From 3155439c1a96f1964aaee799b008331d0b362db3 Mon Sep 17 00:00:00 2001 From: johannst Date: Mon, 19 Apr 2021 21:50:29 +0200 Subject: added tests for fmt() char, long nums --- lib/src/fmt.c | 2 +- test/checker.cc | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+), 1 deletion(-) diff --git a/lib/src/fmt.c b/lib/src/fmt.c index 56d95ed..24ddd98 100644 --- a/lib/src/fmt.c +++ b/lib/src/fmt.c @@ -51,7 +51,7 @@ int vfmt(char* buf, unsigned long len, const char* fmt, va_list ap) { put(*s++); \ } - char scratch[16]; + char scratch[32]; int l_cnt = 0; while (*fmt) { diff --git a/test/checker.cc b/test/checker.cc index 2707929..d687b72 100644 --- a/test/checker.cc +++ b/test/checker.cc @@ -15,6 +15,15 @@ void check_dec() { ASSERT_EQ('\0', have[len]); } +void check_dec_long() { + char have[32]; + int len = fmt(have, sizeof(have), "%ld %d", 8589934592 /* 2^33 */, 8589934592 /* 2^33 */); + + ASSERT_EQ("8589934592 0", have); + ASSERT_EQ(12, len); + ASSERT_EQ('\0', have[len]); +} + void check_hex() { char have[16]; int len = fmt(have, sizeof(have), "%x %x", 0xdeadbeef, 0xcafe); @@ -24,6 +33,24 @@ void check_hex() { ASSERT_EQ('\0', have[len]); } +void check_hex_long() { + char have[32]; + int len = fmt(have, sizeof(have), "%lx %x", 0x1111222233334444, 0x1111222233334444); + + ASSERT_EQ("1111222233334444 33334444", have); + ASSERT_EQ(25, len); + ASSERT_EQ('\0', have[len]); +} + +void check_char() { + char have[4]; + int len = fmt(have, sizeof(have), "%c%c%c", 'A', 'a', '\x01' /* non printable */); + + ASSERT_EQ("Aa\x01", have); + ASSERT_EQ(3, len); + ASSERT_EQ('\0', have[len]); +} + void check_ptr() { char have[16]; int len = fmt(have, sizeof(have), "%p %p", (void*)0xabcd, (void*)0x0); @@ -60,7 +87,10 @@ void check_exceed_len() { int main() { TEST_INIT; TEST_ADD(check_dec); + TEST_ADD(check_dec_long); TEST_ADD(check_hex); + TEST_ADD(check_hex_long); + TEST_ADD(check_char); TEST_ADD(check_ptr); TEST_ADD(check_null); TEST_ADD(check_exact_len); -- cgit v1.2.3