1/**
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *   http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <locale.h>
17#include <stdlib.h>
18#include <math.h>
19#include <float.h>
20#include <string.h>
21#include "functionalext.h"
22
23
24#define EXPECT_DOUBLE_EQ(a, b)                                             \
25    do {                                                                   \
26        if (!(a == b || (fabs(a - b) < DBL_EPSILON)))                      \
27            t_error("%s failed: %f is not equal to %f\n", __func__, a, b); \
28    } while (0)
29
30
31#define LENGTH(x) (sizeof(x) / sizeof *(x))
32
33static struct {
34    char *s;
35    double f;
36} g_t[] = {
37    {"0", 0.0},
38    {"00.00", 0.0},
39    {"-.00000", -0.0},
40    {"1e+1000000", INFINITY},
41    {"1e-1000000", 0},
42    // 2^-1074 * 0.5 - eps
43    {".2470328229206232720882843964341106861825299013071623822127928412503377536351043e-323", 0},
44    // 2^-1074 * 0.5 + eps
45    {".2470328229206232720882843964341106861825299013071623822127928412503377536351044e-323", 0x1p-1074},
46    // 2^-1074 * 1.5 - eps
47    {".7410984687618698162648531893023320585475897039214871466383785237510132609053131e-323", 0x1p-1074},
48    // 2^-1074 * 1.5 + eps
49    {".7410984687618698162648531893023320585475897039214871466383785237510132609053132e-323", 0x1p-1073},
50    // 2^-1022 + 2^-1075 - eps
51    {".2225073858507201630123055637955676152503612414573018013083228724049586647606759e-307", 0x1p-1022},
52    // 2^-1022 + 2^-1075 + eps
53    {".2225073858507201630123055637955676152503612414573018013083228724049586647606760e-307", 0x1.0000000000001p-1022},
54    // 2^1024 - 2^970 - eps
55    {"17976931348623158079372897140530341507993413271003782693617377898044"
56    "49682927647509466490179775872070963302864166928879109465555478519404"
57    "02630657488671505820681908902000708383676273854845817711531764475730"
58    "27006985557136695962284291481986083493647529271907416844436551070434"
59    "2711559699508093042880177904174497791.999999999999999999999999999999", 0x1.fffffffffffffp1023},
60    // 2^1024 - 2^970
61    {"17976931348623158079372897140530341507993413271003782693617377898044"
62    "49682927647509466490179775872070963302864166928879109465555478519404"
63    "02630657488671505820681908902000708383676273854845817711531764475730"
64    "27006985557136695962284291481986083493647529271907416844436551070434"
65    "2711559699508093042880177904174497792", INFINITY},
66    // some random numbers
67    {".5961860348131807091861002266453941950428e00", 0.59618603481318067}, // 0x1.313f4bc3b584cp-1
68    {"1.815013169218038729887460898733526957442e-1", 0.18150131692180388}, // 0x1.73b6f662e1712p-3
69    {"42.07082357534453600681618685682257590772e-2", 0.42070823575344535}, // 0x1.aece23c6e028dp-2
70    {"665.4686306516261456328973225579833470816e-3", 0.66546863065162609}, // 0x1.54b84dea53453p-1
71    {"6101.852922970868621786690495485449831753e-4", 0.61018529229708685}, // 0x1.386a34e5d516bp-1
72    {"76966.95208236968077849464348875471158549e-5", 0.76966952082369677}, // 0x1.8a121f9954dfap-1
73    {"250506.5322228682496132604807222923702304e-6", 0.25050653222286823}, // 0x1.0084c8cd538c2p-2
74    {"2740037.230228005325852424697698331177377e-7", 0.27400372302280052}, // 0x1.18946e9575ef4p-2
75    {"20723093.50049742645941529268715428324490e-8", 0.20723093500497428}, // 0x1.a868b14486e4dp-3
76    {"0.7900280238081604956226011047460238748912e1", 7.9002802380816046}, // 0x1.f99e3100f2eaep+2
77    {"0.9822860653737296848190558448760465863597e2", 98.228606537372968}, // 0x1.88ea17d506accp+6
78    {"0.7468949723190370809405570560160405324869e3", 746.89497231903704}, // 0x1.75728e73f48b7p+9
