universe@56: /*
universe@103:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@56:  *
universe@259:  * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
universe@103:  *
universe@103:  * Redistribution and use in source and binary forms, with or without
universe@103:  * modification, are permitted provided that the following conditions are met:
universe@103:  *
universe@103:  *   1. Redistributions of source code must retain the above copyright
universe@103:  *      notice, this list of conditions and the following disclaimer.
universe@103:  *
universe@103:  *   2. Redistributions in binary form must reproduce the above copyright
universe@103:  *      notice, this list of conditions and the following disclaimer in the
universe@103:  *      documentation and/or other materials provided with the distribution.
universe@103:  *
universe@103:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@103:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@103:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@103:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@103:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@103:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@103:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@103:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@103:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@103:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@103:  * POSSIBILITY OF SUCH DAMAGE.
universe@56:  */
universe@56: 
universe@60: #include "buffer_tests.h"
universe@230: #include <stdint.h>
universe@164: 
universe@166: UCX_TEST(test_ucx_buffer_new) {
universe@166:     UcxBuffer *b = ucx_buffer_new(NULL, 16, UCX_BUFFER_AUTOEXTEND);
universe@166:     UcxBuffer *b2 = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@166:     UCX_TEST_BEGIN
universe@166: 
universe@166:     UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");
universe@166:     UCX_TEST_ASSERT(b2->capacity==32, "wrong capacity");
universe@166:     
universe@166:     UCX_TEST_ASSERT(b->size==0, "wrong size");
universe@166:     UCX_TEST_ASSERT(b2->size==0, "wrong size");
universe@166:     
universe@166:     UCX_TEST_ASSERT(b->pos==0, "wrong position");
universe@166:     UCX_TEST_ASSERT(b2->pos==0, "wrong position");
universe@166:     
universe@166:     UCX_TEST_ASSERT(b->flags==(UCX_BUFFER_AUTOEXTEND|UCX_BUFFER_AUTOFREE),
universe@166:         "wrong flags for autoextending buffer");
universe@166:     UCX_TEST_ASSERT(b2->flags==UCX_BUFFER_AUTOFREE,
universe@166:         "wrong flags for default bufer");
universe@166:     
universe@166:     UCX_TEST_END
universe@166:     ucx_buffer_free(b2);
universe@166:     ucx_buffer_free(b);
universe@166: }
universe@166: 
universe@166: UCX_TEST(test_ucx_buffer_new_prealloc) {
universe@166:     char* test = (char*) malloc(16);
universe@166:     UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);
universe@166:     UCX_TEST_BEGIN
universe@166: 
universe@166:     UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");
universe@166:     UCX_TEST_ASSERT(b->size==0, "wrong size");    
universe@166:     UCX_TEST_ASSERT(b->pos==0, "wrong position");
universe@166:     
universe@166:     UCX_TEST_ASSERT(b->flags==0, "wrong flags - all should be cleared");
universe@166:     
universe@166:     UCX_TEST_END
universe@166:     free(test);
universe@166:     ucx_buffer_free(b);
universe@166: }
universe@166: 
universe@164: UCX_TEST(test_ucx_buffer_eof) {
universe@185:     char *test = (char*)"0123456789ABCDEF";
universe@164:     UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);
universe@164:     UCX_TEST_BEGIN
universe@164:     b->pos = 9; b->size = 10;
universe@164:     UCX_TEST_ASSERT(!ucx_buffer_eof(b), "false positive");
universe@164:     b->pos = 10; b->size = 10;
