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90 lines
3.1 KiB
90 lines
3.1 KiB
4 months ago
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/*
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* Copyright (C) 2016 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <shared/scratchbuf.h>
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#include "testsuite.h"
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static int test_scratchbuf_onlystack(const struct test *t)
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{
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struct scratchbuf sbuf;
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const char *smallstr = "xyz";
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char buf[3 + 2];
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char buf2[3 + 1];
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scratchbuf_init(&sbuf, buf, sizeof(buf));
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assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE);
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assert_return(sbuf.need_free == false, EXIT_FAILURE);
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scratchbuf_release(&sbuf);
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scratchbuf_init(&sbuf, buf2, sizeof(buf2));
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assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE);
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assert_return(sbuf.need_free == false, EXIT_FAILURE);
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scratchbuf_release(&sbuf);
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memcpy(scratchbuf_str(&sbuf), smallstr, strlen(smallstr) + 1);
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assert_return(strcmp(scratchbuf_str(&sbuf), smallstr) == 0, EXIT_FAILURE);
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return 0;
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}
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DEFINE_TEST(test_scratchbuf_onlystack,
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.description = "test scratchbuf for buffer on stack only");
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static int test_scratchbuf_heap(const struct test *t)
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{
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struct scratchbuf sbuf;
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const char *smallstr = "xyz";
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const char *largestr = "xyzxyzxyz";
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const char *largestr2 = "xyzxyzxyzxyzxyz";
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char buf[3 + 1];
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scratchbuf_init(&sbuf, buf, sizeof(buf));
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/* Initially only on stack */
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assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE);
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assert_return(sbuf.need_free == false, EXIT_FAILURE);
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memcpy(scratchbuf_str(&sbuf), smallstr, strlen(smallstr) + 1);
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/* Grow once to heap */
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assert_return(scratchbuf_alloc(&sbuf, strlen(largestr) + 1) == 0, EXIT_FAILURE);
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assert_return(sbuf.need_free == true, EXIT_FAILURE);
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assert_return(sbuf.size == strlen(largestr) + 1, EXIT_FAILURE);
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assert_return(strcmp(scratchbuf_str(&sbuf), smallstr) == 0, EXIT_FAILURE);
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memcpy(scratchbuf_str(&sbuf), largestr, strlen(largestr) + 1);
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assert_return(strcmp(scratchbuf_str(&sbuf), largestr) == 0, EXIT_FAILURE);
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/* Grow again - realloc should take place */
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assert_return(scratchbuf_alloc(&sbuf, strlen(largestr2) + 1) == 0, EXIT_FAILURE);
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assert_return(sbuf.need_free == true, EXIT_FAILURE);
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assert_return(sbuf.size == strlen(largestr2) + 1, EXIT_FAILURE);
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memcpy(scratchbuf_str(&sbuf), largestr2, strlen(largestr2) + 1);
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assert_return(strcmp(scratchbuf_str(&sbuf), largestr2) == 0, EXIT_FAILURE);
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scratchbuf_release(&sbuf);
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return 0;
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}
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DEFINE_TEST(test_scratchbuf_heap,
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.description = "test scratchbuf for buffer on that grows to heap");
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TESTSUITE_MAIN();
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