Add GrContext::releaseAndAbandonContext()

tests/GrContextAbandonTest.cpp

Index: tests/GrContextAbandonTest.cpp
diff --git a/tests/GrContextAbandonTest.cpp b/tests/GrContextAbandonTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c62973f4da27215ab10da8dc1f309cc1f28ce7db
--- /dev/null
+++ b/tests/GrContextAbandonTest.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkTypes.h"
+
+#if SK_SUPPORT_GPU
+
+#include "GrContextFactory.h"
+#include "Test.h"
+
+using sk_gpu_test::GrContextFactory;
+
+DEF_GPUTEST(GrContext_abandonContext, reporter, /*factory*/) {
+    for (int testType = 0; testType < 6; ++testType) {
+    for (int i = 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
+        GrContextFactory testFactory;
+        GrContextFactory::GLContextType ctxType = (GrContextFactory::GLContextType) i;
+        GrContextFactory::ContextInfo info = testFactory.getContextInfo(ctxType);
+            if (GrContext* context = info.fGrContext) {
+                switch (testType) {
+                    case 0:
+                        context->abandonContext();
+                        break;
+                    case 1:
+                        context->releaseResourcesAndAbandonContext();
+                        break;
+                    case 2:
+                        context->abandonContext();
+                        context->abandonContext();
+                        break;
+                    case 3:
+                        context->abandonContext();
+                        context->releaseResourcesAndAbandonContext();
+                        break;
+                    case 4:
+                        context->releaseResourcesAndAbandonContext();
+                        context->abandonContext();
+                        break;
+                    case 5:
+                        context->releaseResourcesAndAbandonContext();
+                        context->releaseResourcesAndAbandonContext();
+                        break;
+                }
+            }
+        }
+    }
+}
+
+#endif