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transmission/libtransmission/bencode-test.c
Charles Kerr cb79214854 (trunk) remove trailing spaces
2009-08-10 20:04:08 +00:00

565 lines
15 KiB
C
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#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "event.h"
#include "transmission.h"
#include "bencode.h"
#include "json.h"
#include "utils.h" /* tr_free */
#undef VERBOSE
static int test = 0;
#ifdef VERBOSE
#define check( A ) \
{ \
++test; \
if( A ){ \
fprintf( stderr, "PASS test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
} else { \
fprintf( stderr, "FAIL test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
return test; \
} \
}
#else
#define check( A ) \
{ \
++test; \
if( !( A ) ){ \
fprintf( stderr, "FAIL test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
return test; \
} \
}
#endif
static int
testInt( void )
{
uint8_t buf[128];
int64_t val;
int err;
const uint8_t * end;
/* good int string */
tr_snprintf( (char*)buf, sizeof( buf ), "i64e" );
err = tr_bencParseInt( buf, buf + 4, &end, &val );
check( err == 0 );
check( val == 64 );
check( end == buf + 4 );
/* missing 'e' */
end = NULL;
val = 888;
err = tr_bencParseInt( buf, buf + 3, &end, &val );
check( err == EILSEQ );
check( val == 888 );
check( end == NULL );
/* empty buffer */
err = tr_bencParseInt( buf, buf + 0, &end, &val );
check( err == EILSEQ );
check( val == 888 );
check( end == NULL );
/* bad number */
tr_snprintf( (char*)buf, sizeof( buf ), "i6z4e" );
err = tr_bencParseInt( buf, buf + 5, &end, &val );
check( err == EILSEQ );
check( val == 888 );
check( end == NULL );
/* negative number */
tr_snprintf( (char*)buf, sizeof( buf ), "i-3e" );
err = tr_bencParseInt( buf, buf + 4, &end, &val );
check( err == 0 );
check( val == -3 );
check( end == buf + 4 );
/* zero */
tr_snprintf( (char*)buf, sizeof( buf ), "i0e" );
err = tr_bencParseInt( buf, buf + 4, &end, &val );
check( err == 0 );
check( val == 0 );
check( end == buf + 3 );
/* no leading zeroes allowed */
val = 0;
end = NULL;
tr_snprintf( (char*)buf, sizeof( buf ), "i04e" );
err = tr_bencParseInt( buf, buf + 4, &end, &val );
check( err == EILSEQ );
check( val == 0 );
check( end == NULL );
return 0;
}
static int
testStr( void )
{
uint8_t buf[128];
int err;
const uint8_t * end;
const uint8_t * str;
size_t len;
/* good string */
tr_snprintf( (char*)buf, sizeof( buf ), "4:boat" );
err = tr_bencParseStr( buf, buf + 6, &end, &str, &len );
check( err == 0 );
check( !strncmp( (char*)str, "boat", len ) );
check( len == 4 );
check( end == buf + 6 );
str = NULL;
end = NULL;
len = 0;
/* string goes past end of buffer */
err = tr_bencParseStr( buf, buf + 5, &end, &str, &len );
check( err == EILSEQ );
check( str == NULL );
check( end == NULL );
check( !len );
/* empty string */
tr_snprintf( (char*)buf, sizeof( buf ), "0:" );
err = tr_bencParseStr( buf, buf + 2, &end, &str, &len );
check( err == 0 );
check( !*str );
check( !len );
check( end == buf + 2 );
str = NULL;
end = NULL;
len = 0;
/* short string */
tr_snprintf( (char*)buf, sizeof( buf ), "3:boat" );
err = tr_bencParseStr( buf, buf + 6, &end, &str, &len );
check( err == 0 );
check( !strncmp( (char*)str, "boa", len ) );
check( len == 3 );
check( end == buf + 5 );
str = NULL;
end = NULL;
len = 0;
return 0;
}
static int
testString( const char * str,
