gdiplus/tests: Check more return values (Coverity).

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/gdiplus/tests/font.c

@@ -155,7 +155,8 @@ static void test_createfont(void)
     for (i = UnitWorld; i <=UnitMillimeter; i++)
     {
         if (i == UnitDisplay) continue; /* Crashes WindowsXP, wtf? */
-        GdipCreateFont(fontfamily, 24, FontStyleRegular, i, &font);
+        stat = GdipCreateFont(fontfamily, 24, FontStyleRegular, i, &font);
+        expect(Ok, stat);
         GdipGetFontSize (font, &size);
         ok (size == 24, "Expected 24, got %f (with unit: %d)\n", size, i);
         GdipGetFontUnit (font, &unit);
@@ -179,7 +180,8 @@ static void test_logfont(void)
     UINT16 em_height, line_spacing;
     Unit unit;
 
-    GdipCreateFromHDC(hdc, &graphics);
+    stat = GdipCreateFromHDC(hdc, &graphics);
+    expect(Ok, stat);
 
     memset(&lfa, 0, sizeof(LOGFONTA));
     memset(&lfa2, 0xff, sizeof(LOGFONTA));

dlls/gdiplus/tests/graphics.c

@@ -365,7 +365,8 @@ static void test_save_restore(void)
     log_state(state_a, &state_log);
 
     /* BeginContainer and SaveGraphics use the same stack. */
-    GdipCreateFromHDC(hdc, &graphics1);
+    stat = GdipCreateFromHDC(hdc, &graphics1);
+    expect(Ok, stat);
     GdipSetInterpolationMode(graphics1, InterpolationModeBilinear);
     stat = GdipBeginContainer2(graphics1, &state_a);
     expect(Ok, stat);
@@ -731,7 +732,8 @@ static void test_BeginContainer2(void)
     status = GdipCreateMatrix(&transform);
     expect(Ok, status);
     GdipGetWorldTransform(graphics, transform);
-    GdipGetMatrixElements(transform, elems);
+    status = GdipGetMatrixElements(transform, elems);
+    expect(Ok, status);
     ok(fabs(defTrans[0] - elems[0]) < 0.0001 &&
             fabs(defTrans[1] - elems[1]) < 0.0001 &&
             fabs(defTrans[2] - elems[2]) < 0.0001 &&
@@ -1600,10 +1602,12 @@ static void test_Get_Release_DC(void)
 
     status = GdipCreateMatrix(&m);
     expect(Ok, status);
-    GdipCreateRegion(&region);
+    status = GdipCreateRegion(&region);
+    expect(Ok, status);
     GdipCreateSolidFill((ARGB)0xdeadbeef, &brush);
     GdipCreatePath(FillModeAlternate, &path);
-    GdipCreateRegion(&clip);
+    status = GdipCreateRegion(&clip);
+    expect(Ok, status);
 
     status = GdipCreateFromHDC(hdc, &graphics);
     expect(Ok, status);

dlls/gdiplus/tests/image.c

@@ -367,7 +367,8 @@ static void test_GdipImageGetFrameDimensionsCount(void)
 
     /* SelectActiveFrame has no effect on image data of memory bitmaps */
     color = 0xdeadbeef;
-    GdipBitmapGetPixel(bm, 0, 0, &color);
+    stat = GdipBitmapGetPixel(bm, 0, 0, &color);
+    expect(Ok, stat);
     expect(0xffffffff, color);
 
     GdipDisposeImage((GpImage*)bm);
@@ -2724,7 +2725,7 @@ static void test_multiframegif(void)
     expect(Ok, stat);
 
     color = 0xdeadbeef;
-    GdipBitmapGetPixel(bmp, 0, 0, &color);
+    stat = GdipBitmapGetPixel(bmp, 0, 0, &color);
     expect(Ok, stat);
     expect(0xffffffff, color);
 

dlls/gdiplus/tests/pathiterator.c

@@ -80,7 +80,8 @@ static void test_hascurve(void)
 
     GdipDeletePathIter(iter);
 
-    GdipAddPathEllipse(path, 0.0, 0.0, 35.0, 70.0);
+    stat = GdipAddPathEllipse(path, 0.0, 0.0, 35.0, 70.0);
+    expect(Ok, stat);
 
     stat = GdipCreatePathIter(&iter, path);
     expect(Ok, stat);
@@ -330,9 +331,12 @@ static void test_isvalid(void)
     GdipDeletePathIter(iter);
 
     /* no markers */
-    GdipAddPathLine(path, 50.0, 50.0, 110.0, 40.0);
-    GdipCreatePathIter(&iter, path);
-    GdipPathIterNextMarker(iter, &result, &start, &end);
+    stat = GdipAddPathLine(path, 50.0, 50.0, 110.0, 40.0);
+    expect(Ok, stat);
+    stat = GdipCreatePathIter(&iter, path);
+    expect(Ok, stat);
+    stat = GdipPathIterNextMarker(iter, &result, &start, &end);
+    expect(Ok, stat);
     isvalid = FALSE;
     stat = GdipPathIterIsValid(iter, &isvalid);
     expect(Ok, stat);
@@ -527,7 +531,8 @@ static void test_nextpathtype(void)
     todo_wine expect(0, result);
     GdipDeletePathIter(iter);
 
-    GdipAddPathEllipse(path, 0.0, 0.0, 35.0, 70.0);
+    stat = GdipAddPathEllipse(path, 0.0, 0.0, 35.0, 70.0);
+    expect(Ok, stat);
     GdipCreatePathIter(&iter, path);
     start = end = result = (INT)0xdeadbeef;
     type = 255; /* out of range */