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lib: Created basic test suite for ostream-buffer.
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/* Copyright (c) 2017 Dovecot authors, see the included COPYING file */ | ||
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#include "test-lib.h" | ||
#include "buffer.h" | ||
#include "str.h" | ||
#include "randgen.h" | ||
#include "istream.h" | ||
#include "ostream.h" | ||
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#define MAX_BUFSIZE 256 | ||
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static void test_ostream_buffer_random_once(void) | ||
{ | ||
buffer_t *buffer; | ||
struct ostream *output; | ||
char buf[MAX_BUFSIZE*4], randbuf[MAX_BUFSIZE]; | ||
unsigned int i, offset, size; | ||
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buffer = buffer_create_dynamic(default_pool, 8); | ||
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memset(buf, 0, sizeof(buf)); | ||
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output = o_stream_create_buffer(buffer); | ||
o_stream_cork(output); | ||
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size = (rand() % MAX_BUFSIZE) + 1; | ||
random_fill_weak(randbuf, size); | ||
memcpy(buf, randbuf, size); | ||
test_assert(o_stream_send(output, buf, size) > 0); | ||
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for (i = 0; i < 10; i++) { | ||
offset = rand() % (MAX_BUFSIZE*3); | ||
size = (rand() % MAX_BUFSIZE) + 1; | ||
random_fill_weak(randbuf, size); | ||
memcpy(buf + offset, randbuf, size); | ||
test_assert(o_stream_pwrite(output, randbuf, size, offset) == 0); | ||
if (rand() % 10 == 0) | ||
test_assert(o_stream_flush(output) > 0); | ||
} | ||
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test_assert(o_stream_flush(output) > 0); | ||
o_stream_uncork(output); | ||
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i_assert(buffer->used <= MAX_BUFSIZE*4); | ||
test_assert(memcmp(buf, buffer->data, buffer->used) == 0); | ||
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o_stream_unref(&output); | ||
buffer_free(&buffer); | ||
} | ||
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static void test_ostream_buffer_random(void) | ||
{ | ||
unsigned int i; | ||
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test_begin("ostream buffer pwrite random"); | ||
for (i = 0; i < 100; i++) T_BEGIN { | ||
test_ostream_buffer_random_once(); | ||
} T_END; | ||
test_end(); | ||
} | ||
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static void test_ostream_buffer_size(void) | ||
{ | ||
struct ostream *output; | ||
string_t *str = t_str_new(64); | ||
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test_begin("ostream buffer size/available"); | ||
output = o_stream_create_buffer(str); | ||
test_assert(o_stream_get_buffer_used_size(output) == 0); | ||
test_assert(o_stream_get_buffer_avail_size(output) == (size_t)-1); | ||
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/* test shrinking sink's max buffer size */ | ||
o_stream_set_max_buffer_size(output, 10); | ||
test_assert(o_stream_get_buffer_used_size(output) == 0); | ||
test_assert(o_stream_get_buffer_avail_size(output) == 10); | ||
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/* partial send */ | ||
const char *partial_input = "01234567890123456789"; | ||
ssize_t ret = o_stream_send_str(output, partial_input); | ||
test_assert(ret == 10); | ||
test_assert(o_stream_get_buffer_used_size(output) == 10); | ||
test_assert(o_stream_get_buffer_avail_size(output) == 0); | ||
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/* increase max buffer size so that it can hold the whole message */ | ||
o_stream_set_max_buffer_size(output, 100); | ||
test_assert(o_stream_get_buffer_used_size(output) == 10); | ||
test_assert(o_stream_get_buffer_avail_size(output) == 90); | ||
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/* send the rest */ | ||
ret += o_stream_send_str(output, partial_input + ret); | ||
test_assert(ret == (ssize_t)strlen(partial_input)); | ||
test_assert(output->offset == str_len(str)); | ||
test_assert(o_stream_get_buffer_used_size(output) == 20); | ||
test_assert(o_stream_get_buffer_avail_size(output) == 80); | ||
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/* check buffered data */ | ||
test_assert(strcmp(str_c(str), partial_input) == 0); | ||
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o_stream_unref(&output); | ||
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test_end(); | ||
} | ||
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void test_ostream_buffer(void) | ||
{ | ||
test_ostream_buffer_random(); | ||
test_ostream_buffer_size(); | ||
} |