[libyaml.git] / tests / test-reader.c

#include <yaml/yaml.h>

#include <stdlib.h>
#include <stdio.h>
#include <assert.h>

/*
 * Test cases are stolen from
 * http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
 */

typedef struct {
    char *title;
    char *test;
    int result;
} test_case;

test_case utf8_sequences[] = {
    /* {"title", "test 1|test 2|...|test N!", (0 or 1)}, */

    {"a simple test", "'test' is '\xd0\xbf\xd1\x80\xd0\xbe\xd0\xb2\xd0\xb5\xd1\x80\xd0\xba\xd0\xb0' in Russian!", 1},
    {"an empty line", "!", 1},

    {"u-0 is a control character", "\x00!", 0},
    {"u-80 is a control character", "\xc2\x80!", 0},
    {"u-800 is valid", "\xe0\xa0\x80!", 1},
    {"u-10000 is valid", "\xf0\x90\x80\x80!", 1},
    {"5 bytes sequences are not allowed", "\xf8\x88\x80\x80\x80!", 0},
    {"6 bytes sequences are not allowed", "\xfc\x84\x80\x80\x80\x80!", 0},

    {"u-7f is a control character", "\x7f!", 0},
    {"u-7FF is valid", "\xdf\xbf!", 1},
    {"u-FFFF is a control character", "\xef\xbf\xbf!", 0},
    {"u-1FFFFF is too large", "\xf7\xbf\xbf\xbf!", 0},
    {"u-3FFFFFF is 5 bytes", "\xfb\xbf\xbf\xbf\xbf!", 0},
    {"u-7FFFFFFF is 6 bytes", "\xfd\xbf\xbf\xbf\xbf\xbf!", 0},

    {"u-D7FF", "\xed\x9f\xbf!", 1},
    {"u-E000", "\xee\x80\x80!", 1},
    {"u-FFFD", "\xef\xbf\xbd!", 1},
    {"u-10FFFF", "\xf4\x8f\xbf\xbf!", 1},
    {"u-110000", "\xf4\x90\x80\x80!", 0},

    {"first continuation byte", "\x80!", 0},
    {"last continuation byte", "\xbf!", 0},

    {"2 continuation bytes", "\x80\xbf!", 0},
    {"3 continuation bytes", "\x80\xbf\x80!", 0},
    {"4 continuation bytes", "\x80\xbf\x80\xbf!", 0},
    {"5 continuation bytes", "\x80\xbf\x80\xbf\x80!", 0},
    {"6 continuation bytes", "\x80\xbf\x80\xbf\x80\xbf!", 0},
    {"7 continuation bytes", "\x80\xbf\x80\xbf\x80\xbf\x80!", 0},

    {"sequence of all 64 possible continuation bytes",
     "\x80|\x81|\x82|\x83|\x84|\x85|\x86|\x87|\x88|\x89|\x8a|\x8b|\x8c|\x8d|\x8e|\x8f|"
     "\x90|\x91|\x92|\x93|\x94|\x95|\x96|\x97|\x98|\x99|\x9a|\x9b|\x9c|\x9d|\x9e|\x9f|"
     "\xa0|\xa1|\xa2|\xa3|\xa4|\xa5|\xa6|\xa7|\xa8|\xa9|\xaa|\xab|\xac|\xad|\xae|\xaf|"
     "\xb0|\xb1|\xb2|\xb3|\xb4|\xb5|\xb6|\xb7|\xb8|\xb9|\xba|\xbb|\xbc|\xbd|\xbe|\xbf!", 0},
    {"32 first bytes of 2-byte sequences {0xc0-0xdf}",
     "\xc0 |\xc1 |\xc2 |\xc3 |\xc4 |\xc5 |\xc6 |\xc7 |\xc8 |\xc9 |\xca |\xcb |\xcc |\xcd |\xce |\xcf |"
     "\xd0 |\xd1 |\xd2 |\xd3 |\xd4 |\xd5 |\xd6 |\xd7 |\xd8 |\xd9 |\xda |\xdb |\xdc |\xdd |\xde |\xdf !", 0},
    {"16 first bytes of 3-byte sequences {0xe0-0xef}",
     "\xe0 |\xe1 |\xe2 |\xe3 |\xe4 |\xe5 |\xe6 |\xe7 |\xe8 |\xe9 |\xea |\xeb |\xec |\xed |\xee |\xef !", 0},
    {"8 first bytes of 4-byte sequences {0xf0-0xf7}", "\xf0 |\xf1 |\xf2 |\xf3 |\xf4 |\xf5 |\xf6 |\xf7 !", 0},
    {"4 first bytes of 5-byte sequences {0xf8-0xfb}", "\xf8 |\xf9 |\xfa |\xfb !", 0},
    {"2 first bytes of 6-byte sequences {0xfc-0xfd}", "\xfc |\xfd !", 0},

