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Diffstat (limited to 'lib/mlibc/tests/ansi/sprintf.c')
| -rw-r--r-- | lib/mlibc/tests/ansi/sprintf.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/lib/mlibc/tests/ansi/sprintf.c b/lib/mlibc/tests/ansi/sprintf.c new file mode 100644 index 0000000..fd9398c --- /dev/null +++ b/lib/mlibc/tests/ansi/sprintf.c @@ -0,0 +1,191 @@ +#include <stdio.h> +#include <assert.h> +#include <math.h> +#include <string.h> + +int main() { + char buf[11] = { 0 }; + sprintf(buf, "%d", 12); + assert(!strcmp(buf, "12")); + sprintf(buf, "%f", 3.14); + assert(!strcmp(buf, "3.140000")); + + // Test %c right padding. + sprintf(buf, "%-2c", 'a'); + assert(!strcmp(buf, "a ")); + + // Test %c left padding. + sprintf(buf, "%2c", 'a'); + assert(!strcmp(buf, " a")); + + // Test %d right padding - mlibc issue #58. + sprintf(buf, "%-2d", 1); + assert(!strcmp(buf, "1 ")); + sprintf(buf, "%-2.2d", 1); + assert(!strcmp(buf, "01")); + sprintf(buf, "%-3.2d", 1); + assert(!strcmp(buf, "01 ")); + sprintf(buf, "%-3.2d", 12); + assert(!strcmp(buf, "12 ")); + sprintf(buf, "%-3.2d", 123); + assert(!strcmp(buf, "123")); + sprintf(buf, "%-3.2u", 12); + assert(!strcmp(buf, "12 ")); + + // Test %d left padding. + sprintf(buf, "%2d", 1); + assert(!strcmp(buf, " 1")); + sprintf(buf, "%3.2d", 1); + assert(!strcmp(buf, " 01")); + sprintf(buf, "%3.2d", 12); + assert(!strcmp(buf, " 12")); + sprintf(buf, "%3.2d", 123); + assert(!strcmp(buf, "123")); + sprintf(buf, "%3.2u", 12); + assert(!strcmp(buf, " 12")); + + // Test %f padding. + // TODO: Test printing of huge numbers (larger than 2^64) + sprintf(buf, "%2.f", 1.2); + assert(!strcmp(buf, " 1")); + sprintf(buf, "%2.f", 12.3); + assert(!strcmp(buf, "12")); + sprintf(buf, "%5.2f", 1.0); + assert(!strcmp(buf, " 1.00")); + sprintf(buf, "%.1f", -4.0); + assert(!strcmp(buf, "-4.0")); + sprintf(buf, "%-3.f", 8.0); + assert(!strcmp(buf, "8 ")); + sprintf(buf, "%4f", INFINITY); + assert(!strcmp(buf, " inf") || !strcmp(buf, "infinity")); + sprintf(buf, "%4f", NAN); + assert(!strcmp(buf, " nan")); + sprintf(buf, "%4F", INFINITY); + assert(!strcmp(buf, " INF") || !strcmp(buf, "INFINITY")); + sprintf(buf, "%4F", NAN); + assert(!strcmp(buf, " NAN")); + sprintf(buf, "%05.2f", 1.0); + assert(!strcmp(buf, "01.00")); + sprintf(buf, "%09f", INFINITY); // 0 ignored when padding infs + assert(!strcmp(buf, " inf") || !strcmp(buf, " infinity")); + // TODO: We don't yet round properly + // sprintf(buf, "%5.2f", 1.2); + // assert(!strcmp(buf, " 1.20")); + // sprintf(buf, "%5.2f", 1.23); + // assert(!strcmp(buf, " 1.23")); + // sprintf(buf, "%5.2f", 1.234); + // assert(!strcmp(buf, " 1.23")); + // sprintf(buf, "%5.2f", 12.345); + // assert(!strcmp(buf, "12.35")); + // sprintf(buf, "%-5.2f", 1.2); + // assert(!strcmp(buf, "1.20 ")); + + // Test '+' and ' ' flags - mlibc issue #229. + // Disable -Wformat here since we deliberately induce some