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#include "unity.h"
#include "benc.h"
#include <string.h>
void test_string() {
struct benc_node stream[1];
char* packet = "3:abc";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 1);
TEST_ASSERT_EQUAL(1, len);
TEST_ASSERT_EQUAL(BNT_STRING, stream[0].type);
TEST_ASSERT_EQUAL(3, stream[0].size);
TEST_ASSERT_EQUAL_PTR(packet + 2, stream[0].loc);
}
void test_unfinished_string() {
struct benc_node stream[1];
// There only 3 chars available
char* packet = "4:abc";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 1);
TEST_ASSERT_EQUAL(-BENC_EBADP, len);
TEST_ASSERT_EQUAL(BNT_STRING, stream[0].type);
TEST_ASSERT_EQUAL(4, stream[0].size);
TEST_ASSERT_EQUAL_PTR(packet + 2, stream[0].loc);
}
void test_positive_int() {
struct benc_node stream[1];
char* packet = "i3e";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 1);
TEST_ASSERT_EQUAL(1, len);
TEST_ASSERT_EQUAL(BNT_INT, stream[0].type);
TEST_ASSERT_EQUAL(1, stream[0].size);
TEST_ASSERT_EQUAL_PTR(packet + 1, stream[0].loc);
}
void test_multiple_int() {
struct benc_node stream[2];
char* packet = "i3ei3e";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 2);
// Stop after the first int
TEST_ASSERT_EQUAL(packet + 3, cursor);
TEST_ASSERT_EQUAL(1, len);
TEST_ASSERT_EQUAL(BNT_INT, stream[0].type);
TEST_ASSERT_EQUAL(1, stream[0].size);
TEST_ASSERT_EQUAL_PTR(packet + 1, stream[0].loc);
}
void test_unfinished_int() {
struct benc_node stream[1];
char* packet = "i3";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 1);
TEST_ASSERT_EQUAL(-BENC_EBADP, len);
TEST_ASSERT_EQUAL(BNT_INT, stream[0].type);
TEST_ASSERT_EQUAL_PTR(packet + 1, stream[0].loc);
}
void test_negative_int() {
struct benc_node stream[1];
char* packet = "i-3e";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 1);
TEST_ASSERT_EQUAL(1, len);
TEST_ASSERT_EQUAL(BNT_INT, stream[0].type);
TEST_ASSERT_EQUAL(2, stream[0].size);
TEST_ASSERT_EQUAL_PTR(packet + 1, stream[0].loc);
}
void test_incorrect_int_char() {
struct benc_node stream[1];
char* packet = "i-a3e";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 1);
TEST_ASSERT_EQUAL(packet + 2, cursor);
TEST_ASSERT_EQUAL(-BENC_EBADP, len);
TEST_ASSERT_EQUAL(BNT_INT, stream[0].type);
TEST_ASSERT_EQUAL_PTR(packet + 1, stream[0].loc);
}
void test_list() {
struct benc_node stream[3];
char* packet = "li1ee";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 3);
TEST_ASSERT_EQUAL(3, len);
size_t nodeCursor = 0;
TEST_ASSERT_EQUAL(BNT_LIST, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(0, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 0, stream[nodeCursor].loc);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_INT, stream[nodeCursor].type);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_END, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(0, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 4, stream[nodeCursor].loc);
nodeCursor++;
}
void test_dict() {
struct benc_node stream[4];
char* packet = "d1:a1:be";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 4);
TEST_ASSERT_EQUAL(4, len);
size_t nodeCursor = 0;
TEST_ASSERT_EQUAL(BNT_DICT, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(0, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 0, stream[nodeCursor].loc);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_STRING, stream[nodeCursor].type);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_STRING, stream[nodeCursor].type);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_END, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(0, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 7, stream[nodeCursor].loc);
nodeCursor++;
}
void test_dict_without_end() {
struct benc_node stream[4];
char* packet = "d";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 4);
TEST_ASSERT_EQUAL(-1, len);
}
void test_nested_list() {
struct benc_node stream[5];
char* packet = "lli1eee";
const char* cursor = packet;
int depth = 0;
int64_t len = benc_decode(&cursor, cursor + strlen(packet), &depth, stream, 5);
TEST_ASSERT_EQUAL(5, len);
size_t nodeCursor = 0;
TEST_ASSERT_EQUAL(BNT_LIST, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(0, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 0, stream[nodeCursor].loc);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_LIST, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(1, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 1, stream[nodeCursor].loc);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_INT, stream[nodeCursor].type);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_END, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(1, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 5, stream[nodeCursor].loc);
nodeCursor++;
TEST_ASSERT_EQUAL(BNT_END, stream[nodeCursor].type);
