Diff: mbed-os/TESTS/mbedmicro-rtos-mbed/signals/main.cpp

Revision:

0:e056ac8fecf8

diff -r 000000000000 -r e056ac8fecf8 mbed-os/TESTS/mbedmicro-rtos-mbed/signals/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/TESTS/mbedmicro-rtos-mbed/signals/main.cpp	Tue Mar 13 07:17:50 2018 +0000
@@ -0,0 +1,408 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2017 ARM Limited
+ *
+ * Licensed 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.
+ */
+#include "mbed.h"
+#include "greentea-client/test_env.h"
+#include "utest/utest.h"
+#include "unity/unity.h"
+
+using utest::v1::Case;
+
+
+#if defined(MBED_RTOS_SINGLE_THREAD)
+  #error [NOT_SUPPORTED] test not supported
+#endif
+
+#define TEST_STACK_SIZE   512
+#define MAX_FLAG_POS 30
+
+#define ALL_SIGNALS       0x7fffffff
+#define NO_SIGNALS        0x0
+#define PROHIBITED_SIGNAL 0x80000000
+#define SIGNAL1 0x1
+#define SIGNAL2 0x2
+#define SIGNAL3 0x4
+
+struct Sync {
+    Sync(Semaphore &parent, Semaphore &child): sem_parent(parent), sem_child(child)
+    {}
+
+    Semaphore &sem_parent;
+    Semaphore &sem_child;
+};
+
+
+/* In order to successfully run this test suite when compiled with --profile=debug
+ * error() has to be redefined as noop.
+ *
+ * ThreadFlags calls RTX API which uses Event Recorder functionality. When compiled
+ * with MBED_TRAP_ERRORS_ENABLED=1 (set in debug profile) EvrRtxEventFlagsError() calls error()
+ * which aborts test program.
+ */
+#if defined(MBED_TRAP_ERRORS_ENABLED) && MBED_TRAP_ERRORS_ENABLED
+void error(const char* format, ...) {
+    (void) format;
+}
+#endif
+
+
+template <int32_t signals, uint32_t timeout, int32_t test_val>
+void run_signal_wait(void)
+{
+    osEvent ev = Thread::signal_wait(signals, timeout);
+    TEST_ASSERT_EQUAL(test_val, ev.status);
+}
+
+template <int32_t signals, uint32_t timeout, int32_t test_val>
+void run_release_signal_wait(Semaphore *sem)
+{
+    sem->release();
+    osEvent ev = Thread::signal_wait(signals, timeout);
+    TEST_ASSERT_EQUAL(test_val, ev.status);
+}
+
+template <int32_t signals, uint32_t timeout, int32_t test_val>
+void run_release_wait_signal_wait(Sync *sync)
+{
+    sync->sem_parent.release();
+    sync->sem_child.wait();
+    osEvent ev = Thread::signal_wait(signals, timeout);
+    TEST_ASSERT_EQUAL(test_val, ev.status);
+}
+
+template <int32_t signals, int32_t test_val>
+void run_clear(void)
+{
+    int32_t ret = Thread::signal_clr(signals);
+    TEST_ASSERT_EQUAL(test_val, ret);
+}
+
+template <int32_t signals, int32_t test_val>
+void run_wait_clear(Sync *sync)
+{
+    sync->sem_parent.release();
+    sync->sem_child.wait();
+    int32_t ret = Thread::signal_clr(signals);
+    TEST_ASSERT_EQUAL(test_val, ret);
+}
+
+template <int32_t signals1, int32_t signals2, int32_t test_val1, int32_t test_val2>
+void run_double_wait_clear(Sync *sync)
+{
+    int32_t ret;
+
+    sync->sem_parent.release();
+    sync->sem_child.wait();
+    ret = Thread::signal_clr(signals1);
+    TEST_ASSERT_EQUAL(test_val1, ret);
+
+    ret = Thread::signal_clr(signals2);
+    TEST_ASSERT_EQUAL(test_val2, ret);
+}
+
+void run_loop_wait_clear(Sync *sync)
+{
+    int32_t signals = NO_SIGNALS;
+    for (int i = 0; i <= MAX_FLAG_POS; i++) {
+        int32_t signal = 1 << i;
+        signals |= signal;
+        sync->sem_child.wait();
+        int32_t ret = Thread::signal_clr(NO_SIGNALS);
