kolibrios-fun/contrib/network/netsurf/libcss/test/number.c
Yogev Ezra bb2bbc6b91 Move NetSurf to /contrib folder
git-svn-id: svn://kolibrios.org@4364 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-12-15 14:01:21 +00:00

201 lines
3.6 KiB
C

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <libcss/libcss.h>
#include "utils/utils.h"
#include "testutils.h"
typedef struct line_ctx {
size_t buflen;
size_t bufused;
uint8_t *buf;
size_t explen;
char exp[256];
bool indata;
bool inexp;
} line_ctx;
static bool handle_line(const char *data, size_t datalen, void *pw);
static void run_test(const uint8_t *data, size_t len,
const char *exp, size_t explen);
static void print_css_fixed(char *buf, size_t len, css_fixed f);
int main(int argc, char **argv)
{
line_ctx ctx;
if (argc != 2) {
printf("Usage: %s <filename>\n", argv[0]);
return 1;
}
ctx.buflen = css__parse_filesize(argv[1]);
if (ctx.buflen == 0)
return 1;
ctx.buf = malloc(ctx.buflen);
if (ctx.buf == NULL) {
printf("Failed allocating %u bytes\n",
(unsigned int) ctx.buflen);
return 1;
}
ctx.buf[0] = '\0';
ctx.bufused = 0;
ctx.explen = 0;
ctx.indata = false;
ctx.inexp = false;
assert(css__parse_testfile(argv[1], handle_line, &ctx) == true);
/* and run final test */
if (ctx.bufused > 0)
run_test(ctx.buf, ctx.bufused - 1, ctx.exp, ctx.explen);
free(ctx.buf);
printf("PASS\n");
return 0;
}
bool handle_line(const char *data, size_t datalen, void *pw)
{
line_ctx *ctx = (line_ctx *) pw;
if (data[0] == '#') {
if (ctx->inexp) {
/* This marks end of testcase, so run it */
run_test(ctx->buf, ctx->bufused - 1,
ctx->exp, ctx->explen);
ctx->buf[0] = '\0';
ctx->bufused = 0;
ctx->explen = 0;
}
if (ctx->indata && strncasecmp(data+1, "expected", 8) == 0) {
ctx->indata = false;
ctx->inexp = true;
} else if (!ctx->indata) {
ctx->indata = (strncasecmp(data+1, "data", 4) == 0);
ctx->inexp = (strncasecmp(data+1, "expected", 8) == 0);
} else {
memcpy(ctx->buf + ctx->bufused, data, datalen);
ctx->bufused += datalen;
}
} else {
if (ctx->indata) {
memcpy(ctx->buf + ctx->bufused, data, datalen);
ctx->bufused += datalen;
}
if (ctx->inexp) {
if (data[datalen - 1] == '\n')
datalen -= 1;
memcpy(ctx->exp, data, datalen);
ctx->explen = datalen;
}
}
return true;
}
void run_test(const uint8_t *data, size_t len, const char *exp, size_t explen)
{
lwc_string *in;
size_t consumed;
css_fixed result;
char buf[256];
UNUSED(exp);
UNUSED(explen);
assert(lwc_intern_string((const char *)data, len, &in) == lwc_error_ok);
result = css__number_from_lwc_string(in, false, &consumed);
print_css_fixed(buf, sizeof(buf), result);
printf("got: %s expected: %.*s\n", buf, (int) explen, exp);
assert(strncmp(buf, exp, explen) == 0);
lwc_string_unref(in);
}
void print_css_fixed(char *buf, size_t len, css_fixed f)
{
#define ABS(x) (uint32_t)((x) < 0 ? -(x) : (x))
uint32_t uintpart = FIXTOINT(ABS(f));
/* + 500 to ensure round to nearest (division will truncate) */
uint32_t fracpart = ((ABS(f) & 0x3ff) * 1000 + 500) / (1 << 10);
#undef ABS
size_t flen = 0;
char tmp[20];
size_t tlen = 0;
if (len == 0)
return;
if (f < 0) {
buf[0] = '-';
buf++;
len--;
}
do {
tmp[tlen] = "0123456789"[uintpart % 10];
tlen++;
uintpart /= 10;
} while (tlen < 20 && uintpart != 0);
while (len > 0 && tlen > 0) {
buf[0] = tmp[--tlen];
buf++;
len--;
}
if (len > 0) {
buf[0] = '.';
buf++;
len--;
}
do {
tmp[tlen] = "0123456789"[fracpart % 10];
tlen++;
fracpart /= 10;
} while (tlen < 20 && fracpart != 0);
while (len > 0 && tlen > 0) {
buf[0] = tmp[--tlen];
buf++;
len--;
flen++;
}
while (len > 0 && flen < 3) {
buf[0] = '0';
buf++;
len--;
flen++;
}
if (len > 0) {
buf[0] = '\0';
buf++;
len--;
}
}