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transmission/libtransmission/variant-test.c

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/*
* This file Copyright (C) 2013-2014 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
* $Id$
*/
#include <ctype.h> /* isspace () */
#include <errno.h> /* EILSEQ */
#include <string.h> /* strlen (), strncmp () */
#include <event2/buffer.h>
#define __LIBTRANSMISSION_VARIANT_MODULE__
#include "transmission.h"
#include "utils.h" /* tr_free */
#include "variant.h"
#include "variant-common.h"
#include "libtransmission-test.h"
#ifndef _WIN32
#define STACK_SMASH_DEPTH (1 * 1000 * 1000)
#else
#define STACK_SMASH_DEPTH ( 100 * 1000)
#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_int_eq (0, err);
check_int_eq (64, val);
check ((buf + 4) == end);
/* missing 'e' */
end = NULL;
val = 888;
err = tr_bencParseInt (buf, buf + 3, &end, &val);
check_int_eq (EILSEQ, err);
check_int_eq (888, val);
check (end == NULL);
/* empty buffer */
err = tr_bencParseInt (buf, buf + 0, &end, &val);
check_int_eq (EILSEQ, err);
check_int_eq (888, val);
check (end == NULL);
/* bad number */
tr_snprintf ((char*)buf, sizeof (buf), "i6z4e");
err = tr_bencParseInt (buf, buf + 5, &end, &val);
check_int_eq (EILSEQ, err);
check_int_eq (888, val);
check (end == NULL);
/* negative number */
tr_snprintf ((char*)buf, sizeof (buf), "i-3e");
err = tr_bencParseInt (buf, buf + 4, &end, &val);
check_int_eq (0, err);
check_int_eq (-3, val);
check ((buf + 4) == end);
/* zero */
tr_snprintf ((char*)buf, sizeof (buf), "i0e");
err = tr_bencParseInt (buf, buf + 4, &end, &val);
check_int_eq (0, err);
check_int_eq (0, val);
check ((buf + 3) == end);
/* no leading zeroes allowed */
val = 0;
end = NULL;
tr_snprintf ((char*)buf, sizeof (buf), "i04e");
err = tr_bencParseInt (buf, buf + 4, &end, &val);
check_int_eq (EILSEQ, err);
check_int_eq (0, val);
check (NULL == end);
return 0;
}
static int
testStr (void)
{
uint8_t buf[128];
int err;
int n;
const uint8_t * end;
const uint8_t * str;
size_t len;
/* string len is designed to overflow */
n = tr_snprintf ((char*)buf, sizeof (buf), "%zu:boat", (size_t)(SIZE_MAX-2));
err = tr_bencParseStr (buf, buf+n, &end, &str, &len);
check_int_eq (EILSEQ, err);
check_int_eq (0, len);
check (str == NULL);
check (end == NULL);
check (!len);
/* good string */
n = tr_snprintf ((char*)buf, sizeof (buf), "4:boat");
err = tr_bencParseStr (buf, buf+n, &end, &str, &len);
check_int_eq (0, err);
check_int_eq (4, len);
check (!strncmp ((const char*)str, "boat", len));
check (end == buf + 6);
str = NULL;
end = NULL;
len = 0;
/* string goes past end of buffer */
err = tr_bencParseStr (buf, buf+(n-1), &end, &str, &len);
check_int_eq (EILSEQ, err);
check_int_eq (0, len);
check (str == NULL);
check (end == NULL);
check (!len);
/* empty string */
n = tr_snprintf ((char*)buf, sizeof (buf), "0:");
err = tr_bencParseStr (buf, buf+n, &end, &str, &len);
check_int_eq (0, err);
check_int_eq (0, len);
check (!*str);
check (end == buf + 2);
str = NULL;
end = NULL;
len = 0;
/* short string */
