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/*
* bug3 -- h_int16() issues using little endian
*
* This parser passes all tests if the backend is PB_MIN but fails if
* the backend is PB_LALR.
*
* See defines for BKEND below.
*/
#include <hammer/hammer.h>
#include <hammer/glue.h>
#include <hammer/test_suite.h>
#include <glib.h>
#define BKEND PB_LALR
//#define BKEND PB_MIN
const HParser *pp; /* the parser */
uint8_t input[1024]; /* the input is a buff of bytes */
/* The Parser */
void init_parser() {
/* parse a single int16 between the values of -2 and 1 */
H_RULE(littleint16, h_with_endianness(BYTE_LITTLE_ENDIAN,h_int16()));
H_RULE(int16range, h_int_range(littleint16,-2,1));
pp = h_sequence(int16range,h_end_p(),NULL);
}
/* Passing Tests: -2,-1,0,+1 */
static void test_n2() {
input[0] = 0xFE; //
input[1] = 0xFF; // -2
g_check_parse_ok(pp, BKEND, input, 2);
}
static void test_n1() {
input[0] = 0xFF; //
input[1] = 0xFF; // -1
g_check_parse_ok(pp, BKEND, input, 2);
}
static void test_zero() {
input[0] = 0x00; // 0
input[1] = 0x00; // 0
g_check_parse_ok(pp, BKEND, input, 2);
}
static void test_p1() {
input[0] = 0x01;
input[1] = 0x00; // +1
g_check_parse_ok(pp, BKEND, input, 2);
}
/* Failing Tests: -3,+2,+1+1 */
static void test_n3() {
input[0] = 0xFD;
input[1] = 0xFF; // -3
g_check_parse_failed(pp, BKEND, input, 2);
}
static void test_p2() {
input[0] = 0x02;
input[1] = 0x00; // +2
g_check_parse_failed(pp, BKEND, input, 2);
}
static void test_2val() {
input[0] = 0x01;
input[1] = 0x00; // +1
input[0] = 0x01;
input[1] = 0x00; // +1
g_check_parse_failed(pp, BKEND, input, 4);
}
void register_bug_tests() {
g_test_add_func("/pass/neg2",test_n2);
g_test_add_func("/pass/neg1",test_n1);
g_test_add_func("/pass/zero",test_zero);
g_test_add_func("/pass/pos1",test_p1);
g_test_add_func("/fail/neg3",test_n3);
g_test_add_func("/fail/pos2",test_p2);
g_test_add_func("/fail/2val",test_2val);
}
int main(int argc, char *argv[]) {
init_parser();
g_test_init(&argc,&argv,NULL);
register_bug_tests();
return g_test_run();
}