ucx: test/buffer_tests.c@2df780a4482b

     1 /*

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

     3  *

     4  * Copyright 2015 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_new) {

    32     UcxBuffer *b = ucx_buffer_new(NULL, 16, UCX_BUFFER_AUTOEXTEND);

    33     UcxBuffer *b2 = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);

    34     UCX_TEST_BEGIN

    36     UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");

    37     UCX_TEST_ASSERT(b2->capacity==32, "wrong capacity");

    39     UCX_TEST_ASSERT(b->size==0, "wrong size");

    40     UCX_TEST_ASSERT(b2->size==0, "wrong size");

    42     UCX_TEST_ASSERT(b->pos==0, "wrong position");

    43     UCX_TEST_ASSERT(b2->pos==0, "wrong position");

    45     UCX_TEST_ASSERT(b->flags==(UCX_BUFFER_AUTOEXTEND|UCX_BUFFER_AUTOFREE),

    46         "wrong flags for autoextending buffer");

    47     UCX_TEST_ASSERT(b2->flags==UCX_BUFFER_AUTOFREE,

    48         "wrong flags for default bufer");

    50     UCX_TEST_END

    51     ucx_buffer_free(b2);

    52     ucx_buffer_free(b);

    53 }

    55 UCX_TEST(test_ucx_buffer_new_prealloc) {

    56     char* test = (char*) malloc(16);

    57     UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);

    58     UCX_TEST_BEGIN

    60     UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");

    61     UCX_TEST_ASSERT(b->size==0, "wrong size");

    62     UCX_TEST_ASSERT(b->pos==0, "wrong position");

    64     UCX_TEST_ASSERT(b->flags==0, "wrong flags - all should be cleared");

    66     UCX_TEST_END

    67     free(test);

    68     ucx_buffer_free(b);

    69 }

    71 UCX_TEST(test_ucx_buffer_eof) {

    72     char *test = (char*)"0123456789ABCDEF";

    73     UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);

    74     UCX_TEST_BEGIN

    75     b->pos = 9; b->size = 10;

    76     UCX_TEST_ASSERT(!ucx_buffer_eof(b), "false positive");

    77     b->pos = 10; b->size = 10;

    78     UCX_TEST_ASSERT(ucx_buffer_eof(b), "pos == size should be EOF");

    79     b->pos = 11; b->size = 10;

    80     UCX_TEST_ASSERT(ucx_buffer_eof(b), "false negative");

    81     UCX_TEST_END

    82 }

    84 UCX_TEST(test_ucx_buffer_seek_overflow) {

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

    86     b->size = 32;

    87     int r;

    89     UCX_TEST_BEGIN

    90     const size_t sizemax = (size_t)-1;

    91     size_t bigpos = sizemax - 5000;

    92     b->pos = bigpos;

    93     r = ucx_buffer_seek(b, 5016, SEEK_CUR);

    94     UCX_TEST_ASSERT(r != 0, "seek cur overflow");

    95     UCX_TEST_ASSERT(b->pos == bigpos,

    96             "failed seek shall leave pos unchanged");

    98     b->pos = 0;

    99     b->size = sizemax / 2 + 32;

   100     off_t bigoff = sizemax / 2 - 16;

   101     r = ucx_buffer_seek(b, -bigoff, SEEK_CUR);

   102     UCX_TEST_ASSERT(r != 0, "seek cur underflow");

   103     UCX_TEST_ASSERT(b->pos == 0,

   104             "failed seek shall leave pos unchanged");

   106     UCX_TEST_END

   108     ucx_buffer_free(b);

   109 }

   111 UCX_TEST(test_ucx_buffer_seek_invalid) {

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

   113     b->pos = 7;

   114     int r;

   116     UCX_TEST_BEGIN

   117     r = ucx_buffer_seek(b, 0, ~(SEEK_SET|SEEK_CUR|SEEK_END));

   118     UCX_TEST_ASSERT(r != 0, "invalid whence shall fail");

   119     UCX_TEST_ASSERT(b->pos == 7,

   120             "failed seek shall leave pos unchanged");

