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glib/gio/tests/data-input-stream.c
Ernestas Kulik c01c255895 tests: data-input-stream: fix -Wduplicated-branches 
The fix makes things a bit awkward, but it seems to work just fine.

https://bugzilla.gnome.org/show_bug.cgi?id=793399
2018-02-16 17:38:26 +00:00

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/* GLib testing framework examples and tests
* Copyright (C) 2008 Red Hat, Inc.
* Authors: Tomas Bzatek <tbzatek@redhat.com>
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include <glib/glib.h>
#include <gio/gio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_LINES 0xFFF
#define MAX_BYTES 0x10000
static void
test_basic (void)
{
GInputStream *stream;
GInputStream *base_stream;
gint val;
base_stream = g_memory_input_stream_new ();
stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
g_object_get (stream, "byte-order", &val, NULL);
g_assert_cmpint (val, ==, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
g_object_set (stream, "byte-order", G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN, NULL);
g_assert_cmpint (g_data_input_stream_get_byte_order (G_DATA_INPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
g_object_get (stream, "newline-type", &val, NULL);
g_assert_cmpint (val, ==, G_DATA_STREAM_NEWLINE_TYPE_LF);
g_object_set (stream, "newline-type", G_DATA_STREAM_NEWLINE_TYPE_CR_LF, NULL);
g_assert_cmpint (g_data_input_stream_get_newline_type (G_DATA_INPUT_STREAM (stream)), ==, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
g_object_unref (stream);
g_object_unref (base_stream);
}
static void
test_seek_to_start (GInputStream *stream)
{
GError *error = NULL;
gboolean res = g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, &error);
g_assert_cmpint (res, ==, TRUE);
g_assert_no_error (error);
}
static void
test_read_lines (GDataStreamNewlineType newline_type)
{
GInputStream *stream;
GInputStream *base_stream;
GError *error = NULL;
char *data;
int line;
const char* lines[MAX_LINES];
const char* endl[4] = {"\n", "\r", "\r\n", "\n"};
/* prepare data */
int i;
for (i = 0; i < MAX_LINES; i++)
lines[i] = "some_text";
base_stream = g_memory_input_stream_new ();
g_assert (base_stream != NULL);
stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
g_assert(stream != NULL);
/* Byte order testing */
g_data_input_stream_set_byte_order (G_DATA_INPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
g_assert_cmpint (g_data_input_stream_get_byte_order (G_DATA_INPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
g_data_input_stream_set_byte_order (G_DATA_INPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
g_assert_cmpint (g_data_input_stream_get_byte_order (G_DATA_INPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
/* Line ends testing */
g_data_input_stream_set_newline_type (G_DATA_INPUT_STREAM (stream), newline_type);
g_assert_cmpint (g_data_input_stream_get_newline_type (G_DATA_INPUT_STREAM (stream)), ==, newline_type);
/* Add sample data */
for (i = 0; i < MAX_LINES; i++)
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream),
g_strconcat (lines[i], endl[newline_type], NULL), -1, g_free);
/* Seek to the start */
test_seek_to_start (base_stream);
/* Test read line */
error = NULL;
data = (char*)1;
line = 0;
while (data)
{
gsize length = -1;
data = g_data_input_stream_read_line (G_DATA_INPUT_STREAM (stream), &length, NULL, &error);
if (data)
{
g_assert_cmpstr (data, ==, lines[line]);
g_free (data);
g_assert_no_error (error);
line++;
}
if (error)
g_error_free (error);
}
g_assert_cmpint (line, ==, MAX_LINES);
g_object_unref (base_stream);
g_object_unref (stream);
}
static void
test_read_lines_LF (void)
{
test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_LF);
}
static void
test_read_lines_CR (void)
{
test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR);
}
static void
test_read_lines_CR_LF (void)
{
test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
}
static void
test_read_lines_any (void)
{
test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_ANY);
}
static void
test_read_lines_LF_valid_utf8 (void)
{
GInputStream *stream;
GInputStream *base_stream;
GError *error = NULL;
char *line;
guint n_lines = 0;
