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/*

 * String Output Visitor unit-tests.

 *

 * Copyright (C) 2012 Red Hat Inc.

 *

 * Authors:

 *  Paolo Bonzini <pbonzini@redhat.com> (based on test-qmp-output-visitor)

 *

 * This work is licensed under the terms of the GNU GPL, version 2 or later.

 * See the COPYING file in the top-level directory.

 */

#include <glib.h>

#include "qemu-common.h"

#include "qapi/string-output-visitor.h"

#include "test-qapi-types.h"

#include "test-qapi-visit.h"

#include "qapi/qmp/types.h"

typedef struct TestOutputVisitorData {

    StringOutputVisitor *sov;

    Visitor *ov;

} TestOutputVisitorData;

static void visitor_output_setup(TestOutputVisitorData *data,

                                 const void *unused)

{

    data->sov = string_output_visitor_new(false);

    g_assert(data->sov != NULL);

    data->ov = string_output_get_visitor(data->sov);

    g_assert(data->ov != NULL);

}

static void visitor_output_teardown(TestOutputVisitorData *data,

                                    const void *unused)

{

    string_output_visitor_cleanup(data->sov);

    data->sov = NULL;

    data->ov = NULL;

}

static void test_visitor_out_int(TestOutputVisitorData *data,

                                 const void *unused)

{

    int64_t value = -42;

    Error *errp = NULL;

    char *str;

    visit_type_int(data->ov, &value, NULL, &errp);

    g_assert(!errp);

    str = string_output_get_string(data->sov);

    g_assert(str != NULL);

    g_assert_cmpstr(str, ==, "-42");

    g_free(str);

}

static void test_visitor_out_bool(TestOutputVisitorData *data,

                                  const void *unused)

{

    Error *errp = NULL;

    bool value = true;

    char *str;

    visit_type_bool(data->ov, &value, NULL, &errp);

    g_assert(!errp);

    str = string_output_get_string(data->sov);

    g_assert(str != NULL);

    g_assert_cmpstr(str, ==, "true");

    g_free(str);

}

static void test_visitor_out_number(TestOutputVisitorData *data,

                                    const void *unused)

{

    double value = 3.14;

    Error *errp = NULL;

    char *str;

    visit_type_number(data->ov, &value, NULL, &errp);

    g_assert(!errp);

    str = string_output_get_string(data->sov);

    g_assert(str != NULL);

    g_assert_cmpstr(str, ==, "3.140000");

    g_free(str);

}

static void test_visitor_out_string(TestOutputVisitorData *data,

                                    const void *unused)

{

    char *string = (char *) "Q E M U";

    Error *errp = NULL;

    char *str;

    visit_type_str(data->ov, &string, NULL, &errp);

    g_assert(!errp);

    str = string_output_get_string(data->sov);

    g_assert(str != NULL);

    g_assert_cmpstr(str, ==, string);

    g_free(str);

}

static void test_visitor_out_no_string(TestOutputVisitorData *data,

                                       const void *unused)

{

    char *string = NULL;

    Error *errp = NULL;

    char *str;

    /* A null string should return "" */

    visit_type_str(data->ov, &string, NULL, &errp);

    g_assert(!errp);

    str = string_output_get_string(data->sov);

    g_assert(str != NULL);

    g_assert_cmpstr(str, ==, "");

    g_free(str);

}

static void test_visitor_out_enum(TestOutputVisitorData *data,

                                  const void *unused)

{

    Error *errp = NULL;

    char *str;

    EnumOne i;

    for (i = 0; i < ENUM_ONE_MAX; i++) {

        visit_type_EnumOne(data->ov, &i, "unused", &errp);

        g_assert(!errp);

        str = string_output_get_string(data->sov);

        g_assert(str != NULL);

        g_assert_cmpstr(str, ==, EnumOne_lookup[i]);

        g_free(str);

    }

}

static void test_visitor_out_enum_errors(TestOutputVisitorData *data,

                                         const void *unused)

{

    EnumOne i, bad_values[] = { ENUM_ONE_MAX, -1 };

    Error *errp;

    for (i = 0; i < ARRAY_SIZE(bad_values) ; i++) {

        errp = NULL;

        visit_type_EnumOne(data->ov, &bad_values[i], "unused", &errp);

        g_assert(errp);

        error_free(errp);

    }

}

static void output_visitor_test_add(const char *testpath,

                                    TestOutputVisitorData *data,

                                    void (*test_func)(TestOutputVisitorData *data, const void *user_data))

{

    g_test_add(testpath, TestOutputVisitorData, data, visitor_output_setup,

               test_func, visitor_output_teardown);

}

int main(int argc, char **argv)

{

    TestOutputVisitorData out_visitor_data;

    g_test_init(&argc, &argv, NULL);

    output_visitor_test_add("/string-visitor/output/int",

                            &out_visitor_data, test_visitor_out_int);

    output_visitor_test_add("/string-visitor/output/bool",

                            &out_visitor_data, test_visitor_out_bool);

    output_visitor_test_add("/string-visitor/output/number",

                            &out_visitor_data, test_visitor_out_number);

    output_visitor_test_add("/string-visitor/output/string",

                            &out_visitor_data, test_visitor_out_string);

    output_visitor_test_add("/string-visitor/output/no-string",

                            &out_visitor_data, test_visitor_out_no_string);

    output_visitor_test_add("/string-visitor/output/enum",

                            &out_visitor_data, test_visitor_out_enum);

    output_visitor_test_add("/string-visitor/output/enum-errors",

                            &out_visitor_data, test_visitor_out_enum_errors);

    g_test_run();

    return 0;

}