/*
 * Copyright (c) 2017 Cisco and/or its affiliates.
 * 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 the file(s) containing the functions to be tested.
// This permits internal static functions to be visible to this Test Framework.
#include "../parc_RingBuffer_NxM.c"

#include <parc/algol/parc_SafeMemory.h>
#include <LongBow/unit-test.h>

LONGBOW_TEST_RUNNER(parc_RingBuffer_NxM)
{
    // The following Test Fixtures will run their corresponding Test Cases.
    // Test Fixtures are run in the order specified, but all tests should be idempotent.
    // Never rely on the execution order of tests or share state between them.
    LONGBOW_RUN_TEST_FIXTURE(Global);
    LONGBOW_RUN_TEST_FIXTURE(Local);
}

// The Test Runner calls this function once before any Test Fixtures are run.
LONGBOW_TEST_RUNNER_SETUP(parc_RingBuffer_NxM)
{
    return LONGBOW_STATUS_SUCCEEDED;
}

// The Test Runner calls this function once after all the Test Fixtures are run.
LONGBOW_TEST_RUNNER_TEARDOWN(parc_RingBuffer_NxM)
{
    return LONGBOW_STATUS_SUCCEEDED;
}

LONGBOW_TEST_FIXTURE(Global)
{
}

LONGBOW_TEST_FIXTURE_SETUP(Global)
{
    return LONGBOW_STATUS_SUCCEEDED;
}

LONGBOW_TEST_FIXTURE_TEARDOWN(Global)
{
    uint32_t outstandingAllocations = parcSafeMemory_ReportAllocation(STDERR_FILENO);
    if (outstandingAllocations != 0) {
        printf("Tests leak memory by %d allocations\n", outstandingAllocations);
        return LONGBOW_STATUS_MEMORYLEAK;
    }
    return LONGBOW_STATUS_SUCCEEDED;
}

LONGBOW_TEST_FIXTURE(Local)
{
    LONGBOW_RUN_TEST_CASE(Local, _destroy);
}

LONGBOW_TEST_FIXTURE_SETUP(Local)
{
    return LONGBOW_STATUS_SUCCEEDED;
}

LONGBOW_TEST_FIXTURE_TEARDOWN(Local)
{
    return LONGBOW_STATUS_SUCCEEDED;
}

static void
_testDestoryer(void **ptr)
{
    parcBuffer_Release((PARCBuffer **) ptr);
}

LONGBOW_TEST_CASE(Local, _destroy)
{
    // put something in the ring and don't remove it.  Make sure the destroyer catches it.

    uint32_t capacity = 128;
    PARCRingBufferNxM *ring = parcRingBufferNxM_Create(capacity, _testDestoryer);

    PARCBuffer *buffer = parcBuffer_Allocate(5);
    parcRingBufferNxM_Put(ring, buffer);

    parcRingBufferNxM_Release(&ring);
    assertTrue(parcMemory_Outstanding() == 0, "Memory imbalance, expected 0 got %u", parcMemory_Outstanding());
}

int
main(int argc, char *argv[])
{
    LongBowRunner *testRunner = LONGBOW_TEST_RUNNER_CREATE(parc_RingBuffer_NxM);
    int exitStatus = LONGBOW_TEST_MAIN(argc, argv, testRunner);
    longBowTestRunner_Destroy(&testRunner);
    exit(exitStatus);
}