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source: mainline/uspace/app/tester/print/print6.c

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Last change on this file was 09ab0a9a, checked in by Jiri Svoboda <jiri@…>, 7 years ago
Fix vertical spacing with new Ccheck revision.
Property mode set to `100644`
File size: 6.7 KB

Rev	Line
[82d062d8]	1	/*
	2	* Copyright (c) 2012 Adam Hraska
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	*
	9	* - Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	* - Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	* - The name of the author may not be used to endorse or promote products
	15	* derived from this software without specific prior written permission.
	16	*
	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	27	*/
	28
[34b9299]	29	#include <stdio.h>
	30	#include "../tester.h"
	31
	32	#include <str.h>
	33
	34	const char *test_print6(void)
	35	{
	36	struct {
	37	double val;
	38	const char *fmt;
	39	const char *exp_str;
	40	const char *warn_str;
	41	} pat[] = {
[1b20da0]	42	/*
	43	* Generic
[34b9299]	44	*/
	45	{ 2.0, "%g", "2", 0 },
	46	{ 0, "%g", "0", 0 },
	47	{ 0.1, "%g", "0.1", 0 },
	48	{ 9e59, "%g", "9e+59", 0 },
	49	{ -9e-59, "%g", "-9e-59", 0 },
[1b20da0]	50	{ 1e307, "%g", "1e+307", 0 },
	51	{ 0.09999999999999999, "%g", "9.999999999999999e-02", 0 },
	52	{ 0.099999999999999999, "%g", "0.1", 0 },
[34b9299]	53
[82d062d8]	54	/*
	55	* gcc and msvc convert "3.4567e-317" to different binary
	56	* doubles.
	57	*/
[1b20da0]	58	{ 3.4567e-317, "%g", "3.4567e-317", "3.456998e-317" },
	59	{ 3.4567e-318, "%g", "3.4567e-318", 0 },
	60	{ 123456789012345.0, "%g", "123456789012345", 0 },
	61	{ -123456789012345.0, "%g", "-123456789012345", 0 },
[34b9299]	62
	63	/* Special */
[1b20da0]	64	{ 1e300 * 1e300, "%g", "inf", 0 },
[3bacee1]	65	{ -1.0 / (1e300 * 1e300), "%g", "-0", 0 },
[34b9299]	66
[1b20da0]	67	{ 1234567.8901, "%g", "1234567.8901", 0 },
	68	{ 1234567.80012, "%g", "1234567.80012", 0 },
	69	{ 112e-32, "%g", "1.12e-30", 0 },
	70	{ 10.0e45, "%g", "1e+46", 0 },
[34b9299]	71
	72	/* rounding w/ trailing zero removal */
[1b20da0]	73	{ 0.01, "%10.6g", " 0.01", 0 },
	74	{ 9.495, "%10.2g", " 9.5", 0 },
	75	{ 9.495e30, "%10.2g", " 9.5e+30", 0 },
	76	{ 9.495e30, "%10g", " 9.495e+30", 0 },
	77	{ 9.495e30, "%10.6g", " 9.495e+30", 0 },
[34b9299]	78
	79	/*
[1b20da0]	80	* Scientific
[34b9299]	81	*/
[1b20da0]	82	{ 1e05, "%e", "1.000000e+05", 0 },
[34b9299]	83
	84	/* full padding */
[82d062d8]	85
	86	/* __PRINTF_FLAG_SHOWPLUS \| __PRINTF_FLAG_ZEROPADDED */
	87	{ 1e-1, "%+010.3e", "+1.000e-01", 0 },
[1b20da0]	88	{ 1e-1, "%+10.3e", "+1.000e-01", 0 },
[82d062d8]	89	/* __PRINTF_FLAG_SHOWPLUS \| __PRINTF_FLAG_LEFTALIGNED */
	90	{ 1e-1, "%+-10.3e", "+1.000e-01", 0 },
[34b9299]	91
	92	/* padding */
	93
[82d062d8]	94	/* __PRINTF_FLAG_SHOWPLUS \| __PRINTF_FLAG_ZEROPADDED */
	95	{ 1e-1, "%+010.2e", "+01.00e-01", 0 },
[1b20da0]	96	{ 1e-1, "%+10.2e", " +1.00e-01", 0 },
[82d062d8]	97	/* __PRINTF_FLAG_SHOWPLUS \| __PRINTF_FLAG_LEFTALIGNED */
	98	{ 1e-1, "%+-10.2e", "+1.00e-01 ", 0 },
	99	/* __PRINTF_FLAG_SPACESIGN \| __PRINTF_FLAG_ZEROPADDED */
	100	{ 1e-1, "% 010.2e", " 01.00e-01", 0 },
	101	/* __PRINTF_FLAG_ZEROPADDED */
	102	{ 1e-1, "%010.2e", "001.00e-01", 0 },
	103	/* __PRINTF_FLAG_SPACESIGN */
	104	{ 1e-1, "% 10.2e", " 1.00e-01", 0 },
[1b20da0]	105	{ 1e-1, "%10.2e", " 1.00e-01", 0 },
[34b9299]	106
	107	/* padding fractionals */
[82d062d8]	108
	109	/* __PRINTF_FLAG_SHOWPLUS \| __PRINTF_FLAG_ZEROPADDED */
	110	{ 1.08e29, "%+010.3e", "+1.080e+29", 0 },
[1b20da0]	111	{ 1.08e29, "%+10.3e", "+1.080e+29", 0 },
