[rtems commit] timespec helpers: Add wrappers with new test

Joel Sherrill joel at rtems.org
Wed Aug 29 12:35:58 UTC 2012


Module:    rtems
Branch:    master
Commit:    a6eaa5489c8da1e38300722715326cbf3ab1b65f
Changeset: http://git.rtems.org/rtems/commit/?id=a6eaa5489c8da1e38300722715326cbf3ab1b65f

Author:    Krzysztof Mięsowicz <krzysztof.miesowicz at gmail.com>
Date:      Wed Aug 29 07:38:54 2012 -0500

timespec helpers: Add wrappers with new test

---

 cpukit/sapi/Makefile.am                          |    2 +
 cpukit/sapi/include/rtems/timespec.h             |   53 ++++
 cpukit/sapi/inline/rtems/timespec.inl            |  296 ++++++++++++++++++++++
 cpukit/sapi/preinstall.am                        |    8 +
 testsuites/sptests/Makefile.am                   |    2 +-
 testsuites/sptests/configure.ac                  |    1 +
 testsuites/sptests/sptimespec01/Makefile.am      |   21 ++
 testsuites/sptests/sptimespec01/init.c           |  250 ++++++++++++++++++
 testsuites/sptests/sptimespec01/sptimespec01.doc |   30 +++
 testsuites/sptests/sptimespec01/sptimespec01.scn |   13 +
 10 files changed, 675 insertions(+), 1 deletions(-)

diff --git a/cpukit/sapi/Makefile.am b/cpukit/sapi/Makefile.am
index 805cfa7..67f11eb 100644
--- a/cpukit/sapi/Makefile.am
+++ b/cpukit/sapi/Makefile.am
@@ -15,6 +15,7 @@ include_rtems_HEADERS += include/rtems/cbs.h
 include_rtems_HEADERS += include/rtems/rbheap.h
 include_rtems_HEADERS += include/rtems/rbtree.h
 include_rtems_HEADERS += include/rtems/sptables.h
+include_rtems_HEADERS += include/rtems/timespec.h
 
 EXTRA_DIST = include/rtems/README
 
@@ -22,6 +23,7 @@ include_rtems_HEADERS += inline/rtems/chain.inl
 include_rtems_HEADERS += inline/rtems/extension.inl
 include_rtems_HEADERS += inline/rtems/cbs.inl
 include_rtems_HEADERS += inline/rtems/rbtree.inl
+include_rtems_HEADERS += inline/rtems/timespec.inl
 