int isGood )
{
tr_benc val;
const uint8_t * end = NULL;
char * saved;
const size_t len = strlen( str );
int savedLen;
int err = tr_bencParse( str, str + len, &val, &end );
if( !isGood )
{
check( err );
}
else
{
check( !err );
#if 0
fprintf( stderr, "in: [%s]\n", str );
fprintf( stderr, "out:\n%s", tr_bencSaveAsJSON( &val, NULL ) );
#endif
check( end == (const uint8_t*)str + len );
saved = tr_bencToStr( &val, TR_FMT_BENC, &savedLen );
check( !strcmp( saved, str ) );
check( len == (size_t)savedLen );
tr_free( saved );
tr_bencFree( &val );
}
return 0;
}
static int
testParse( void )
{
tr_benc val;
tr_benc * child;
tr_benc * child2;
uint8_t buf[512];
const uint8_t * end;
int err;
int len;
int64_t i;
char * saved;
tr_snprintf( (char*)buf, sizeof( buf ), "i64e" );
err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
check( !err );
check( tr_bencGetInt( &val, &i ) );
check( i == 64 );
check( end == buf + 4 );
tr_bencFree( &val );
tr_snprintf( (char*)buf, sizeof( buf ), "li64ei32ei16ee" );
err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
check( !err );
check( end == buf + strlen( (char*)buf ) );
check( val.val.l.count == 3 );
check( tr_bencGetInt( &val.val.l.vals[0], &i ) );
check( i == 64 );
check( tr_bencGetInt( &val.val.l.vals[1], &i ) );
check( i == 32 );
check( tr_bencGetInt( &val.val.l.vals[2], &i ) );
check( i == 16 );
saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
check( !strcmp( saved, (char*)buf ) );
tr_free( saved );
tr_bencFree( &val );
end = NULL;
tr_snprintf( (char*)buf, sizeof( buf ), "lllee" );
err = tr_bencParse( buf, buf + strlen( (char*)buf ), &val, &end );
check( err );
check( end == NULL );
end = NULL;
tr_snprintf( (char*)buf, sizeof( buf ), "le" );
err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
check( !err );
check( end == buf + 2 );
saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
check( !strcmp( saved, "le" ) );
tr_free( saved );
tr_bencFree( &val );
if( ( err = testString( "llleee", TRUE ) ) )
return err;
if( ( err = testString( "d3:cow3:moo4:spam4:eggse", TRUE ) ) )
return err;
if( ( err = testString( "d4:spaml1:a1:bee", TRUE ) ) )
return err;
if( ( err =
testString( "d5:greenli1ei2ei3ee4:spamd1:ai123e3:keyi214eee",
TRUE ) ) )
return err;
if( ( err =
testString(
"d9:publisher3:bob17:publisher-webpage15:www.example.com18:publisher.location4:homee",
TRUE ) ) )
return err;
if( ( err =
testString(
"d8:completei1e8:intervali1800e12:min intervali1800e5:peers0:e",
TRUE ) ) )
return err;
if( ( err = testString( "d1:ai0e1:be", FALSE ) ) ) /* odd number of children
*/
return err;
if( ( err = testString( "", FALSE ) ) )
return err;
if( ( err = testString( " ", FALSE ) ) )
return err;
/* nested containers
* parse an unsorted dict
* save as a sorted dict */
end = NULL;
tr_snprintf( (char*)buf, sizeof( buf ), "lld1:bi32e1:ai64eeee" );
err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
check( !err );
check( end == buf + strlen( (const char*)buf ) );
check( ( child = tr_bencListChild( &val, 0 ) ) );
check( ( child2 = tr_bencListChild( child, 0 ) ) );
saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
check( !strcmp( saved, "lld1:ai64e1:bi32eeee" ) );
tr_free( saved );
tr_bencFree( &val );
/* too many endings */
end = NULL;
tr_snprintf( (char*)buf, sizeof( buf ), "leee" );
err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
