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#include "apr_env.h"
#include "apr_errno.h"
#include "test_apr.h"

#define TEST_ENVVAR_NAME "apr_test_envvar"
#define TEST_ENVVAR_VALUE "Just a value that we'll check"

static int have_env_set;
static int have_env_get;

static void test_setenv(CuTest *tc)
{
    apr_status_t rv;

    rv = apr_env_set(TEST_ENVVAR_NAME, TEST_ENVVAR_VALUE, p);
    have_env_set = (rv != APR_ENOTIMPL);
    if (!have_env_set) {
        CuNotImpl(tc, "apr_env_set");
    }
    apr_assert_success(tc, "set environment variable", rv);
}

static void test_getenv(CuTest *tc)
{
    char *value;
    apr_status_t rv;

    if (!have_env_set) {
        CuNotImpl(tc, "apr_env_set (skip test for apr_env_get)");
    }

    rv = apr_env_get(&value, TEST_ENVVAR_NAME, p);
    have_env_get = (rv != APR_ENOTIMPL);
    if (!have_env_get) {
        CuNotImpl(tc, "apr_env_get");
    }
    apr_assert_success(tc, "get environment variable", rv);
    CuAssertStrEquals(tc, TEST_ENVVAR_VALUE, value);
}

static void test_delenv(CuTest *tc)
{
    char *value;
    apr_status_t rv;

    if (!have_env_set) {
        CuNotImpl(tc, "apr_env_set (skip test for apr_env_delete)");
    }

    rv = apr_env_delete(TEST_ENVVAR_NAME, p);
    if (rv == APR_ENOTIMPL) {
        CuNotImpl(tc, "apr_env_delete");
    }
    apr_assert_success(tc, "delete environment variable", rv);

    if (!have_env_get) {
        CuNotImpl(tc, "apr_env_get (skip sanity check for apr_env_delete)");
    }
    rv = apr_env_get(&value, TEST_ENVVAR_NAME, p);
    CuAssertIntEquals(tc, APR_ENOENT, rv);
}

CuSuite *testenv(void)
{
    CuSuite *suite = CuSuiteNew("Environment");

    SUITE_ADD_TEST(suite, test_setenv);
    SUITE_ADD_TEST(suite, test_getenv);
    SUITE_ADD_TEST(suite, test_delenv);

    return suite;
}