Lucas De Marchi | 780a4e9 | 2016-08-10 14:20:32 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Intel Corporation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include <errno.h> |
| 19 | #include <string.h> |
| 20 | #include <unistd.h> |
| 21 | |
| 22 | #include <shared/scratchbuf.h> |
| 23 | |
| 24 | #include "testsuite.h" |
| 25 | |
| 26 | static int test_scratchbuf_onlystack(const struct test *t) |
| 27 | { |
| 28 | struct scratchbuf sbuf; |
| 29 | const char *smallstr = "xyz"; |
| 30 | char buf[3 + 2]; |
| 31 | char buf2[3 + 1]; |
| 32 | |
| 33 | scratchbuf_init(&sbuf, buf, sizeof(buf)); |
| 34 | assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE); |
| 35 | assert_return(sbuf.need_free == false, EXIT_FAILURE); |
| 36 | scratchbuf_release(&sbuf); |
| 37 | |
| 38 | scratchbuf_init(&sbuf, buf2, sizeof(buf2)); |
| 39 | assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE); |
| 40 | assert_return(sbuf.need_free == false, EXIT_FAILURE); |
| 41 | scratchbuf_release(&sbuf); |
| 42 | |
| 43 | memcpy(scratchbuf_str(&sbuf), smallstr, strlen(smallstr) + 1); |
| 44 | assert_return(strcmp(scratchbuf_str(&sbuf), smallstr) == 0, EXIT_FAILURE); |
| 45 | |
| 46 | return 0; |
| 47 | } |
| 48 | DEFINE_TEST(test_scratchbuf_onlystack, |
| 49 | .description = "test scratchbuf for buffer on stack only"); |
| 50 | |
| 51 | |
| 52 | static int test_scratchbuf_heap(const struct test *t) |
| 53 | { |
| 54 | struct scratchbuf sbuf; |
| 55 | const char *smallstr = "xyz"; |
| 56 | const char *largestr = "xyzxyzxyz"; |
| 57 | const char *largestr2 = "xyzxyzxyzxyzxyz"; |
| 58 | char buf[3 + 1]; |
| 59 | |
| 60 | scratchbuf_init(&sbuf, buf, sizeof(buf)); |
| 61 | |
| 62 | /* Initially only on stack */ |
| 63 | assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE); |
| 64 | assert_return(sbuf.need_free == false, EXIT_FAILURE); |
| 65 | memcpy(scratchbuf_str(&sbuf), smallstr, strlen(smallstr) + 1); |
| 66 | |
| 67 | /* Grow once to heap */ |
| 68 | assert_return(scratchbuf_alloc(&sbuf, strlen(largestr) + 1) == 0, EXIT_FAILURE); |
| 69 | assert_return(sbuf.need_free == true, EXIT_FAILURE); |
| 70 | assert_return(sbuf.size == strlen(largestr) + 1, EXIT_FAILURE); |
| 71 | assert_return(strcmp(scratchbuf_str(&sbuf), smallstr) == 0, EXIT_FAILURE); |
| 72 | memcpy(scratchbuf_str(&sbuf), largestr, strlen(largestr) + 1); |
| 73 | assert_return(strcmp(scratchbuf_str(&sbuf), largestr) == 0, EXIT_FAILURE); |
| 74 | |
| 75 | /* Grow again - realloc should take place */ |
| 76 | assert_return(scratchbuf_alloc(&sbuf, strlen(largestr2) + 1) == 0, EXIT_FAILURE); |
| 77 | assert_return(sbuf.need_free == true, EXIT_FAILURE); |
| 78 | assert_return(sbuf.size == strlen(largestr2) + 1, EXIT_FAILURE); |
| 79 | memcpy(scratchbuf_str(&sbuf), largestr2, strlen(largestr2) + 1); |
| 80 | assert_return(strcmp(scratchbuf_str(&sbuf), largestr2) == 0, EXIT_FAILURE); |
| 81 | |
| 82 | scratchbuf_release(&sbuf); |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | DEFINE_TEST(test_scratchbuf_heap, |
| 87 | .description = "test scratchbuf for buffer on that grows to heap"); |
| 88 | |
| 89 | TESTSUITE_MAIN(); |