check( !err );
check( end == buf + 2 );
saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
check( !strcmp( saved, "le" ) );
tr_free( saved );
tr_bencFree( &val );
/* no ending */
end = NULL;
tr_snprintf( (char*)buf, sizeof( buf ), "l1:a1:b1:c" );
err = tr_bencParse( buf, buf + strlen( (char*)buf ), &val, &end );
check( err );
/* incomplete string */
end = NULL;
tr_snprintf( (char*)buf, sizeof( buf ), "1:" );
err = tr_bencParse( buf, buf + strlen( (char*)buf ), &val, &end );
check( err );
return 0;
}
static void
stripWhitespace( char * in )
{
char * out;
for( out = in; *in; ++in )
if( !isspace( *in ) )
*out++ = *in;
*out = '\0';
}
static int
testJSONSnippet( const char * benc_str,
const char * expected )
{
tr_benc top;
struct evbuffer * buf = evbuffer_new( );
char * serialized;
tr_bencLoad( benc_str, strlen( benc_str ), &top, NULL );
tr_bencToBuf( &top, TR_FMT_JSON, buf );
serialized = (char*) EVBUFFER_DATA( buf );
stripWhitespace( serialized );
#if 0
fprintf( stderr, "benc: %s\n", benc_str );
fprintf( stderr, "json: %s\n", serialized );
fprintf( stderr, "want: %s\n", expected );
#endif
check( !strcmp( serialized, expected ) );
tr_bencFree( &top );
evbuffer_free( buf );
return 0;
}
static int
testJSON( void )
{
int val;
const char * benc_str;
const char * expected;
benc_str = "i6e";
expected = "6";
if( ( val = testJSONSnippet( benc_str, expected ) ) )
return val;
benc_str = "d5:helloi1e5:worldi2ee";
expected = "{\"hello\":1,\"world\":2}";
if( ( val = testJSONSnippet( benc_str, expected ) ) )
return val;
benc_str = "d5:helloi1e5:worldi2e3:fooli1ei2ei3eee";
expected = "{\"foo\":[1,2,3],\"hello\":1,\"world\":2}";
if( ( val = testJSONSnippet( benc_str, expected ) ) )
return val;
benc_str = "d5:helloi1e5:worldi2e3:fooli1ei2ei3ed1:ai0eeee";
expected = "{\"foo\":[1,2,3,{\"a\":0}],\"hello\":1,\"world\":2}";
if( ( val = testJSONSnippet( benc_str, expected ) ) )
return val;
benc_str = "d4:argsd6:statusle7:status2lee6:result7:successe";
expected =
"{\"args\":{\"status\":[],\"status2\":[]},\"result\":\"success\"}";
if( ( val = testJSONSnippet( benc_str, expected ) ) )
return val;
return 0;
}
static int
testMerge( void )
{
tr_benc dest, src;
int64_t i;
const char * s;
/* initial dictionary (default values) */
tr_bencInitDict( &dest, 10 );
tr_bencDictAddInt( &dest, "i1", 1 );
tr_bencDictAddInt( &dest, "i2", 2 );
tr_bencDictAddInt( &dest, "i4", -35 ); /* remains untouched */
tr_bencDictAddStr( &dest, "s5", "abc" );
tr_bencDictAddStr( &dest, "s6", "def" );
tr_bencDictAddStr( &dest, "s7", "127.0.0.1" ); /* remains untouched */
/* new dictionary, will overwrite items in dest */
tr_bencInitDict( &src, 10 );
tr_bencDictAddInt( &src, "i1", 1 ); /* same value */
tr_bencDictAddInt( &src, "i2", 4 ); /* new value */
tr_bencDictAddInt( &src, "i3", 3 ); /* new key:value */
tr_bencDictAddStr( &src, "s5", "abc" ); /* same value */
tr_bencDictAddStr( &src, "s6", "xyz" ); /* new value */
tr_bencDictAddStr( &src, "s8", "ghi" ); /* new key:value */
tr_bencMergeDicts( &dest, /*const*/ &src );
check( tr_bencDictFindInt( &dest, "i1", &i ));
check( i == 1);
check( tr_bencDictFindInt( &dest, "i2", &i ));
check( i == 4);
check( tr_bencDictFindInt( &dest, "i3", &i ));
check( i == 3);
check( tr_bencDictFindInt( &dest, "i4", &i ));
check( i == -35);
check( tr_bencDictFindStr( &dest, "s5", &s ));
