Wed, 02 May 2018 18:42:04 +0200
doc: MWE for ucx_stream_copy()
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "utils_tests.h" #include <ucx/buffer.h> UCX_TEST(test_ucx_fprintf) { UcxBuffer *b1 = ucx_buffer_new(NULL, 32, UCX_BUFFER_AUTOEXTEND); UcxBuffer *b2 = ucx_buffer_new(NULL, 4096, UCX_BUFFER_AUTOEXTEND); char *teststr1 = (char*)calloc(1, 1024); char *teststr2 = (char*)calloc(1, 1024); memset(teststr1, 'a', 1023); memset(teststr2, 'b', 1023); UCX_TEST_BEGIN ucx_fprintf(b1, (write_func)ucx_buffer_write, "Hello %s", "World"); UCX_TEST_ASSERT(!strcmp(b1->space, "Hello World"), "wrong content in b1"); ucx_fprintf(b1, (write_func)ucx_buffer_write, "\nend.\n"); UCX_TEST_ASSERT(!strcmp(b1->space, "Hello World\nend.\n"), "wrong content in b1 after second fprintf"); ucx_bprintf(b2, "%s%s", teststr1, teststr2); UCX_TEST_ASSERT(b2->pos == 2046, "wrong length"); UCX_TEST_ASSERT(!memcmp(b2->space, teststr1, 1023), "wrong first half in b2"); UCX_TEST_ASSERT(!memcmp(b2->space+1023, teststr2, 1023), "wrong second half in b2"); UCX_TEST_END ucx_buffer_free(b1); ucx_buffer_free(b2); free(teststr1); free(teststr2); } UCX_TEST(test_ucx_asprintf) { char *teststr1 = (char*)calloc(1, 1024); char *teststr2 = (char*)calloc(1, 1024); memset(teststr1, 'a', 1023); memset(teststr2, 'b', 1023); UcxAllocator *a = ucx_default_allocator(); UCX_TEST_BEGIN sstr_t s1 = ucx_asprintf(a, "int: %d\nHello %s!", 123, "World"); UCX_TEST_ASSERT(s1.ptr, "s1.ptr is NULL"); UCX_TEST_ASSERT(s1.length == 21, "wrong length"); UCX_TEST_ASSERT(!sstrcmp(s1, S("int: 123\nHello World!")), "wrong content"); free(s1.ptr); sstr_t s2 = ucx_asprintf(a, "%s%s", teststr1, teststr2); UCX_TEST_ASSERT(s2.ptr, "s2.ptr is NULL"); UCX_TEST_ASSERT(s2.length == 2046, "wrong length"); UCX_TEST_ASSERT(!memcmp(s2.ptr, teststr1, 1023), "wrong first half in s2"); UCX_TEST_ASSERT(!memcmp(s2.ptr+1023, teststr2, 1023), "wrong second half in s2"); free(s2.ptr); UCX_TEST_END free(teststr1); free(teststr2); } UCX_TEST(test_ucx_sprintf) { UCX_TEST_BEGIN sstr_t s1 = ucx_sprintf("int: %d\nHello %s!", 123, "World"); UCX_TEST_ASSERT(s1.ptr, "s1.ptr is NULL"); UCX_TEST_ASSERT(s1.length == 21, "wrong length"); UCX_TEST_ASSERT(!sstrcmp(s1, S("int: 123\nHello World!")), "wrong content"); free(s1.ptr); sstr_t s2 = ucx_sprintf("Nothing to format!"); UCX_TEST_ASSERT(s2.ptr, "s2.ptr is NULL"); UCX_TEST_ASSERT(s2.length == 18, "wrong length"); UCX_TEST_ASSERT(!memcmp(s2.ptr, "Nothing to format!", 18), "wrong string without format arguments"); free(s2.ptr); UCX_TEST_END } UCX_TEST(test_ucx_bprintf) { UcxBuffer *b = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT); UCX_TEST_BEGIN ucx_bprintf(b, "int: %d\nHello %s!", 123, "World"); UCX_TEST_ASSERT(b->size == 21, "wrong length"); UCX_TEST_ASSERT(!memcmp(b->space, "int: 123\nHello World!", 21), "wrong content"); ucx_buffer_clear(b); ucx_bprintf(b, "Nothing to format!"); UCX_TEST_ASSERT(b->size == 18, "wrong length"); UCX_TEST_ASSERT(!memcmp(b->space, "Nothing to format!", 18), "wrong string without format arguments"); UCX_TEST_END ucx_buffer_free(b); } UCX_TEST(test_ucx_stream_copy) { UcxBuffer *b1 = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT); UcxBuffer *b2 = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND); UCX_TEST_BEGIN ucx_buffer_write("01234567", 1, 8, b1); ucx_buffer_write("abcdefgh", 1, 8, b1); UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1"); ucx_buffer_seek(b1, 0, SEEK_SET); char copybuf[256]; size_t ncp = ucx_stream_bcopy(b1, b2, ucx_buffer_read, ucx_buffer_write, copybuf, sizeof(copybuf)); UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes"); UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size"); UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0, "b1 and b2 have not the same content"); memset(b2->space, 0, b2->capacity); b2->pos = 0; b2->size = 0; ucx_buffer_seek(b1, 0, SEEK_SET); FILE *file = tmpfile(); UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted"); ncp = ucx_stream_copy(b1, file, ucx_buffer_read, fwrite); UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file"); fseek(file, 0, SEEK_SET); ncp = ucx_stream_copy(file, b2, fread, ucx_buffer_write); UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file"); UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0, "b1 and b2 content mismatch"); fclose(file); ucx_buffer_clear(b1); ucx_buffer_seek(b2, 0, SEEK_SET); ncp = ucx_stream_ncopy(b2, b1, ucx_buffer_read, ucx_buffer_write, 8); UCX_TEST_ASSERT(ncp == 8, "copied wrong number of bytes with ncopy"); UCX_TEST_ASSERT(memcmp(b1->space, "01234567\0\0\0\0\0\0\0\0", 16) == 0, "content wrong after ncopy"); UCX_TEST_END ucx_buffer_free(b1); ucx_buffer_free(b2); }