universe@164:     UCX_TEST_ASSERT(ucx_buffer_eof(b), "pos == size should be EOF");
universe@164:     b->pos = 11; b->size = 10;
universe@164:     UCX_TEST_ASSERT(ucx_buffer_eof(b), "false negative");
universe@164:     UCX_TEST_END
olaf@227:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_seek_overflow) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164:     b->size = 32;
universe@164:     int r;
universe@164:     
universe@164:     UCX_TEST_BEGIN
universe@218:     const size_t sizemax = (size_t)-1;
universe@218:     size_t bigpos = sizemax - 5000;
universe@164:     b->pos = bigpos;
universe@164:     r = ucx_buffer_seek(b, 5016, SEEK_CUR);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek cur overflow");
universe@164:     UCX_TEST_ASSERT(b->pos == bigpos,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     
universe@164:     b->pos = 0;
universe@230:     b->size = (sizemax >> 1) + 32;
universe@230:     
universe@230:     // we don't want to risk overflows in implicit constant casts
universe@230:     const size_t bigoff_comp = (sizemax >> 1) - 16;
universe@230:     off_t bigoff = (off_t)bigoff_comp;
universe@230:     
universe@164:     r = ucx_buffer_seek(b, -bigoff, SEEK_CUR);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek cur underflow");
universe@164:     UCX_TEST_ASSERT(b->pos == 0,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     
universe@164:     UCX_TEST_END
universe@164:     
universe@164:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_seek_invalid) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164:     b->pos = 7;
universe@164:     int r;
universe@164:     
universe@164:     UCX_TEST_BEGIN
universe@164:     r = ucx_buffer_seek(b, 0, ~(SEEK_SET|SEEK_CUR|SEEK_END));
universe@164:     UCX_TEST_ASSERT(r != 0, "invalid whence shall fail");
universe@164:     UCX_TEST_ASSERT(b->pos == 7,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     UCX_TEST_END
universe@164:     
universe@164:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_seek_oob) {
olaf@76:     UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
olaf@76:     b->size = 16; // less than capacity
universe@164:     b->pos = 7;
universe@164:     int r;
universe@164: 
universe@164:     UCX_TEST_BEGIN
universe@164:     
universe@164:     r = ucx_buffer_seek(b, -1, SEEK_SET);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek SET below bounds shall fail");
universe@164:     UCX_TEST_ASSERT(b->pos == 7,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     
universe@164:     r = ucx_buffer_seek(b, 16, SEEK_SET);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek SET above bounds shall fail");
universe@164:     UCX_TEST_ASSERT(b->pos == 7,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     
universe@164:     r = ucx_buffer_seek(b, -8, SEEK_CUR);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek CUR below bounds shall fail");
universe@164:     UCX_TEST_ASSERT(b->pos == 7,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     
universe@164:     r = ucx_buffer_seek(b, 9, SEEK_CUR);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek CUR above bounds shall fail");
universe@164:     UCX_TEST_ASSERT(b->pos == 7,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     
universe@164:     r = ucx_buffer_seek(b, -17, SEEK_END);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek END below bounds shall fail");
universe@164:     UCX_TEST_ASSERT(b->pos == 7,
universe@164:             "failed seek shall leave pos unchanged");
universe@164:     
universe@164:     r = ucx_buffer_seek(b, 1, SEEK_END);
universe@164:     UCX_TEST_ASSERT(r != 0, "seek END above bounds shall fail");
universe@164:     UCX_TEST_ASSERT(b->pos == 7,
universe@164:             "failed seek shall leave pos unchanged");