base_stream = g_memory_input_stream_new ();
stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream),
"foo\nthis is valid UTF-8 ☺!\nbar\n", -1, NULL);
/* Test read line */
error = NULL;
while (TRUE)
{
gsize length = -1;
line = g_data_input_stream_read_line_utf8 (G_DATA_INPUT_STREAM (stream), &length, NULL, &error);
g_assert_no_error (error);
if (line == NULL)
break;
n_lines++;
g_free (line);
}
g_assert_cmpint (n_lines, ==, 3);
g_object_unref (base_stream);
g_object_unref (stream);
}
static void
test_read_lines_LF_invalid_utf8 (void)
{
GInputStream *stream;
GInputStream *base_stream;
GError *error = NULL;
char *line;
guint n_lines = 0;
base_stream = g_memory_input_stream_new ();
stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream),
"foo\nthis is not valid UTF-8 \xE5 =(\nbar\n", -1, NULL);
/* Test read line */
error = NULL;
while (TRUE)
{
gsize length = -1;
line = g_data_input_stream_read_line_utf8 (G_DATA_INPUT_STREAM (stream), &length, NULL, &error);
if (n_lines == 0)
g_assert_no_error (error);
else
{
g_assert (error != NULL);
g_clear_error (&error);
g_free (line);
break;
}
n_lines++;
g_free (line);
}
g_assert_cmpint (n_lines, ==, 1);
g_object_unref (base_stream);
g_object_unref (stream);
}
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
static void
test_read_until (void)
{
GInputStream *stream;
GInputStream *base_stream;
GError *error = NULL;
char *data;
int line;
int i;
#define REPEATS 10 /* number of rounds */
#define DATA_STRING " part1 # part2 $ part3 % part4 ^"
#define DATA_PART_LEN 7 /* number of characters between separators */
#define DATA_SEP "#$%^"
#define DATA_SEP_LEN 4
const int DATA_PARTS_NUM = DATA_SEP_LEN * REPEATS;
base_stream = g_memory_input_stream_new ();
stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
for (i = 0; i < REPEATS; i++)
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream), DATA_STRING, -1, NULL);
/* Test stop characters */
error = NULL;
data = (char*)1;
line = 0;
while (data)
{
gsize length = -1;
data = g_data_input_stream_read_until (G_DATA_INPUT_STREAM (stream), DATA_SEP, &length, NULL, &error);
if (data)
{
g_assert_cmpint (strlen (data), ==, DATA_PART_LEN);
g_free (data);
g_assert_no_error (error);
line++;
}
}
g_assert_no_error (error);
g_assert_cmpint (line, ==, DATA_PARTS_NUM);
g_object_unref (base_stream);
g_object_unref (stream);
}
G_GNUC_END_IGNORE_DEPRECATIONS
static void
test_read_upto (void)
{
GInputStream *stream;
GInputStream *base_stream;
GError *error = NULL;
char *data;
int line;
int i;
guchar stop_char;
#undef REPEATS
#undef DATA_STRING
#undef DATA_PART_LEN
#undef DATA_SEP
#undef DATA_SEP_LEN
#define REPEATS 10 /* number of rounds */
#define DATA_STRING " part1 # part2 $ part3 \0 part4 ^"
#define DATA_PART_LEN 7 /* number of characters between separators */
#define DATA_SEP "#$\0^"
#define DATA_SEP_LEN 4
const int DATA_PARTS_NUM = DATA_SEP_LEN * REPEATS;
base_stream = g_memory_input_stream_new ();
stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
for (i = 0; i < REPEATS; i++)
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream), DATA_STRING, 32, NULL);
/* Test stop characters */
error = NULL;
data = (char*)1;
line = 0;
while (data)
{
gsize length = -1;
data = g_data_input_stream_read_upto (G_DATA_INPUT_STREAM (stream), DATA_SEP, DATA_SEP_LEN, &length, NULL, &error);
if (data)
{
g_assert_cmpint (strlen (data), ==, DATA_PART_LEN);
g_assert_no_error (error);
line++;
stop_char = g_data_input_stream_read_byte (G_DATA_INPUT_STREAM (stream), NULL, &error);
g_assert (memchr (DATA_SEP, stop_char, DATA_SEP_LEN) != NULL);
g_assert_no_error (error);
}
g_free (data);
}
g_assert_no_error (error);
g_assert_cmpint (line, ==, DATA_PARTS_NUM);
g_object_unref (base_stream);
g_object_unref (stream);
}
enum TestDataType {
TEST_DATA_BYTE = 0,
TEST_DATA_INT16,
TEST_DATA_UINT16,
TEST_DATA_INT32,
TEST_DATA_UINT32,
TEST_DATA_INT64,
TEST_DATA_UINT64
};
/* The order is reversed to avoid -Wduplicated-branches. */
#define TEST_DATA_RETYPE_BUFF(a, t, v) \
(a == TEST_DATA_UINT64 ? (t) *(guint64*)v : \
(a == TEST_DATA_INT64 ? (t) *(gint64*)v : \
(a == TEST_DATA_UINT32 ? (t) *(guint32*)v : \
(a == TEST_DATA_INT32 ? (t) *(gint32*)v : \
(a == TEST_DATA_UINT16 ? (t) *(guint16*)v : \
