tests/test-string-output-visitor.c

   1 /*
   2  * String Output Visitor unit-tests.
   3  *
   4  * Copyright (C) 2012 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Paolo Bonzini <pbonzini@redhat.com> (based on test-qmp-output-visitor)
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include <glib.h>
  14
  15 #include "qemu-common.h"
  16 #include "qapi/string-output-visitor.h"
  17 #include "test-qapi-types.h"
  18 #include "test-qapi-visit.h"
  19 #include "qapi/qmp/types.h"
  20
  21 typedef struct TestOutputVisitorData {
  22     StringOutputVisitor *sov;
  23     Visitor *ov;
  24 } TestOutputVisitorData;
  25
  26 static void visitor_output_setup(TestOutputVisitorData *data,
  27                                  const void *unused)
  28 {
  29     data->sov = string_output_visitor_new();
  30     g_assert(data->sov != NULL);
  31
  32     data->ov = string_output_get_visitor(data->sov);
  33     g_assert(data->ov != NULL);
  34 }
  35
  36 static void visitor_output_teardown(TestOutputVisitorData *data,
  37                                     const void *unused)
  38 {
  39     string_output_visitor_cleanup(data->sov);
  40     data->sov = NULL;
  41     data->ov = NULL;
  42 }
  43
  44 static void test_visitor_out_int(TestOutputVisitorData *data,
  45                                  const void *unused)
  46 {
  47     int64_t value = -42;
  48     Error *errp = NULL;
  49     char *str;
  50
  51     visit_type_int(data->ov, &value, NULL, &errp);
  52     g_assert(error_is_set(&errp) == 0);
  53
  54     str = string_output_get_string(data->sov);
  55     g_assert(str != NULL);
  56     g_assert_cmpstr(str, ==, "-42");
  57     g_free(str);
  58 }
  59
  60 static void test_visitor_out_bool(TestOutputVisitorData *data,
  61                                   const void *unused)
  62 {
  63     Error *errp = NULL;
  64     bool value = true;
  65     char *str;
  66
  67     visit_type_bool(data->ov, &value, NULL, &errp);
  68     g_assert(error_is_set(&errp) == 0);
  69
  70     str = string_output_get_string(data->sov);
  71     g_assert(str != NULL);
  72     g_assert_cmpstr(str, ==, "true");
  73     g_free(str);
  74 }
  75
  76 static void test_visitor_out_number(TestOutputVisitorData *data,
  77                                     const void *unused)
  78 {
  79     double value = 3.14;
  80     Error *errp = NULL;
  81     char *str;
  82
  83     visit_type_number(data->ov, &value, NULL, &errp);
  84     g_assert(error_is_set(&errp) == 0);
  85
  86     str = string_output_get_string(data->sov);
  87     g_assert(str != NULL);
  88     g_assert_cmpstr(str, ==, "3.140000");
  89     g_free(str);
  90 }
  91
  92 static void test_visitor_out_string(TestOutputVisitorData *data,
  93                                     const void *unused)
  94 {
  95     char *string = (char *) "Q E M U";
  96     Error *errp = NULL;
  97     char *str;
  98
  99     visit_type_str(data->ov, &string, NULL, &errp);
 100     g_assert(error_is_set(&errp) == 0);
 101
 102     str = string_output_get_string(data->sov);
 103     g_assert(str != NULL);
 104     g_assert_cmpstr(str, ==, string);
 105     g_free(str);
 106 }
 107
 108 static void test_visitor_out_no_string(TestOutputVisitorData *data,
 109                                        const void *unused)
 110 {
 111     char *string = NULL;
 112     Error *errp = NULL;
 113     char *str;
 114
 115     /* A null string should return "" */
 116     visit_type_str(data->ov, &string, NULL, &errp);
 117     g_assert(error_is_set(&errp) == 0);
 118
 119     str = string_output_get_string(data->sov);
 120     g_assert(str != NULL);
 121     g_assert_cmpstr(str, ==, "");
 122     g_free(str);
 123 }
 124
 125 static void test_visitor_out_enum(TestOutputVisitorData *data,
 126                                   const void *unused)
 127 {
 128     Error *errp = NULL;
 129     char *str;
 130     EnumOne i;
 131
 132     for (i = 0; i < ENUM_ONE_MAX; i++) {
 133         visit_type_EnumOne(data->ov, &i, "unused", &errp);
 134         g_assert(!error_is_set(&errp));
 135
 136         str = string_output_get_string(data->sov);
 137         g_assert(str != NULL);
 138         g_assert_cmpstr(str, ==, EnumOne_lookup[i]);
 139         g_free(str);
 140     }
 141 }
 142
 143 static void test_visitor_out_enum_errors(TestOutputVisitorData *data,
 144                                          const void *unused)
 145 {
 146     EnumOne i, bad_values[] = { ENUM_ONE_MAX, -1 };
 147     Error *errp;
 148
 149     for (i = 0; i < ARRAY_SIZE(bad_values) ; i++) {
 150         errp = NULL;
 151         visit_type_EnumOne(data->ov, &bad_values[i], "unused", &errp);
 152         g_assert(error_is_set(&errp) == true);
 153         error_free(errp);
 154     }
 155 }
 156
 157 static void output_visitor_test_add(const char *testpath,
 158                                     TestOutputVisitorData *data,
 159                                     void (*test_func)(TestOutputVisitorData *data, const void *user_data))
 160 {
 161     g_test_add(testpath, TestOutputVisitorData, data, visitor_output_setup,
 162                test_func, visitor_output_teardown);
 163 }
 164
 165 int main(int argc, char **argv)
 166 {
 167     TestOutputVisitorData out_visitor_data;
 168
 169     g_test_init(&argc, &argv, NULL);
 170
 171     output_visitor_test_add("/string-visitor/output/int",
 172                             &out_visitor_data, test_visitor_out_int);
 173     output_visitor_test_add("/string-visitor/output/bool",
 174                             &out_visitor_data, test_visitor_out_bool);
 175     output_visitor_test_add("/string-visitor/output/number",
 176                             &out_visitor_data, test_visitor_out_number);
 177     output_visitor_test_add("/string-visitor/output/string",
 178                             &out_visitor_data, test_visitor_out_string);
 179     output_visitor_test_add("/string-visitor/output/no-string",
 180                             &out_visitor_data, test_visitor_out_no_string);
 181     output_visitor_test_add("/string-visitor/output/enum",
 182                             &out_visitor_data, test_visitor_out_enum);
 183     output_visitor_test_add("/string-visitor/output/enum-errors",
 184                             &out_visitor_data, test_visitor_out_enum_errors);
 185
 186     g_test_run();
 187
 188     return 0;
 189 }