universe@164: 
universe@164:     UCX_TEST_END
universe@164: 
universe@164:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_seek_set) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164:     b->size = 16;
universe@56:     int r;
universe@56: 
universe@56:     UCX_TEST_BEGIN
universe@56: 
universe@60:     r = ucx_buffer_seek(b, 5, SEEK_SET);
universe@56:     UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");
universe@63:     UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");
universe@164:     
universe@164:     
universe@164:     r = ucx_buffer_seek(b, 10, SEEK_SET);
universe@164:     UCX_TEST_ASSERT(r == 0, "seek SET+10 failed");
universe@164:     UCX_TEST_ASSERT(b->pos == 10, "seek SET+10 set wrong position");
universe@56: 
universe@164:     UCX_TEST_END
universe@56: 
universe@164:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_seek_cur) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164:     b->size = 16;
universe@164:     int r;
universe@164: 
universe@164:     UCX_TEST_BEGIN
universe@164:     
universe@164:     b->pos = 7;
universe@60:     r = ucx_buffer_seek(b, 5, SEEK_CUR);
universe@56:     UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");
universe@164:     UCX_TEST_ASSERT(b->pos == 12, "seek CUR+5 set wrong position");
universe@56: 
universe@164:     UCX_TEST_END
universe@56: 
universe@164:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_seek_end) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164:     b->size = 16;
universe@164:     int r;
universe@164: 
universe@164:     UCX_TEST_BEGIN
universe@164:     
universe@60:     r = ucx_buffer_seek(b, -5, SEEK_END);
universe@56:     UCX_TEST_ASSERT(r == 0, "seek END-5 failed");
olaf@76:     UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");
universe@56: 
universe@56: 
universe@56:     UCX_TEST_END
universe@56: 
universe@60:     ucx_buffer_free(b);
olaf@76: }
olaf@76: 
universe@134: UCX_TEST(test_ucx_buffer_putc) {
olaf@76:     char *buffer = (char*) malloc(16);
olaf@76:     memset(buffer, 32, 16);
olaf@76: 
olaf@76:     UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76:     b->size = b->capacity;
olaf@76: 
olaf@76:     UCX_TEST_BEGIN
olaf@76: 
universe@164:     ucx_buffer_seek(b, 0, SEEK_SET);
universe@164:     UCX_TEST_ASSERT(ucx_buffer_putc(b, '0'|~0xFF) == '0',
universe@164:             "putc shall return (arg & 0xFF)");
olaf@76:     ucx_buffer_putc(b, '0');
olaf@76:     ucx_buffer_putc(b, '0');
olaf@76:     
olaf@76:     UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");
olaf@76:     ucx_buffer_seek(b, 10, SEEK_CUR);
olaf@76:     
olaf@76:     ucx_buffer_putc(b, '0');
olaf@76:     ucx_buffer_putc(b, '0');
olaf@76:     ucx_buffer_putc(b, '0');
olaf@76:     
olaf@76:     UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");
olaf@76:     
universe@164:     UCX_TEST_ASSERT(!memcmp(b->space, "000          000", 16),
universe@164:             "buffer content wrong")
universe@164:     UCX_TEST_END
universe@164:     ucx_buffer_free(b);
universe@164:     free(buffer);
universe@164: }
olaf@76:     
universe@164: UCX_TEST(test_ucx_buffer_putc_oob) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_DEFAULT);
universe@164:     
universe@164:     UCX_TEST_BEGIN
universe@164:     b->pos = b->size = b->capacity = 1;
universe@164:     b->space[1] = 'X';
universe@164:     
universe@164:     UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF, "put shall return EOF "
universe@164:             "when buffer is full and auto extend is disabled");
universe@164:     UCX_TEST_ASSERT(!memcmp(b->space, "\0X", 2),
universe@164:             "wrong buffer content after failed putc");
olaf@76: 
olaf@76:     UCX_TEST_END
olaf@76: 
olaf@76:     ucx_buffer_free(b);
universe@56: }
universe@56: 
