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authorLennart Weller <lhw@ring0.de>2017-09-17 22:17:33 +0000
committerLennart Weller <lhw@ring0.de>2017-09-17 22:17:33 +0000
commit6aaf5ba7ed0980c14bdc554fc8839a2126455ed5 (patch)
tree6161925716661486e7f47c479668a9487b039d83 /src/unit_test.c
parentNew upstream version 1.7.0+dfsg (diff)
downloadnetdata-6aaf5ba7ed0980c14bdc554fc8839a2126455ed5.tar.xz
netdata-6aaf5ba7ed0980c14bdc554fc8839a2126455ed5.zip
New upstream version 1.8.0+dfsgupstream/1.8.0+dfsg
Diffstat (limited to 'src/unit_test.c')
-rw-r--r--src/unit_test.c60
1 files changed, 51 insertions, 9 deletions
diff --git a/src/unit_test.c b/src/unit_test.c
index 9b008138f..3c9632119 100644
--- a/src/unit_test.c
+++ b/src/unit_test.c
@@ -31,8 +31,8 @@ int check_storage_number(calculated_number n, int debug) {
CALCULATED_NUMBER_FORMAT " re-parsed from printed (diff " CALCULATED_NUMBER_FORMAT ", " CALCULATED_NUMBER_FORMAT "%%)\n\n",
n,
d, s, ddiff, dcdiff,
- buffer,
- len, p, pdiff, pcdiff
+ buffer, len,
+ p, pdiff, pcdiff
);
if(len != strlen(buffer)) fprintf(stderr, "ERROR: printed number %s is reported to have length %zu but it has %zu\n", buffer, len, strlen(buffer));
if(dcdiff > ACCURACY_LOSS) fprintf(stderr, "WARNING: packing number " CALCULATED_NUMBER_FORMAT " has accuracy loss %0.7Lf %%\n", n, dcdiff);
@@ -45,6 +45,19 @@ int check_storage_number(calculated_number n, int debug) {
return 0;
}
+calculated_number storage_number_min(calculated_number n) {
+ calculated_number r = 1, last;
+
+ do {
+ last = n;
+ n /= 2.0;
+ storage_number t = pack_storage_number(n, SN_EXISTS);
+ r = unpack_storage_number(t);
+ } while(r != 0.0 && r != last);
+
+ return last;
+}
+
void benchmark_storage_number(int loop, int multiplier) {
int i, j;
calculated_number n, d;
@@ -73,10 +86,10 @@ void benchmark_storage_number(int loop, int multiplier) {
}
fprintf(stderr, "\nNETDATA FLOATING POINT\n");
- fprintf(stderr, "MIN POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_POSITIVE_MIN);
+ fprintf(stderr, "MIN POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", storage_number_min(1));
fprintf(stderr, "MAX POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_POSITIVE_MAX);
fprintf(stderr, "MIN NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_NEGATIVE_MIN);
- fprintf(stderr, "MAX NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_NEGATIVE_MAX);
+ fprintf(stderr, "MAX NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", -storage_number_min(1));
fprintf(stderr, "Maximum accuracy loss: " CALCULATED_NUMBER_FORMAT "%%\n\n\n", (calculated_number)ACCURACY_LOSS);
// ------------------------------------------------------------------------
@@ -231,7 +244,7 @@ int unit_test_storage()
int unit_test_str2ld() {
char *values[] = {
- "1.234567", "-35.6", "0.00123", "23842384234234.2", ".1", "1.2e-10",
+ "1.2345678", "-35.6", "0.00123", "23842384234234.2", ".1", "1.2e-10",
"hello", "1wrong", "nan", "inf", NULL
};
@@ -269,6 +282,36 @@ int unit_test_str2ld() {
return 0;
}
+int unit_test_buffer() {
+ BUFFER *wb = buffer_create(1);
+ char string[2048 + 1];
+ char final[9000 + 1];
+ int i;
+
+ for(i = 0; i < 2048; i++)
+ string[i] = (char)((i % 24) + 'a');
+ string[2048] = '\0';
+
+ const char *fmt = "string1: %s\nstring2: %s\nstring3: %s\nstring4: %s";
+ buffer_sprintf(wb, fmt, string, string, string, string);
+ snprintfz(final, 9000, fmt, string, string, string, string);
+
+ const char *s = buffer_tostring(wb);
+
+ if(buffer_strlen(wb) != strlen(final) || strcmp(s, final) != 0) {
+ fprintf(stderr, "\nbuffer_sprintf() is faulty.\n");
+ fprintf(stderr, "\nstring : %s (length %zu)\n", string, strlen(string));
+ fprintf(stderr, "\nbuffer : %s (length %zu)\n", s, buffer_strlen(wb));
+ fprintf(stderr, "\nexpected: %s (length %zu)\n", final, strlen(final));
+ buffer_free(wb);
+ return -1;
+ }
+
+ fprintf(stderr, "buffer_sprintf() works as expected.\n");
+ buffer_free(wb);
+ return 0;
+}
+
// --------------------------------------------------------------------------------------------------------------------
struct feed_values {
@@ -994,7 +1037,7 @@ int run_test(struct test *test)
for(c = 0 ; c < max ; c++) {
calculated_number v = unpack_storage_number(rd->values[c]);
calculated_number n = test->results[c];
- int same = (roundl(v * 10000000.0) == roundl(n * 10000000.0))?1:0;
+ int same = (calculated_number_round(v * 10000000.0) == calculated_number_round(n * 10000000.0))?1:0;
fprintf(stderr, " %s/%s: checking position %lu (at %lu secs), expecting value " CALCULATED_NUMBER_FORMAT ", found " CALCULATED_NUMBER_FORMAT ", %s\n",
test->name, rd->name, c+1,
(rrdset_first_entry_t(st) + c * st->update_every) - time_start,
@@ -1005,7 +1048,7 @@ int run_test(struct test *test)
if(rd2) {
v = unpack_storage_number(rd2->values[c]);
n = test->results2[c];
- same = (roundl(v * 10000000.0) == roundl(n * 10000000.0))?1:0;
+ same = (calculated_number_round(v * 10000000.0) == calculated_number_round(n * 10000000.0))?1:0;
fprintf(stderr, " %s/%s: checking position %lu (at %lu secs), expecting value " CALCULATED_NUMBER_FORMAT ", found " CALCULATED_NUMBER_FORMAT ", %s\n",
test->name, rd2->name, c+1,
(rrdset_first_entry_t(st) + c * st->update_every) - time_start,
@@ -1019,8 +1062,7 @@ int run_test(struct test *test)
static int test_variable_renames(void) {
fprintf(stderr, "Creating chart\n");
- RRDSET *st = rrdset_create_localhost("chart", "ID", NULL, "family", "context", "Unit Testing", "a value", 1, 1
- , RRDSET_TYPE_LINE);
+ RRDSET *st = rrdset_create_localhost("chart", "ID", NULL, "family", "context", "Unit Testing", "a value", 1, 1, RRDSET_TYPE_LINE);
fprintf(stderr, "Created chart with id '%s', name '%s'\n", st->id, st->name);
fprintf(stderr, "Creating dimension DIM1\n");