n = tr_snprintf ((char*)buf, sizeof (buf), "3:boat");
err = tr_bencParseStr (buf, buf+n, &end, &str, &len);
check_int_eq (0, err);
check_int_eq (3, len);
check (!strncmp ((const char*)str, "boa", len));
check (end == buf + 5);
str = NULL;
end = NULL;
len = 0;
return 0;
}
static int
testString (const char * str, bool isGood)
{
tr_variant val;
const char * end = NULL;
char * saved;
const size_t len = strlen (str);
size_t savedLen;
int err;
err = tr_variantFromBencFull (&val, str, len, NULL, &end);
if (!isGood)
{
check (err);
}
else
{
check (!err);
#if 0
fprintf (stderr, "in: [%s]\n", str);
fprintf (stderr, "out:\n%s", tr_variantToStr (&val, TR_VARIANT_FMT_JSON, NULL));
#endif
check (end == str + len);
saved = tr_variantToStr (&val, TR_VARIANT_FMT_BENC, &savedLen);
check_streq (str, saved);
check_int_eq (savedLen, len);
tr_free (saved);
tr_variantFree (&val);
}
return 0;
}
static int
testParse (void)
{
tr_variant val;
tr_variant * child;
tr_variant * child2;
char buf[512];
const char * end;
int err;
size_t len;
int64_t i;
char * saved;
tr_snprintf ((char*)buf, sizeof (buf), "i64e");
err = tr_variantFromBencFull (&val, buf, sizeof(buf), NULL, &end);
check (!err);
check (tr_variantGetInt (&val, &i));
check_int_eq (64, i);
check (end == buf + 4);
tr_variantFree (&val);
tr_snprintf ((char*)buf, sizeof (buf), "li64ei32ei16ee");
err = tr_variantFromBencFull (&val, buf, sizeof(buf), NULL, &end);
check (!err);
check (end == buf + strlen ((char*)buf));
check (val.val.l.count == 3);
check (tr_variantGetInt (&val.val.l.vals[0], &i));
check_int_eq (64, i);
check (tr_variantGetInt (&val.val.l.vals[1], &i));
check_int_eq (32, i);
check (tr_variantGetInt (&val.val.l.vals[2], &i));
check_int_eq (16, i);
saved = tr_variantToStr (&val, TR_VARIANT_FMT_BENC, &len);
check_streq ((char*)buf, saved);
tr_free (saved);
tr_variantFree (&val);
end = NULL;
tr_snprintf ((char*)buf, sizeof (buf), "lllee");
err = tr_variantFromBencFull (&val, buf, sizeof(buf), NULL, &end);
check (err);
check (end == NULL);
end = NULL;
tr_snprintf ((char*)buf, sizeof (buf), "le");
err = tr_variantFromBencFull (&val, buf, sizeof(buf), NULL, &end);
check (!err);
check (end == buf + 2);
saved = tr_variantToStr (&val, TR_VARIANT_FMT_BENC, &len);
check_streq ("le", saved);
tr_free (saved);
tr_variantFree (&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_variantFromBencFull (&val, buf, sizeof(buf), NULL, &end);
check (!err);
check (end == buf + strlen ((const char*)buf));
check ((child = tr_variantListChild (&val, 0)));
check ((child2 = tr_variantListChild (child, 0)));
saved = tr_variantToStr (&val, TR_VARIANT_FMT_BENC, &len);
check_streq ("lld1:ai64e1:bi32eeee", saved);
tr_free (saved);
tr_variantFree (&val);
/* too many endings */
end = NULL;
tr_snprintf ((char*)buf, sizeof (buf), "leee");
err = tr_variantFromBencFull (&val, buf, sizeof(buf), NULL, &end);
check (!err);
check (end == buf + 2);
saved = tr_variantToStr (&val, TR_VARIANT_FMT_BENC, &len);
check_streq ("le", saved);
tr_free (saved);
tr_variantFree (&val);
/* no ending */
end = NULL;
tr_snprintf ((char*)buf, sizeof (buf), "l1:a1:b1:c");
