From 5f9db1d7689c6e63d910343835d3cdcada5a475e Mon Sep 17 00:00:00 2001 From: Stewart Smith Date: Wed, 12 Oct 2016 16:26:18 +1100 Subject: snprintf: increase testing, %u and 0 padding Signed-off-by: Stewart Smith --- libc/test/run-snprintf.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/libc/test/run-snprintf.c b/libc/test/run-snprintf.c index e1de983..80993e8 100644 --- a/libc/test/run-snprintf.c +++ b/libc/test/run-snprintf.c @@ -24,6 +24,57 @@ int test1(void); int skiboot_snprintf(char *buf, size_t bufsz, size_t l, const char* format, ...); +static void test_printf_0u(int n) +{ + char *buf, *buf2; + int blen; + unsigned int i; + + for(i=1; i<10; i++) + { + blen = i+1; + if (n<0) + blen++; + + buf = (char*)malloc(blen); + buf2 = (char*)malloc(blen); + skiboot_snprintf(buf, blen, blen, "%08u", n); + snprintf(buf2, blen, "%08u", n); + n = n * 10; + assert(0 == strncmp(buf, buf2, blen)); + free(buf); + free(buf2); + } +} + +static void test_printf_u(int n) +{ + char *buf, *buf2; + int blen; + unsigned int r; + unsigned int i; + + for(i=1; i<10; i++) + { + blen = i+1; + if (n<0) + blen++; + + buf = (char*)malloc(blen); + buf2 = (char*)malloc(blen); + r = skiboot_snprintf(buf, blen, blen, "%u", n); + snprintf(buf2, blen, "%u", n); + n = n * 10; + if (n<0) + assert(i+1 == r); + else + assert(i == r); + assert(0 == strncmp(buf, buf2, blen)); + free(buf); + free(buf2); + } +} + static void test_printf_d(int n) { char *buf, *buf2; @@ -180,6 +231,8 @@ int main(void) assert(buf[9] == 0); free(buf); + test_printf_u(1); + test_printf_0u(1); test_printf_d(1); test_printf_d(-1); test_printf_x("%x"); -- cgit v1.1