Issue #19 : The Mock of the rpp_driver::Adau1361 is missing.

Added Mock for the Adau1361. And test it.

Author: suikan4github

src/codec/adau1361.hpp

@@ -167,11 +167,12 @@ class MockAdau1361 : public Adau1361 {
   MockAdau1361(Adau1361Lower& adau1361_lower)
       : Adau1361(48'000, 12'000'000, adau1361_lower) {
   }  // with dummy fs and dummy mclock
-  MOCK_METHOD0(GetStateMachine, uint32_t(void));
+
   MOCK_METHOD0(Start, void(void));
-  MOCK_METHOD0(Stop, void(void));
-  MOCK_METHOD1(PutFifoBlocking, void(int32_t value));
-  MOCK_METHOD0(GetFifoBlocking, int32_t());
+  MOCK_METHOD3(SetGain,
+               void(CodecChannel channel, float left_gain, float right_gain));
+  MOCK_METHOD2(Mute, void(CodecChannel channel, bool mute));
+  MOCK_METHOD1(Mute, void(CodecChannel channel));
 };
 // GCOVR_EXCL_STOP
 #endif  // __has_include(<gmock/gmock.h>)

test/test_mockadau1361.cpp

@@ -0,0 +1,34 @@
+/*
+ * Test the MockAdau1361 class.
+ * Only constructor is tested.
+ */
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include "adau1361.hpp"
+#include "sdkwrapper.hpp"
+
+using ::testing::_;
+class MockAdau1361Test : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    codec_lower_ = new ::rpp_driver::MockAdau1361Lower(i2c_);
+    codec_ = new ::rpp_driver::MockAdau1361(*codec_lower_);
+  }
+
+  virtual void TearDown() {
+    delete codec_;
+    delete codec_lower_;
+  }
+
+  ::rpp_driver::MockI2cMasterInterface i2c_;
+  ::rpp_driver::MockAdau1361Lower *codec_lower_;
+  ::rpp_driver::Adau1361 *codec_;
+};  // MockAdau1361Test
+
+/*
+ * In this test case, we test teh MockAdau1361 is surely able to
+ * compile. So, none of the other methods are tested.
+ */
+TEST_F(MockAdau1361Test, Constructor) {}