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fcdf98f38c
There is very little test coverage of inputs to strtod-family
functions that don't contain anything that can be parsed as a number
(one test of ".y" in tst-strtod2), and none that I can see of skipping
initial whitespace. Add some tests of these things to tst-strtod2.
Tested for x86_64.
(cherry picked from commit 378039ca57)
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "tst-strtod.h"
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#define TEST_STRTOD(FSUF, FTYPE, FTOSTR, LSUF, CSUF) \
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struct test_strto ## FSUF \
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{ \
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const char *str; \
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FTYPE result; \
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size_t offset; \
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} tests_strto ## FSUF[] = \
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{ \
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{ "0xy", 0.0 ## LSUF, 1 }, \
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{ "0x.y", 0.0 ## LSUF, 1 }, \
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{ "0x0.y", 0.0 ## LSUF, 4 }, \
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{ "0x.0y", 0.0 ## LSUF, 4 }, \
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{ ".y", 0.0 ## LSUF, 0 }, \
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{ "0.y", 0.0 ## LSUF, 2 }, \
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{ ".0y", 0.0 ## LSUF, 2 }, \
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{ "1.0e", 1.0 ## LSUF, 3 }, \
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{ "1.0e+", 1.0 ## LSUF, 3 }, \
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{ "1.0e-", 1.0 ## LSUF, 3 }, \
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{ "1.0ex", 1.0 ## LSUF, 3 }, \
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{ "1.0e+x", 1.0 ## LSUF, 3 }, \
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{ "1.0e-x", 1.0 ## LSUF, 3 }, \
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{ "0x1p", 1.0 ## LSUF, 3 }, \
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{ "0x1p+", 1.0 ## LSUF, 3 }, \
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{ "0x1p-", 1.0 ## LSUF, 3 }, \
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{ "0x1px", 1.0 ## LSUF, 3 }, \
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{ "0x1p+x", 1.0 ## LSUF, 3 }, \
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{ "0x1p-x", 1.0 ## LSUF, 3 }, \
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{ "", 0.0 ## LSUF, 0 }, \
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{ ".", 0.0 ## LSUF, 0 }, \
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{ "-", 0.0 ## LSUF, 0 }, \
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{ "-.", 0.0 ## LSUF, 0 }, \
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{ ".e", 0.0 ## LSUF, 0 }, \
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{ "-.e", 0.0 ## LSUF, 0 }, \
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{ " \t", 0.0 ## LSUF, 0 }, \
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{ " \t.", 0.0 ## LSUF, 0 }, \
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{ " \t-", 0.0 ## LSUF, 0 }, \
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{ " \t-.", 0.0 ## LSUF, 0 }, \
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{ " \t.e", 0.0 ## LSUF, 0 }, \
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{ " \t-.e", 0.0 ## LSUF, 0 }, \
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{ " \t\f\r\n\v1", 1.0 ## LSUF, 7 }, \
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{ " \t\f\r\n\v-1.5e2", -150.0 ## LSUF, 12 }, \
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{ "INFx", INFINITY, 3 }, \
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{ "infx", INFINITY, 3 }, \
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{ "INFINITx", INFINITY, 3 }, \
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{ "infinitx", INFINITY, 3 }, \
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{ "INFINITYY", INFINITY, 8 }, \
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{ "infinityy", INFINITY, 8 }, \
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{ "NANx", NAN, 3 }, \
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{ "nanx", NAN, 3 }, \
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{ "NAN(", NAN, 3 }, \
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{ "nan(", NAN, 3 }, \
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{ "NAN(x", NAN, 3 }, \
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{ "nan(x", NAN, 3 }, \
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{ "NAN(x)y", NAN, 6 }, \
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{ "nan(x)y", NAN, 6 }, \
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{ "NAN(*)y", NAN, 3 }, \
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{ "nan(*)y", NAN, 3 } \
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}; \
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\
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static int \
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compare_strto ## FSUF (FTYPE x, FTYPE y) \
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{ \
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if (isnan (x) && isnan (y)) \
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return 1; \
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return x == y; \
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} \
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\
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static int \
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test_strto ## FSUF (void) \
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{ \
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int status = 0; \
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for (size_t i = 0; \
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i < sizeof (tests_strto ## FSUF) / sizeof (tests_strto ## FSUF[0]); \
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++i) \
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{ \
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char *ep; \
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FTYPE r = strto ## FSUF (tests_strto ## FSUF[i].str, &ep); \
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if (!compare_strto ## FSUF (r, tests_strto ## FSUF[i].result)) \
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{ \
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char buf1[FSTRLENMAX], buf2[FSTRLENMAX]; \
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FTOSTR (buf1, sizeof (buf1), "%g", r); \
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FTOSTR (buf2, sizeof (buf2), "%g", tests_strto ## FSUF[i].result); \
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printf ("test %zu r = %s, expect %s\n", i, buf1, buf2); \
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status = 1; \
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} \
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if (ep != tests_strto ## FSUF[i].str + tests_strto ## FSUF[i].offset) \
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{ \
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printf ("test %zu strto" #FSUF \
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" parsed %tu characters, expected %zu\n", \
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i, ep - tests_strto ## FSUF[i].str, \
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tests_strto ## FSUF[i].offset); \
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status = 1; \
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} \
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} \
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return status; \
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}
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GEN_TEST_STRTOD_FOREACH (TEST_STRTOD)
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static int
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do_test (void)
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{
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return STRTOD_TEST_FOREACH (test_strto);
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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