 ## src
 AM_CPPFLAGS += -D__RTEMS_INSIDE__
diff --git a/cpukit/sapi/include/rtems/timespec.h b/cpukit/sapi/include/rtems/timespec.h
new file mode 100644
index 0000000..b661d43
--- /dev/null
+++ b/cpukit/sapi/include/rtems/timespec.h
@@ -0,0 +1,53 @@
+/**
+ *  @file  rtems/sapi/timespec.h
+ *
+ *  @ingroup 
+ *
+ *  @brief Timespec API
+ *
+ *  This include file contains API for manipulating timespecs.
+ */
+
+/*
+ *  Copyright (c) 2012-.
+ *  Krzysztof Miesowicz krzysztof.miesowicz at gmail.com
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef _RTEMS_TIMESPEC_H
+#define _RTEMS_TIMESPEC_H
+
+#include <rtems/score/timespec.h>
+
+/**
+ *  @defgroup TimespecAPI Timespec
+ *
+ *  @ingroup ClassicRTEMS
+ *
+ *  @brief Timespec API
+ *
+ */
+/**@{*/
+
+#include <stdbool.h> /* bool */
+#include <stdint.h> /* uint32_t */
+#include <time.h> /* struct timespec */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/timespec.inl>
+
+#ifdef __cplusplus
+}
+#endif
+
+/**@}*/
+
+#endif
+/* end of include file */
+
diff --git a/cpukit/sapi/inline/rtems/timespec.inl b/cpukit/sapi/inline/rtems/timespec.inl
new file mode 100644
index 0000000..af78e8d
--- /dev/null
+++ b/cpukit/sapi/inline/rtems/timespec.inl
@@ -0,0 +1,296 @@
+/**
+ * @file rtems/sapi/timespec.inl
+ *
+ * @ingroup 
+ *
+ * @brief Timespec API.
+ */
+ 
+/*
+ *  Copyright (c) 2012-.
+ *  Krzysztof Miesowicz krzysztof.miesowicz at gmail.com
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef _RTEMS_TIMESPEC_H
+# error "Never use <rtems/timespec.inl> directly; include <rtems/timespec.h> instead."
+#endif
+
+#ifndef _RTEMS_TIMESPEC_INL
+#define _RTEMS_TIMESPEC_INL
+
+#include <rtems/score/timespec.h>
+
+/**
+ * @addtogroup TimespecAPI Timespec
+ *
+ * @{
+ */
+
+/**
+ * @brief Is Timespec Valid
+ *
+ *  This method determines the validity of a timespec.
+ *
+ *  @param[in] time is the timespec instance to validate.
+ *
+ *  @return This method returns true if @a time is valid and
+ *          false otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool rtems_timespec_is_valid(
+  const struct timespec *time
+)
+{
+  return _Timespec_Is_valid(time);
+}
+
+/**
+ * @brief Timespec Less Than Operator
+ *
+ *  This method is the less than operator for timespecs.
+ *
+ *  @param[in] lhs is the left hand side timespec
+ *  @param[in] rhs is the right hand side timespec
+ *
+ *  @return This method returns true if @a lhs is less than the @a rhs and
+ *          false otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool rtems_timespec_less_than(
+  const struct timespec *lhs,
+  const struct timespec *rhs
+)
+{
+  return _Timespec_Less_than(lhs,rhs);
+}
+
+/**
+ * @brief Add to a Timespec
+ *
+ *  This routine adds two timespecs.  The second argument is added
+ *  to the first.
+ *
+ *  @param[in] time is the base time to be added to
+ *  @param[in] add is the timespec to add to the first argument
+ *
+ *  @return This method returns the number of seconds @a time increased by.
+ */
+RTEMS_INLINE_ROUTINE uint32_t rtems_timespec_add_to(
+  struct timespec       *time,
+  const struct timespec *add
+)
+{
+  return _Timespec_Add_to(time,add);
+}
+
+/**
+ * @brief Convert Timespec to Number of Ticks
+ *
+ *  This routine convert the @a time timespec to the corresponding number
+ *  of clock ticks.
+ *
+ *  @param[in] time is the time to be converted
+ *
+ *  @return This method returns the number of ticks computed.
+ */
+RTEMS_INLINE_ROUTINE uint32_t rtems_timespec_to_ticks(
+  const struct timespec *time
+)
+{
+  return _Timespec_To_ticks(time);
+}
+
+/**
+ * @brief Convert Ticks to Timespec
+ *
+ *  This routine converts the @a ticks value to the corresponding
+ *  timespec format @a time.
+ *
+ *  @param[in] time is the timespec format time result
+ *  @param[in] ticks is the number of ticks to convert
+ */
+
+RTEMS_INLINE_ROUTINE void rtems_timespec_from_ticks(
+  uint32_t         ticks,
+  struct timespec *time
+)
+{
+  _Timespec_From_ticks(ticks,time);
+}
+
+/**
+ * @brief Subtract Two Timespec
+ *
+ *  This routine subtracts two timespecs.  @a result is set to
+ *  @a end - @a start.
+ *
+ *  @param[in] start is the starting time
+ *  @param[in] end is the ending time
+ *  @param[in] result is the difference between starting and ending time.
+ *
+ *  @return This method fills in @a result.
+ */
+RTEMS_INLINE_ROUTINE void rtems_timespec_subtract(
+  const struct timespec *start,
+  const struct timespec *end,
+  struct timespec       *result
+)
