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1 /* |
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2 * test-reserve.c -- test buf_reserve |
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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 reserve(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 /* Reserve allocates but does not change length. */ |
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30 buf_reserve(&b, 100U); |
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31 GREATEST_ASSERT(b.data); |
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32 GREATEST_ASSERT_EQ(b.length, 0U); |
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33 GREATEST_ASSERT_EQ(b.capacity, 100U); |
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34 |
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35 /* |
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36 * Now we have a capacity of 100, if I request 100 again it should not |
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37 * change capacity. |
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38 */ |
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39 buf_reserve(&b, 100U); |
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40 GREATEST_ASSERT(b.data); |
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41 GREATEST_ASSERT_EQ(b.length, 0U); |
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42 GREATEST_ASSERT_EQ(b.capacity, 100U); |
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43 |
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44 /* But if I reserve more, it should. */ |
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45 buf_reserve(&b, 200U); |
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46 GREATEST_ASSERT(b.data); |
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47 GREATEST_ASSERT_EQ(b.length, 0U); |
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48 GREATEST_ASSERT_EQ(b.capacity, 200U); |
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49 |
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50 buf_finish(&b); |
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51 |
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52 GREATEST_PASS(); |
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53 } |
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54 |
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55 GREATEST_MAIN_DEFS(); |
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56 |
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57 int |
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58 main(int argc, char **argv) |
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59 { |
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60 GREATEST_MAIN_BEGIN(); |
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61 GREATEST_RUN_TEST(reserve); |
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62 GREATEST_MAIN_END(); |
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63 } |