SkImageShaderFactoryToName SkAlphaThresholdFilterFactoryToName

tests/FlattenableFactoryToName.cpp

+/*

[mtklein, 2015/12/02 20:27:59]

I'm not sure I see the long term value of this test.

[hal.canary, 2015/12/02 20:48:59]

I'm not sure how gold failed to catch these.

+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+//#include "SkAlphaThresholdFilter.h"
+#include "SkImage.h"
+#include "Test.h"
+
+static void test_flattenable(skiatest::Reporter* r,
+                             const SkFlattenable* f,
+                             const char* desc) {
+    if (f) {
+        SkFlattenable::Factory factory = f->getFactory();
+        REPORTER_ASSERT(r, factory);
+        if (factory) {
+            if (!SkFlattenable::FactoryToName(factory)) {
+                ERRORF(r, "SkFlattenable::FactoryToName() fails with %s.",
+                       desc);
+            }
+        }
+    }
+}
+
+DEF_TEST(FlattenableFactoryToName, r) {
+#if 0
+    SkIRect rects[2];
+    rects[0] = SkIRect::MakeXYWH(0, 150, 500, 200);
+    rects[1] = SkIRect::MakeXYWH(150, 0, 200, 500);
+    SkRegion region;
+    region.setRects(rects, 2);
+    SkAutoTUnref<SkImageFilter> filter( 
+            SkAlphaThresholdFilter::Create(region, 0.2f, 0.7f));
+    test_flattenable(r, filter, "SkAlphaThresholdFilter()");

[mtklein, 2015/12/02 20:28:00]

We don't really guarantee these particular strings.

[hal.canary, 2015/12/02 20:48:59]

the string was for my ERRORF macro.

+#endif
+    SkBitmap bm;
+    bm.allocN32Pixels(8, 8);
+    bm.eraseColor(SK_ColorCYAN);
+    SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bm));
+    SkAutoTUnref<SkShader> shader(
+            image->newShader(
+                    SkShader::kClamp_TileMode,
+                    SkShader::kClamp_TileMode));
+    test_flattenable(r, shader, "SkImage::newShader()");
+}