+{
+  _Timespec_Subtract(start,end,result);
+}
+
+/**
+ * @brief Divide Timespec By Integer
+ *
+ *  This routine divides a timespec by an integer value.  The expected
+ *  use is to assist in benchmark calculations where you typically
+ *  divide a duration by a number of iterations.
+ *
+ *  @param[in] time is the total
+ *  @param[in] iterations is the number of iterations
+ *  @param[in] result is the average time.
+ *
+ *  @return This method fills in @a result.
+ */
+RTEMS_INLINE_ROUTINE void rtems_timespec_divide_by_integer(
+  const struct timespec *time,
+  uint32_t               iterations,
+  struct timespec       *result
+)
+{
+  _Timespec_Divide_by_integer(time,iterations,result);
+}
+
+/**
+ * @brief Divide Timespec
+ *
+ *  This routine divides a timespec by another timespec.  The
+ *  intended use is for calculating percentages to three decimal points.
+ *
+ *  @param[in] lhs is the left hand number
+ *  @param[in] rhs is the right hand number
+ *  @param[in] ival_percentage is the integer portion of the average
+ *  @param[in] fval_percentage is the thousandths of percentage
+ *
+ *  @return This method fills in @a result.
+ */
+RTEMS_INLINE_ROUTINE void rtems_timespec_divide(
+  const struct timespec *lhs,
+  const struct timespec *rhs,
+  uint32_t              *ival_percentage,
+  uint32_t              *fval_percentage
+)
+{
+  _Timespec_Divide(lhs,rhs,ival_percentage,fval_percentage);
+}
+
+/**
+ * @brief Set Timespec to Seconds Nanosecond
+ *
+ *  This method sets the timespec to the specified seconds and nanoseconds
+ *  value.
+ *
+ *  @param[in] _time points to the timespec instance to validate.
+ *  @param[in] _seconds is the seconds portion of the timespec
+ *  @param[in] _nanoseconds is the nanoseconds portion of the timespec
+ */
+RTEMS_INLINE_ROUTINE void rtems_timespec_set(
+  struct timespec *_time,
+  time_t _seconds,
+  uint32_t _nanoseconds
+)
+{
+  _Timespec_Set( _time, _seconds, _nanoseconds );
+}
+
+/**
+ * @brief Zero Timespec
+ *
+ *  This method sets the timespec to zero.
+ *  value.
+ *
+ *  @param[in] _time points to the timespec instance to zero.
+ */
+RTEMS_INLINE_ROUTINE void rtems_timespec_zero( 
+  struct timespec *_time
+)
+{
+  _Timespec_Set_to_zero( _time );
+}
+
+/**
+ * @brief Get Seconds Portion of Timespec
+ *
+ *  This method returns the seconds portion of the specified timespec
+ *
+ *  @param[in] _time points to the timespec
+ *
+ *  @return The seconds portion of @a _time.
+ */
+RTEMS_INLINE_ROUTINE time_t rtems_timespec_get_seconds(
+  struct timespec *_time
+)
+{
+  return _Timespec_Get_seconds( _time );
+}
+
+/**
+ * @brief Get Nanoseconds Portion of Timespec
+ *
+ *  This method returns the nanoseconds portion of the specified timespec
+ *
+ *  @param[in] _time points to the timespec
+ *
+ *  @return The nanoseconds portion of @a _time.
+ */
+RTEMS_INLINE_ROUTINE uint32_t rtems_timespec_get_nanoseconds(
+  struct timespec *_time
+)
+{
+  return _Timespec_Get_nanoseconds( _time );
+}
+
+
+/**
+ * @brief Timespec Greater Than Operator
+ *
+ *  This method is the greater than operator for timespecs.
+ *
+ *  @param[in] lhs is the left hand side timespec
+ *  @param[in] rhs is the right hand side timespec
+ *
+ *  @return This method returns true if @a lhs is greater than the @a rhs and
+ *          false otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool rtems_timespec_greater_than(
+  const struct timespec *_lhs,
+  const struct timespec *_rhs
+)
+{
+  return _Timespec_Greater_than( _lhs, _rhs );
+}
+/**
+ * @brief Timespec equal to Operator
+ *
+ *  This method is the is equal to than operator for timespecs.
+ *
+ *  @param[in] lhs is the left hand side timespec
+ *  @param[in] rhs is the right hand side timespec
+ *
+ *  @return This method returns true if @a lhs is equal to  @a rhs and
+ *          false otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool rtems_timespec_equal_to(
+  const struct timespec *lhs,
+  const struct timespec *rhs
+)
+{
+  return _Timespec_Equal_to( lhs, rhs);
+}
+
+/** @} */
+
+#endif
+/* end of include file */
diff --git a/cpukit/sapi/preinstall.am b/cpukit/sapi/preinstall.am
index e7c8e2a..ccc1bec 100644
--- a/cpukit/sapi/preinstall.am
+++ b/cpukit/sapi/preinstall.am
@@ -76,6 +76,10 @@ $(PROJECT_INCLUDE)/rtems/sptables.h: include/rtems/sptables.h $(PROJECT_INCLUDE)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/sptables.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/sptables.h
 
