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RIOT/tests/unittests/tests-fmt/tests-fmt.c 9.63 KB
a752c7ab   elopes   add first test an...
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  /*
   * Copyright (C) 2015 Cenk Gündoğan <cnkgndgn@gmail.com>
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @{
   *
   * @file
   */
  #include <errno.h>
  #include <stdint.h>
  #include <string.h>
  
  #include "embUnit/embUnit.h"
  
  #include "fmt.h"
  #include "tests-fmt.h"
  
  static void test_fmt_byte_hex(void)
  {
      char out[3] = "--";
  
      TEST_ASSERT_EQUAL_INT(2, fmt_byte_hex(out, 0));
      TEST_ASSERT_EQUAL_STRING("00", (char *) out);
  
      TEST_ASSERT_EQUAL_INT(2, fmt_byte_hex(out, 128));
      TEST_ASSERT_EQUAL_STRING("80", (char *) out);
  
      TEST_ASSERT_EQUAL_INT(2, fmt_byte_hex(out, 255));
      TEST_ASSERT_EQUAL_STRING("FF", (char *) out);
  }
  
  static void test_fmt_bytes_hex_reverse(void)
  {
      char out[9] = "--------";
      uint8_t val[4] = { 9, 8, 7, 6 };
      uint8_t bytes = 0;
  
      bytes = fmt_bytes_hex_reverse(out, val, 1);
      out[bytes] = '\0';
      TEST_ASSERT_EQUAL_INT(2, bytes);
      TEST_ASSERT_EQUAL_STRING("09", (char *) out);
  
      bytes = fmt_bytes_hex_reverse(out, val, 2);
      out[bytes] = '\0';
      TEST_ASSERT_EQUAL_INT(4, bytes);
      TEST_ASSERT_EQUAL_STRING("0809", (char *) out);
  
      bytes = fmt_bytes_hex_reverse(out, val, 3);
      out[bytes] = '\0';
      TEST_ASSERT_EQUAL_INT(6, bytes);
      TEST_ASSERT_EQUAL_STRING("070809", (char *) out);
  
      bytes = fmt_bytes_hex_reverse(out, val, 4);
      out[bytes] = '\0';
      TEST_ASSERT_EQUAL_INT(8, bytes);
      TEST_ASSERT_EQUAL_STRING("06070809", (char *) out);
  }
  
  static void test_fmt_u32_hex(void)
  {
      char out[9] = "--------";
      uint32_t val = 3735928559;
  
      TEST_ASSERT_EQUAL_INT(8, fmt_u32_hex(out, val));
      TEST_ASSERT_EQUAL_STRING("DEADBEEF", (char *) out);
  }
  
  static void test_fmt_u64_hex(void)
  {
      char out[17] = "----------------";
      uint64_t val = 1002843385516306400;
  
      TEST_ASSERT_EQUAL_INT(16, fmt_u64_hex(out, val));
      TEST_ASSERT_EQUAL_STRING("0DEAD0BEEF0CAFE0", (char *) out);
  }
  
  static void test_fmt_u32_dec(void)
  {
      char out[9] = "--------";
      uint32_t val = 12345678;
      uint8_t chars = 0;
  
      chars = fmt_u32_dec(out, val);
      TEST_ASSERT_EQUAL_INT(8, chars);
      out[chars] = '\0';
      TEST_ASSERT_EQUAL_STRING("12345678", (char *) out);
  }
  
  static void test_fmt_u16_dec(void)
  {
      char out[5] = "----";
      uint16_t val = 6556;
      uint8_t chars = 0;
  
      chars = fmt_u16_dec(out, val);
      TEST_ASSERT_EQUAL_INT(4, chars);
      out[chars] = '\0';
      TEST_ASSERT_EQUAL_STRING("6556", (char *) out);
  }
  
  static void test_fmt_s32_dec(void)
  {
      char out[6] = "-----";
      int32_t val = 9876;
      uint8_t chars = 0;
  
      chars = fmt_s32_dec(out, val);
      TEST_ASSERT_EQUAL_INT(4, chars);
      out[chars] = '\0';
      TEST_ASSERT_EQUAL_STRING("9876", (char *) out);
  
