-Writing Unit and Rendering Tests
-================================
+Writing Skia Tests
+==================
+
++ [Unit Tests](#test)
++ [Rendering Tests](#gm)
++ [Benchmark Tests](#bench)
+
+<span id="test"></span>
Writing a Unit Test
-------------------
ninja -C out/Debug dm
out/Debug/dm --match NewUnitTest
+<span id="gm"></span>
+
Writing a Rendering Test
------------------------
On MacOS, try this:
out/Debug/SampleApp.app/Contents/MacOS/SampleApp --slide GM:newgmtest
+
+<span id="bench"></span>
+
+Writing a Benchmark Test
+------------------------
+
+1. Add a file `bench/FooBench.cpp`:
+
+ <!--?prettify lang=cc?-->
+
+ /*
+ * Copyright ........
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file.
+ */
+ #include "Benchmark.h"
+ #include "SkCanvas.h"
+ namespace {
+ class FooBench : public Benchmark {
+ public:
+ FooBench() {}
+ virtual ~FooBench() {}
+ protected:
+ const char* onGetName() override { return "Foo"; }
+ SkIPoint onGetSize() override { return SkIPoint{100, 100}; }
+ void onDraw(int loops, SkCanvas* canvas) override {
+ while (loops-- > 0) {
+ canvas->drawLine(0.0f, 0.0f, 100.0f, 100.0f, SkPaint());
+ }
+ }
+ };
+ } // namespace
+ DEF_BENCH(return new FooBench;)
+
+
+2. Recompile and run nanobench:
+
+ python bin/sync-and-gyp
+ ninja -C out/Release nanobench
+ out/Release/nanobench --match Foo