check( strcmp( "abc", s ) == 0 );
check( tr_bencDictFindStr( &dest, "s6", &s ));
check( strcmp( "xyz", s ) == 0 );
check( tr_bencDictFindStr( &dest, "s7", &s ));
check( strcmp( "127.0.0.1", s ) == 0 );
check( tr_bencDictFindStr( &dest, "s8", &s ));
check( strcmp( "ghi", s ) == 0 );
tr_bencFree( &dest );
tr_bencFree( &src );
return 0;
}
static int
testStackSmash( int depth )
{
int i;
int len;
int err;
uint8_t * in;
const uint8_t * end;
tr_benc val;
char * saved;
in = tr_new( uint8_t, depth * 2 + 1 );
for( i = 0; i < depth; ++i )
{
in[i] = 'l';
in[depth + i] = 'e';
}
in[depth * 2] = '\0';
err = tr_bencParse( in, in + ( depth * 2 ), &val, &end );
check( !err );
check( end == in + ( depth * 2 ) );
saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
check( !strcmp( saved, (char*)in ) );
tr_free( in );
tr_free( saved );
tr_bencFree( &val );
return 0;
}
static int
testBool( void )
{
tr_benc top;
int64_t intVal;
tr_bool boolVal;
tr_bencInitDict( &top, 0 );
tr_bencDictAddBool( &top, "key1", FALSE );
tr_bencDictAddBool( &top, "key2", 0 );
tr_bencDictAddInt ( &top, "key3", TRUE );
tr_bencDictAddInt ( &top, "key4", 1 );
check( tr_bencDictFindBool( &top, "key1", &boolVal ) )
check( !boolVal )
check( tr_bencDictFindBool( &top, "key2", &boolVal ) )
check( !boolVal )
check( tr_bencDictFindBool( &top, "key3", &boolVal ) )
check( boolVal )
check( tr_bencDictFindBool( &top, "key4", &boolVal ) )
check( boolVal )
check( tr_bencDictFindInt( &top, "key1", &intVal ) )
check( !intVal)
check( tr_bencDictFindInt( &top, "key2", &intVal ) )
check( !intVal )
check( tr_bencDictFindInt( &top, "key3", &intVal ) )
check( intVal )
check( tr_bencDictFindInt( &top, "key4", &intVal ) )
check( intVal )
return 0;
}
static int
testParse2( void )
{
tr_benc top;
tr_benc top2;
int64_t intVal;
const char * strVal;
double realVal;
tr_bool boolVal;
int len;
char * benc;
const uint8_t * end;
tr_bencInitDict( &top, 0 );
tr_bencDictAddBool( &top, "this-is-a-bool", TRUE );
tr_bencDictAddInt( &top, "this-is-an-int", 1234 );
tr_bencDictAddReal( &top, "this-is-a-real", 0.5 );
tr_bencDictAddStr( &top, "this-is-a-string", "this-is-a-string" );
benc = tr_bencToStr( &top, TR_FMT_BENC, &len );
check( !strcmp( benc, "d14:this-is-a-booli1e14:this-is-a-real8:0.50000016:this-is-a-string16:this-is-a-string14:this-is-an-inti1234ee" ) )
check( !tr_bencParse( benc, benc+len, &top2, &end ) )
check( (char*)end == benc + len )
check( tr_bencIsDict( &top2 ) )
check( tr_bencDictFindInt( &top, "this-is-an-int", &intVal ) )
check( intVal == 1234 )
check( tr_bencDictFindBool( &top, "this-is-a-bool", &boolVal ) )
check( boolVal == TRUE )
check( tr_bencDictFindStr( &top, "this-is-a-string", &strVal ) )
check( !strcmp( strVal, "this-is-a-string" ) )
check( tr_bencDictFindReal( &top, "this-is-a-real", &realVal ) )
check( (int)(realVal*100) == 50 )
tr_bencFree( &top2 );
tr_free( benc );
tr_bencFree( &top );
return 0;
}
int
main( void )
{
int i;
if(( i = testInt( )))
return i;
if(( i = testStr( )))
return i;
if(( i = testParse( )))
return i;
if(( i = testJSON( )))
return i;
if(( i = testMerge( )))
return i;
if(( i = testBool( )))
return i;
if(( i = testParse2( )))
return i;
#ifndef WIN32
i = testStackSmash( 1000000 );
#else
i = testStackSmash( 100000 );
#endif
if( i )
return i;
return 0;
}
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