err = tr_variantFromBencFull (&val, buf, strlen(buf), NULL, &end);
check (err);
/* incomplete string */
end = NULL;
tr_snprintf ((char*)buf, sizeof (buf), "1:");
err = tr_variantFromBencFull (&val, buf, strlen(buf), NULL, &end);
check (err);
return 0;
}
static void
stripWhitespace (char * in)
{
char * out;
for (out=in; in && *in; ++in)
if (!isspace (*in))
*out++ = *in;
*out = '\0';
}
static int
testJSONSnippet (const char * benc_str,
const char * expected)
{
tr_variant top;
char * serialized;
struct evbuffer * buf;
tr_variantFromBenc (&top, benc_str, strlen(benc_str));
buf = tr_variantToBuf (&top, TR_VARIANT_FMT_JSON);
serialized = (char*) evbuffer_pullup (buf, -1);
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_streq (expected, serialized);
tr_variantFree (&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)
{
size_t len;
tr_variant dest, src;
int64_t i;
const char * s;
const tr_quark i1 = tr_quark_new ("i1", 2);
const tr_quark i2 = tr_quark_new ("i2", 2);
const tr_quark i3 = tr_quark_new ("i3", 2);
const tr_quark i4 = tr_quark_new ("i4", 2);
const tr_quark s5 = tr_quark_new ("s5", 2);
const tr_quark s6 = tr_quark_new ("s6", 2);
const tr_quark s7 = tr_quark_new ("s7", 2);
const tr_quark s8 = tr_quark_new ("s8", 2);
/* initial dictionary (default values) */
tr_variantInitDict (&dest, 10);
tr_variantDictAddInt (&dest, i1, 1);
tr_variantDictAddInt (&dest, i2, 2);
tr_variantDictAddInt (&dest, i4, -35); /* remains untouched */
tr_variantDictAddStr (&dest, s5, "abc");
tr_variantDictAddStr (&dest, s6, "def");
tr_variantDictAddStr (&dest, s7, "127.0.0.1"); /* remains untouched */
/* new dictionary, will overwrite items in dest */
tr_variantInitDict (&src, 10);
tr_variantDictAddInt (&src, i1, 1); /* same value */
tr_variantDictAddInt (&src, i2, 4); /* new value */
tr_variantDictAddInt (&src, i3, 3); /* new key:value */
tr_variantDictAddStr (&src, s5, "abc"); /* same value */
tr_variantDictAddStr (&src, s6, "xyz"); /* new value */
tr_variantDictAddStr (&src, s8, "ghi"); /* new key:value */
tr_variantMergeDicts (&dest, /*const*/ &src);
check (tr_variantDictFindInt (&dest, i1, &i));
check_int_eq (1, i);
check (tr_variantDictFindInt (&dest, i2, &i));
check_int_eq (4, i);
check (tr_variantDictFindInt (&dest, i3, &i));
check_int_eq (3, i);
check (tr_variantDictFindInt (&dest, i4, &i));
check_int_eq (-35, i);
check (tr_variantDictFindStr (&dest, s5, &s, &len));
check_int_eq (3, len);
check_streq ("abc", s);
check (tr_variantDictFindStr (&dest, s6, &s, &len));
check_int_eq (3, len);
check_streq ("xyz", s);
check (tr_variantDictFindStr (&dest, s7, &s, &len));
check_int_eq (9, len);
check_streq ("127.0.0.1", s);
check (tr_variantDictFindStr (&dest, s8, &s, &len));
check_int_eq (3, len);
check_streq ("ghi", s);
tr_variantFree (&dest);
tr_variantFree (&src);
return 0;
}
static int
testStackSmash (void)
{
int i;
size_t len;
int err;
char * in;
const char * end;
tr_variant val;
char * saved;
const int depth = STACK_SMASH_DEPTH;
in = tr_new (char, depth * 2 + 1);
for (i = 0; i < depth; ++i)
{
in[i] = 'l';
