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1 /* |
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2 * test-putc.c -- test buf_putc |
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3 * |
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4 * Copyright (c) 2019-2020 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #define GREATEST_USE_ABBREVS 0 |
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20 #include <greatest.h> |
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21 |
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22 #include "buf.h" |
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23 |
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24 GREATEST_TEST |
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25 putc_empty(void) |
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26 { |
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27 struct buf b = {0}; |
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28 |
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29 /* This will allocate one byte and then increase by power of two. */ |
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30 buf_putc(&b, 'a'); |
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31 GREATEST_ASSERT_STR_EQ(b.data, "a"); |
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32 GREATEST_ASSERT_EQ(b.length, 1U); |
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33 GREATEST_ASSERT_EQ(b.capacity, 1U); |
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34 |
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35 buf_putc(&b, 'b'); |
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36 GREATEST_ASSERT_STR_EQ(b.data, "ab"); |
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37 GREATEST_ASSERT_EQ(b.length, 2U); |
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38 GREATEST_ASSERT_EQ(b.capacity, 2U); |
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39 |
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40 buf_putc(&b, 'c'); |
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41 GREATEST_ASSERT_STR_EQ(b.data, "abc"); |
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42 GREATEST_ASSERT_EQ(b.length, 3U); |
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43 GREATEST_ASSERT_EQ(b.capacity, 4U); |
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44 |
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45 /* No reallocation since there is still one byte left. */ |
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46 buf_putc(&b, 'd'); |
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47 GREATEST_ASSERT_STR_EQ(b.data, "abcd"); |
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48 GREATEST_ASSERT_EQ(b.length, 4U); |
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49 GREATEST_ASSERT_EQ(b.capacity, 4U); |
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50 |
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51 /* New reallocation here. */ |
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52 buf_putc(&b, 'e'); |
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53 GREATEST_ASSERT_STR_EQ(b.data, "abcde"); |
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54 GREATEST_ASSERT_EQ(b.length, 5U); |
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55 GREATEST_ASSERT_EQ(b.capacity, 8U); |
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56 buf_finish(&b); |
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57 |
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58 GREATEST_PASS(); |
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59 } |
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60 |
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61 GREATEST_MAIN_DEFS(); |
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62 |
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63 int |
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64 main(int argc, char **argv) |
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65 { |
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66 GREATEST_MAIN_BEGIN(); |
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67 GREATEST_RUN_TEST(putc_empty); |
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68 GREATEST_MAIN_END(); |
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69 } |