    {"sequences with last byte missing {u-0}",
     "\xc0|\xe0\x80|\xf0\x80\x80|\xf8\x80\x80\x80|\xfc\x80\x80\x80\x80!", 0},
    {"sequences with last byte missing {u-...FF}",
     "\xdf|\xef\xbf|\xf7\xbf\xbf|\xfb\xbf\xbf\xbf|\xfd\xbf\xbf\xbf\xbf!", 0},

    {"impossible bytes", "\xfe|\xff|\xfe\xfe\xff\xff!", 0},

    {"overlong sequences {u-2f}",
     "\xc0\xaf|\xe0\x80\xaf|\xf0\x80\x80\xaf|\xf8\x80\x80\x80\xaf|\xfc\x80\x80\x80\x80\xaf!", 0},

    {"maximum overlong sequences",
     "\xc1\xbf|\xe0\x9f\xbf|\xf0\x8f\xbf\xbf|\xf8\x87\xbf\xbf\xbf|\xfc\x83\xbf\xbf\xbf\xbf!", 0},

    {"overlong representation of the NUL character",
     "\xc0\x80|\xe0\x80\x80|\xf0\x80\x80\x80|\xf8\x80\x80\x80\x80|\xfc\x80\x80\x80\x80\x80!", 0},

    {"single UTF-16 surrogates",
     "\xed\xa0\x80|\xed\xad\xbf|\xed\xae\x80|\xed\xaf\xbf|\xed\xb0\x80|\xed\xbe\x80|\xed\xbf\xbf!", 0},

    {"paired UTF-16 surrogates",
     "\xed\xa0\x80\xed\xb0\x80|\xed\xa0\x80\xed\xbf\xbf|\xed\xad\xbf\xed\xb0\x80|"
     "\xed\xad\xbf\xed\xbf\xbf|\xed\xae\x80\xed\xb0\x80|\xed\xae\x80\xed\xbf\xbf|"
     "\xed\xaf\xbf\xed\xb0\x80|\xed\xaf\xbf\xed\xbf\xbf!", 0},

    {"other illegal code positions", "\xef\xbf\xbe|\xef\xbf\xbf!", 0},

    {NULL, NULL, 0}
};

test_case boms[] = {
    
    /* {"title", "test!", lenth}, */
    
    {"no bom (utf-8)", "Hi is \xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82!", 13},
    {"bom (utf-8)", "\xef\xbb\xbfHi is \xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82!", 13},
    {"bom (utf-16-le)", "\xff\xfeH\x00i\x00 \x00i\x00s\x00 \x00\x1f\x04@\x04""8\x04""2\x04""5\x04""B\x04!", 13},
    {"bom (utf-16-be)", "\xfe\xff\x00H\x00i\x00 \x00i\x00s\x00 \x04\x1f\x04@\x04""8\x04""2\x04""5\x04""B!", 13}
};

char *bom_original = "Hi is \xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82";