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_putc_ae) {
olaf@76:     UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
universe@164:     ucx_buffer_putc(b, '0');
universe@164:     ucx_buffer_putc(b, '1');
olaf@76:     
universe@56:     UCX_TEST_BEGIN
olaf@76:     
universe@164:     UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");
universe@164:     UCX_TEST_ASSERT(b->size == 2, "size wrong after first 2 puts");
universe@164:     UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");
universe@164:     UCX_TEST_ASSERT(!memcmp(b->space,"01", 2), "wrong content");
universe@164:     
universe@164:     UCX_TEST_END
universe@164:     
universe@164:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@164: UCX_TEST(test_ucx_buffer_putc_oobae) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
olaf@76:     ucx_buffer_putc(b, '0');
olaf@76:     ucx_buffer_putc(b, '1');
olaf@76:     
universe@164:     UCX_TEST_BEGIN
olaf@76:     
olaf@76:     ucx_buffer_putc(b, 'a');
olaf@76:     
universe@164:     UCX_TEST_ASSERT(b->pos == 3, "pos wrong after put");
olaf@76:     UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");
olaf@76:     UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");
olaf@76:     
universe@164:     UCX_TEST_ASSERT(!memcmp(b->space,"01a\0", 4), "wrong content");
olaf@76:     
universe@56:     UCX_TEST_END
olaf@76:     
olaf@147:     ucx_buffer_free(b);
universe@56: }
universe@56: 
universe@164: UCX_TEST(test_ucx_buffer_putc_size) {
universe@164:     UcxBuffer *b = ucx_buffer_new(NULL, 4, UCX_BUFFER_DEFAULT);
universe@164:     
universe@164:     UCX_TEST_BEGIN
universe@164:     
universe@164:     UCX_TEST_ASSERT(b->size == 0, "wrong initial size");
universe@164:     ucx_buffer_putc(b, 'a');
universe@164:     ucx_buffer_putc(b, 'b');
universe@164:     ucx_buffer_putc(b, 'c');
universe@164:     UCX_TEST_ASSERT(b->size == 3, "size does not increase");
universe@164:     ucx_buffer_seek(b, 1, SEEK_SET);
universe@164:     ucx_buffer_putc(b, 'd');
universe@164:     UCX_TEST_ASSERT(b->size == 3, "size shall not decrease");
universe@164:     UCX_TEST_ASSERT(b->pos == 2, "wrong position after seek and putc");
universe@164: 
universe@164:     UCX_TEST_END
universe@164: 
universe@164:     ucx_buffer_free(b);
universe@164: }
universe@164: 
universe@134: UCX_TEST(test_ucx_buffer_getc) {
universe@69:     char *buffer = (char*) malloc(16);
universe@56:     memset(buffer, 32, 8);
universe@56:     for (int i = 8; i < 16 ; i++) {
universe@56:         buffer[i] = 40+i;
universe@56:     }
universe@56: 
universe@61:     UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76:     b->size = b->capacity;
olaf@269:     
olaf@269:     unsigned char ubuffer[] = {127, 128, 129, 130};
olaf@269:     UcxBuffer *ub = ucx_buffer_new(ubuffer, 4, UCX_BUFFER_DEFAULT);
olaf@269:     ub->size = 4;
universe@56: 
universe@56:     UCX_TEST_BEGIN
universe@56: 
universe@56:     char rb[16];
universe@95:     for (size_t i = 0 ; i < 16 ; i++) {
universe@166:         UCX_TEST_ASSERT(b->pos == i, "wrong position");
universe@166:         UCX_TEST_ASSERT(!ucx_buffer_eof(b), "EOF false positive");
universe@60:         rb[i] = ucx_buffer_getc(b);
universe@56:     }
universe@56:     UCX_TEST_ASSERT(memcmp(rb, "        01234567", 16) == 0,
universe@166:         "read data incorrect");
universe@166:         
universe@166:     UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set after last possible read");
universe@166:     UCX_TEST_ASSERT(b->pos == 16, "wrong position after EOF");
universe@166:     
universe@166:     UCX_TEST_ASSERT(ucx_buffer_getc(b) == EOF,
universe@166:         "out of bounds read does not return EOF");
universe@166:     UCX_TEST_ASSERT(b->pos == 16, "wrong position after out of bounds read");
olaf@269:     
