test/offline/b64decode.c

   1 #include "../test.h"
   2 #include "utils.h"
   3 #include <string.h>
   4
   5 static int test_b64decode(const void *input, const void *correct,
   6         size_t correct_length) {
   7     void *output = NULL;
   8     size_t length;
   9
  10     length = _isds_b64decode(input, &output);
  11     TEST_DESTRUCTOR(free, output);
  12
  13     if (length == correct_length) {
  14         if (length != -1) {
  15             if (!memcmp(correct, output, length)) {
  16                 PASS_TEST;
  17             } else {
  18                 FAIL_TEST("Output length matches, but content differs");
  19             }
  20         } else {
  21             if (output == NULL) {
  22                 PASS_TEST;
  23             } else {
  24                 FAIL_TEST("Output length signals error as expected, "
  25                         "but content has not been deallocated");
  26             }
  27         }
  28     } else {
  29         /* Format as signed to get -1 as error. Big positive numbers should
  30          * not occure in these tests */
  31         FAIL_TEST("Output length differs: expected=%zd, got=%zd",
  32                 correct_length, length);
  33     }
  34 }
  35
  36
  37 static int test_b64decode_null_pointer(const void *input,
  38         size_t correct_length) {
  39     size_t length;
  40
  41     length = _isds_b64decode(input, NULL);
  42
  43     if (length == correct_length)
  44         PASS_TEST
  45     else
  46         /* Format as signed to get -1 as error. Big positive numbers should
  47          * not occure in these tests */
  48         FAIL_TEST("Output length differs: expected=%zd, got=%zd",
  49                 correct_length, length)
  50 }
  51
  52
  53 int main(int argc, char **argv) {
  54     INIT_TEST("b64decode");
  55
  56     TEST("generic", test_b64decode, "Af+qVQA=\n", "\x1\xff\xaa\x55", 5);
  57     TEST("partial cycle", test_b64decode, "MQA=\n", "1", 2);
  58     TEST("1 cycle", test_b64decode, "NDIA\n", "42", 3);
  59     TEST("2 cycles", test_b64decode, "MTIzNDUA\n", "12345", 6);
  60     TEST("generic with new line", test_b64decode, "NDIA\n", "42", 3);
  61     TEST("generic without new line", test_b64decode, "NDIA", "42", 3);
  62     TEST("new line only", test_b64decode, "\n", NULL, 0);
  63     TEST("empty string", test_b64decode, "", NULL, 0);
  64     TEST("incomplete input", test_b64decode, "42", "\xe3", 1);
  65     TEST("NULL input", test_b64decode, NULL, NULL, (size_t) -1);
  66     TEST("NULL output pointer", test_b64decode_null_pointer, "\n",
  67             (size_t) -1);
  68
  69     SUM_TEST();
  70 }