int check_utf8_sequences(void)
{
    yaml_parser_t *parser;
    int failed = 0;
    int k;
    printf("checking utf-8 sequences...\n");
    for (k = 0; utf8_sequences[k].test; k++) {
        char *title = utf8_sequences[k].title;
        int check = utf8_sequences[k].result;
        int result;
        char *start = utf8_sequences[k].test;
        char *end = start;
        printf("\t%s:\n", title);
        while(1) {
            while (*end != '|' && *end != '!') end++;
            parser = yaml_parser_new();
            assert(parser);
            yaml_parser_set_input_string(parser, (unsigned char *)start, end-start);
            result = yaml_parser_update_buffer(parser, end-start);
            if (result != check) {
                printf("\t\t- ");
                failed ++;
            }
            else {
                printf("\t\t+ ");
            }
            if (!parser->error) {
                printf("(no error)\n");
            }
            else if (parser->error == YAML_READER_ERROR) {
                if (parser->problem_value != -1) {
                    printf("(reader error: %s: #%X at %d)\n",
                            parser->problem, parser->problem_value, parser->problem_offset);
                }
                else {
                    printf("(reader error: %s at %d)\n",
                            parser->problem, parser->problem_offset);
                }
            }
            if (*end == '!') break;
            start = ++end;
            yaml_parser_delete(parser);
        };
        printf("\n");
    }
    printf("checking utf-8 sequences: %d fail(s)\n", failed);
    return failed;
}

int check_boms(void)
{
    yaml_parser_t *parser;
    int failed = 0;
    int k;
    printf("checking boms...\n");
    for (k = 0; boms[k].test; k++) {
        char *title = boms[k].title;
        int check = boms[k].result;
        int result;
        char *start = boms[k].test;
        char *end = start;
        while (*end != '!') end++;
        printf("\t%s: ", title);
        parser = yaml_parser_new();
        assert(parser);
        yaml_parser_set_input_string(parser, (unsigned char *)start, end-start);
        result = yaml_parser_update_buffer(parser, end-start);
        if (!result) {
            printf("- (reader error: %s at %d)\n", parser->problem, parser->problem_offset);
            failed++;
        }
        else {
            if (parser->unread != check) {
                printf("- (length=%d while expected length=%d)\n", parser->unread, check);
                failed++;
            }
            else if (memcmp(parser->buffer, bom_original, check) != 0) {
                printf("- (value '%s' does not equal to the original value '%s')\n", parser->buffer, bom_original);
                failed++;
            }
            else {
                printf("+\n");
            }
        }
        yaml_parser_delete(parser);
    }
    printf("checking boms: %d fail(s)\n", failed);
    return failed;
}

#define LONG    100000

int check_long_utf8(void)
{
    yaml_parser_t *parser;
    int k = 0;
    int j;
    int failed = 0;
    unsigned char ch0, ch1;
    unsigned char *buffer = malloc(3+LONG*2);
    assert(buffer);
    printf("checking a long utf8 sequence...\n");
    buffer[k++] = '\xef';
    buffer[k++] = '\xbb';
    buffer[k++] = '\xbf';
    for (j = 0; j < LONG; j ++) {
        if (j % 2) {
            buffer[k++] = '\xd0';
            buffer[k++] = '\x90';
        }
        else {
            buffer[k++] = '\xd0';
            buffer[k++] = '\xaf';
        }
    }
    parser = yaml_parser_new();
    assert(parser);
    yaml_parser_set_input_string(parser, buffer, 3+LONG*2);
    for (k = 0; k < LONG; k++) {
        if (!parser->unread) {
            if (!yaml_parser_update_buffer(parser, 1)) {
                printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
                failed = 1;
                break;
            }
        }
        if (!parser->unread) {
            printf("\tnot enough characters at %d\n", k);
            failed = 1;
            break;
        }
        if (k % 2) {
            ch0 = '\xd0';
            ch1 = '\x90';
        }
        else {
            ch0 = '\xd0';
            ch1 = '\xaf';
        }
        if (parser->pointer[0] != ch0 || parser->pointer[1] != ch1) {
            printf("\tincorrect UTF-8 sequence: %X %X instead of %X %X\n",
                    (int)parser->pointer[0], (int)parser->pointer[1],
                    (int)ch0, (int)ch1);
            failed = 1;
            break;
        }
        parser->pointer += 2;
        parser->unread -= 1;
    }
    if (!failed) {
        if (!yaml_parser_update_buffer(parser, 1)) {
            printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
            failed = 1;
        }
        else if (parser->pointer[0] != '\0') {
            printf("\texpected NUL, found %X (eof=%d, unread=%d)\n", (int)parser->pointer[0], parser->eof, parser->unread);
            failed = 1;
        }
    }
    yaml_parser_delete(parser);
    free(buffer);
    printf("checking a long utf8 sequence: %d fail(s)\n", failed);
    return failed;
}

