tests: kernel: posix: add pthread tests

This test verifies pthread_equal returns the
expected values.

Signed-off-by: Niranjhana N <[email protected]>

Author: Niranjhana N

tests/kernel/posix/pthread_equal/CMakeLists.txt

@@ -0,0 +1,6 @@
+include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
+project(NONE)
+
+target_include_directories(app PRIVATE $ENV{ZEPHYR_BASE}/include/posix)
+FILE(GLOB app_sources src/*.c)
+target_sources(app PRIVATE ${app_sources})

tests/kernel/posix/pthread_equal/prj.conf

@@ -0,0 +1,2 @@
+CONFIG_ZTEST=y
+CONFIG_PTHREAD_IPC=y

tests/kernel/posix/pthread_equal/src/pthread_equal.c

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2018 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <pthread.h>
+#include <ztest.h>
+
+#define STACKSZ 1024
+
+pthread_t thread;
+
+K_THREAD_STACK_ARRAY_DEFINE(stacks, 1, STACKSZ);
+
+void *thread_top(void *p1)
+{
+	thread = pthread_self();
+	pthread_exit(NULL);
+	return NULL;
+}
+
+void test_pthread_equal(void)
+{
+	int ret = 1;
+	pthread_attr_t attr;
+	struct sched_param schedparam;
+	pthread_t newthread;
+
+	pthread_attr_init(&attr);
+	schedparam.priority = 2;
+	pthread_attr_setschedparam(&attr, &schedparam);
+	pthread_attr_setstack(&attr, &stacks[0][0], STACKSZ);
+
+	ret = pthread_create(&newthread, &attr, thread_top,
+			(void *)0);
+
+	/*TESTPOINT: Check if thread is created*/
+	zassert_false(ret, "attempt to create thread failed\n");
+
+	pthread_join(newthread, NULL);
+
+	/*TESTPOINT: Check if threads are equal*/
+	zassert_true(pthread_equal(newthread, thread),
+			"thread IDs should be equal! exiting...\n");
+
+	/*TESTPOINT: Check case when threads are not equal*/
+	zassert_false(pthread_equal(newthread, k_current_get()),
+			"thread IDs cannot be equal! exiting...\n");
+}
+
+void test_main(void)
+{
+	ztest_test_suite(test_pthreads_equal,
+			ztest_unit_test(test_pthread_equal));
+	ztest_run_test_suite(test_pthreads_equal);
+}

tests/kernel/posix/pthread_equal/testcase.yaml

@@ -0,0 +1,3 @@
+tests:
+  test:
+    tags: core