   121     UCX_TEST_END

   123     ucx_buffer_free(b);

   124 }

   126 UCX_TEST(test_ucx_buffer_seek_oob) {

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

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

   129     b->pos = 7;

   130     int r;

   132     UCX_TEST_BEGIN

   134     r = ucx_buffer_seek(b, -1, SEEK_SET);

   135     UCX_TEST_ASSERT(r != 0, "seek SET below bounds shall fail");

   136     UCX_TEST_ASSERT(b->pos == 7,

   137             "failed seek shall leave pos unchanged");

   139     r = ucx_buffer_seek(b, 16, SEEK_SET);

   140     UCX_TEST_ASSERT(r != 0, "seek SET above bounds shall fail");

   141     UCX_TEST_ASSERT(b->pos == 7,

   142             "failed seek shall leave pos unchanged");

   144     r = ucx_buffer_seek(b, -8, SEEK_CUR);

   145     UCX_TEST_ASSERT(r != 0, "seek CUR below bounds shall fail");

   146     UCX_TEST_ASSERT(b->pos == 7,

   147             "failed seek shall leave pos unchanged");

   149     r = ucx_buffer_seek(b, 9, SEEK_CUR);

   150     UCX_TEST_ASSERT(r != 0, "seek CUR above bounds shall fail");

   151     UCX_TEST_ASSERT(b->pos == 7,

   152             "failed seek shall leave pos unchanged");

   154     r = ucx_buffer_seek(b, -17, SEEK_END);

   155     UCX_TEST_ASSERT(r != 0, "seek END below bounds shall fail");

   156     UCX_TEST_ASSERT(b->pos == 7,

   157             "failed seek shall leave pos unchanged");

   159     r = ucx_buffer_seek(b, 1, SEEK_END);

   160     UCX_TEST_ASSERT(r != 0, "seek END above bounds shall fail");

   161     UCX_TEST_ASSERT(b->pos == 7,

   162             "failed seek shall leave pos unchanged");

   164     UCX_TEST_END

   166     ucx_buffer_free(b);

   167 }

   169 UCX_TEST(test_ucx_buffer_seek_set) {

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

   171     b->size = 16;

   172     int r;

   174     UCX_TEST_BEGIN

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

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

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

   181     r = ucx_buffer_seek(b, 10, SEEK_SET);

   182     UCX_TEST_ASSERT(r == 0, "seek SET+10 failed");

   183     UCX_TEST_ASSERT(b->pos == 10, "seek SET+10 set wrong position");

   185     UCX_TEST_END

   187     ucx_buffer_free(b);

   188 }

   190 UCX_TEST(test_ucx_buffer_seek_cur) {

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

   192     b->size = 16;

   193     int r;

   195     UCX_TEST_BEGIN

   197     b->pos = 7;

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

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

   200     UCX_TEST_ASSERT(b->pos == 12, "seek CUR+5 set wrong position");

   202     UCX_TEST_END

   204     ucx_buffer_free(b);

   205 }

   207 UCX_TEST(test_ucx_buffer_seek_end) {

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

   209     b->size = 16;

   210     int r;

   212     UCX_TEST_BEGIN

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

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

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

   219     UCX_TEST_END

   221     ucx_buffer_free(b);

   222 }

   224 UCX_TEST(test_ucx_buffer_putc) {

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

   226     memset(buffer, 32, 16);

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

   229     b->size = b->capacity;

   231     UCX_TEST_BEGIN

   233     ucx_buffer_seek(b, 0, SEEK_SET);

   234     UCX_TEST_ASSERT(ucx_buffer_putc(b, '0'|~0xFF) == '0',

   235             "putc shall return (arg & 0xFF)");

   236     ucx_buffer_putc(b, '0');

   237     ucx_buffer_putc(b, '0');

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

   240     ucx_buffer_seek(b, 10, SEEK_CUR);

   242     ucx_buffer_putc(b, '0');

   243     ucx_buffer_putc(b, '0');

