ostest: add test for libc memmem() function
Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
diff --git a/testing/ostest/CMakeLists.txt b/testing/ostest/CMakeLists.txt
index 3aa8a67..f0f882c 100644
--- a/testing/ostest/CMakeLists.txt
+++ b/testing/ostest/CMakeLists.txt
@@ -20,7 +20,14 @@
if(CONFIG_TESTING_OSTEST)
- set(SRCS getopt.c restart.c sigprocmask.c sighand.c signest.c sighelper.c)
+ set(SRCS
+ getopt.c
+ libc_memmem.c
+ restart.c
+ sigprocmask.c
+ sighand.c
+ signest.c
+ sighelper.c)
if(CONFIG_DEV_NULL)
list(APPEND SRCS dev_null.c)
diff --git a/testing/ostest/Makefile b/testing/ostest/Makefile
index 88dffd9..9f47219 100644
--- a/testing/ostest/Makefile
+++ b/testing/ostest/Makefile
@@ -29,8 +29,9 @@
# NuttX OS Test
-CSRCS = getopt.c restart.c sigprocmask.c sighand.c signest.c
-CSRCS += sighelper.c
+CSRCS = getopt.c libc_memmem.c restart.c sigprocmask.c sighand.c \
+ signest.c sighelper.c
+
MAINSRC = ostest_main.c
ifeq ($(CONFIG_DEV_NULL),y)
diff --git a/testing/ostest/libc_memmem.c b/testing/ostest/libc_memmem.c
new file mode 100644
index 0000000..25d38c7
--- /dev/null
+++ b/testing/ostest/libc_memmem.c
@@ -0,0 +1,70 @@
+/****************************************************************************
+ * apps/testing/ostest/libc_memmem.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <assert.h>
+#include <string.h>
+
+#include "ostest.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int memmem_test(void)
+{
+ char *haystack = "hello";
+ char *s;
+
+ s = memmem(haystack, 5, "hel", 3);
+ ASSERT(s == haystack);
+
+ s = memmem(haystack, 5, "lo", 2);
+ ASSERT(s == haystack + 3);
+
+ s = memmem(haystack, 5, "hello", 5);
+ ASSERT(s == haystack);
+
+ /* Compare '\0' bytes at string ends. */
+
+ s = memmem(haystack, 6, "o", 2);
+ ASSERT(s == haystack + 4);
+
+ /* Must not find needle that is right after end of haystack. */
+
+ s = memmem("helloX", 5, "X", 1);
+ ASSERT(s == NULL);
+
+ /* Too long needle should return NULL. */
+
+ s = memmem(haystack, 5, "hellohello", 10);
+ ASSERT(s == NULL);
+
+ /* Zero length needle is deemed to reside at start of haystack. */
+
+ s = memmem(haystack, 5, "", 0);
+ ASSERT(s == haystack);
+
+ return OK;
+}
diff --git a/testing/ostest/ostest.h b/testing/ostest/ostest.h
index e169f4b..5f6c8d4 100644
--- a/testing/ostest/ostest.h
+++ b/testing/ostest/ostest.h
@@ -91,6 +91,10 @@
int getopt_test(void);
+/* libc_memmem.c ************************************************************/
+
+int memmem_test(void);
+
/* setvbuf.c ****************************************************************/
#ifndef CONFIG_STDIO_DISABLE_BUFFERING
diff --git a/testing/ostest/ostest_main.c b/testing/ostest/ostest_main.c
index 18ef0d9..b7697d2 100644
--- a/testing/ostest/ostest_main.c
+++ b/testing/ostest/ostest_main.c
@@ -260,6 +260,12 @@
getopt_test();
check_test_memory_usage();
+ /* Test misc libc functions. */
+
+ printf("\nuser_main: libc tests\n");
+ memmem_test();
+ check_test_memory_usage();
+
/* If retention of child status is enable, then suppress it for this task.
* This task may produce many, many children (especially if
* CONFIG_TESTING_OSTEST_LOOPS) and it does not harvest their exit status.