[82d062d8]	112	/* __PRINTF_FLAG_SHOWPLUS \| __PRINTF_FLAG_ZEROPADDED */
	113	{ 1.08e29, "%+011.2e", "+001.08e+29", 0 },
[1b20da0]	114	{ 1.085e29, "%11.2e", " 1.09e+29", 0 },
[34b9299]	115
	116	/* rounding */
[82d062d8]	117
[1b20da0]	118	{ 1.345e2, "%+10.2e", " +1.35e+02", 0 },
	119	{ 9.995e2, "%+10.2e", " +1.00e+03", 0 },
	120	{ -9.99499999e2, "%10.2e", " -9.99e+02", 0 },
	121	{ -9.99499999e2, "%10.0e", " -1e+03", 0 },
[82d062d8]	122	/* __PRINTF_FLAG_DECIMALPT */
	123	{ -9.99499999e2, "%#10.0e", " -1.e+03", 0 },
	124	/* __PRINTF_FLAG_DECIMALPT */
	125	{ -1.2345006789e+231, "%#10.10e", "-1.2345006789e+231", 0 },
	126	/* __PRINTF_FLAG_DECIMALPT */
	127	{ -1.23450067995e+231, "%#10.10e", "-1.2345006800e+231", 0 },
[a35b458]	128
[34b9299]	129	/* special */
[82d062d8]	130
[1b20da0]	131	{ 1e300 * 1e300, "%10.5e", " inf", 0 },
[3bacee1]	132	{ -1.0 / (1e300 * 1e300), "%10.2e", " -0.00e+00", 0 },
[82d062d8]	133	/* __PRINTF_FLAG_BIGCHARS */
	134	{ 1e300 * 1e300, "%10.5E", " INF", 0 },
	135	/* __PRINTF_FLAG_BIGCHARS */
[3bacee1]	136	{ -1.0 / (1e300 * 1e300), "%10.2E", " -0.00E+00", 0 },
[34b9299]	137
	138	/*
	139	* Fixed
	140	*/
[a35b458]	141
[34b9299]	142	/* padding */
[82d062d8]	143
	144	/* __PRINTF_FLAG_SPACESIGN \| __PRINTF_FLAG_ZEROPADDED */
	145	{ 1e-1, "% 010.3f", " 00000.100", 0 },
	146	/*
	147	* __PRINTF_FLAG_SPACESIGN \| __PRINTF_FLAG_ZEROPADDED \|
	148	* __PRINTF_FLAG_LEFTALIGNED
	149	*/
	150	{ 1e-1, "% 0-10.3f", " 0.100 ", 0 },
	151	/* __PRINTF_FLAG_SPACESIGN \| __PRINTF_FLAG_ZEROPADDED */
	152	{ 1e-1, "% 010.3f", " 00000.100", 0 },
[1b20da0]	153	{ 1e-1, "%10.3f", " 0.100", 0 },
[34b9299]	154
	155	/* rounding */
[82d062d8]	156
[1b20da0]	157	{ -0.0, "%10.0f", " -0", 0 },
	158	{ -0.099, "%+10.3f", " -0.099", 0 },
	159	{ -0.0995, "%+10.3f", " -0.100", 0 },
	160	{ -0.0994, "%+10.3f", " -0.099", 0 },
	161	{ -99.995, "%+10.0f", " -100", 0 },
	162	{ 3.5, "%+10.30f", "+3.500000000000000000000000000000", 0 },
	163	{ 3.5, "%+10.0f", " +4", 0 },
	164	{ 0.1, "%+10.6f", " +0.100000", 0 },
[34b9299]	165
[82d062d8]	166	/*
	167	* The compiler will go for closer 0.10..055 instead of
	168	* 0.09..917
	169	*/
[1b20da0]	170	{ 0.1, "%+10.20f", "+0.10000000000000000550", 0 },
[34b9299]	171	/* Next closest to 0.1 */
[82d062d8]	172	{ 0.0999999999999999917, "%+10.20f", "+0.09999999999999999170",
[3bacee1]	173	0 },
[82d062d8]	174	{ 0.0999999999999999917, "%+10f", " +0.100000", 0 },
	175	{ 0.0999999999999998945, "%10.20f", "0.09999999999999989450",
[3bacee1]	176	0 },
[34b9299]	177	};
	178
	179	int patterns_len = (int)(sizeof(pat) / sizeof(pat[0]));
	180	int failed = 0;
	181	const int buf_size = 256;
	182	char buf[256 + 1] = { 0 };
[a35b458]	183
[82d062d8]	184	TPRINTF("Test printing of floating point numbers via "
	185	"printf(\"%%f\"):\n");
[a35b458]	186
[34b9299]	187	for (int i = 0; i < patterns_len; ++i) {
[a35b458]	188
[34b9299]	189	snprintf(buf, buf_size, pat[i].fmt, pat[i].val);
[a35b458]	190
[82d062d8]	191	if (!str_cmp(buf, pat[i].exp_str)) {
	192	TPRINTF("ok: %s \|%s\| == \|%s\|\n",
	193	pat[i].fmt, buf, pat[i].exp_str);
[34b9299]	194	} else {
[82d062d8]	195	if (pat[i].warn_str && !str_cmp(buf, pat[i].warn_str)) {
	196	TPRINTF("warn: %s \|%s\| != \|%s\|\n",
	197	pat[i].fmt, buf, pat[i].exp_str);
[34b9299]	198	} else {
	199	++failed;
[82d062d8]	200	TPRINTF("ERR: %s \|%s\| != \|%s\|\n",
	201	pat[i].fmt, buf, pat[i].exp_str);
[34b9299]	202	}
	203	}
	204	}
[a35b458]	205
[34b9299]	206	if (failed) {
	207	return "Unexpectedly misprinted floating point numbers.";
	208	} else {
	209	return 0;
	210	}
	211	}

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