int check_long_utf16(void)
{
    yaml_parser_t *parser;
    int k = 0;
    int j;
    int failed = 0;
    unsigned char ch0, ch1;
    unsigned char *buffer = malloc(2+LONG*2);
    assert(buffer);
    printf("checking a long utf16 sequence...\n");
    buffer[k++] = '\xff';
    buffer[k++] = '\xfe';
    for (j = 0; j < LONG; j ++) {
        if (j % 2) {
            buffer[k++] = '\x10';
            buffer[k++] = '\x04';
        }
        else {
            buffer[k++] = '/';
            buffer[k++] = '\x04';
        }
    }
    parser = yaml_parser_new();
    assert(parser);
    yaml_parser_set_input_string(parser, buffer, 2+LONG*2);
    for (k = 0; k < LONG; k++) {
        if (!parser->unread) {
            if (!yaml_parser_update_buffer(parser, 1)) {
                printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
                failed = 1;
                break;
            }
        }
        if (!parser->unread) {
            printf("\tnot enough characters at %d\n", k);
            failed = 1;
            break;
        }
        if (k % 2) {
            ch0 = '\xd0';
            ch1 = '\x90';
        }
        else {
            ch0 = '\xd0';
            ch1 = '\xaf';
        }
        if (parser->pointer[0] != ch0 || parser->pointer[1] != ch1) {
            printf("\tincorrect UTF-8 sequence: %X %X instead of %X %X\n",
                    (int)parser->pointer[0], (int)parser->pointer[1],
                    (int)ch0, (int)ch1);
            failed = 1;
            break;
        }
        parser->pointer += 2;
        parser->unread -= 1;
    }
    if (!failed) {
        if (!yaml_parser_update_buffer(parser, 1)) {
            printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
            failed = 1;
        }
        else if (parser->pointer[0] != '\0') {
            printf("\texpected NUL, found %X (eof=%d, unread=%d)\n", (int)parser->pointer[0], parser->eof, parser->unread);
            failed = 1;
        }
    }
    yaml_parser_delete(parser);
    free(buffer);
    printf("checking a long utf16 sequence: %d fail(s)\n", failed);
    return failed;
}

