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