+$(PROJECT_INCLUDE)/rtems/timespec.h: include/rtems/timespec.h $(PROJECT_INCLUDE)/rtems/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/timespec.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/timespec.h
+
 $(PROJECT_INCLUDE)/rtems/chain.inl: inline/rtems/chain.inl $(PROJECT_INCLUDE)/rtems/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/chain.inl
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/chain.inl
@@ -92,6 +96,10 @@ $(PROJECT_INCLUDE)/rtems/rbtree.inl: inline/rtems/rbtree.inl $(PROJECT_INCLUDE)/
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/rbtree.inl
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/rbtree.inl
 
+$(PROJECT_INCLUDE)/rtems/timespec.inl: inline/rtems/timespec.inl $(PROJECT_INCLUDE)/rtems/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/timespec.inl
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/timespec.inl
+
 $(PROJECT_LIB)/libsapi.a: libsapi.a $(PROJECT_LIB)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_LIB)/libsapi.a
 TMPINSTALL_FILES += $(PROJECT_LIB)/libsapi.a
diff --git a/testsuites/sptests/Makefile.am b/testsuites/sptests/Makefile.am
index b2521f4..d791175 100644
--- a/testsuites/sptests/Makefile.am
+++ b/testsuites/sptests/Makefile.am
@@ -27,7 +27,7 @@ SUBDIRS = \
     spintrcritical17 spmkdir spmountmgr01 spheapprot \
     spsimplesched01 spsimplesched02 spsimplesched03 spnsext01 \
     spedfsched01 spedfsched02 spedfsched03 \
-    spcbssched01 spcbssched02 spcbssched03 spqreslib
+    spcbssched01 spcbssched02 spcbssched03 spqreslib sptimespec01
 