(a == TEST_DATA_INT16 ? (t) *(gint16*)v : \
(t) *(guchar*)v ))))))
static void
test_data_array (GInputStream *stream, GInputStream *base_stream,
gpointer buffer, int len,
enum TestDataType data_type, GDataStreamByteOrder byte_order)
{
GError *error = NULL;
int pos = 0;
int data_size = 1;
gint64 data;
GDataStreamByteOrder native;
gboolean swap;
/* Seek to start */
test_seek_to_start (base_stream);
/* Set correct data size */
switch (data_type)
{
case TEST_DATA_BYTE:
data_size = 1;
break;
case TEST_DATA_INT16:
case TEST_DATA_UINT16:
data_size = 2;
break;
case TEST_DATA_INT32:
case TEST_DATA_UINT32:
data_size = 4;
break;
case TEST_DATA_INT64:
case TEST_DATA_UINT64:
data_size = 8;
break;
default:
g_assert_not_reached ();
break;
}
/* Set flag to swap bytes if needed */
native = (G_BYTE_ORDER == G_BIG_ENDIAN) ? G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN : G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN;
swap = (byte_order != G_DATA_STREAM_BYTE_ORDER_HOST_ENDIAN) && (byte_order != native);
data = 1;
while (data != 0)
{
switch (data_type)
{
case TEST_DATA_BYTE:
data = g_data_input_stream_read_byte (G_DATA_INPUT_STREAM (stream), NULL, &error);
break;
case TEST_DATA_INT16:
data = g_data_input_stream_read_int16 (G_DATA_INPUT_STREAM (stream), NULL, &error);
if (swap)
data = (gint16)GUINT16_SWAP_LE_BE((gint16)data);
break;
case TEST_DATA_UINT16:
data = g_data_input_stream_read_uint16 (G_DATA_INPUT_STREAM (stream), NULL, &error);
if (swap)
data = (guint16)GUINT16_SWAP_LE_BE((guint16)data);
break;
case TEST_DATA_INT32:
data = g_data_input_stream_read_int32 (G_DATA_INPUT_STREAM (stream), NULL, &error);
if (swap)
data = (gint32)GUINT32_SWAP_LE_BE((gint32)data);
break;
case TEST_DATA_UINT32:
data = g_data_input_stream_read_uint32 (G_DATA_INPUT_STREAM (stream), NULL, &error);
if (swap)
data = (guint32)GUINT32_SWAP_LE_BE((guint32)data);
break;
case TEST_DATA_INT64:
data = g_data_input_stream_read_int64 (G_DATA_INPUT_STREAM (stream), NULL, &error);
if (swap)
data = (gint64)GUINT64_SWAP_LE_BE((gint64)data);
break;
case TEST_DATA_UINT64:
data = g_data_input_stream_read_uint64 (G_DATA_INPUT_STREAM (stream), NULL, &error);
if (swap)
data = (guint64)GUINT64_SWAP_LE_BE((guint64)data);
break;
default:
g_assert_not_reached ();
break;
}
if (!error)
g_assert_cmpint (data, ==, TEST_DATA_RETYPE_BUFF(data_type, gint64, ((guchar*)buffer + pos)));
pos += data_size;
}
if (pos < len + 1)
g_assert_no_error (error);
if (error)
g_error_free (error);
g_assert_cmpint (pos - data_size, ==, len);
}
static void
test_read_int (void)
{
GInputStream *stream;
GInputStream *base_stream;
GRand *randomizer;
int i;
gpointer buffer;
randomizer = g_rand_new ();
buffer = g_malloc0 (MAX_BYTES);
/* Fill in some random data */
for (i = 0; i < MAX_BYTES; i++)
{
guchar x = 0;
while (! x)
x = (guchar)g_rand_int (randomizer);
*(guchar*)((guchar*)buffer + sizeof(guchar) * i) = x;
}
base_stream = g_memory_input_stream_new ();
stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream), buffer, MAX_BYTES, NULL);
for (i = 0; i < 3; i++)
{
int j;
g_data_input_stream_set_byte_order (G_DATA_INPUT_STREAM (stream), i);
for (j = 0; j <= TEST_DATA_UINT64; j++)
test_data_array (stream, base_stream, buffer, MAX_BYTES, j, i);
}
g_object_unref (base_stream);
g_object_unref (stream);
g_rand_free (randomizer);
g_free (buffer);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/data-input-stream/basic", test_basic);
g_test_add_func ("/data-input-stream/read-lines-LF", test_read_lines_LF);
g_test_add_func ("/data-input-stream/read-lines-LF-valid-utf8", test_read_lines_LF_valid_utf8);
g_test_add_func ("/data-input-stream/read-lines-LF-invalid-utf8", test_read_lines_LF_invalid_utf8);
g_test_add_func ("/data-input-stream/read-lines-CR", test_read_lines_CR);
g_test_add_func ("/data-input-stream/read-lines-CR-LF", test_read_lines_CR_LF);
g_test_add_func ("/data-input-stream/read-lines-any", test_read_lines_any);
g_test_add_func ("/data-input-stream/read-until", test_read_until);
g_test_add_func ("/data-input-stream/read-upto", test_read_upto);
g_test_add_func ("/data-input-stream/read-int", test_read_int);
return g_test_run();
}
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