ucx: test/buffer_tests.c@5ec9a2ca6328

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  *

     4  * Copyright 2013 Olaf Wintermann. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions are met:

     8  *

     9  *   1. Redistributions of source code must retain the above copyright

    10  *      notice, this list of conditions and the following disclaimer.

    11  *

    12  *   2. Redistributions in binary form must reproduce the above copyright

    13  *      notice, this list of conditions and the following disclaimer in the

    14  *      documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    26  * POSSIBILITY OF SUCH DAMAGE.

    27  */

    29 #include "buffer_tests.h"

    30 #include "ucx/utils.h"

    32 UCX_TEST(test_ucx_buffer_seek) {

    33     UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);

    34     b->size = 16; // less than capacity

    35     int r;

    37     UCX_TEST_BEGIN

    39     r = ucx_buffer_seek(b, 5, SEEK_SET);

    40     UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");

    41     UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");

    43     r = ucx_buffer_seek(b, 20, SEEK_SET);

    44     UCX_TEST_ASSERT(r != 0, "seek beyond bounds shall fail");

    45     UCX_TEST_ASSERT(b->pos == 5,

    46             "failed seek shall leave pos unchanged");

    48     r = ucx_buffer_seek(b, 5, SEEK_CUR);

    49     UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");

    50     UCX_TEST_ASSERT(b->pos == 10, "seek CUR+5 set wrong position");

    52     r = ucx_buffer_seek(b, 10, SEEK_CUR);

    53     UCX_TEST_ASSERT(r != 0, "seek CUR beyond bounds shall fail");

    54     UCX_TEST_ASSERT(b->pos == 10,

    55             "failed seek shall leave pos unchanged");

    57     r = ucx_buffer_seek(b, -5, SEEK_END);

    58     UCX_TEST_ASSERT(r == 0, "seek END-5 failed");

    59     UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");

    61     r = ucx_buffer_seek(b, -20, SEEK_END);

    62     UCX_TEST_ASSERT(r != 0, "seek END beyond bounds shall fail");

    63     UCX_TEST_ASSERT(b->pos == 11,

    64             "failed seek shall leave pos unchanged");

    66     UCX_TEST_END

    68     ucx_buffer_free(b);

    69 }

    71 UCX_TEST(test_ucx_buffer_putc) {

    72     char *buffer = (char*) malloc(16);

    73     memset(buffer, 32, 16);

    75     UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);

    76     b->size = b->capacity;

    78     UCX_TEST_BEGIN

    80     ucx_buffer_putc(b, '0');

    81     ucx_buffer_putc(b, '0');

    82     ucx_buffer_putc(b, '0');

    84     UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");

    85     ucx_buffer_seek(b, 10, SEEK_CUR);

    87     ucx_buffer_putc(b, '0');

    88     ucx_buffer_putc(b, '0');

    89     ucx_buffer_putc(b, '0');

    91     UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");

    92     UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof not set");

    93     UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF,

    94             "put shall return EOF when buffer is full");

    96     ucx_buffer_seek(b, 3, SEEK_SET);

    97     ucx_buffer_putc(b, 'a');

    98     ucx_buffer_putc(b, 'b');

    99     ucx_buffer_putc(b, 'c');

   101     UCX_TEST_ASSERT(b->size == 16, "wrong size after seek and puts");

   102     UCX_TEST_ASSERT(memcmp(buffer, "000abc       000", 16) == 0,

   103             "buffer contains incorrect content");

   105     UCX_TEST_END

   107     ucx_buffer_free(b);

   108     free(buffer);

   109 }

   111 UCX_TEST(test_ucx_buffer_putc_ax) {

   112     UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);

   114     UCX_TEST_BEGIN

   116     ucx_buffer_putc(b, '0');

   117     ucx_buffer_putc(b, '1');

   119     UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");

   120     UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");

   122     ucx_buffer_putc(b, 'a');

   124     UCX_TEST_ASSERT(b->pos == 3, "pos wrong after 1 put");

   125     UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");

   126     UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");

   128     UCX_TEST_ASSERT(b->space[2] == 'a', "wrong content");

   130     UCX_TEST_END

   132     ucx_buffer_free(b);