      val = -9876;
      chars = fmt_s32_dec(out, val);
      TEST_ASSERT_EQUAL_INT(5, chars);
      out[chars] = '\0';
      TEST_ASSERT_EQUAL_STRING("-9876", (char *) out);
  }
  
  static void test_fmt_u64_dec_a(void)
  {
      char out[21] = "--------------------";
      uint64_t val = 0;
      uint8_t chars = 0;
  
      chars = fmt_u64_dec(out, val);
      TEST_ASSERT_EQUAL_INT(1, chars);
      out[chars] = '\0';
      TEST_ASSERT_EQUAL_STRING("0", (char *) out);
  }
  
  static void test_fmt_u64_dec_b(void)
  {
      char out[21] = "--------------------";
      uint64_t val = 18446744073709551615LLU;
      uint8_t chars = 0;
  
      chars = fmt_u64_dec(out, val);
      TEST_ASSERT_EQUAL_INT(20, chars);
      out[chars] = '\0';
      TEST_ASSERT_EQUAL_STRING("18446744073709551615", (char *) out);
  }
  
  static void test_fmt_u64_dec_c(void)
  {
      char out[21] = "--------------------";
      uint64_t val = 1234567890123456789LLU;
      uint8_t chars = 0;
  
      chars = fmt_u64_dec(out, val);
      TEST_ASSERT_EQUAL_INT(19, chars);
      out[chars] = '\0';
      TEST_ASSERT_EQUAL_STRING("1234567890123456789", (char *) out);
  }
  
  static void test_fmt_s16_dec(void)
  {
      char out[7] = "------";
      int16_t val;
      size_t len;
  
      val = 0;
      len = fmt_s16_dec(out, val);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(1, len);
      TEST_ASSERT_EQUAL_STRING("0", (char *)out);
  
      val = -32000;
      len = fmt_s16_dec(out, val);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(6, len);
      TEST_ASSERT_EQUAL_STRING("-32000", (char *)out);
  
      val = 12345;
      len = fmt_s16_dec(out, val);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(5, len);
      TEST_ASSERT_EQUAL_STRING("12345", (char *)out);
  }
  
  static void test_fmt_s16_dfp(void)
  {
      char out[9] = "--------";
      int16_t val;
      unsigned fpp;
      size_t len;
  
      val = 0;
      fpp = 3;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(5, len);
      TEST_ASSERT_EQUAL_STRING("0.000", (char *)out);
  
      val = 12345;
      fpp = 4;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(6, len);
      TEST_ASSERT_EQUAL_STRING("1.2345", (char *)out);
  
      val = 12030;
      fpp = 3;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(6, len);
      TEST_ASSERT_EQUAL_STRING("12.030", (char *)out);
  
      val = -3548;
      fpp = 2;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(6, len);
      TEST_ASSERT_EQUAL_STRING("-35.48", (char *)out);
  
      val = -23;
      fpp = 4;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(7, len);
      TEST_ASSERT_EQUAL_STRING("-0.0023", (char *)out);
  
      val = 50;
      fpp = 3;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(5, len);
      TEST_ASSERT_EQUAL_STRING("0.050", (char *)out);
  
      val = -12345;
      fpp = 0;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(6, len);
      TEST_ASSERT_EQUAL_STRING("-12345", (char *)out);
  
      val = 31987;
      fpp = 6;
      len = fmt_s16_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(8, len);
      TEST_ASSERT_EQUAL_STRING("0.031987", (char *)out);
  }
  
  static void test_fmt_s32_dfp(void)
  {
      char out[13] = "-------------";
      int32_t val;
      unsigned fpp;
      size_t len;
  
      val = 0;
      fpp = 7;
      len = fmt_s32_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(9, len);
      TEST_ASSERT_EQUAL_STRING("0.0000000", (char *)out);
  
      val = 123456789;
      fpp = 7;
      len = fmt_s32_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(10, len);
      TEST_ASSERT_EQUAL_STRING("12.3456789", (char *)out);
  
      val = 120030;
      fpp = 3;
      len = fmt_s32_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(7, len);
      TEST_ASSERT_EQUAL_STRING("120.030", (char *)out);
  
      val = -314159;
      fpp = 5;
      len = fmt_s32_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(8, len);
      TEST_ASSERT_EQUAL_STRING("-3.14159", (char *)out);
  
