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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-10-05 14:05:25 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-10-05 14:05:25 +0000 |
| commit | d5853de4bd4603ba507999d45075031779b13912 (patch) | |
| tree | 21dd80337abd8bf10e2017773ddf7dbd9393e98b /test/testsem.c | |
| parent | 2891f7d645c4be187ac96ee4011207531d25c34a (diff) | |
| download | ChibiOS-d5853de4bd4603ba507999d45075031779b13912.tar.gz ChibiOS-d5853de4bd4603ba507999d45075031779b13912.tar.bz2 ChibiOS-d5853de4bd4603ba507999d45075031779b13912.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2235 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'test/testsem.c')
| -rw-r--r-- | test/testsem.c | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/test/testsem.c b/test/testsem.c index 798e3a65d..85535ed0a 100644 --- a/test/testsem.c +++ b/test/testsem.c @@ -189,7 +189,7 @@ ROMCONST struct testcase testsem2 = { * @page test_sem_003 Atomic signal-wait test
*
* <h2>Description</h2>
- * This test case explicitly address the @p chSemWaitSignal() function. A
+ * This test case explicitly addresses the @p chSemWaitSignal() function. A
* thread is created that performs a wait and a signal operations.
* The tester thread is awakened from an atomic wait/signal operation.<br>
* The test expects that the semaphore wait function returns the correct value
@@ -229,6 +229,57 @@ ROMCONST struct testcase testsem3 = { sem3_execute
};
#endif /* CH_USE_SEMSW */
+
+/**
+ * @page test_sem_004 Binary Wait and Signal
+ *
+ * <h2>Description</h2>
+ * This test case tests the binary semaphores functionality. The test both
+ * checks the binary semaphore status and the expected status of the underlying
+ * counting semaphore.
+ */
+static msg_t thread4(void *p) {
+
+ chBSemSignal((BinarySemaphore *)p);
+ return 0;
+}
+
+static void sem4_execute(void) {
+ BinarySemaphore bsem;
+
+ /* Creates a taken binary semaphore.*/
+ chBSemInit(&bsem, TRUE);
+ chBSemReset(&bsem, TRUE);
+ test_assert(1, chBSemGetStateI(&bsem) == TRUE, "not taken");
+
+ /* Starts a signaler thread at a lower priority.*/
+ threads[0] = chThdCreateStatic(wa[0], WA_SIZE,
+ chThdGetPriority()-1, thread4, &bsem);
+
+ /* Waits to be signaled.*/
+ chBSemWait(&bsem);
+
+ /* The binary semaphore is expected to be taken.*/
+ test_assert(2, chBSemGetStateI(&bsem) == TRUE, "not taken");
+
+ /* Releasing it, check both the binary semaphore state and the underlying
+ counter semaphore state..*/
+ chBSemSignal(&bsem);
+ test_assert(3, chBSemGetStateI(&bsem) == FALSE, "still taken");
+ test_assert(4, chSemGetCounterI(&bsem.bs_sem) == 1, "unexpected counter");
+
+ /* Checking signaling overflow, the counter must not go beyond 1.*/
+ chBSemSignal(&bsem);
+ test_assert(3, chBSemGetStateI(&bsem) == FALSE, "taken");
+ test_assert(5, chSemGetCounterI(&bsem.bs_sem) == 1, "unexpected counter");
+}
+
+ROMCONST struct testcase testsem4 = {
+ "Binary Semaphores, functionality",
+ NULL,
+ NULL,
+ sem4_execute
+};
#endif /* CH_USE_SEMAPHORES */
/**
@@ -241,6 +292,7 @@ ROMCONST struct testcase * ROMCONST patternsem[] = { #if CH_USE_SEMSW
&testsem3,
#endif
+ &testsem4,
#endif
NULL
};
|