+        TEST_ASSERT_EQUAL(signals, ret);
+        sync->sem_parent.release();
+    }
+}
+
+
+/** Validate that call signal_clr(NO_SIGNALS) doesn't change thread signals and return actual signals
+
+    Given two threads A & B are started, B with all signals already set
+    When thread B calls @a signal_clr(NO_SIGNALS)
+    Then thread B @a signal_clr status should be ALL_SIGNALS indicating that thread B state is unchanged
+ */
+void test_clear_no_signals(void)
+{
+    Semaphore sem_parent(0, 1);
+    Semaphore sem_child(0, 1);
+    Sync sync(sem_parent, sem_child);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_double_wait_clear<NO_SIGNALS, NO_SIGNALS, ALL_SIGNALS, ALL_SIGNALS>, &sync));
+    sem_parent.wait();
+    t.signal_set(ALL_SIGNALS);
+    sem_child.release();
+    t.join();
+}
+
+/** Validate if any signals are set on just created thread
+
+    Given the thread is running
+    When thread execute @a signal_clr(NO_SIGNALS)
+    Then thread @a signal_clr return status should be NO_SIGNALS(0) indicating no signals set
+ */
+void test_init_state(void)
+{
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_clear<NO_SIGNALS, NO_SIGNALS>));
+    t.join();
+}
+
+/** Validate all signals set in one shot
+
+    Given two threads A & B are started
+    When thread A call @a signal_set(ALL_SIGNALS) with all possible signals
+    Then thread B @a signal_clr(NO_SIGNALS) status should be ALL_SIGNALS indicating all signals set correctly
+ */
+void test_set_all(void)
+{
+    int32_t ret;
+    Semaphore sem_parent(0, 1);
+    Semaphore sem_child(0, 1);
+    Sync sync(sem_parent, sem_child);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_wait_clear<NO_SIGNALS, ALL_SIGNALS>, &sync));
+
+    sem_parent.wait();
+    ret = t.signal_set(ALL_SIGNALS);
+    TEST_ASSERT_EQUAL(ALL_SIGNALS, ret);
+
+    sem_child.release();
+    t.join();
+}
+
+/** Validate that call signal_set with prohibited signal doesn't change thread signals
+
+    Given two threads A & B are started, B with all signals set
+    When thread A executes @a signal_set(PROHIBITED_SIGNAL) with prohibited signal
+    Then thread B @a signal_clr(NO_SIGNALS) status should be ALL_SIGNALS indicating that thread B signals are unchanged
+
+    @note Each signal has up to 31 event flags 0x1, 0x2, 0x4, 0x8, ...,  0x40000000
+          Most significant bit is reserved and thereby flag 0x80000000 is prohibited
+ */
+void test_set_prohibited(void)
+{
+    int32_t ret;
+    Semaphore sem_parent(0, 1);
+    Semaphore sem_child(0, 1);
+    Sync sync(sem_parent, sem_child);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_wait_clear<NO_SIGNALS, ALL_SIGNALS>, &sync));
+
+    sem_parent.wait();
+    t.signal_set(ALL_SIGNALS);
+
+    ret = t.signal_set(PROHIBITED_SIGNAL);
+    TEST_ASSERT_EQUAL(osErrorParameter, ret);
+
+    sem_child.release();
+    t.join();
+}
+
+/** Validate all signals clear in one shot
+
+    Given two threads A & B are started, B with all signals set
+    When thread B execute @a signal_clr(ALL_SIGNALS) with all possible signals
+    Then thread B @a signal_clr(NO_SIGNALS) status should be NO_SIGNALS(0) indicating all signals cleared correctly
+ */
+void test_clear_all(void)
+{
+    Semaphore sem_parent(0, 1);
+    Semaphore sem_child(0, 1);
+    Sync sync(sem_parent, sem_child);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_double_wait_clear<ALL_SIGNALS, NO_SIGNALS, ALL_SIGNALS, NO_SIGNALS>, &sync));
