Commitf77c4b5

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Merge pull request#207 from jboynes/fix_canmsg_volatile

Fix: add test case for CanMsgRingBuffer.

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+37

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+37

-2

lines changed

Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ void CanMsgRingbuffer::enqueue(CanMsg const & msg)`
`40`	`40`
`41`	`41`	`_buf[_head] = msg;`
`42`	`42`	`_head =next(_head);`
`43`		`- _num_elems++;`
	`43`	`+ _num_elems = _num_elems +1;`
`44`	`44`	`}`
`45`	`45`
`46`	`46`	`CanMsgCanMsgRingbuffer::dequeue()`
`@@ -50,7 +50,7 @@ CanMsg CanMsgRingbuffer::dequeue()`
`50`	`50`
`51`	`51`	`CanMsgconst msg = _buf[_tail];`
`52`	`52`	`_tail =next(_tail);`
`53`		`- _num_elems--;`
	`53`	`+ _num_elems = _num_elems -1;`
`54`	`54`
`55`	`55`	`return msg;`
`56`	`56`	`}`

Lines changed: 2 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,7 @@ set(TEST_SRCS`
`33`	`33`	`src/CanMsg/test_isStandardId.cpp`
`34`	`34`	`src/CanMsg/test_operator_assignment.cpp`
`35`	`35`	`src/CanMsg/test_printTo.cpp`
	`36`	`+ src/CanMsgRingbuffer/test_available.cpp`
`36`	`37`	`src/Common/test_makeWord.cpp`
`37`	`38`	`src/Common/test_map.cpp`
`38`	`39`	`src/Common/test_max.cpp`
`@@ -104,6 +105,7 @@ set(TEST_SRCS`
`104`	`105`
`105`	`106`	`set(TEST_DUT_SRCS`
`106`	`107`	`../api/CanMsg.cpp`
	`108`	`+ ../api/CanMsgRingbuffer.cpp`
`107`	`109`	`../api/Common.cpp`
`108`	`110`	`../api/IPAddress.cpp`
`109`	`111`	`../api/String.cpp`

Lines changed: 33 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,33 @@`
	`1`	`+/*`
	`2`	`+ * Copyright (c) 2020 Arduino. All rights reserved.`
	`3`	`+*/`
	`4`	`+`
	`5`	`+/**************************************************************************************`
	`6`	`+ * INCLUDE`
	`7`	`+ **************************************************************************************/`
	`8`	`+`
	`9`	`+#include<catch.hpp>`
	`10`	`+`
	`11`	`+#include<CanMsgRingbuffer.h>`
	`12`	`+`
	`13`	`+/**************************************************************************************`
	`14`	`+ * TEST CODE`
	`15`	`+ **************************************************************************************/`
	`16`	`+`
	`17`	`+TEST_CASE ("'available' should return 0 for empty CanMsg ring buffer","[CanMsgRingbuffer-available-01]")`
	`18`	`+{`
	`19`	`+ arduino::CanMsgRingbuffer ringbuffer;`
	`20`	`+REQUIRE(ringbuffer.available() ==0);`
	`21`	`+}`
	`22`	`+`
	`23`	`+TEST_CASE ("'available' should return number of elements in CanMsg ringbuffer","[CanMsgRingbuffer-available-02]")`
	`24`	`+{`
	`25`	`+ arduino::CanMsgRingbuffer ringbuffer;`
	`26`	`+ arduino::CanMsg msg;`
	`27`	`+ ringbuffer.enqueue(msg);`
	`28`	`+REQUIRE(ringbuffer.available() ==1);`
	`29`	`+ ringbuffer.enqueue(msg);`
	`30`	`+REQUIRE(ringbuffer.available() ==2);`
	`31`	`+ ringbuffer.dequeue();`
	`32`	`+REQUIRE(ringbuffer.available() ==1);`
	`33`	`+}`

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