      val = -23;
      fpp = 7;
      len = fmt_s32_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(10, len);
      TEST_ASSERT_EQUAL_STRING("-0.0000023", (char *)out);
  
      val = 50;
      fpp = 6;
      len = fmt_s32_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(8, len);
      TEST_ASSERT_EQUAL_STRING("0.000050", (char *)out);
  
      val = -123456789;
      fpp = 0;
      len = fmt_s32_dfp(out, val, fpp);
      out[len] = '\0';
      TEST_ASSERT_EQUAL_INT(10, len);
      TEST_ASSERT_EQUAL_STRING("-123456789", (char *)out);
  }
  
  static void test_fmt_strlen(void)
  {
      const char *empty_str = "";
      const char *short_str = "short";
      const char *long_str = "this is a long string";
  
      TEST_ASSERT_EQUAL_INT(0, fmt_strlen(empty_str));
      TEST_ASSERT_EQUAL_INT(5, fmt_strlen(short_str));
      TEST_ASSERT_EQUAL_INT(21, fmt_strlen(long_str));
  }
  
  static void test_fmt_str(void)
  {
      const char *string1 = "string1";
      char string2[]      = "StRiNg2";
  
      TEST_ASSERT_EQUAL_INT(fmt_strlen(string1), fmt_str(&string2[0], string1));
      TEST_ASSERT_EQUAL_STRING(string1, &string2[0]);
  }
  
  static void test_scn_u32_dec(void)
  {
      const char *string1 = "123456789";
      uint32_t val1 = 123456789;
      uint32_t val2 = 12345;
  
      TEST_ASSERT_EQUAL_INT(val1, scn_u32_dec(string1, 9));
      TEST_ASSERT_EQUAL_INT(val2, scn_u32_dec(string1, 5));
  }
  
  static void test_fmt_lpad(void)
  {
      const char base[] = "abcd";
      char string[9] = {0};
  
      strcpy(string, base);
  
      fmt_lpad(string, 4, 8, ' ');
  
      TEST_ASSERT_EQUAL_STRING("    abcd", (char*)string);
  
      fmt_lpad(string, 0, 0, '1');
  
      TEST_ASSERT_EQUAL_STRING("    abcd", (char*)string);
  
      fmt_lpad(string, 4, 0, '2');
  
      TEST_ASSERT_EQUAL_STRING("    abcd", (char*)string);
  
      fmt_lpad(string, 0, 4, '3');
  
      TEST_ASSERT_EQUAL_STRING("3333abcd", (char*)string);
  
      fmt_lpad(string, 8, 8, '4');
  
      TEST_ASSERT_EQUAL_STRING("3333abcd", (char*)string);
  
      fmt_lpad(string, 4, 8, 'x');
  
      TEST_ASSERT_EQUAL_STRING((char*)string, "xxxx3333");
  }
  
  Test *tests_fmt_tests(void)
  {
      EMB_UNIT_TESTFIXTURES(fixtures) {
          new_TestFixture(test_fmt_byte_hex),
          new_TestFixture(test_fmt_bytes_hex_reverse),
          new_TestFixture(test_fmt_u32_hex),
          new_TestFixture(test_fmt_u64_hex),
          new_TestFixture(test_fmt_u32_dec),
          new_TestFixture(test_fmt_u64_dec_a),
          new_TestFixture(test_fmt_u64_dec_b),
          new_TestFixture(test_fmt_u64_dec_c),
          new_TestFixture(test_fmt_u16_dec),
          new_TestFixture(test_fmt_s32_dec),
          new_TestFixture(test_fmt_s16_dec),
          new_TestFixture(test_fmt_s16_dfp),
          new_TestFixture(test_fmt_s32_dfp),
          new_TestFixture(test_fmt_strlen),
          new_TestFixture(test_fmt_str),
          new_TestFixture(test_scn_u32_dec),
          new_TestFixture(test_fmt_lpad),
      };
  
      EMB_UNIT_TESTCALLER(fmt_tests, NULL, NULL, fixtures);
  
      return (Test *)&fmt_tests;
  }
  
  void tests_fmt(void)
  {
      TESTS_RUN(tests_fmt_tests());
  }
  /** @} */