   133 }

   135 UCX_TEST(test_ucx_buffer_getc) {

   136     char *buffer = (char*) malloc(16);

   137     memset(buffer, 32, 8);

   138     for (int i = 8; i < 16 ; i++) {

   139         buffer[i] = 40+i;

   140     }

   142     UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);

   143     b->size = b->capacity;

   145     UCX_TEST_BEGIN

   147     char rb[16];

   148     for (size_t i = 0 ; i < 16 ; i++) {

   149         UCX_TEST_ASSERT(b->pos == i, "pos wrong during read loop");

   150         UCX_TEST_ASSERT(!ucx_buffer_eof(b),

   151                 "EOF shall not be set during read loop");

   152         rb[i] = ucx_buffer_getc(b);

   153     }

   154     UCX_TEST_ASSERT(b->pos == 16, "pos wrong after read loop");

   155     UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set");

   156     UCX_TEST_ASSERT(memcmp(rb, "        01234567", 16) == 0,

   157             "read data incorrect");

   159     UCX_TEST_END

   161     ucx_buffer_free(b);

   162     free(buffer);

   163 }

   165 UCX_TEST(test_ucx_buffer_write) {

   166     char *buffer = (char*) malloc(16);

   167     memset(buffer, 32, 8);

   168     for (int i = 8; i < 16 ; i++) {

   169         buffer[i] = 40+i;

   170     }

   172     UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);

   173     int r;

   175     UCX_TEST_BEGIN

   177     const char* teststring = "this is way too much";

   178     r = ucx_buffer_write((void*)teststring, 1, 20, b);

   179     UCX_TEST_ASSERT(r == 16, "string not correctly trimed");

   180     UCX_TEST_ASSERT(memcmp(buffer, teststring, 16) == 0,

   181             "buffer data incorrect");

   182     UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof shall be set");

   184     ucx_buffer_seek(b, 8, SEEK_SET);

   185     r = ucx_buffer_write((void*)"not", 1, 3, b);

   186     UCX_TEST_ASSERT(r == 3, "three bytes should be replace");

   187     UCX_TEST_ASSERT(memcmp(buffer, "this is not too much", 16) == 0,

   188             "modified buffer is incorrect");

   190     const char* threebytestring = "  t  h  r  e  e   ";

   191     memset(buffer, 49, 16);

   192     ucx_buffer_seek(b, 0, SEEK_SET);

   193     r = ucx_buffer_write((void*)threebytestring, 3, 6, b);

   194     UCX_TEST_ASSERT(r == 5, "three byte string not correctly trimed");

   195     UCX_TEST_ASSERT(b->pos == 15,

   196             "position after write of three byte string incorrect");

   197     UCX_TEST_ASSERT(!ucx_buffer_eof(b), "eof shall not be set");

   198     UCX_TEST_ASSERT(memcmp(buffer, "  t  h  r  e  e1", 16) == 0,

   199                 "bufer is incorrect after three byte string has been written");

   201     UCX_TEST_END

   203     ucx_buffer_free(b);

   204     free(buffer);

   205 }

   207 UCX_TEST(test_ucx_buffer_write_ax) {

   208     char *buffer = (char*) malloc(16);

   210     UcxBuffer *b = ucx_buffer_new(buffer, 16,

   211             UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);

   212     int r;

   214     UCX_TEST_BEGIN

   216     const char* teststring = "this is way too much";

   217     r = ucx_buffer_write((void*)teststring, 1, 20, b);

   218     buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/

   219     UCX_TEST_ASSERT(r == 20, "not all characters written");

   220     UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");

   221     UCX_TEST_ASSERT(b->pos == 20, "position incorrect");

   222     UCX_TEST_ASSERT(memcmp(buffer,

   223             "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,

   224             "incorrect buffer content");

   226     UCX_TEST_END

   228     ucx_buffer_free(b);

   229 }

   231 UCX_TEST(test_ucx_buffer_read) {

   232     UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);

   234     char buf[32];

   235     memset(buf, 'X', 32);

   236     int r;

   238     UCX_TEST_BEGIN

   240     ucx_buffer_write("01234567", 1, 8, b);