 include $(top_srcdir)/../automake/subdirs.am
 include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/sptests/configure.ac b/testsuites/sptests/configure.ac
index 322301f..d568c11 100644
--- a/testsuites/sptests/configure.ac
+++ b/testsuites/sptests/configure.ac
@@ -182,6 +182,7 @@ spsize/Makefile
 spstkalloc/Makefile
 spstkalloc02/Makefile
 spthreadq01/Makefile
+sptimespec01/Makefile
 spwatchdog/Makefile
 spwkspace/Makefile
 ])
diff --git a/testsuites/sptests/sptimespec01/Makefile.am b/testsuites/sptests/sptimespec01/Makefile.am
new file mode 100644
index 0000000..1131776
--- /dev/null
+++ b/testsuites/sptests/sptimespec01/Makefile.am
@@ -0,0 +1,21 @@
+
+rtems_tests_PROGRAMS = sptimespec01
+sptimespec01_SOURCES = init.c
+
+dist_rtems_tests_DATA = sptimespec01.scn
+dist_rtems_tests_DATA += sptimespec01.doc
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
+include $(top_srcdir)/../automake/compile.am
+include $(top_srcdir)/../automake/leaf.am
+
+AM_CPPFLAGS += -I$(top_srcdir)/../support/include
+
+LINK_OBJS = $(sptimespec01_OBJECTS) $(sptimespec01_LDADD)
+LINK_LIBS = $(sptimespec01_LDLIBS)
+
+sptimespec01$(EXEEXT): $(sptimespec01_OBJECTS) $(sptimespec01_DEPENDENCIES)
+	@rm -f sptimespec01$(EXEEXT)
+	$(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/sptests/sptimespec01/init.c b/testsuites/sptests/sptimespec01/init.c
new file mode 100644
index 0000000..c34334c
--- /dev/null
+++ b/testsuites/sptests/sptimespec01/init.c
@@ -0,0 +1,250 @@
+/*
+ *  Copyright (c) 2012-.
+ *  Krzysztof Miesowicz krzysztof.miesowicz at gmail.com
+ *  
+ *  COPYRIGHT (c) 1989-2012.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#include <tmacros.h>
+#include "test_support.h"
+#include <rtems/timespec.h>
+#include <rtems/score/tod.h>
+
+/* forward declarations to avoid warnings */
+rtems_task Init(rtems_task_argument argument);
+void test_add(void);
+void test_divide(void);
+void test_divide_by_integer(void);
+void test_compare(void);
+void test_validity(void);
+void test_subtract(void);
+void test_convert(void);
+
+struct timespec *timespec1;
+struct timespec *timespec2;
+struct timespec *tpointer;
+struct timespec ts1;
+struct timespec ts2;
+struct timespec notvalid={-20,-50}; /* set very invalid timespec */
+bool result;
+
+rtems_task Init(
+  rtems_task_argument argument
+)
+{
+  timespec1=&ts1;
+  timespec2=&ts2;
+
+  puts( "\n\n*** TEST sptimespec01 ***" );
+
+  test_add();
+  test_divide();
+  test_divide_by_integer();
+  test_compare();
+  test_validity();
+  test_subtract();
+  test_convert();
+
+  puts( "\n*** END OF TEST sptimespec01 ***" );
+
+  rtems_test_exit(0);
+}
+
+void test_add(){
+/* Basic add_to test. tv_nsec in result is in range 
+ * (less than TOD_NANOSECONDS_PER_SECOND) */
+  rtems_timespec_set(timespec1, 13, 300);
+  rtems_timespec_set(timespec2, 26, 5000);
+  rtems_timespec_add_to(timespec1, timespec2);
+  rtems_test_assert( (timespec1->tv_sec==39)&&(timespec1->tv_nsec==5300) );
+/* Another case. tv_nsec in result is greater than TOD_NANOSECONDS_PER_SECOND */
+  rtems_timespec_set(timespec1, 13, (TOD_NANOSECONDS_PER_SECOND-300));
+  rtems_timespec_set(timespec2, 26, 5000);
+  rtems_timespec_add_to(timespec1, timespec2);
+  rtems_test_assert( (timespec1->tv_sec==40)&&(timespec1->tv_nsec==4700) );
+
+  puts( "\n rtems_timespec_add_to test PASSED " );
+}
+
+void test_divide(){
+/* RTEMS_TIMESPEC_DIVIDE TEST -PART1- divide by non-zero timespec */
+  uint32_t ival_percentage, fval_percentage;
+  rtems_timespec_set(timespec1, 20, 5000);
+  rtems_timespec_set(timespec2, 61, 5000);
+  rtems_timespec_divide(
+    timespec1,
+    timespec2,
+    &ival_percentage,
+    &fval_percentage
+  );
+  rtems_test_assert( (ival_percentage==32) || (fval_percentage=786) );
