kc3-lang/SDL/test/testautomation_guid.c

Branch - branch -v2.28

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• Hash : 7f7ea909
  Author :
  Date : 2023-05-31T04:50:02
  

  testautomation_guid.c: fix integer warning in 32 bit builds.

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• test/testautomation_guid.c

• /**
   * GUID test suite
   */
  
  #include "SDL.h"
  #include "SDL_test.h"
  
  #ifdef HAVE_STDINT_H
  #include <stdint.h>
  #endif
  
  /* ================= Test Case Implementation ================== */
  
  /* Helper functions */
  
  #define NUM_TEST_GUIDS 5
  
  #ifndef UINT64_C
  #ifdef _MSC_VER
  #define UINT64_C(x) x##ui64
  #elif defined(_LP64)
  #define UINT64_C(x) x##UL
  #else
  #define UINT64_C(x) x##ULL
  #endif
  #endif
  
  static struct
  {
      char *str;
      Uint64 upper, lower;
  } test_guids[NUM_TEST_GUIDS] = {
      { "0000000000000000"
        "ffffffffffffffff",
        UINT64_C(0x0000000000000000), UINT64_C(0xffffffffffffffff) },
      { "0011223344556677"
        "8091a2b3c4d5e6f0",
        UINT64_C(0x0011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
      { "a011223344556677"
        "8091a2b3c4d5e6f0",
        UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
      { "a011223344556677"
        "8091a2b3c4d5e6f1",
        UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f1) },
      { "a011223344556677"
        "8191a2b3c4d5e6f0",
        UINT64_C(0xa011223344556677), UINT64_C(0x8191a2b3c4d5e6f0) },
  };
  
  static void
  upper_lower_to_bytestring(Uint8 *out, Uint64 upper, Uint64 lower)
  {
      Uint64 values[2];
      int i, k;
  
      values[0] = upper;
      values[1] = lower;
  
      for (i = 0; i < 2; ++i) {
          Uint64 v = values[i];
  
          for (k = 0; k < 8; ++k) {
              *out++ = v >> 56;
              v <<= 8;
          }
      }
  }
  
  /* Test case functions */
  
  /**
   * @brief Check String-to-GUID conversion
   *
   * @sa SDL_GUIDFromString
   */
  static int
  TestGuidFromString(void *arg)
  {
      int i;
  
      SDLTest_AssertPass("Call to SDL_GUIDFromString");
      for (i = 0; i < NUM_TEST_GUIDS; ++i) {
          Uint8 expected[16];
          SDL_GUID guid;
  
          upper_lower_to_bytestring(expected,
                                    test_guids[i].upper, test_guids[i].lower);
  
          guid = SDL_GUIDFromString(test_guids[i].str);
          SDLTest_AssertCheck(SDL_memcmp(expected, guid.data, 16) == 0, "GUID from string, GUID was: '%s'", test_guids[i].str);
      }
  
      return TEST_COMPLETED;
  }
  
  /**
   * @brief Check GUID-to-String conversion
   *
   * @sa SDL_GUIDToString
   */
  static int
  TestGuidToString(void *arg)
  {
      int i;
  
      SDLTest_AssertPass("Call to SDL_GUIDToString");
      for (i = 0; i < NUM_TEST_GUIDS; ++i) {
          const int guid_str_offset = 4;
          char guid_str_buf[64];
          char *guid_str = guid_str_buf + guid_str_offset;
          SDL_GUID guid;
          int size;
  
          upper_lower_to_bytestring(guid.data,
                                    test_guids[i].upper, test_guids[i].lower);
  
          /* Serialise to limited-length buffers */
          for (size = 0; size <= 36; ++size) {
              const Uint8 fill_char = size + 0xa0;
              Uint32 expected_prefix;
              Uint32 actual_prefix;
              int written_size;
  
              SDL_memset(guid_str_buf, fill_char, sizeof(guid_str_buf));
              SDL_GUIDToString(guid, guid_str, size);
  
              /* Check bytes before guid_str_buf */
              expected_prefix = fill_char | (fill_char << 8) | (fill_char << 16) | (fill_char << 24);
              SDL_memcpy(&actual_prefix, guid_str_buf, 4);
              SDLTest_AssertCheck(expected_prefix == actual_prefix, "String buffer memory before output untouched, expected: %" SDL_PRIu32 ", got: %" SDL_PRIu32 ", at size=%d", expected_prefix, actual_prefix, size);
  
              /* Check that we did not overwrite too much */
              written_size = 0;
              while ((guid_str[written_size] & 0xff) != fill_char && written_size < 256) {
                  ++written_size;
              }
              SDLTest_AssertCheck(written_size <= size, "Output length is within expected bounds, with length %d: wrote %d of %d permitted bytes", size, written_size, size);
              if (size >= 33) {
                  SDLTest_AssertCheck(SDL_strcmp(guid_str, test_guids[i].str) == 0, "GUID string equality, from string: %s", test_guids[i].str);
              }
          }
      }
  
      return TEST_COMPLETED;
  }
  
  /* ================= Test References ================== */
  
  /* GUID routine test cases */
  static const SDLTest_TestCaseReference guidTest1 = {
      (SDLTest_TestCaseFp)TestGuidFromString, "TestGuidFromString", "Call to SDL_GUIDFromString", TEST_ENABLED
  };
  
  static const SDLTest_TestCaseReference guidTest2 = {
      (SDLTest_TestCaseFp)TestGuidToString, "TestGuidToString", "Call to SDL_GUIDToString", TEST_ENABLED
  };
  
  /* Sequence of GUID routine test cases */
  static const SDLTest_TestCaseReference *guidTests[] = {
      &guidTest1,
      &guidTest2,
      NULL
  };
  
  /* GUID routine test suite (global) */
  SDLTest_TestSuiteReference guidTestSuite = {
      "GUID",
      NULL,
      guidTests,
      NULL
  };
  

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