int
main(void)
{
    return check_utf8_sequences() + check_boms() + check_long_utf8() + check_long_utf16();
}
Commit	Line	Data
3d790dfd KS	1	#include <yaml/yaml.h>
	2
	3	#include <stdlib.h>
	4	#include <stdio.h>
	5	#include <assert.h>
	6
	7	/*
	8	* Test cases are stolen from
	9	* http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
	10	*/
	11
	12	typedef struct {
	13	char *title;
	14	char *test;
	15	int result;
	16	} test_case;
	17
	18	test_case utf8_sequences[] = {
2fa16060 KS	19	/* {"title", "test 1\|test 2\|...\|test N!", (0 or 1)}, */
	20
	21	{"a simple test", "'test' is '\xd0\xbf\xd1\x80\xd0\xbe\xd0\xb2\xd0\xb5\xd1\x80\xd0\xba\xd0\xb0' in Russian!", 1},
	22	{"an empty line", "!", 1},
	23
	24	{"u-0 is a control character", "\x00!", 0},
	25	{"u-80 is a control character", "\xc2\x80!", 0},
	26	{"u-800 is valid", "\xe0\xa0\x80!", 1},
	27	{"u-10000 is valid", "\xf0\x90\x80\x80!", 1},
	28	{"5 bytes sequences are not allowed", "\xf8\x88\x80\x80\x80!", 0},
	29	{"6 bytes sequences are not allowed", "\xfc\x84\x80\x80\x80\x80!", 0},
	30
	31	{"u-7f is a control character", "\x7f!", 0},
	32	{"u-7FF is valid", "\xdf\xbf!", 1},
	33	{"u-FFFF is a control character", "\xef\xbf\xbf!", 0},
	34	{"u-1FFFFF is too large", "\xf7\xbf\xbf\xbf!", 0},
	35	{"u-3FFFFFF is 5 bytes", "\xfb\xbf\xbf\xbf\xbf!", 0},
	36	{"u-7FFFFFFF is 6 bytes", "\xfd\xbf\xbf\xbf\xbf\xbf!", 0},
	37
	38	{"u-D7FF", "\xed\x9f\xbf!", 1},
	39	{"u-E000", "\xee\x80\x80!", 1},
	40	{"u-FFFD", "\xef\xbf\xbd!", 1},
	41	{"u-10FFFF", "\xf4\x8f\xbf\xbf!", 1},
	42	{"u-110000", "\xf4\x90\x80\x80!", 0},
	43
	44	{"first continuation byte", "\x80!", 0},
	45	{"last continuation byte", "\xbf!", 0},
	46
	47	{"2 continuation bytes", "\x80\xbf!", 0},
	48	{"3 continuation bytes", "\x80\xbf\x80!", 0},
	49	{"4 continuation bytes", "\x80\xbf\x80\xbf!", 0},
	50	{"5 continuation bytes", "\x80\xbf\x80\xbf\x80!", 0},
	51	{"6 continuation bytes", "\x80\xbf\x80\xbf\x80\xbf!", 0},
	52	{"7 continuation bytes", "\x80\xbf\x80\xbf\x80\xbf\x80!", 0},
	53
	54	{"sequence of all 64 possible continuation bytes",
	55	"\x80\|\x81\|\x82\|\x83\|\x84\|\x85\|\x86\|\x87\|\x88\|\x89\|\x8a\|\x8b\|\x8c\|\x8d\|\x8e\|\x8f\|"
	56	"\x90\|\x91\|\x92\|\x93\|\x94\|\x95\|\x96\|\x97\|\x98\|\x99\|\x9a\|\x9b\|\x9c\|\x9d\|\x9e\|\x9f\|"
	57	"\xa0\|\xa1\|\xa2\|\xa3\|\xa4\|\xa5\|\xa6\|\xa7\|\xa8\|\xa9\|\xaa\|\xab\|\xac\|\xad\|\xae\|\xaf\|"
	58	"\xb0\|\xb1\|\xb2\|\xb3\|\xb4\|\xb5\|\xb6\|\xb7\|\xb8\|\xb9\|\xba\|\xbb\|\xbc\|\xbd\|\xbe\|\xbf!", 0},
	59	{"32 first bytes of 2-byte sequences {0xc0-0xdf}",
	60	"\xc0 \|\xc1 \|\xc2 \|\xc3 \|\xc4 \|\xc5 \|\xc6 \|\xc7 \|\xc8 \|\xc9 \|\xca \|\xcb \|\xcc \|\xcd \|\xce \|\xcf \|"
	61	"\xd0 \|\xd1 \|\xd2 \|\xd3 \|\xd4 \|\xd5 \|\xd6 \|\xd7 \|\xd8 \|\xd9 \|\xda \|\xdb \|\xdc \|\xdd \|\xde \|\xdf !", 0},
	62	{"16 first bytes of 3-byte sequences {0xe0-0xef}",
	63	"\xe0 \|\xe1 \|\xe2 \|\xe3 \|\xe4 \|\xe5 \|\xe6 \|\xe7 \|\xe8 \|\xe9 \|\xea \|\xeb \|\xec \|\xed \|\xee \|\xef !", 0},