+  puts( " rtems_timespace_divide test -part1- divide by non-zero PASSED" );
+
+
+/* RTEMS_TIMESPEC_DIVIDE TEST -PART2- divide by zero */
+  rtems_timespec_zero(timespec2);
+  rtems_timespec_divide(
+    timespec1,
+    timespec2, 
+    &ival_percentage, 
+    &fval_percentage
+  );
+  rtems_test_assert( (ival_percentage==0) && (fval_percentage==0) );
+  puts( " rtems_timespace_divide test -part2- divide by zero PASSED" );
+}
+
+void test_divide_by_integer(){
+/* RTEMS_TIMESPEC_DIVIDE_BY_INTEGER TEST - simple divide */
+  rtems_timespec_set(timespec1, 40, 4700);
+  rtems_timespec_divide_by_integer(timespec1, 30, timespec2);
+  rtems_test_assert( ((timespec2->tv_sec)==1) &&
+			((timespec2->tv_nsec)==333333490) );
+  puts( " rtems_timespec_divide_by_integer test PASSED" );
+
+}
+
+void test_compare(){
+/* Each case hit another single branch in timespeclessthan.c file */
+/* 
+ * Basic check if timespec1 is less than timespec2. Timespec1 has lower number
+ * of either seconds and nanoseconds.
+ */
+  rtems_timespec_set(timespec1,2,300);
+  rtems_timespec_set(timespec2,3,400);
+  result = rtems_timespec_less_than(timespec1,timespec2);
+  rtems_test_assert(result);
+/*
+ * Another check if timespec1 is less. Now number of seconds are equal in both
+ * timespec1 and timespec2. It hits another branch in rtems_timespec_less_than
+ * method.
+ */
+  rtems_timespec_set(timespec2,2,400);
+  result = rtems_timespec_less_than(timespec1,timespec2);
+  rtems_test_assert(result);
+/*
+ * Another check if timespec1 is less. In this case timespecs are equal so it
+ * should return false.
+ */
+  rtems_timespec_set(timespec2,2,300);
+  result = rtems_timespec_less_than(timespec1,timespec2);
+  rtems_test_assert(!result);
+/*
+ * Check if timespec1 is less. Both timespecs are equal on seconds, but 
+ * timespec2 has smaller number of nanoseconds.
+ */
+  rtems_timespec_set(timespec2,2,0);
+  result = rtems_timespec_less_than(timespec1,timespec2);
+  rtems_test_assert(!result);
+/* In this case timespec2 is smaller in both seconds and nanoseconds. */
+  rtems_timespec_set(timespec2,1,400);
+  result = rtems_timespec_less_than(timespec1,timespec2);
+  rtems_test_assert(!result);
+
+  puts( " rtems_timespec_less_than PASSED ");
+}
+
+void test_validity(){
+/* Each case hits another branch in timespecisvalid.c src file */
+  /* #1 INVALID - pointer to timespec is null */
+  result=rtems_timespec_is_valid(tpointer);	
+  rtems_test_assert(!result);
+
+  tpointer=¬valid; /* set pointer to invalid timespec */
+
+  /* #2 INVALID- tv_sec of timespec is less than 0 */
+  result=rtems_timespec_is_valid(tpointer);
+  rtems_test_assert(!result);
+  /* #3 INVALID- tv_nsec of timespec is less than 0 */
+  notvalid.tv_sec=20; /* correct seconds */
+  result=rtems_timespec_is_valid(tpointer);
+  rtems_test_assert(!result);
+  /* #4 INVALID- tv_nsec is not in the range - positive but too large */
+  notvalid.tv_nsec=TOD_NANOSECONDS_PER_SECOND+10; 
+  result=rtems_timespec_is_valid(tpointer);
+  rtems_test_assert(!result);
+  /* #5 VALID- valid timespec */
+  rtems_timespec_set(tpointer,13, 500);
+  result=rtems_timespec_is_valid(tpointer);
+  rtems_test_assert(result);
+
+  puts(" rtems_timespec_is_valid test PASSED");
+}
+
+void test_subtract(){
+/* 
+ * Simple subtraction, number of nanoseconds in timespec2 is less than in 
+ * timespec1.
+ */
+  rtems_timespec_set(timespec1,10, 800);
+  rtems_timespec_set(timespec2,13, 500);
+  rtems_timespec_subtract(timespec1,timespec2,tpointer);
+  rtems_test_assert( (tpointer->tv_sec==2) && 
+      (tpointer->tv_nsec==(TOD_NANOSECONDS_PER_SECOND-300)) );
+/* 
+ * Simple subtraction, number of nanoseconds in timespec2 is greater than in 
+ * timespec1. It hits another branch.
+ */ 
+  rtems_timespec_set(timespec1,10,200);