TEST_ASSERT_EQUAL(0, stream[nodeCursor].depth);
TEST_ASSERT_EQUAL_PTR(packet + 6, stream[nodeCursor].loc);
nodeCursor++;
}
void test_parse_int() {
char* packet = "100";
const char* cursor = packet;
int64_t val;
bool rc = readint(&cursor, &val);
TEST_ASSERT_EQUAL(true, rc);
TEST_ASSERT_EQUAL(100, val);
TEST_ASSERT_EQUAL_PTR(packet + 3, cursor);
}
void test_parse_negative_int() {
char* packet = "-100";
const char* cursor = packet;
int64_t val;
bool rc = readint(&cursor, &val);
TEST_ASSERT_EQUAL(true, rc);
TEST_ASSERT_EQUAL(-100, val);
TEST_ASSERT_EQUAL_PTR(packet + 4, cursor);
}
void test_stop_at_non_digit() {
char* packet = "10a1";
const char* cursor = packet;
int64_t val;
bool rc = readint(&cursor, &val);
TEST_ASSERT_EQUAL(true, rc);
TEST_ASSERT_EQUAL(10, val);
TEST_ASSERT_EQUAL_PTR(packet + 2, cursor);
}
void test_stop_embedded_minus() {
char* packet = "10-1";
const char* cursor = packet;
int64_t val;
bool rc = readint(&cursor, &val);
TEST_ASSERT_EQUAL(true, rc);
TEST_ASSERT_EQUAL(10, val);
TEST_ASSERT_EQUAL_PTR(packet + 2, cursor);
}
void test_find_key_under_cursor() {
struct benc_node stream[4];
char* packet = "d1:ri1ee";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 4);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"r"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL(0, found);
TEST_ASSERT_EQUAL_PTR(stream+1, bcursor.readhead);
}
void test_key_not_found() {
struct benc_node stream[4];
char* packet = "d1:ri1ee";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 4);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"a"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL(-1, found);
TEST_ASSERT_EQUAL_PTR(stream+3, bcursor.readhead);
}
void test_skip_nested_list_value() {
struct benc_node stream[8];
char* packet = "d1:al1:re1:ri1ee";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 8);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"r"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL(0, found);
TEST_ASSERT_EQUAL_PTR(stream+5, bcursor.readhead);
}
void test_skip_nested_dict_value() {
struct benc_node stream[9];
char* packet = "d1:adi2e1:re1:ri1ee";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 9);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"r"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL(0, found);
TEST_ASSERT_EQUAL_PTR(stream+6, bcursor.readhead);
}
void test_skip_nested_dict_key() {
struct benc_node stream[9];
char* packet = "d1:ad1:ri2ee1:ri1ee";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 9);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"r"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL(0, found);
TEST_ASSERT_EQUAL_PTR(stream+6, bcursor.readhead);
}
void test_skip_multilevel_list() {
struct benc_node stream[9];
char* packet = "d1:all1:ree1:ri1ee";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 9);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"r"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL(0, found);
TEST_ASSERT_EQUAL_PTR(stream+7, bcursor.readhead);
}
void test_find_any_semantics() {
struct benc_node stream[9];
char* packet = "d1:a1:a1:b1:be";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 9);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING, BNT_STRING}, (const char*[]){"b", "a"}, (const size_t[]){1, 1}, 2);
TEST_ASSERT_EQUAL(1, found);
TEST_ASSERT_EQUAL_PTR(stream+1, bcursor.readhead);
bcur_next(&bcursor, 2); // Skip the dict token
found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING, BNT_STRING}, (const char*[]){"b", "a"}, (const size_t[]){1, 1}, 2);
TEST_ASSERT_EQUAL(0, found);
TEST_ASSERT_EQUAL_PTR(stream+3, bcursor.readhead);
}
void test_stop_at_end() {
struct benc_node stream[9];
char* packet = "ld1:a1:aee";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 9);
bcur_next(&bcursor, 2); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"x"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL_MESSAGE(-1, found, "Found something");
TEST_ASSERT_EQUAL_PTR_MESSAGE(stream+4, bcursor.readhead, "Didn't stop at dict end");
}
void test_find_key_with_small_token_buffer() {
struct benc_node stream[1];
char* packet = "d1:a1:a1:b1:b1:c1:ce";
struct bcursor bcursor;
bcur_open(&bcursor, packet, packet+strlen(packet), stream, 1);
bcur_next(&bcursor, 1); // Skip the dict token
ssize_t found = bcur_find_key(&bcursor, (const enum benc_nodetype[]){BNT_STRING}, (const char*[]){"c"}, (const size_t[]){1}, 1);
TEST_ASSERT_EQUAL(0, found);
TEST_ASSERT_EQUAL(BNT_STRING, bcursor.readhead->type);
TEST_ASSERT_EQUAL(1, bcursor.readhead->size);
TEST_ASSERT_EQUAL_STRING_LEN("c", bcursor.readhead->loc, 1);
bcur_next(&bcursor, 2);
TEST_ASSERT_EQUAL(BNT_END, bcursor.readhead->type);
}
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