diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/regression/lib/libc/stdio/Makefile | 2 | ||||
| -rw-r--r-- | tools/regression/lib/libc/stdio/test-scanfloat.c | 180 |
2 files changed, 181 insertions, 1 deletions
diff --git a/tools/regression/lib/libc/stdio/Makefile b/tools/regression/lib/libc/stdio/Makefile index 1003468..a246b99 100644 --- a/tools/regression/lib/libc/stdio/Makefile +++ b/tools/regression/lib/libc/stdio/Makefile @@ -1,6 +1,6 @@ # $FreeBSD$ -TESTS= test-perror test-printfloat +TESTS= test-perror test-printfloat test-scanfloat .PHONY: tests tests: ${TESTS} diff --git a/tools/regression/lib/libc/stdio/test-scanfloat.c b/tools/regression/lib/libc/stdio/test-scanfloat.c new file mode 100644 index 0000000..36b95bc --- /dev/null +++ b/tools/regression/lib/libc/stdio/test-scanfloat.c @@ -0,0 +1,180 @@ +/*- + * Copyright (C) 2003 David Schultz <das@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Test for scanf() floating point formats. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <assert.h> +#include <float.h> +#include <locale.h> +#include <math.h> +#include <stdio.h> +#include <string.h> + +#define eq(type, a, b) _eq(type##_EPSILON, (a), (b)) +static int _eq(long double epsilon, long double a, long double b); + +extern int __scanfdebug; + +int +main(int argc, char *argv[]) +{ + char buf[128]; + long double ld = 0.0; + double d = 0.0; + float f = 0.0; + + buf[0] = '\0'; + assert(setlocale(LC_NUMERIC, "")); + + __scanfdebug = 1; + + sscanf("3.141592", "%e", &f); + assert(eq(FLT, f, 3.141592)); + + sscanf("3.141592653589793", "%lf", &d); + assert(eq(DBL, d, 3.141592653589793)); + + sscanf("3.14159265358979323846", "%Lg", &ld); + assert(eq(LDBL, ld, 3.14159265358979323846L)); + + sscanf("1.234568e+06", "%E", &f); + assert(eq(FLT, f, 1.234568e+06)); + + sscanf("-1.234568e6", "%lF", &d); + assert(eq(DBL, d, -1.234568e6)); + + sscanf("+1.234568e-52", "%LG", &ld); + assert(eq(LDBL, ld, 1.234568e-52L)); + + sscanf("0.1", "%la", &d); + assert(eq(DBL, d, 0.1)); + + sscanf("00.2", "%lA", &d); + assert(eq(DBL, d, 0.2)); + + sscanf("123456", "%5le%s", &d, buf); + assert(eq(DBL, d, 12345.)); + assert(strcmp(buf, "6") == 0); + + sscanf("1.0Q", "%*5le%s", buf); + assert(strcmp(buf, "Q") == 0); + + sscanf("-1.23e", "%e%s", &f, buf); + assert(eq(FLT, f, -1.23)); + assert(strcmp(buf, "e") == 0); + + sscanf("1.25e+", "%le%s", &d, buf); + assert(eq(DBL, d, 1.25)); + assert(strcmp(buf, "e+") == 0); + + sscanf("1.23E4E5", "%le%s", &d, buf); + assert(eq(DBL, d, 1.23e4)); + assert(strcmp(buf, "E5") == 0); + + sscanf("12e6", "%le", &d); + assert(eq(DBL, d, 12e6)); + + sscanf("1.a", "%le%s", &d, buf); + assert(eq(DBL, d, 1.0)); + assert(strcmp(buf, "a") == 0); + + sscanf(".0p4", "%le%s", &d, buf); + assert(eq(DBL, d, 0.0)); + assert(strcmp(buf, "p4") == 0); + + d = 0.25; + assert(sscanf(".", "%le", &d) == 0); + assert(d == 0.25); + + sscanf("0x08", "%le", &d); + assert(d == 0x8p0); + + sscanf("0x90a.bcdefP+09a", "%le%s", &d, buf); + assert(d == 0x90a.bcdefp+09); + assert(strcmp(buf, "a") == 0); + +#if LDBL_MANT_DIG > DBL_MANT_DIG + sscanf(" 0X.0123456789abcdefffp-3g", "%Le%s", &ld, buf); + assert(ld == 0x.0123456789abcdefffp-3L); + assert(strcmp(buf, "g") == 0); +#endif + + sscanf("0xg", "%le%s", &d, buf); + assert(d == 0.0); + assert(strcmp(buf, "xg") == 0); + + assert(setlocale(LC_NUMERIC, "ru_RU.ISO8859-5")); /* decimalpoint==, */ + + sscanf("1.23", "%le%s", &d, buf); + assert(d == 1.0); + assert(strcmp(buf, ".23") == 0); + + sscanf("1,23", "%le", &d); + assert(d == 1.23); + + assert(setlocale(LC_NUMERIC, "")); + + sscanf("-Inf", "%le", &d); + assert(d < 0.0 && isinf(d)); + + sscanf("iNfInItY and beyond", "%le%s", &d, buf); + assert(d > 0.0 && isinf(d)); + assert(strcmp(buf, " and beyond")); + + sscanf("NaN", "%le", &d); + assert(isnan(d)); + + sscanf("NAN(123Y", "%le%s", &d, buf); + assert(isnan(d)); + assert(strcmp(buf, "(123Y") == 0); + + sscanf("nan(f00f)plugh", "%le%s", &d, buf); + assert(isnan(d)); + assert(strcmp(buf, "plugh") == 0); + + sscanf("-nan", "%le", &d); + assert(isnan(d)); + + printf("PASS scanfloat\n"); + + return (0); +} + +static int +_eq(long double epsilon, long double a, long double b) +{ + long double delta; + + delta = a - b; + if (delta < 0) /* XXX no fabsl() */ + delta = -delta; + return (delta <= epsilon); +} |
