add null-surface
Bug:crbug.com/737726
Change-Id: Iec9094d8d7232943e90fe2d9745fc83bcdf90954
Reviewed-on: https://skia-review.googlesource.com/21190
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/tests/SurfaceTest.cpp b/tests/SurfaceTest.cpp
index dc051a5..5249b3d 100644
--- a/tests/SurfaceTest.cpp
+++ b/tests/SurfaceTest.cpp
@@ -948,3 +948,15 @@
test_overdraw_surface(r, surface.get());
}
#endif
+
+DEF_TEST(Surface_null, r) {
+ REPORTER_ASSERT(r, SkSurface::MakeNull(0, 0) == nullptr);
+
+ const int w = 37;
+ const int h = 1000;
+ auto surf = SkSurface::MakeNull(w, h);
+ auto canvas = surf->getCanvas();
+
+ canvas->drawPaint(SkPaint()); // should not crash, but don't expect anything to draw
+ REPORTER_ASSERT(r, surf->makeImageSnapshot() == nullptr);
+}