move c api into include

BUG=skia:

Review URL: https://codereview.chromium.org/665203004
diff --git a/tests/CTest.cpp b/tests/CTest.cpp
new file mode 100644
index 0000000..f663dcf
--- /dev/null
+++ b/tests/CTest.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "sk_surface.h"
+#include "Test.h"
+
+static void test_c(skiatest::Reporter* reporter) {
+    sk_colortype_t ct = sk_colortype_get_default_8888();
+
+    sk_imageinfo_t info = {
+        1, 1, ct, PREMUL_SK_ALPHATYPE
+    };
+    uint32_t pixel[1] = { 0 };
+
+    sk_surface_t* surface = sk_surface_new_raster_direct(&info, pixel, sizeof(uint32_t));
+    sk_paint_t* paint = sk_paint_new();
+
+    sk_canvas_t* canvas = sk_surface_get_canvas(surface);
+    sk_canvas_draw_paint(canvas, paint);
+    REPORTER_ASSERT(reporter, 0xFF000000 == pixel[0]);
+
+    sk_paint_set_color(paint, sk_color_set_argb(0xFF, 0xFF, 0xFF, 0xFF));
+    sk_canvas_draw_paint(canvas, paint);
+    REPORTER_ASSERT(reporter, 0xFFFFFFFF == pixel[0]);
+
+    sk_paint_delete(paint);
+    sk_surface_delete(surface);
+}
+
+DEF_TEST(C_API, reporter) {
+    test_c(reporter);
+}