   244     ucx_buffer_putc(b, '0');

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

   248     UCX_TEST_ASSERT(!memcmp(b->space, "000          000", 16),

   249             "buffer content wrong")

   250     UCX_TEST_END

   251     ucx_buffer_free(b);

   252     free(buffer);

   253 }

   255 UCX_TEST(test_ucx_buffer_putc_oob) {

   256     UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_DEFAULT);

   258     UCX_TEST_BEGIN

   259     b->pos = b->size = b->capacity = 1;

   260     b->space[1] = 'X';

   262     UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF, "put shall return EOF "

   263             "when buffer is full and auto extend is disabled");

   264     UCX_TEST_ASSERT(!memcmp(b->space, "\0X", 2),

   265             "wrong buffer content after failed putc");

   267     UCX_TEST_END

   269     ucx_buffer_free(b);

   270 }

   273 UCX_TEST(test_ucx_buffer_putc_ae) {

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

   275     ucx_buffer_putc(b, '0');

   276     ucx_buffer_putc(b, '1');

   278     UCX_TEST_BEGIN

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

   281     UCX_TEST_ASSERT(b->size == 2, "size wrong after first 2 puts");

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

   283     UCX_TEST_ASSERT(!memcmp(b->space,"01", 2), "wrong content");

   285     UCX_TEST_END

   287     ucx_buffer_free(b);

   288 }

   290 UCX_TEST(test_ucx_buffer_putc_oobae) {

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

   292     ucx_buffer_putc(b, '0');

   293     ucx_buffer_putc(b, '1');

   295     UCX_TEST_BEGIN

   297     ucx_buffer_putc(b, 'a');

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

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

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

   303     UCX_TEST_ASSERT(!memcmp(b->space,"01a\0", 4), "wrong content");

   305     UCX_TEST_END

   307     ucx_buffer_free(b);

   308 }

   310 UCX_TEST(test_ucx_buffer_putc_size) {

   311     UcxBuffer *b = ucx_buffer_new(NULL, 4, UCX_BUFFER_DEFAULT);

   313     UCX_TEST_BEGIN

   315     UCX_TEST_ASSERT(b->size == 0, "wrong initial size");

   316     ucx_buffer_putc(b, 'a');

   317     ucx_buffer_putc(b, 'b');

   318     ucx_buffer_putc(b, 'c');

   319     UCX_TEST_ASSERT(b->size == 3, "size does not increase");

   320     ucx_buffer_seek(b, 1, SEEK_SET);

   321     ucx_buffer_putc(b, 'd');

   322     UCX_TEST_ASSERT(b->size == 3, "size shall not decrease");

   323     UCX_TEST_ASSERT(b->pos == 2, "wrong position after seek and putc");

   325     UCX_TEST_END

   327     ucx_buffer_free(b);

   328 }

   330 UCX_TEST(test_ucx_buffer_getc) {

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

   332     memset(buffer, 32, 8);

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

   334         buffer[i] = 40+i;

   335     }

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

   338     b->size = b->capacity;

   340     UCX_TEST_BEGIN

   342     char rb[16];

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

   344         UCX_TEST_ASSERT(b->pos == i, "wrong position");

   345         UCX_TEST_ASSERT(!ucx_buffer_eof(b), "EOF false positive");

   346         rb[i] = ucx_buffer_getc(b);

   347     }

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

   349         "read data incorrect");

   351     UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set after last possible read");

   352     UCX_TEST_ASSERT(b->pos == 16, "wrong position after EOF");

   354     UCX_TEST_ASSERT(ucx_buffer_getc(b) == EOF,

   355         "out of bounds read does not return EOF");

   356     UCX_TEST_ASSERT(b->pos == 16, "wrong position after out of bounds read");

   358     UCX_TEST_END

   360     ucx_buffer_free(b);

   361     free(buffer);

   362 }

   364 UCX_TEST(test_ucx_buffer_write) {

   365     char *buffer = (char*) malloc(32);

   366     memset(buffer, 0, 32);

