();
 
     //Explicitly clear all retained paint nodes.

test/testBlending.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     canvas->reserve(5);
 
     //Prepare Round Rectangle

test/testBoundary.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     canvas->reserve(5);             //reserve 5 shape nodes (optional)
 
     //Prepare Shape1

test/testCommon.h

@@ -12,14 +12,13 @@ using namespace std;
 /************************************************************************/
 
 void tvgSwTest(uint32_t* buffer);
+void drawSwView(void* data, Eo* obj);
 
 void win_del(void *data, Evas_Object *o, void *ev)
 {
    elm_exit();
 }
 
-void drawSwView(void* data, Eo* obj);
-
 static Eo* createSwView()
 {
     static uint32_t buffer[WIDTH * HEIGHT];

test/testCustomTransform.cpp

@@ -7,6 +7,8 @@ tvg::Shape* pShape = nullptr;
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Shape1
     auto shape = tvg::Shape::gen();
 
@@ -33,6 +35,8 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
 void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 {
+    if (!canvas) return;
+
     /* Update shape directly.
        You can update only necessary properties of this shape,
        while retaining other properties. */

test/testDirectUpdate.cpp

@@ -7,6 +7,8 @@ tvg::Shape* pShape = nullptr;
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Shape
     auto shape = tvg::Shape::gen();
 
@@ -26,6 +28,8 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
 void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 {
+    if (!canvas) return;
+
     /* Update shape directly.
        You can update only necessary properties of this shape,
        while retaining other properties. */

test/testGradientTransform.cpp

@@ -9,6 +9,8 @@ tvg::Shape* pShape3 = nullptr;
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Shape1
     auto shape = tvg::Shape::gen();
 
@@ -83,6 +85,8 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
 void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 {
+    if (!canvas) return;
+
     /* Update shape directly.
        You can update only necessary properties of this shape,
        while retaining other properties. */

test/testLinearGradient.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     canvas->reserve(3);                          //reserve 3 shape nodes (optional)
 
     //Prepare Round Rectangle

test/testMultiShapes.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     canvas->reserve(3);                          //reserve 3 shape nodes (optional)
 
     //Prepare Round Rectangle

test/testPath.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Star
     auto shape1 = tvg::Shape::gen();
 

test/testPathCopy.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     /* Star */
 
     //Prepare Path Commands

test/testRadialGradient.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     canvas->reserve(3);                          //reserve 3 shape nodes (optional)
 
     //Prepare Round Rectangle

test/testScene.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Create a Scene
     auto scene = tvg::Scene::gen();
     scene->reserve(3);   //reserve 3 shape nodes (optional)

test/testSceneTransform.cpp

@@ -8,6 +8,8 @@ tvg::Scene* pScene2 = nullptr;
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Create a Scene1
     auto scene = tvg::Scene::gen();
     pScene1 = scene.get();
@@ -90,6 +92,8 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
 void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 {
+    if (!canvas) return;
+
     /* Update scene directly.
        You can update only necessary properties of this scene,
        while retaining other properties. */

test/testShape.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Prepare a Shape (Rectangle + Rectangle + Circle + Circle)
     auto shape1 = tvg::Shape::gen();
     shape1->appendRect(0, 0, 200, 200, 0, 0);          //x, y, w, h, rx, ry

test/testStroke.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Shape 1
     auto shape1 = tvg::Shape::gen();
     shape1->appendRect(50, 50, 200, 200, 0, 0);

test/testStrokeLine.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Test for Stroke Width
     for (int i = 0; i < 10; ++i) {
         auto shape = tvg::Shape::gen();

test/testSvg.cpp

@@ -31,6 +31,8 @@ void svgDirCallback(const char* name, const char* path, void* data)
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Background
     auto shape = tvg::Shape::gen();
     shape->appendRect(0, 0, WIDTH, HEIGHT, 0, 0);    //x, y, w, h, rx, ry

test/testTransform.cpp

@@ -9,6 +9,8 @@ tvg::Shape* pShape3 = nullptr;
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Shape1
     auto shape = tvg::Shape::gen();
 
@@ -46,6 +48,8 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
 void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 {
+    if (!canvas) return;
+
     /* Update shape directly.
        You can update only necessary properties of this shape,
        while retaining other properties. */

test/testUpdate.cpp

@@ -6,6 +6,8 @@
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
+    if (!canvas) return;
+
     //Shape
     auto shape = tvg::Shape::gen();
     shape->appendRect(-100, -100, 200, 200, 0, 0);
@@ -15,6 +17,8 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
 void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 {
+    if (!canvas) return;
+
     //Explicitly clear all retained paint nodes.
     if (canvas->clear() != tvg::Result::Success) return;