ucx: test/buffer_tests.c@4d320dc3a7af

     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"

    31 UCX_TEST(test_ucx_buffer_seektell) {

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

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

    34     int r;

    36     UCX_TEST_BEGIN

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

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

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

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

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

    44     UCX_TEST_ASSERT(b->pos == 5,

    45             "failed seek shall leave pos unchanged");

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

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

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

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

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

    53     UCX_TEST_ASSERT(b->pos == 10,

    54             "failed seek shall leave pos unchanged");

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

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

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

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

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

    62     UCX_TEST_ASSERT(b->pos == 11,

    63             "failed seek shall leave pos unchanged");

    65     UCX_TEST_END

    67     ucx_buffer_free(b);

    68 }

    70 UCX_TEST(test_ucx_buffer_putc) {

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

    72     memset(buffer, 32, 16);

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

    75     b->size = b->capacity;

    77     UCX_TEST_BEGIN

    79     ucx_buffer_putc(b, '0');

    80     ucx_buffer_putc(b, '0');

    81     ucx_buffer_putc(b, '0');

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

    84     ucx_buffer_seek(b, 10, SEEK_CUR);

    86     ucx_buffer_putc(b, '0');

    87     ucx_buffer_putc(b, '0');

    88     ucx_buffer_putc(b, '0');

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

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

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

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

    95     ucx_buffer_seek(b, 3, SEEK_SET);

    96     ucx_buffer_putc(b, 'a');

    97     ucx_buffer_putc(b, 'b');

    98     ucx_buffer_putc(b, 'c');

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

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

   102             "buffer contains incorrect content");

   104     UCX_TEST_END

   106     ucx_buffer_free(b);

   107     free(buffer);

   108 }

   110 UCX_TEST(test_ucx_buffer_putc_ax) {

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

   113     UCX_TEST_BEGIN

   115     ucx_buffer_putc(b, '0');

   116     ucx_buffer_putc(b, '1');

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

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

   121     ucx_buffer_putc(b, 'a');

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

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

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

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

   129     UCX_TEST_END

   132 }

   134 UCX_TEST(test_ucx_buffer_getc) {

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

   136     memset(buffer, 32, 8);

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

   138         buffer[i] = 40+i;

   139     }

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

   142     b->size = b->capacity;

   144     UCX_TEST_BEGIN

   146     char rb[16];

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

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

   149         UCX_TEST_ASSERT(!ucx_buffer_eof(b),

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

   151         rb[i] = ucx_buffer_getc(b);

   152     }

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

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

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

   156             "read data incorrect");

   158     UCX_TEST_END

   160     ucx_buffer_free(b);

   161     free(buffer);

   162 }

   164 UCX_TEST(test_ucx_buffer_write) {

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

   166     memset(buffer, 32, 8);

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

   168         buffer[i] = 40+i;

   169     }

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

   172     int r;

   174     UCX_TEST_BEGIN

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

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

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

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

   180             "buffer data incorrect");

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

   183     ucx_buffer_seek(b, 8, SEEK_SET);

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

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

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

   187             "modified buffer is incorrect");

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

   190     memset(buffer, 49, 16);

   191     ucx_buffer_seek(b, 0, SEEK_SET);

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

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

   194     UCX_TEST_ASSERT(b->pos == 15,

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

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

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

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

   200     UCX_TEST_END

   202     ucx_buffer_free(b);

   203     free(buffer);

   204 }

   206 UCX_TEST(test_ucx_buffer_write_ax) {

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

   209     UcxBuffer *b = ucx_buffer_new(buffer, 16,

   210             UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);

   211     int r;

   213     UCX_TEST_BEGIN

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

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

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

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

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

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

   221     UCX_TEST_ASSERT(memcmp(buffer,

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

   223             "incorrect buffer content");

   225     UCX_TEST_END

   227     ucx_buffer_free(b);

   228 }

   230 UCX_TEST(test_ucx_buffer_read) {

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

   233     char buf[32];

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

   235     int r;

   237     UCX_TEST_BEGIN

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

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

   241     b->pos = 0;

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

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

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

   246             "buffer incorrect after first read");

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

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

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

   251             "buffer incorrect after second read");

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

   254     ucx_buffer_seek(b, 0, SEEK_SET);

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

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

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

   259             "buffer incorrect after three byte read");

   262     UCX_TEST_END

   265 }

   267 UCX_TEST(test_ucx_buffer_extract) {

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

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

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

   272     src->size = 15;

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

   275     UCX_TEST_BEGIN

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

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

   279             "autofree flag shall be enforced");

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

   281     char rb[5];

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

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

   284             "new buffer has incorrect content");

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

   287             "extract shall fail on invalid bounds");

   289     UCX_TEST_END

   291     ucx_buffer_free(dst);

   292     ucx_buffer_free(src);

   293 }

   295 UCX_TEST(test_ucx_buffer_generic_copy) {

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

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

   299     UCX_TEST_BEGIN

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

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

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

   304     ucx_buffer_seek(b1, 0, SEEK_SET);

   306     size_t ncp = ucx_buffer_copy(b1, b2, ucx_buffer_read, ucx_buffer_write);

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

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

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

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

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

   313     b2->pos = 0;

   314     b2->size = 0;

   315     ucx_buffer_seek(b1, 0, SEEK_SET);

   317     FILE *file = tmpfile();

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

   320     ncp = ucx_buffer_copy(b1, file, ucx_buffer_read, fwrite);

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

   323     fseek(file, 0, SEEK_SET);

   325     ncp = ucx_buffer_copy(file, b2, fread, ucx_buffer_write);

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

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

   329             "b1 and b2 content mismatch");

   331     fclose(file);

   334     UCX_TEST_END

   336     ucx_buffer_free(b1);

   337     ucx_buffer_free(b2);

   338 }

Mercurial > hg > ucx / file revision

test/buffer_tests.c@4d320dc3a7af

test/buffer_tests.c