+  rtems_timespec_subtract(timespec1,timespec2,tpointer);
+  rtems_test_assert( (tpointer->tv_sec==3) && 
+      (tpointer->tv_nsec==300) );
+/* 
+ * Case when timespec2 (end) is less than timespec1 (start). It produce
+ * negative result.
+ */
+  rtems_timespec_set(timespec1,13,600);
+  rtems_timespec_subtract(timespec1,timespec2,tpointer);
+  rtems_test_assert( (tpointer->tv_sec==(-1)) && \
+      (tpointer->tv_nsec==999999900) );
+  puts(" rtems_timespec_subtract test PASSED");
+}
+
+void test_convert(){
+/* RTEMS_TIMESPEC_FROM_TICKS TEST - basic conversions */
+  uint32_t ticks=0;
+  rtems_timespec_from_ticks(ticks, timespec1);
+  rtems_test_assert( ((timespec1->tv_sec)==0) && ((timespec1->tv_nsec)==0) );
+  ticks=1008;
+  rtems_timespec_from_ticks(ticks, timespec2);
+  puts( " rtems_timespec_from_ticks PASSED ");
+
+/* RTEMS_TIMESPEC_TO_TICKS TEST - basic conversion - inverse to above ones */
+  ticks = rtems_timespec_to_ticks(timespec1);
+  rtems_test_assert(ticks==0);
+  ticks = rtems_timespec_to_ticks(timespec2);
+  rtems_test_assert(ticks==1008);
+/* 
+ * RTEMS_TIMESPEC_TO_TICKS TEST - test case when tv_nsec of timespec isn't 
+ * multiplicity of nanoseconds_per_tick. Due to that, calculated number of ticks
+ * should be increased by one.
+ */
+  uint32_t nanoseconds_per_tick;
+  uint32_t nanoseconds;
+  nanoseconds_per_tick  = rtems_configuration_get_nanoseconds_per_tick();
+  nanoseconds = timespec2->tv_nsec;
+  if( (nanoseconds % nanoseconds_per_tick)==0 )
+    nanoseconds += 1;
+  rtems_timespec_set(timespec1,timespec2->tv_sec,nanoseconds);
+  ticks = rtems_timespec_to_ticks(timespec1);
+  rtems_test_assert(ticks==1009);
+  puts( " rtems_timespec_from_ticks and rtems_timespec_to_ticks test PASSED");
+}
+
+
+/* configuration information */
+
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+
+#define CONFIGURE_MAXIMUM_TASKS             1
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
+/* end of file */
diff --git a/testsuites/sptests/sptimespec01/sptimespec01.doc b/testsuites/sptests/sptimespec01/sptimespec01.doc
new file mode 100644
index 0000000..87aae46
--- /dev/null
+++ b/testsuites/sptests/sptimespec01/sptimespec01.doc
@@ -0,0 +1,30 @@
+#  COPYRIGHT (c) 1989-2011.
+#  On-Line Applications Research Corporation (OAR).
+#
+#  Copyright (c) 2012
+#  Krzysztof Miesowicz
+#
+#  The license and distribution terms for this file may be
+#  found in the file LICENSE in this distribution or at
+#  http://www.rtems.com/license/LICENSE.
+#
+
+This file describes the directives and concepts tested by this test set.
+
+test set name:  sp78
+
+directives:
+
+  + rtems_timespec_is_valid
+  + rtems_timespec_less_than
+  + rtems_timespec_add_to
+  + rtems_timespec_to_ticks
+  + rtems_timespec_from_ticks
+  + rtems_timespec_subtract
+  + rtems_timespec_divide_by_integer
+  + rtems_timespec_divide
+
+concepts:
+
+ This test's goal is to ensure if all timespec's related directives work as 
+ expected.
diff --git a/testsuites/sptests/sptimespec01/sptimespec01.scn b/testsuites/sptests/sptimespec01/sptimespec01.scn
new file mode 100644
index 0000000..96d5cc6
--- /dev/null
+++ b/testsuites/sptests/sptimespec01/sptimespec01.scn
@@ -0,0 +1,13 @@
+*** TEST sptimespec01 ***
+
+ rtems_timespec_add_to test PASSED 
+ rtems_timespace_divide test -part1- divide by non-zero PASSED
+ rtems_timespace_divide test -part2- divide by zero PASSED
+ rtems_timespec_divide_by_integer test PASSED
+ rtems_timespec_less_than PASSED 
+ rtems_timespec_is_valid test PASSED
+ rtems_timespec_subtract test PASSED
+ rtems_timespec_from_ticks PASSED 
+ rtems_timespec_from_ticks and rtems_timespec_to_ticks test PASSED
+
+*** END OF TEST sptimespec01 ***




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