+    sem_parent.wait();
+    t.signal_set(ALL_SIGNALS);
+    sem_child.release();
+    t.join();
+}
+
+/** Validate all signals set one by one in loop
+
+    Given two threads A & B are started
+    When thread A executes @a signal_set(signal) in loop with all possible signals
+ */
+void test_set_all_loop(void)
+{
+    int32_t ret;
+    Semaphore sem_parent(0, 1);
+    Semaphore sem_child(0, 1);
+    Sync sync(sem_parent, sem_child);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_loop_wait_clear, &sync));
+
+    int32_t signals = 0;
+    for (int i = 0; i <= MAX_FLAG_POS; i++) {
+        int32_t signal = 1 << i;
+
+        ret = t.signal_set(signal);
+        signals |= signal;
+        TEST_ASSERT_EQUAL(signals, ret);
+        sem_child.release();
+        sem_parent.wait();
+    }
+    t.join();
+}
+
+/** Validate signal_wait return status if timeout specified
+
+    Given the thread is running
+    When thread executes @a signal_wait(signals, timeout) with specified signals and timeout
+    Then thread @a signal_wait status should be osEventTimeout indicating a timeout
+         thread @a signal_wait status should be osOK indicating 0[ms] timeout set
+ */
+template <int32_t signals, uint32_t timeout, int32_t status>
+void test_wait_timeout(void)
+{
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_signal_wait<signals, timeout, status>));
+    t.join();
+}
+
+/** Validate that call of signal_wait return correctly when thread has all signals already set
+
+    Given two threads A & B are started, B with all signals already set
+    When thread B executes @a signal_wait(ALL_SIGNALS, osWaitForever),
+    Then thread B @a signal_wait return immediately with status osEventSignal indicating all wait signals was already set
+ */
+void test_wait_all_already_set(void)
+{
+    Semaphore sem_parent(0, 1);
+    Semaphore sem_child(0, 1);
+    Sync sync(sem_parent, sem_child);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_release_wait_signal_wait<ALL_SIGNALS, osWaitForever, osEventSignal>, &sync));
+
+    sem_parent.wait();
+    TEST_ASSERT_EQUAL(Thread::WaitingSemaphore, t.get_state());
+    t.signal_set(ALL_SIGNALS);
+    sem_child.release();
+    t.join();
+}
+
+/** Validate if signal_wait return correctly when all signals set
+
+    Given two threads A & B are started and B waiting for a thread flag to be set
+    When thread A executes @a signal_set(ALL_SIGNALS) with all possible signals
+    Then thread B @a signal_wait status is osEventSignal indicating all wait signals was set
+ */
+void test_wait_all(void)
+{
+    Semaphore sem(0, 1);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_release_signal_wait<ALL_SIGNALS, osWaitForever, osEventSignal>, &sem));
+
+    sem.wait();
+    TEST_ASSERT_EQUAL(Thread::WaitingThreadFlag, t.get_state());
+
+    t.signal_set(ALL_SIGNALS);
+    t.join();
+}
+
+/** Validate if signal_wait accumulate signals and return correctly when all signals set
+
+    Given two threads A & B are started and B waiting for a thread signals to be set
+    When thread A executes @a signal_set setting all signals in loop
+    Then thread B @a signal_wait status is osEventSignal indicating that all wait signals was set
+ */
+void test_wait_all_loop(void)
+{
+    int32_t ret;
