add test for 2nd transfer method

Author: nerdyscout

test/test_spi.h

@@ -6,20 +6,21 @@ namespace SpiTest {
 
 void test_basics(void) {
   SPISettings settings(4000000, MSBFIRST, SPI_MODE0);
-  uint8_t buffer1=0x01;
-  uint8_t buffer2[]={0x02};
+  uint8_t data = 0x01;
+  uint8_t buffer[] = {0x02, 0x03, 0x04};
+  uint8_t *ptr = buffer;
 
   When(OverloadedMethod(ArduinoFake(SPI), begin, void(void))).AlwaysReturn();
   When(OverloadedMethod(ArduinoFake(SPI), end, void(void))).AlwaysReturn();
   When(OverloadedMethod(ArduinoFake(SPI), beginTransaction, void(SPISettings)).Using(settings)).AlwaysReturn();
   When(OverloadedMethod(ArduinoFake(SPI), endTransaction, void(void))).AlwaysReturn();
-  When(OverloadedMethod(ArduinoFake(SPI), transfer, uint8_t(uint8_t)).Using(buffer1)).AlwaysReturn();
-//  When(OverloadedMethod(ArduinoFake(SPI), transfer, void(void*, size_t)).Using(buffer2,sizeof(buffer2))).AlwaysReturn();
+  When(OverloadedMethod(ArduinoFake(SPI), transfer, uint8_t(uint8_t)).Using(data)).AlwaysReturn();
+  When(OverloadedMethod(ArduinoFake(SPI), transfer, void(void*, size_t)).Using(ptr, sizeof(buffer))).AlwaysReturn();
 
   SPI.begin();
   SPI.beginTransaction(settings);
-  SPI.transfer(0x01);
-//  SPI.transfer(buffer2, sizeof(buffer2));
+  SPI.transfer(data);
+  SPI.transfer(buffer, sizeof(buffer));
   SPI.endTransaction();
   SPI.end();
 
@@ -28,7 +29,7 @@ void test_basics(void) {
   Verify(OverloadedMethod(ArduinoFake(SPI), beginTransaction, void(SPISettings))).Once();
   Verify(OverloadedMethod(ArduinoFake(SPI), endTransaction, void(void))).Once();
   Verify(OverloadedMethod(ArduinoFake(SPI), transfer, uint8_t(uint8_t))).Once();
-//  Verify(OverloadedMethod(ArduinoFake(SPI), transfer, void(void*, size_t))).Once();
+  Verify(OverloadedMethod(ArduinoFake(SPI), transfer, void(void*, size_t))).Once();
 }
 
 void run_tests() { RUN_TEST(SpiTest::test_basics); }