olaf@269:     int uc[5];
olaf@269:     for(int i=0;i<5;i++) {
olaf@269:         uc[i] = ucx_buffer_getc(ub);
olaf@269:     }
olaf@269:     UCX_TEST_ASSERT(uc[0] == 127, "wrong unsigned value(0)");
olaf@269:     UCX_TEST_ASSERT(uc[1] == 128, "wrong unsigned value(0)");
olaf@269:     UCX_TEST_ASSERT(uc[2] == 129, "wrong unsigned value(0)");
olaf@269:     UCX_TEST_ASSERT(uc[3] == 130, "wrong unsigned value(0)");
olaf@269:     UCX_TEST_ASSERT(uc[4] == EOF, "EOF not set after last ub read");
universe@56: 
universe@56:     UCX_TEST_END
universe@56: 
universe@60:     ucx_buffer_free(b);
olaf@269:     ucx_buffer_free(ub);
universe@56:     free(buffer);
universe@56: }
universe@56: 
universe@134: UCX_TEST(test_ucx_buffer_write) {
universe@168:     char *buffer = (char*) malloc(32);
universe@169:     memset(buffer, 0, 32);
universe@169:     
universe@56:     memset(buffer, 32, 8);
universe@56:     for (int i = 8; i < 16 ; i++) {
universe@56:         buffer[i] = 40+i;
universe@56:     }
universe@56: 
universe@168:     UcxBuffer *b = ucx_buffer_new(buffer, 32, UCX_BUFFER_DEFAULT);
universe@56:     int r;
universe@56: 
universe@56:     UCX_TEST_BEGIN
universe@168:     b->pos = 4;
universe@168:     r = ucx_buffer_write("test string", 1, 11, b);
universe@168:     UCX_TEST_ASSERT(r == 11, "returned incorrect number of written bytes");
universe@168:     UCX_TEST_ASSERT(b->pos == 15, "incorrect position");
universe@168:     UCX_TEST_ASSERT(memcmp(buffer, "    test string7\0\0", 18) == 0,
universe@168:         "incorrect buffer content (test string)");
universe@168:     
olaf@219:     r = ucx_buffer_write(".", 1, 1, b);
olaf@219:     UCX_TEST_ASSERT(r == 1, "returned incorrect number of written elements");
olaf@219:     UCX_TEST_ASSERT(b->pos == 16, "incorrect position");
olaf@219:     
universe@168:     int32_t testarr[4] = {0x09abcdef, 0x05fedcba, 0x01abefcd, 0x3cd07ab};
universe@168:     r = ucx_buffer_write(testarr, 4, 4, b);
universe@168:     UCX_TEST_ASSERT(r = 4, "returned incorrect number of written elements");
olaf@219:     UCX_TEST_ASSERT(b->pos == 32, "incorrect position");
universe@168:     
universe@168:     char cmp[32];
universe@168:     memset(cmp, 0, 32);
olaf@219:     memcpy(cmp, "    test string.", 16);
olaf@219:     int32_t *ptr = (int32_t*) (cmp+16);
universe@168:     ptr[0] = testarr[0];
universe@168:     ptr[1] = testarr[1];
universe@168:     ptr[2] = testarr[2];
universe@168:     ptr[3] = testarr[3];
universe@168:     UCX_TEST_ASSERT(memcmp(buffer, cmp, 32) == 0,
universe@168:         "incorrect buffer content (int array)");
universe@168:     
universe@168:     UCX_TEST_END
universe@56: 
universe@168:     ucx_buffer_free(b);
universe@168:     free(buffer);
universe@168: }
universe@56: 
universe@168: UCX_TEST(test_ucx_buffer_write_oob) {
universe@168:     char *buffer = (char*) malloc(32);
universe@168:     memset(buffer, 0, 32);
universe@56: 
universe@168:     UcxBuffer *b = ucx_buffer_new(buffer, 15, UCX_BUFFER_DEFAULT);
universe@168:     int r;
universe@56: 
universe@168:     UCX_TEST_BEGIN
universe@168:     r = ucx_buffer_write("a very long string", 1, 18, b);
universe@168:     UCX_TEST_ASSERT(r == 15, "incorrect number of written bytes");
universe@168:     UCX_TEST_ASSERT(memcmp(buffer, "a very long str\0\0\0", 18) == 0,
universe@168:         "invalid buffer content (test string)");
universe@168:     
universe@168:     b->size = b->pos = 0;
universe@168:     int32_t intarr[4] = {0,-1,0,-1};
universe@168:     memset(buffer, 0, 32);
universe@168:     
universe@168:     r = ucx_buffer_write(intarr, 4, 4, b);
universe@168:     UCX_TEST_ASSERT(r == 3, "incorrect number of written elements");
universe@168:     UCX_TEST_ASSERT(memcmp(buffer,
universe@168:         "\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0", 16) == 0,