   241     UCX_TEST_ASSERT(b->pos == 8, "buffer not correctly filled");

   242     b->pos = 0;

   244     r = ucx_buffer_read(buf, 1, 2, b);

   245     UCX_TEST_ASSERT(r == 2, "wrong number of bytes read");

   246     UCX_TEST_ASSERT(buf[0] == '0' && buf[1] == '1' && buf[2] == 'X',

   247             "buffer incorrect after first read");

   249     r = ucx_buffer_read(buf + 2, 1, 8, b);

   250     UCX_TEST_ASSERT(r == 6, "wrong number of bytes read(2)");

   251     UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,

   252             "buffer incorrect after second read");

   254     memset(buf, 'X', 32);

   255     ucx_buffer_seek(b, 0, SEEK_SET);

   256     r = ucx_buffer_read(buf, 3, 3, b);

   258     UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");

   259     UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,

   260             "buffer incorrect after three byte read");

   263     UCX_TEST_END

   265     ucx_buffer_free(b);

   266 }

   268 UCX_TEST(test_ucx_buffer_extract) {

   269     char *buffer = (char*) malloc(16);

   270     strcpy(buffer, "this is a test!");

   272     UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);

   273     src->size = 15;

   274     UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_DEFAULT);

   276     UCX_TEST_BEGIN

   277     UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");

   279     UCX_TEST_ASSERT((dst->flags & UCX_BUFFER_AUTOFREE) == UCX_BUFFER_AUTOFREE,

   280             "autofree flag shall be enforced");

   281     UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");

   282     char rb[5];

   283     ucx_buffer_read(rb, 1, 5, dst);

   284     UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,

   285             "new buffer has incorrect content");

   287     UCX_TEST_ASSERT(ucx_buffer_extract(dst, 3, 3, UCX_BUFFER_DEFAULT) == NULL,

   288             "extract shall fail on invalid bounds");

   290     UCX_TEST_END

   292     ucx_buffer_free(dst);

   293     ucx_buffer_free(src);

   294 }

   296 UCX_TEST(test_ucx_stream_copy) {

   297     UcxBuffer *b1 = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT);

   298     UcxBuffer *b2 = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);

   300     UCX_TEST_BEGIN

   302     ucx_buffer_write("01234567", 1, 8, b1);

   303     ucx_buffer_write("abcdefgh", 1, 8, b1);

   304     UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1");

   305     ucx_buffer_seek(b1, 0, SEEK_SET);

   307     size_t ncp = ucx_stream_hcopy(b1, b2, ucx_buffer_read, ucx_buffer_write);

   308     UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes");

   309     UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size");

   310     UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,

   311             "b1 and b2 have not the same content");

   313     memset(b2->space, 0, b2->capacity);

   314     b2->pos = 0;

   315     b2->size = 0;

   316     ucx_buffer_seek(b1, 0, SEEK_SET);

   318     FILE *file = tmpfile();

   319     UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted");

   321     ncp = ucx_stream_hcopy(b1, file, ucx_buffer_read, fwrite);

   322     UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file");

   324     fseek(file, 0, SEEK_SET);

   326     ncp = ucx_stream_hcopy(file, b2, fread, ucx_buffer_write);

   327     UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file");

   329     UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,

   330             "b1 and b2 content mismatch");

   332     fclose(file);

   334     ucx_buffer_clear(b1);

   335     ucx_buffer_seek(b2, 0, SEEK_SET);

   336     ncp = ucx_stream_ncopy(b2, b1, ucx_buffer_read, ucx_buffer_write, 8);

   337     UCX_TEST_ASSERT(ncp == 8, "copied wrong number of bytes with ncopy");

   338     UCX_TEST_ASSERT(memcmp(b1->space, "01234567\0\0\0\0\0\0\0\0", 16) == 0,

   339         "content wrong after ncopy");

   341     UCX_TEST_END

   343     ucx_buffer_free(b1);

   344     ucx_buffer_free(b2);

   345 }

Mercurial > hg > ucx / file revision

test/buffer_tests.c@5ec9a2ca6328

test/buffer_tests.c