warnings. +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wformat" + sprintf(buf, "%+d", 12); + assert(!strcmp(buf, "+12")); + sprintf(buf, "% d", 12); + assert(!strcmp(buf, " 12")); + sprintf(buf, "% +d", 12); + assert(!strcmp(buf, "+12")); + sprintf(buf, "%+ d", 12); + assert(!strcmp(buf, "+12")); + sprintf(buf, "%+d", -12); + assert(!strcmp(buf, "-12")); + sprintf(buf, "% d", -12); + assert(!strcmp(buf, "-12")); + sprintf(buf, "% +d", -12); + assert(!strcmp(buf, "-12")); + sprintf(buf, "%+ d", -12); + assert(!strcmp(buf, "-12")); +#pragma GCC diagnostic pop + + // Test '#' flag. + // TODO: Test with a, A, e, E, f, F, g, G conversions. + sprintf(buf, "%#x", 12); + assert(!strcmp(buf, "0xc")); + sprintf(buf, "%#X", 12); + assert(!strcmp(buf, "0XC")); + sprintf(buf, "%#o", 12); + assert(!strcmp(buf, "014")); + sprintf(buf, "%#x", 0); + assert(!strcmp(buf, "0")); + sprintf(buf, "%#X", 0); + assert(!strcmp(buf, "0")); + sprintf(buf, "%#o", 0); + assert(!strcmp(buf, "0")); + + // Test 'd' with different size mods to see + // if they work + sprintf(buf, "%d", 12); + assert(!strcmp(buf, "12")); + sprintf(buf, "%ld", 12L); + assert(!strcmp(buf, "12")); + sprintf(buf, "%lld", 12LL); + assert(!strcmp(buf, "12")); + sprintf(buf, "%zd", (size_t)12); + assert(!strcmp(buf, "12")); + sprintf(buf, "%hd", 12); + assert(!strcmp(buf, "12")); + sprintf(buf, "%hhd", 12); + assert(!strcmp(buf, "12")); + + // Test 'x' with different size mods to see + // if they work + sprintf(buf, "%x", 12); + assert(!strcmp(buf, "c")); + sprintf(buf, "%lx", 12L); + assert(!strcmp(buf, "c")); + sprintf(buf, "%llx", 12LL); + assert(!strcmp(buf, "c")); + sprintf(buf, "%zx", (size_t)12); + assert(!strcmp(buf, "c")); + sprintf(buf, "%hx", 12); + assert(!strcmp(buf, "c")); + sprintf(buf, "%hhx", 12); + assert(!strcmp(buf, "c")); + + // Test 'X' with different size mods to see + // if they work + sprintf(buf, "%X", 12); + assert(!strcmp(buf, "C")); + sprintf(buf, "%lX", 12L); + assert(!strcmp(buf, "C")); + sprintf(buf, "%llX", 12LL); + assert(!strcmp(buf, "C")); + sprintf(buf, "%zX", (size_t)12); + assert(!strcmp(buf, "C")); + sprintf(buf, "%hX", 12); + assert(!strcmp(buf, "C")); + sprintf(buf, "%hhX", 12); + assert(!strcmp(buf, "C")); + + // Test 'o' with different size mods to see + // if they work + sprintf(buf, "%o", 12); + assert(!strcmp(buf, "14")); + sprintf(buf, "%lo", 12L); + assert(!strcmp(buf, "14")); + sprintf(buf, "%llo", 12LL); + assert(!strcmp(buf, "14")); + sprintf(buf, "%zo", (size_t)12); + assert(!strcmp(buf, "14")); + sprintf(buf, "%ho", 12); + assert(!strcmp(buf, "14")); + sprintf(buf, "%hho", 12); + assert(!strcmp(buf, "14")); + + // Test %n$ syntax. + sprintf(buf, "%1$d", 12); + assert(!strcmp(buf, "12")); + sprintf(buf, "%1$d %1$d", 12); + assert(!strcmp(buf, "12 12")); + sprintf(buf, "%1$d %2$d %1$d", 12, 14); + assert(!strcmp(buf, "12 14 12")); + sprintf(buf, "%1$d %2$s %2$s", 12, "foo"); + assert(!strcmp(buf, "12 foo foo")); + + return 0; +} |