libisofs/test/test_stream.c

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/*
* Unit test for util.h
*
* This test utiliy functions
*/
#include "test.h"
#include "stream.h"
#include <stdlib.h>
static
void test_mem_new()
{
int ret;
IsoStream *stream;
unsigned char *buf;
buf = malloc(3000);
ret = iso_memory_stream_new(buf, 3000, &stream);
CU_ASSERT_EQUAL(ret, 1);
iso_stream_unref(stream);
ret = iso_memory_stream_new(NULL, 3000, &stream);
CU_ASSERT_EQUAL(ret, ISO_NULL_POINTER);
ret = iso_memory_stream_new(buf, 3000, NULL);
CU_ASSERT_EQUAL(ret, ISO_NULL_POINTER);
}
static
void test_mem_open()
{
int ret;
IsoStream *stream;
unsigned char *buf;
buf = malloc(3000);
ret = iso_memory_stream_new(buf, 3000, &stream);
CU_ASSERT_EQUAL(ret, 1);
ret = iso_stream_open(stream);
CU_ASSERT_EQUAL(ret, 1);
/* try to open an already opened stream */
ret = iso_stream_open(stream);
CU_ASSERT_EQUAL(ret, ISO_FILE_ALREADY_OPENED);
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ret = iso_stream_close(stream);
CU_ASSERT_EQUAL(ret, 1);
ret = iso_stream_close(stream);
CU_ASSERT_EQUAL(ret, ISO_FILE_NOT_OPENED);
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iso_stream_unref(stream);
}
static
void test_mem_read()
{
int ret;
IsoStream *stream;
unsigned char *buf;
unsigned char rbuf[3000];
buf = malloc(3000);
memset(buf, 2, 200);
memset(buf + 200, 3, 300);
memset(buf + 500, 5, 500);
memset(buf + 1000, 10, 1000);
memset(buf + 2000, 56, 48);
memset(buf + 2048, 137, 22);
memset(buf + 2070, 13, 130);
memset(buf + 2200, 88, 800);
ret = iso_memory_stream_new(buf, 3000, &stream);
CU_ASSERT_EQUAL(ret, 1);
/* test 1: read full buf */
ret = iso_stream_open(stream);
CU_ASSERT_EQUAL(ret, 1);
ret = iso_stream_read(stream, rbuf, 3000);
CU_ASSERT_EQUAL(ret, 3000);
CU_ASSERT_NSTRING_EQUAL(rbuf, buf, 3000);
/* read again is EOF */
ret = iso_stream_read(stream, rbuf, 20);
CU_ASSERT_EQUAL(ret, 0);
ret = iso_stream_close(stream);
CU_ASSERT_EQUAL(ret, 1);
/* test 2: read more than available bytes */
ret = iso_stream_open(stream);
CU_ASSERT_EQUAL(ret, 1);
ret = iso_stream_read(stream, rbuf, 3050);
CU_ASSERT_EQUAL(ret, 3000);
CU_ASSERT_NSTRING_EQUAL(rbuf, buf, 3000);
/* read again is EOF */
ret = iso_stream_read(stream, rbuf, 20);
CU_ASSERT_EQUAL(ret, 0);
ret = iso_stream_close(stream);
CU_ASSERT_EQUAL(ret, 1);
/* test 3: read in block size */
ret = iso_stream_open(stream);
CU_ASSERT_EQUAL(ret, 1);
ret = iso_stream_read(stream, rbuf, 2048);
CU_ASSERT_EQUAL(ret, 2048);
CU_ASSERT_NSTRING_EQUAL(rbuf, buf, 2048);
ret = iso_stream_read(stream, rbuf, 2048);
CU_ASSERT_EQUAL(ret, 3000 - 2048);
CU_ASSERT_NSTRING_EQUAL(rbuf, buf + 2048, 3000 - 2048);
ret = iso_stream_read(stream, rbuf, 20);
CU_ASSERT_EQUAL(ret, 0);
ret = iso_stream_close(stream);
CU_ASSERT_EQUAL(ret, 1);
iso_stream_unref(stream);
}
static
void test_mem_size()
{
int ret;
off_t size;
IsoStream *stream;
unsigned char *buf;
buf = malloc(3000);
ret = iso_memory_stream_new(buf, 3000, &stream);
CU_ASSERT_EQUAL(ret, 1);
size = iso_stream_get_size(stream);
CU_ASSERT_EQUAL(size, 3000);
iso_stream_unref(stream);
}
void add_stream_suite()
{
CU_pSuite pSuite = CU_add_suite("IsoStreamSuite", NULL, NULL);
CU_add_test(pSuite, "iso_memory_stream_new()", test_mem_new);
CU_add_test(pSuite, "MemoryStream->open()", test_mem_open);
CU_add_test(pSuite, "MemoryStream->read()", test_mem_read);
CU_add_test(pSuite, "MemoryStream->get_size()", test_mem_size);
}