   368     memset(buffer, 32, 8);

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

   370         buffer[i] = 40+i;

   371     }

   373     UcxBuffer *b = ucx_buffer_new(buffer, 32, UCX_BUFFER_DEFAULT);

   374     int r;

   376     UCX_TEST_BEGIN

   377     b->pos = 4;

   378     r = ucx_buffer_write("test string", 1, 11, b);

   379     UCX_TEST_ASSERT(r == 11, "returned incorrect number of written bytes");

   380     UCX_TEST_ASSERT(b->pos == 15, "incorrect position");

   381     UCX_TEST_ASSERT(memcmp(buffer, "    test string7\0\0", 18) == 0,

   382         "incorrect buffer content (test string)");

   384     r = ucx_buffer_write(".", 1, 1, b);

   385     UCX_TEST_ASSERT(r == 1, "returned incorrect number of written elements");

   386     UCX_TEST_ASSERT(b->pos == 16, "incorrect position");

   388     int32_t testarr[4] = {0x09abcdef, 0x05fedcba, 0x01abefcd, 0x3cd07ab};

   389     r = ucx_buffer_write(testarr, 4, 4, b);

   390     UCX_TEST_ASSERT(r = 4, "returned incorrect number of written elements");

   391     UCX_TEST_ASSERT(b->pos == 32, "incorrect position");

   393     char cmp[32];

   394     memset(cmp, 0, 32);

   395     memcpy(cmp, "    test string.", 16);

   396     int32_t *ptr = (int32_t*) (cmp+16);

   397     ptr[0] = testarr[0];

   398     ptr[1] = testarr[1];

   399     ptr[2] = testarr[2];

   400     ptr[3] = testarr[3];

   401     UCX_TEST_ASSERT(memcmp(buffer, cmp, 32) == 0,

   402         "incorrect buffer content (int array)");

   404     UCX_TEST_END

   406     ucx_buffer_free(b);

   407     free(buffer);

   408 }

   410 UCX_TEST(test_ucx_buffer_write_oob) {

   411     char *buffer = (char*) malloc(32);

   412     memset(buffer, 0, 32);

   414     UcxBuffer *b = ucx_buffer_new(buffer, 15, UCX_BUFFER_DEFAULT);

   415     int r;

   417     UCX_TEST_BEGIN

   418     r = ucx_buffer_write("a very long string", 1, 18, b);

   419     UCX_TEST_ASSERT(r == 15, "incorrect number of written bytes");

   420     UCX_TEST_ASSERT(memcmp(buffer, "a very long str\0\0\0", 18) == 0,

   421         "invalid buffer content (test string)");

   423     b->size = b->pos = 0;

   424     int32_t intarr[4] = {0,-1,0,-1};

   425     memset(buffer, 0, 32);

   427     r = ucx_buffer_write(intarr, 4, 4, b);

   428     UCX_TEST_ASSERT(r == 3, "incorrect number of written elements");

   429     UCX_TEST_ASSERT(memcmp(buffer,

   430         "\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0", 16) == 0,

   431         "invalid buffer content (test string)");

   433     UCX_TEST_END

   435     ucx_buffer_free(b);

   436     free(buffer);

   437 }

   439 UCX_TEST(test_ucx_buffer_write_ax) {

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

   441     memset(buffer, 0, 16);

   443     UcxBuffer *b = ucx_buffer_new(buffer, 16,

   444             UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);

   445     int r;

   447     UCX_TEST_BEGIN

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

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

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

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

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

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

   455     UCX_TEST_ASSERT(memcmp(buffer,

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

   457             "incorrect buffer content");

   459     UCX_TEST_END

   461     ucx_buffer_free(b);

   462 }

   464 UCX_TEST(test_ucx_buffer_read) {

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

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

   467     b->pos = 0;

   469     char buf[32];

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

   471     int r;

   473     UCX_TEST_BEGIN

   475     ucx_buffer_seek(b, 2, SEEK_SET);