	64	{"8 first bytes of 4-byte sequences {0xf0-0xf7}", "\xf0 \|\xf1 \|\xf2 \|\xf3 \|\xf4 \|\xf5 \|\xf6 \|\xf7 !", 0},
	65	{"4 first bytes of 5-byte sequences {0xf8-0xfb}", "\xf8 \|\xf9 \|\xfa \|\xfb !", 0},
	66	{"2 first bytes of 6-byte sequences {0xfc-0xfd}", "\xfc \|\xfd !", 0},
	67
	68	{"sequences with last byte missing {u-0}",
	69	"\xc0\|\xe0\x80\|\xf0\x80\x80\|\xf8\x80\x80\x80\|\xfc\x80\x80\x80\x80!", 0},
	70	{"sequences with last byte missing {u-...FF}",
	71	"\xdf\|\xef\xbf\|\xf7\xbf\xbf\|\xfb\xbf\xbf\xbf\|\xfd\xbf\xbf\xbf\xbf!", 0},
	72
	73	{"impossible bytes", "\xfe\|\xff\|\xfe\xfe\xff\xff!", 0},
	74
	75	{"overlong sequences {u-2f}",
	76	"\xc0\xaf\|\xe0\x80\xaf\|\xf0\x80\x80\xaf\|\xf8\x80\x80\x80\xaf\|\xfc\x80\x80\x80\x80\xaf!", 0},
	77
	78	{"maximum overlong sequences",
	79	"\xc1\xbf\|\xe0\x9f\xbf\|\xf0\x8f\xbf\xbf\|\xf8\x87\xbf\xbf\xbf\|\xfc\x83\xbf\xbf\xbf\xbf!", 0},
	80
	81	{"overlong representation of the NUL character",
	82	"\xc0\x80\|\xe0\x80\x80\|\xf0\x80\x80\x80\|\xf8\x80\x80\x80\x80\|\xfc\x80\x80\x80\x80\x80!", 0},
83
84	{"single UTF-16 surrogates",
85	"\xed\xa0\x80\|\xed\xad\xbf\|\xed\xae\x80\|\xed\xaf\xbf\|\xed\xb0\x80\|\xed\xbe\x80\|\xed\xbf\xbf!", 0},
86
87	{"paired UTF-16 surrogates",
88	"\xed\xa0\x80\xed\xb0\x80\|\xed\xa0\x80\xed\xbf\xbf\|\xed\xad\xbf\xed\xb0\x80\|"
89	"\xed\xad\xbf\xed\xbf\xbf\|\xed\xae\x80\xed\xb0\x80\|\xed\xae\x80\xed\xbf\xbf\|"
90	"\xed\xaf\xbf\xed\xb0\x80\|\xed\xaf\xbf\xed\xbf\xbf!", 0},
91
92	{"other illegal code positions", "\xef\xbf\xbe\|\xef\xbf\xbf!", 0},
93
94	{NULL, NULL, 0}
95	};
96
97	test_case boms[] = {
98
99	/* {"title", "test!", lenth}, */
100
101	{"no bom (utf-8)", "Hi is \xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82!", 13},
102	{"bom (utf-8)", "\xef\xbb\xbfHi is \xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82!", 13},
103	{"bom (utf-16-le)", "\xff\xfeH\x00i\x00 \x00i\x00s\x00 \x00\x1f\x04@\x04""8\x04""2\x04""5\x04""B\x04!", 13},
104	{"bom (utf-16-be)", "\xfe\xff\x00H\x00i\x00 \x00i\x00s\x00 \x04\x1f\x04@\x04""8\x04""2\x04""5\x04""B!", 13}
3d790dfd KS	105	};
3d790dfd KS	106
2fa16060 KS	107	char *bom_original = "Hi is \xd0\x9f\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82";
2fa16060 KS	108
3d790dfd KS	109	int check_utf8_sequences(void)
	110	{
	111	yaml_parser_t *parser;
	112	int failed = 0;
	113	int k;
	114	printf("checking utf-8 sequences...\n");
	115	for (k = 0; utf8_sequences[k].test; k++) {
	116	char *title = utf8_sequences[k].title;
	117	int check = utf8_sequences[k].result;
	118	int result;
	119	char *start = utf8_sequences[k].test;
	120	char *end = start;
	121	printf("\t%s:\n", title);
	122	while(1) {
	123	while (end != '\|' && end != '!') end++;
	124	parser = yaml_parser_new();
	125	assert(parser);
	126	yaml_parser_set_input_string(parser, (unsigned char *)start, end-start);
	127	result = yaml_parser_update_buffer(parser, end-start);
