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(); 90
