diff mbox

[v2] validation: add odp_time test

Message ID 1419869338-7781-1-git-send-email-mike.holmes@linaro.org
State Superseded
Headers show

Commit Message

Mike Holmes Dec. 29, 2014, 4:08 p.m. UTC 
Add odp_time_x API tests

Signed-off-by: Mike Holmes <mike.holmes@linaro.org>
---
v2:
fix bad auto merge of Makefile.am
clean up names

 test/validation/.gitignore  |  1 +
 test/validation/Makefile.am |  5 ++--
 test/validation/odp_time.c  | 71 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+), 2 deletions(-)
 create mode 100644 test/validation/odp_time.c
diff mbox

Patch

diff --git a/test/validation/.gitignore b/test/validation/.gitignore
index d08db73..40ea12d 100644
--- a/test/validation/.gitignore
+++ b/test/validation/.gitignore
@@ -8,3 +8,4 @@  odp_shm
 odp_system
 odp_pktio
 odp_buffer
+odp_time
diff --git a/test/validation/Makefile.am b/test/validation/Makefile.am
index c0545b7..692e1a6 100644
--- a/test/validation/Makefile.am
+++ b/test/validation/Makefile.am
@@ -6,9 +6,9 @@  AM_LDFLAGS += -static
 TESTS_ENVIRONMENT = ODP_PLATFORM=${with_platform}
 
 if ODP_CUNIT_ENABLED
-TESTS = odp_init odp_queue odp_crypto odp_shm odp_schedule odp_pktio_run odp_buffer odp_system
+TESTS = odp_init odp_queue odp_crypto odp_shm odp_schedule odp_pktio_run odp_buffer odp_system odp_time
 check_PROGRAMS = ${bin_PROGRAMS}
-bin_PROGRAMS = odp_init odp_queue odp_crypto odp_shm odp_schedule odp_pktio odp_buffer odp_system
+bin_PROGRAMS = odp_init odp_queue odp_crypto odp_shm odp_schedule odp_pktio odp_buffer odp_system odp_time
 odp_crypto_CFLAGS = $(AM_CFLAGS) -I$(srcdir)/crypto
 odp_buffer_CFLAGS = $(AM_CFLAGS) -I$(srcdir)/buffer
 endif
@@ -27,3 +27,4 @@  dist_odp_buffer_SOURCES = buffer/odp_buffer_pool_test.c \
 			  buffer/odp_packet_test.c \
 			  odp_buffer.c common/odp_cunit_common.c
 dist_odp_system_SOURCES = odp_system.c common/odp_cunit_common.c
+dist_odp_time_SOURCES = odp_time.c common/odp_cunit_common.c
diff --git a/test/validation/odp_time.c b/test/validation/odp_time.c
new file mode 100644
index 0000000..75be1f0
--- /dev/null
+++ b/test/validation/odp_time.c
@@ -0,0 +1,71 @@ 
+/* Copyright (c) 2014, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <odp.h>
+#include "odp_cunit_common.h"
+
+#define TOLERANCE 1
+#define BUSY_LOOP_CNT 100
+
+/* check that a cycles difference gives a reasonable result */
+static void test_odp_cycles_diff(void)
+{
+	/* volatile to stop optimization of busy loop */
+	volatile int count;
+	uint64_t diff, cycles1, cycles2;
+
+	cycles1 = odp_time_cycles();
+
+	while (count < BUSY_LOOP_CNT) {
+		count++;
+	};
+
+	cycles2 = odp_time_cycles();
+	CU_ASSERT(cycles2 > cycles1);
+
+	diff = odp_time_diff_cycles(cycles1, cycles2);
+	CU_ASSERT(diff > 0);
+}
+
+/* check that a negative cycles difference gives a reasonable result */
+static void test_odp_cycles_negative_diff(void)
+{
+	uint64_t diff, cycles1, cycles2;
+	cycles1 = 10;
+	cycles2 = 5;
+	diff = odp_time_diff_cycles(cycles1, cycles2);
+	CU_ASSERT(diff > 0);
+}
+
+/* check that related conversions come back to the same value */
+static void test_odp_time_conversion(void)
+{
+	uint64_t ns1, ns2, cycles;
+	uint64_t upper_limit, lower_limit;
+	ns1 = 100;
+	cycles = odp_time_ns_to_cycles(ns1);
+	CU_ASSERT(cycles > 0);
+
+	ns2 = odp_time_cycles_to_ns(cycles);
+
+	/* need to check within arithmetic tolerance that the same
+	 * value in ns is returned after conversions */
+	upper_limit = ns1 + TOLERANCE;
+	lower_limit = ns1 - TOLERANCE;
+	CU_ASSERT((ns2 <= upper_limit) && (ns2 >= lower_limit));
+}
+
+CU_TestInfo test_odp_time[] = {
+	{"cycles diff", test_odp_cycles_diff},
+	{"negative diff", test_odp_cycles_negative_diff},
+	{"conversion", test_odp_time_conversion},
+	 CU_TEST_INFO_NULL
+};
+
+CU_SuiteInfo odp_testsuites[] = {
+		{"Time", NULL, NULL, NULL, NULL, test_odp_time},
+		 CU_SUITE_INFO_NULL
+};