universe@168:         "invalid buffer content (test string)");
universe@168:     
universe@56:     UCX_TEST_END
universe@56: 
universe@60:     ucx_buffer_free(b);
universe@56:     free(buffer);
universe@56: }
universe@56: 
universe@134: UCX_TEST(test_ucx_buffer_write_ax) {
olaf@76:     char *buffer = (char*) malloc(16);
universe@169:     memset(buffer, 0, 16);
universe@64: 
universe@64:     UcxBuffer *b = ucx_buffer_new(buffer, 16,
universe@64:             UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);
universe@64:     int r;
universe@64: 
universe@64:     UCX_TEST_BEGIN
universe@64: 
universe@69:     const char* teststring = "this is way too much";
universe@69:     r = ucx_buffer_write((void*)teststring, 1, 20, b);
universe@69:     buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/
universe@64:     UCX_TEST_ASSERT(r == 20, "not all characters written");
olaf@76:     UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");
universe@64:     UCX_TEST_ASSERT(b->pos == 20, "position incorrect");
universe@64:     UCX_TEST_ASSERT(memcmp(buffer,
universe@64:             "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,
universe@64:             "incorrect buffer content");
universe@64: 
universe@64:     UCX_TEST_END
universe@64: 
universe@64:     ucx_buffer_free(b);
universe@64: }
universe@64: 
universe@134: UCX_TEST(test_ucx_buffer_read) {
olaf@76:     UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
universe@166:     ucx_buffer_write("01234567", 1, 8, b);
universe@166:     b->pos = 0;
olaf@76:     
olaf@76:     char buf[32];
olaf@76:     memset(buf, 'X', 32);
universe@56:     int r;
olaf@76:     
universe@56:     UCX_TEST_BEGIN
olaf@76:     
universe@166:     ucx_buffer_seek(b, 2, SEEK_SET);
universe@166:     r = ucx_buffer_read(buf, 1, 2, b);
universe@166:     UCX_TEST_ASSERT(r == 2, "wrong number of bytes read (2 items)");
universe@166:     UCX_TEST_ASSERT(buf[0] == '2' && buf[1] == '3' && buf[2] == 'X',
universe@166:             "buffer incorrect after read");
universe@166:     UCX_TEST_ASSERT(b->pos == 4, "wrong position after read (2 items)");
universe@166:     
universe@166:     UCX_TEST_END
universe@166:     
universe@166:     ucx_buffer_free(b);
universe@166: }
universe@166: 
universe@166: UCX_TEST(test_ucx_buffer_read_oob) {
universe@166:     UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
olaf@76:     ucx_buffer_write("01234567", 1, 8, b);
universe@166:     
universe@166:     char buf[32];
universe@166:     memset(buf, 'X', 32);
universe@166:     int r;
universe@166:     
universe@166:     UCX_TEST_BEGIN
universe@166: 
universe@166:     b->pos = 2;
universe@166:     r = ucx_buffer_read(buf + 2, 1, 8, b);
universe@166:     UCX_TEST_ASSERT(r == 6, "wrong number of bytes read (8 items)");
universe@166:     UCX_TEST_ASSERT(memcmp(buf, "XX234567XX", 10) == 0,
universe@166:             "buffer incorrect after read");
universe@166:     UCX_TEST_ASSERT(b->pos == 8,
universe@166:         "wrong position after read (8 items out of bound)");
universe@166: 
olaf@76:     b->pos = 0;
universe@166:     memset(buf, 'X', 32);
olaf@76:     
olaf@76:     r = ucx_buffer_read(buf, 3, 3, b);
olaf@76:     
olaf@76:     UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");
olaf@76:     UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,
universe@166:             "buffer incorrect after block out of bounds read");
olaf@76:     
universe@166:     r = ucx_buffer_read(buf+6, 1, 5, b);
universe@166:     
universe@166:     UCX_TEST_ASSERT(r == 2, "wrong number of remaining bytes read");
universe@166:     UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,
universe@166:             "buffer incorrect after remaining byte read");
olaf@76:     
universe@56:     UCX_TEST_END
olaf@76:     
