/*- * Copyright (c) 2002 David Schultz * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Test for printf() floating point formats. */ #include __FBSDID("$FreeBSD: head/tools/regression/lib/libc/stdio/test-printfloat.c 113192 2003-04-07 00:42:49Z das $"); #include #include #include #include #include #include #include #include #include #include #define testfmt(result, fmt, ...) \ _testfmt((result), __LINE__, #__VA_ARGS__, fmt, __VA_ARGS__) void _testfmt(const char *, int, const char *, const char *, ...); void smash_stack(void); int main(int argc, char *argv[]) { assert(setlocale(LC_NUMERIC, "")); testfmt(" 1.000000E+00", "%13E", 1.0); testfmt(" 1.000000", "%13f", 1.0); testfmt(" 1", "%13G", 1.0); testfmt(" 1.000000E+00", "%13LE", 1.0L); testfmt(" 1.000000", "%13Lf", 1.0L); testfmt(" 1", "%13LG", 1.0L); testfmt("2.718282", "%.*f", -2, 2.7182818); testfmt("1.234568e+06", "%e", 1234567.8); testfmt("1234567.800000", "%f", 1234567.8); testfmt("1.23457E+06", "%G", 1234567.8); testfmt("1.234568e+06", "%Le", 1234567.8L); testfmt("1234567.800000", "%Lf", 1234567.8L); testfmt("1.23457E+06", "%LG", 1234567.8L); #if LDBL_MANT_DIG > DBL_MANT_DIG testfmt("123456789.864210", "%Lf", 123456789.8642097531L); testfmt("-1.23457E+08", "%LG", -123456789.8642097531L); testfmt("123456789.8642097531", "%.10Lf", 123456789.8642097531L); testfmt(" 3.141592653589793238e-4000", "%L27.18Le", 3.14159265358979323846e-4000L); #endif testfmt("nan", "%e", NAN); testfmt("NAN", "%F", NAN); testfmt("nan", "%g", NAN); testfmt("NAN", "%LE", (long double)NAN); testfmt("INF", "%E", HUGE_VAL); testfmt("-inf", "%f", -HUGE_VAL); testfmt("+inf", "%+g", HUGE_VAL); testfmt(" inf", "%4.2Le", HUGE_VALL); testfmt("-inf", "%Lf", -HUGE_VALL); testfmt("0.000000e+00", "%e", 0.0); testfmt("0.000000", "%F", (double)0.0); testfmt("0", "%G", 0.0); testfmt(" 0", "%3.0Lg", 0.0L); testfmt("1.0123e+00", "%.4e", 1.0123456789); testfmt("1.0123", "%.4f", 1.0123456789); testfmt("1.012", "%.4g", 1.0123456789); testfmt("1.2346e-02", "%.4e", 0.0123456789); testfmt("0.0123", "%.4f", 0.0123456789); testfmt("0.01235", "%.4g", 0.0123456789); testfmt("12345678.0625", "%'.04f", 12345678.0625); testfmt("0012345678.0625", "%'015.4F", 12345678.0625); assert(setlocale(LC_NUMERIC, "hi_IN.ISCII-DEV")); /* grouping == 2;3 */ testfmt("123,456,78.0625", "%'.4f", 12345678.0625); testfmt("00123,456,78.0625", "%'017.4F", 12345678.0625); testfmt(" 90,00", "%'6.0f", 9000.0); testfmt("90,00.0", "%'.1f", 9000.0); assert(setlocale(LC_NUMERIC, "ru_RU.ISO8859-5")); /* decimalpoint==, */ testfmt("3,1415", "%g", 3.1415); assert(setlocale(LC_NUMERIC, "")); testfmt("12345678.062500", "%'f", 12345678.0625); testfmt("9000.000000", "%'f", 9000.0); testfmt("+2.500000e-01", "%+e", 0.25); testfmt("+0.000000", "%+F", 0.0); testfmt("-1", "%+g", -1.0); testfmt("-1.000000e+00", "% e", -1.0); testfmt("+1.000000", "% +f", 1.0); testfmt(" 1", "% g", 1.0); testfmt(" 0", "% g", 0.0); testfmt("1.250e+00", "%#.3e", 1.25); testfmt("123.000000", "%#f", 123.0); testfmt(" 12345.", "%#7.5g", 12345.0); testfmt(" 1.00000", "%#8g", 1.0); testfmt("0.0", "%#.2g", 0.0); testfmt("03.2E+00", "%08.1E", 3.25); testfmt("003.25", "%06.2F", 3.25); testfmt("0003.25", "%07.4G", 3.25); testfmt("3.14159e-05", "%g", 3.14159e-5); testfmt("0.000314159", "%g", 3.14159e-4); testfmt("3.14159e+06", "%g", 3.14159e6); testfmt("314159", "%g", 3.14159e5); testfmt("314159.", "%#g", 3.14159e5); testfmt(" 0.0", "%4.1f", 0.0); testfmt("90.0", "%4.1f", 90.0); testfmt(" 100", "%4.0f", 100.0); testfmt("9.0e+01", "%4.1e", 90.0); testfmt("1e+02", "%4.0e", 100.0); printf("PASS printfloat\n"); return (0); } void smash_stack(void) { static uint32_t junk = 0xdeadbeef; uint32_t buf[512]; int i; for (i = 0; i < sizeof(buf) / sizeof(buf[0]); i++) buf[i] = junk; } void _testfmt(const char *result, int line, const char *argstr, const char *fmt,...) { char s[100]; va_list ap; va_start(ap, fmt); smash_stack(); vsnprintf(s, sizeof(s), fmt, ap); if (strcmp(result, s) != 0) { fprintf(stderr, "%d: printf(\"%s\", %s) ==> [%s], expected [%s]\n", line, fmt, argstr, s, result); abort(); } }