+    Semaphore sem(0, 1);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_release_signal_wait<ALL_SIGNALS, osWaitForever, osEventSignal>, &sem));
+
+    sem.wait();
+    TEST_ASSERT_EQUAL(Thread::WaitingThreadFlag, t.get_state());
+
+    for (int i = 0; i < MAX_FLAG_POS; i++) {
+        int32_t signal = 1 << i;
+        ret = t.signal_set(signal);
+    }
+    ret = t.signal_set(1 << MAX_FLAG_POS);
+    TEST_ASSERT_EQUAL(NO_SIGNALS, ret);
+    t.join();
+}
+
+/** Validate if setting same signal twice cause any unwanted behaviour
+
+    Given two threads A & B are started and B waiting for a thread signals to be set
+    When thread A executes @a signal_set twice for the same signal
+    Then thread A @a signal_set status is current signal set
+         thread B @a signal_wait status is osEventSignal indicating that all wait signals was set
+ */
+void test_set_double(void)
+{
+    int32_t ret;
+    Semaphore sem(0, 1);
+
+    Thread t(osPriorityNormal, TEST_STACK_SIZE);
+    t.start(callback(run_release_signal_wait<SIGNAL1|SIGNAL2|SIGNAL3, osWaitForever, osEventSignal>, &sem));
+
+    sem.wait();
+    TEST_ASSERT_EQUAL(Thread::WaitingThreadFlag, t.get_state());
+
+    ret = t.signal_set(SIGNAL1);
+    TEST_ASSERT_EQUAL(SIGNAL1, ret);
+
+    ret = t.signal_set(SIGNAL2);
+    TEST_ASSERT_EQUAL(SIGNAL1 | SIGNAL2, ret);
+
+    ret = t.signal_set(SIGNAL2);
+    TEST_ASSERT_EQUAL(SIGNAL1 | SIGNAL2, ret);
+    TEST_ASSERT_EQUAL(Thread::WaitingThreadFlag, t.get_state());
+
+    ret = t.signal_set(SIGNAL3);
+    TEST_ASSERT_EQUAL(NO_SIGNALS, ret);
+    t.join();
+}
+
+
+utest::v1::status_t test_setup(const size_t number_of_cases)
+{
+    GREENTEA_SETUP(10, "default_auto");
+    return utest::v1::verbose_test_setup_handler(number_of_cases);
+}
+
+Case cases[] = {
+    Case("Validate that call signal_clr(NO_SIGNALS) doesn't change thread signals and return actual signals", test_clear_no_signals),
+    Case("Validate if any signals are set on just created thread", test_init_state),
+    Case("Validate all signals set in one shot", test_set_all),
+    Case("Validate that call signal_set with prohibited signal doesn't change thread signals", test_set_prohibited),
+    Case("Validate all signals clear in one shot", test_clear_all),
+    Case("Validate all signals set one by one in loop", test_set_all_loop),
+    Case("Validate signal_wait return status if timeout specified: 0[ms] no signals", test_wait_timeout<0, 0, osOK>),
+    Case("Validate signal_wait return status if timeout specified: 0[ms] all signals", test_wait_timeout<ALL_SIGNALS, 0, osOK>),
+    Case("Validate signal_wait return status if timeout specified: 1[ms] no signals", test_wait_timeout<0, 1, osEventTimeout>),
+    Case("Validate signal_wait return status if timeout specified: 1[ms] all signals", test_wait_timeout<ALL_SIGNALS, 1, osEventTimeout>),
+    Case("Validate that call of signal_wait return correctly when thread has all signals already set", test_wait_all_already_set),
+    Case("Validate if signal_wait return correctly when all signals set", test_wait_all),
+    Case("Validate if signal_wait accumulate signals and return correctly when all signals set", test_wait_all_loop),
+    Case("Validate if setting same signal twice cause any unwanted behaviour", test_set_double)
+};
+
+utest::v1::Specification specification(test_setup, cases);
+
+int main()
+{
+    return !utest::v1::Harness::run(specification);
+}