	128	if (result != check) {
	129	printf("\t\t- ");
	130	failed ++;
	131	}
	132	else {
	133	printf("\t\t+ ");
	134	}
	135	if (!parser->error) {
	136	printf("(no error)\n");
	137	}
	138	else if (parser->error == YAML_READER_ERROR) {
2fa16060 KS	139	if (parser->problem_value != -1) {
	140	printf("(reader error: %s: #%X at %d)\n",
	141	parser->problem, parser->problem_value, parser->problem_offset);
	142	}
	143	else {
	144	printf("(reader error: %s at %d)\n",
	145	parser->problem, parser->problem_offset);
	146	}
3d790dfd KS	147	}
	148	if (*end == '!') break;
	149	start = ++end;
	150	yaml_parser_delete(parser);
	151	};
	152	printf("\n");
	153	}
	154	printf("checking utf-8 sequences: %d fail(s)\n", failed);
	155	return failed;
	156	}
	157
2fa16060 KS	158	int check_boms(void)
	159	{
	160	yaml_parser_t *parser;
	161	int failed = 0;
	162	int k;
	163	printf("checking boms...\n");
	164	for (k = 0; boms[k].test; k++) {
	165	char *title = boms[k].title;
	166	int check = boms[k].result;
	167	int result;
	168	char *start = boms[k].test;
	169	char *end = start;
	170	while (*end != '!') end++;
	171	printf("\t%s: ", title);
	172	parser = yaml_parser_new();
	173	assert(parser);
	174	yaml_parser_set_input_string(parser, (unsigned char *)start, end-start);
	175	result = yaml_parser_update_buffer(parser, end-start);
	176	if (!result) {
	177	printf("- (reader error: %s at %d)\n", parser->problem, parser->problem_offset);
	178	failed++;
	179	}
	180	else {
	181	if (parser->unread != check) {
	182	printf("- (length=%d while expected length=%d)\n", parser->unread, check);
	183	failed++;
	184	}
	185	else if (memcmp(parser->buffer, bom_original, check) != 0) {
	186	printf("- (value '%s' does not equal to the original value '%s')\n", parser->buffer, bom_original);
	187	failed++;
	188	}
	189	else {
	190	printf("+\n");
	191	}
	192	}
	193	yaml_parser_delete(parser);
	194	}
	195	printf("checking boms: %d fail(s)\n", failed);
	196	return failed;
	197	}
	198
	199	#define LONG 100000
	200
	201	int check_long_utf8(void)
	202	{
	203	yaml_parser_t *parser;
	204	int k = 0;
	205	int j;
	206	int failed = 0;
	207	unsigned char ch0, ch1;
	208	unsigned char buffer = malloc(3+LONG2);
	209	assert(buffer);
	210	printf("checking a long utf8 sequence...\n");
	211	buffer[k++] = '\xef';
	212	buffer[k++] = '\xbb';
	213	buffer[k++] = '\xbf';
	214	for (j = 0; j < LONG; j ++) {
	215	if (j % 2) {
	216	buffer[k++] = '\xd0';
	217	buffer[k++] = '\x90';
	218	}
	219	else {
	220	buffer[k++] = '\xd0';
	221	buffer[k++] = '\xaf';
222	}
223	}
224	parser = yaml_parser_new();
225	assert(parser);
226	yaml_parser_set_input_string(parser, buffer, 3+LONG*2);
227	for (k = 0; k < LONG; k++) {
228	if (!parser->unread) {
229	if (!yaml_parser_update_buffer(parser, 1)) {
230	printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
231	failed = 1;
232	break;
233	}
234	}
235	if (!parser->unread) {
236	printf("\tnot enough characters at %d\n", k);
237	failed = 1;
