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Add simple ll2string() tests

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This commit is contained in:
Matt Stancliff 2014-11-20 13:00:08 -05:00
parent 8febcffdc5
commit 9b343678d2
1 changed files with 42 additions and 0 deletions
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42
src/util.c
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@ -636,6 +636,47 @@ static void test_string2l(void) {
#endif #endif
} }
static void test_ll2string(void) {
char buf[32];
long long v;
int sz;
v = 0;
sz = ll2string(buf, sizeof buf, v);
assert(sz == 1);
assert(!strcmp(buf, "0"));
v = -1;
sz = ll2string(buf, sizeof buf, v);
assert(sz == 2);
assert(!strcmp(buf, "-1"));
v = 99;
sz = ll2string(buf, sizeof buf, v);
assert(sz == 2);
assert(!strcmp(buf, "99"));
v = -99;
sz = ll2string(buf, sizeof buf, v);
assert(sz == 3);
assert(!strcmp(buf, "-99"));
v = -2147483648;
sz = ll2string(buf, sizeof buf, v);
assert(sz == 11);
assert(!strcmp(buf, "-2147483648"));
v = LLONG_MIN;
sz = ll2string(buf, sizeof buf, v);
assert(sz == 20);
assert(!strcmp(buf, "-9223372036854775808"));
v = LLONG_MAX;
sz = ll2string(buf, sizeof buf, v);
assert(sz == 19);
assert(!strcmp(buf, "9223372036854775807"));
}
#define UNUSED(x) (void)(x) #define UNUSED(x) (void)(x)
int utilTest(int argc, char **argv) { int utilTest(int argc, char **argv) {
UNUSED(argc); UNUSED(argc);
@ -643,6 +684,7 @@ int utilTest(int argc, char **argv) {
test_string2ll(); test_string2ll();
test_string2l(); test_string2l();
test_ll2string();
return 0; return 0;
} }
#endif #endif