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

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

   478     UCX_TEST_ASSERT(buf[0] == '2' && buf[1] == '3' && buf[2] == 'X',

   479             "buffer incorrect after read");

   480     UCX_TEST_ASSERT(b->pos == 4, "wrong position after read (2 items)");

   482     UCX_TEST_END

   484     ucx_buffer_free(b);

   485 }

   487 UCX_TEST(test_ucx_buffer_read_oob) {

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

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

   491     char buf[32];

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

   493     int r;

   495     UCX_TEST_BEGIN

   497     b->pos = 2;

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

   499     UCX_TEST_ASSERT(r == 6, "wrong number of bytes read (8 items)");

   500     UCX_TEST_ASSERT(memcmp(buf, "XX234567XX", 10) == 0,

   501             "buffer incorrect after read");

   502     UCX_TEST_ASSERT(b->pos == 8,

   503         "wrong position after read (8 items out of bound)");

   505     b->pos = 0;

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

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

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

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

   512             "buffer incorrect after block out of bounds read");

   514     r = ucx_buffer_read(buf+6, 1, 5, b);

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

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

   518             "buffer incorrect after remaining byte read");

   520     UCX_TEST_END

   522     ucx_buffer_free(b);

   523 }

   525 UCX_TEST(test_ucx_buffer_extract) {

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

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

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

   530     src->size = 16;

   531     UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_AUTOEXTEND);

   533     UCX_TEST_BEGIN

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

   535     UCX_TEST_ASSERT(dst->flags == (UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE),

   536             "autofree flag shall be enforced");

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

   538     UCX_TEST_ASSERT(dst->capacity == 5, "wrong capacity for new buffer");

   539     UCX_TEST_ASSERT(dst->pos == 0, "wrong position for new buffer");

   540     char rb[5];

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

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

   543             "new buffer has incorrect content");

   545     UCX_TEST_END

   547     ucx_buffer_free(dst);

   548     ucx_buffer_free(src);

   549 }

   551 UCX_TEST(test_ucx_buffer_extract_oob) {

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

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

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

   556     src->size = 16;

   558     UCX_TEST_BEGIN

   560     UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, 0, UCX_BUFFER_DEFAULT) == NULL,

   561             "extract shall fail on zero length");

   562     UCX_TEST_ASSERT(ucx_buffer_extract(src, 10, 10, UCX_BUFFER_DEFAULT) == NULL,

   563             "extract shall fail on invalid bounds (size exceeds limits)");

   564     UCX_TEST_ASSERT(ucx_buffer_extract(src, 20, -7, UCX_BUFFER_DEFAULT) == NULL,

   565             "extract shall fail on invalid bounds (start exceeds limits)");

   567     UCX_TEST_END

   569     ucx_buffer_free(src);

   570 }

   572 UCX_TEST(test_ucx_buffer_extract_overflow) {

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

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

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

   577     src->size = 16;

   579     UCX_TEST_BEGIN

   581     UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, (size_t)-4,

   582         UCX_BUFFER_DEFAULT) == NULL, "extract shall fail on integer overflow");

   584     UCX_TEST_END

   586     ucx_buffer_free(src);

   587 }

   589 UCX_TEST(test_ucx_buffer_extend) {

   591     UcxBuffer *b = ucx_buffer_new(NULL, 10, UCX_BUFFER_DEFAULT);

   593     UCX_TEST_BEGIN

   595     UCX_TEST_ASSERT(ucx_buffer_extend(b, 15) == 0, "shall return 0 on success");

   596     UCX_TEST_ASSERT(b->capacity = 40, "wrong capacity");

   597     UCX_TEST_ASSERT((b->size == 0 && b->pos == 0),

   598         "pos and size shall remain unchanged");

   600     UCX_TEST_ASSERT(ucx_buffer_extend(b, (size_t) - 61) != 0,

   601         "shall fail and return a non-zero value on overflow");

   603     UCX_TEST_END

   605     ucx_buffer_free(b);

   606 }

Mercurial > hg > ucx / file revision

test/buffer_tests.c@2df780a4482b

test/buffer_tests.c