238	break;
239	}
240	if (k % 2) {
241	ch0 = '\xd0';
242	ch1 = '\x90';
243	}
244	else {
245	ch0 = '\xd0';
246	ch1 = '\xaf';
247	}
248	if (parser->pointer[0] != ch0 \|\| parser->pointer[1] != ch1) {
249	printf("\tincorrect UTF-8 sequence: %X %X instead of %X %X\n",
250	(int)parser->pointer[0], (int)parser->pointer[1],
251	(int)ch0, (int)ch1);
252	failed = 1;
253	break;
254	}
255	parser->pointer += 2;
256	parser->unread -= 1;
257	}
258	if (!failed) {
259	if (!yaml_parser_update_buffer(parser, 1)) {
260	printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
261	failed = 1;
262	}
263	else if (parser->pointer[0] != '\0') {
264	printf("\texpected NUL, found %X (eof=%d, unread=%d)\n", (int)parser->pointer[0], parser->eof, parser->unread);
265	failed = 1;
266	}
267	}
268	yaml_parser_delete(parser);
269	free(buffer);
270	printf("checking a long utf8 sequence: %d fail(s)\n", failed);
271	return failed;
272	}
273
274	int check_long_utf16(void)
275	{
276	yaml_parser_t *parser;
277	int k = 0;
278	int j;
279	int failed = 0;
280	unsigned char ch0, ch1;
281	unsigned char buffer = malloc(2+LONG2);
282	assert(buffer);
283	printf("checking a long utf16 sequence...\n");
284	buffer[k++] = '\xff';
285	buffer[k++] = '\xfe';
286	for (j = 0; j < LONG; j ++) {
287	if (j % 2) {
288	buffer[k++] = '\x10';
289	buffer[k++] = '\x04';
290	}
291	else {
292	buffer[k++] = '/';
293	buffer[k++] = '\x04';
294	}
295	}
296	parser = yaml_parser_new();
297	assert(parser);
298	yaml_parser_set_input_string(parser, buffer, 2+LONG*2);
299	for (k = 0; k < LONG; k++) {
300	if (!parser->unread) {
301	if (!yaml_parser_update_buffer(parser, 1)) {
302	printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
303	failed = 1;
304	break;
305	}
306	}
307	if (!parser->unread) {
308	printf("\tnot enough characters at %d\n", k);
309	failed = 1;
310	break;
311	}
312	if (k % 2) {
313	ch0 = '\xd0';
314	ch1 = '\x90';
315	}
316	else {
317	ch0 = '\xd0';
318	ch1 = '\xaf';
319	}
320	if (parser->pointer[0] != ch0 \|\| parser->pointer[1] != ch1) {
321	printf("\tincorrect UTF-8 sequence: %X %X instead of %X %X\n",
322	(int)parser->pointer[0], (int)parser->pointer[1],
323	(int)ch0, (int)ch1);
324	failed = 1;
325	break;
326	}
327	parser->pointer += 2;
328	parser->unread -= 1;
329	}
330	if (!failed) {
331	if (!yaml_parser_update_buffer(parser, 1)) {
332	printf("\treader error: %s at %d\n", parser->problem, parser->problem_offset);
333	failed = 1;
334	}
335	else if (parser->pointer[0] != '\0') {
336	printf("\texpected NUL, found %X (eof=%d, unread=%d)\n", (int)parser->pointer[0], parser->eof, parser->unread);
337	failed = 1;
338	}
339	}
340	yaml_parser_delete(parser);
341	free(buffer);
342	printf("checking a long utf16 sequence: %d fail(s)\n", failed);
343	return failed;
344	}
3d790dfd KS	345
	346	int
	347	main(void)
	348	{
2fa16060	349	return check_utf8_sequences() + check_boms() + check_long_utf8() + check_long_utf16();
3d790dfd	350	}