olaf@147:     ucx_buffer_free(b);
universe@56: }
universe@62: 
universe@134: UCX_TEST(test_ucx_buffer_extract) {
universe@69:     char *buffer = (char*) malloc(16);
universe@62:     strcpy(buffer, "this is a test!");
universe@62: 
olaf@76:     UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
universe@168:     src->size = 16;
universe@167:     UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_AUTOEXTEND);
universe@62: 
universe@62:     UCX_TEST_BEGIN
olaf@76:     UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");
universe@167:     UCX_TEST_ASSERT(dst->flags == (UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE),
universe@62:             "autofree flag shall be enforced");
universe@63:     UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");
universe@167:     UCX_TEST_ASSERT(dst->capacity == 5, "wrong capacity for new buffer");
universe@167:     UCX_TEST_ASSERT(dst->pos == 0, "wrong position for new buffer");
universe@62:     char rb[5];
universe@62:     ucx_buffer_read(rb, 1, 5, dst);
universe@62:     UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,
universe@62:             "new buffer has incorrect content");
universe@62: 
universe@167:     UCX_TEST_END
universe@167: 
universe@167:     ucx_buffer_free(dst);
universe@167:     ucx_buffer_free(src);
universe@167: }
universe@167: 
universe@167: UCX_TEST(test_ucx_buffer_extract_oob) {
universe@167:     char *buffer = (char*) malloc(16);
universe@167:     strcpy(buffer, "this is a test!");
universe@167: 
universe@167:     UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
universe@168:     src->size = 16;
universe@168:     
universe@167:     UCX_TEST_BEGIN
universe@167:     
universe@167:     UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, 0, UCX_BUFFER_DEFAULT) == NULL,
universe@167:             "extract shall fail on zero length");
universe@167:     UCX_TEST_ASSERT(ucx_buffer_extract(src, 10, 10, UCX_BUFFER_DEFAULT) == NULL,
universe@167:             "extract shall fail on invalid bounds (size exceeds limits)");
universe@167:     UCX_TEST_ASSERT(ucx_buffer_extract(src, 20, -7, UCX_BUFFER_DEFAULT) == NULL,
universe@167:             "extract shall fail on invalid bounds (start exceeds limits)");
universe@62: 
universe@62:     UCX_TEST_END
universe@62: 
universe@167:     ucx_buffer_free(src);
universe@167: }
universe@167: 
universe@167: UCX_TEST(test_ucx_buffer_extract_overflow) {
universe@167:     char *buffer = (char*) malloc(16);
universe@167:     strcpy(buffer, "this is a test!");
universe@167: 
universe@167:     UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
universe@168:     src->size = 16;
universe@168:     
universe@167:     UCX_TEST_BEGIN
universe@167:     
universe@167:     UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, (size_t)-4,
universe@167:         UCX_BUFFER_DEFAULT) == NULL, "extract shall fail on integer overflow");
universe@167: 
universe@167:     UCX_TEST_END
universe@167: 
universe@62:     ucx_buffer_free(src);
universe@62: }
olaf@76: 
universe@168: UCX_TEST(test_ucx_buffer_extend) {
universe@168:     
universe@168:     UcxBuffer *b = ucx_buffer_new(NULL, 10, UCX_BUFFER_DEFAULT);
olaf@76:     
olaf@76:     UCX_TEST_BEGIN
olaf@76:     
universe@168:     UCX_TEST_ASSERT(ucx_buffer_extend(b, 15) == 0, "shall return 0 on success");
universe@168:     UCX_TEST_ASSERT(b->capacity = 40, "wrong capacity");
universe@168:     UCX_TEST_ASSERT((b->size == 0 && b->pos == 0),
universe@168:         "pos and size shall remain unchanged");
olaf@76:     
universe@218:     UCX_TEST_ASSERT(ucx_buffer_extend(b, (size_t) - 61) != 0,
universe@168:         "shall fail and return a non-zero value on overflow");
olaf@76:     
olaf@76:     UCX_TEST_END
olaf@76:     
universe@168:     ucx_buffer_free(b);
olaf@76: }