in[depth + i] = 'e';
}
in[depth * 2] = '\0';
err = tr_variantFromBencFull (&val, in, depth*2, NULL, &end);
check_int_eq (0, err);
check (end == in + (depth * 2));
saved = tr_variantToStr (&val, TR_VARIANT_FMT_BENC, &len);
check_streq ((char*)in, saved);
tr_free (in);
tr_free (saved);
tr_variantFree (&val);
return 0;
}
static int
testBool (void)
{
tr_variant top;
int64_t intVal;
bool boolVal;
const tr_quark key1 = tr_quark_new ("key1", 4);
const tr_quark key2 = tr_quark_new ("key2", 4);
const tr_quark key3 = tr_quark_new ("key3", 4);
const tr_quark key4 = tr_quark_new ("key4", 4);
tr_variantInitDict (&top, 0);
tr_variantDictAddBool (&top, key1, false);
tr_variantDictAddBool (&top, key2, 0);
tr_variantDictAddInt (&top, key3, true);
tr_variantDictAddInt (&top, key4, 1);
check (tr_variantDictFindBool (&top, key1, &boolVal));
check (!boolVal);
check (tr_variantDictFindBool (&top, key2, &boolVal));
check (!boolVal);
check (tr_variantDictFindBool (&top, key3, &boolVal));
check (boolVal);
check (tr_variantDictFindBool (&top, key4, &boolVal));
check (boolVal);
check (tr_variantDictFindInt (&top, key1, &intVal));
check (!intVal);
check (tr_variantDictFindInt (&top, key2, &intVal));
check (!intVal);
check (tr_variantDictFindInt (&top, key3, &intVal));
check (intVal);
check (tr_variantDictFindInt (&top, key4, &intVal));
check (intVal);
tr_variantFree (&top);
return 0;
}
static int
testParse2 (void)
{
tr_variant top;
tr_variant top2;
int64_t intVal;
const char * strVal;
double realVal;
bool boolVal;
size_t len;
char * benc;
const char * end;
size_t strLen;
const tr_quark key_bool = tr_quark_new ("this-is-a-bool", -1);
const tr_quark key_real = tr_quark_new ("this-is-a-real", -1);
const tr_quark key_int = tr_quark_new ("this-is-an-int", -1);
const tr_quark key_str = tr_quark_new ("this-is-a-string", -1);
tr_variantInitDict (&top, 0);
tr_variantDictAddBool (&top, key_bool, true);
tr_variantDictAddInt (&top, key_int, 1234);
tr_variantDictAddReal (&top, key_real, 0.5);
tr_variantDictAddStr (&top, key_str, "this-is-a-string");
benc = tr_variantToStr (&top, TR_VARIANT_FMT_BENC, &len);
check_streq ("d14:this-is-a-booli1e14:this-is-a-real8:0.50000016:this-is-a-string16:this-is-a-string14:this-is-an-inti1234ee", benc);
check (!tr_variantFromBencFull (&top2, benc, len, NULL, &end));
check (end == benc + len);
check (tr_variantIsDict (&top2));
check (tr_variantDictFindInt (&top, key_int, &intVal));
check_int_eq (1234, intVal);
check (tr_variantDictFindBool (&top, key_bool, &boolVal));
check (boolVal == true);
check (tr_variantDictFindStr (&top, key_str, &strVal, &strLen));
check_int_eq (16, strLen);
check_streq ("this-is-a-string", strVal);
check (tr_variantDictFindReal (&top, key_real, &realVal));
check_int_eq (50, (int)(realVal*100));
tr_variantFree (&top2);
tr_free (benc);
tr_variantFree (&top);
return 0;
}
int
main (void)
{
static const testFunc tests[] = { testInt,
testStr,
testParse,
testJSON,
testMerge,
testBool,
testParse2,
testStackSmash };
return runTests (tests, NUM_TESTS (tests));
}
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