79    {"0.1630268320282728475980459844271031751665e4", 1630.2683202827284}, // 0x1.97912c28d5cbp+10
80    {"0.4637168629719170695109918769645492022088e5", 46371.686297191707}, // 0x1.6a475f6258737p+15
81    {"0.6537805944497711554209461686415872067523e6", 653780.59444977110}, // 0x1.3f3a9305bb86cp+19
82    {"0.2346324356502437045212230713960457676531e6", 234632.43565024371}, // 0x1.ca4437c3631eap+17
83    {"0.9709481716420048341897258980454298205278e8", 97094817.164200485}, // 0x1.7263284a8242cp+26
84    {"0.4996908522051874110779982354932499499602e9", 499690852.20518744}, // 0x1.dc8ad6434872ap+28
85};
86
87/**
88 * @tc.name      : strtod_l_0100
89 * @tc.desc      : set locale as zh_CN.UTF-8, do basic tests for strtod_l
90 * @tc.level     : Level 0
91 */
92void strtod_l_0100(void)
93{
94    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN.UTF-8", NULL);
95    int i;
96    double x;
97    char *p;
98
99    for (i = 0; i < LENGTH(g_t); i++) {
100        x = strtod_l(g_t[i].s, &p, loc);
101        EXPECT_DOUBLE_EQ(x, g_t[i].f);
102    }
103}
104
105
106/**
107 * @tc.name      : strtod_l_0200
108 * @tc.desc      : set locale as zh_CN, transfer string 123.45xxx to double, and check rest string
109 * @tc.level     : Level 0
110 */
111void strtod_l_0200(void)
112{
113    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
114    char* str = "123.45xxx";
115    const double target = 123.45;
116    char str1[] = "xxx";
117    char* end;
118    double num = strtod_l(str, &end, loc);
119    EXPECT_DOUBLE_EQ(num, target);
120    if (strcmp(end, str1)) {
121        t_error("%s the result of comparing two strings should be equal", __func__);
122    }
123}
124
125/**
126 * @tc.name      : strtod_l_0300
127 * @tc.desc      : set locale as zh_CN, transfer string +123.45xxx to double, and check rest string
128 * @tc.level     : Level 0
129 */
130void strtod_l_0300(void)
131{
132    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
133    char* str = "+123.45xxx";
134    const double target = 123.45;
135    char str1[] = "xxx";
136    char* end;
137    double num = strtod_l(str, &end, loc);
138    EXPECT_DOUBLE_EQ(num, target);
139    if (strcmp(end, str1)) {
140        t_error("%s the result of comparing two strings should be equal", __func__);
141    }
142}
143
144/**
145 * @tc.name      : strtod_l_0400
146 * @tc.desc      : set locale as zh_CN, transfer string -123.45xxx to double, and check rest string
147 * @tc.level     : Level 0
148 */
149void strtod_l_0400(void)
150{
151    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
152    char* str = "-123.45xxx";
153    const double target = -123.45;
154    char str1[] = "xxx";
155    char* end;
156    double num = strtod_l(str, &end, loc);
157    EXPECT_DOUBLE_EQ(num, target);
158    if (strcmp(end, str1)) {
159        t_error("%s the result of comparing two strings should be equal", __func__);
160    }
161}
162
163/**
164 * @tc.name      : strtod_l_0500
165 * @tc.desc      : set locale as zh_CN, transfer string   123.45xxx to double, and check rest string
166 * @tc.level     : Level 0
167 */
168void strtod_l_0500(void)
169{
170    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
171    char* str = "  123.45xxx";
172    const double target = 123.45;
173    char str1[] = "xxx";
174    char* end;
175    double num = strtod_l(str, &end, loc);
176    EXPECT_DOUBLE_EQ(num, target);
177    if (strcmp(end, str1)) {
178        t_error("%s the result of comparing two strings should be equal", __func__);
179    }
180}
181
182/**
183 * @tc.name      : strtod_l_0600
184 * @tc.desc      : set locale as zh_CN, transfer string   123.45xxx to double, and check rest string
185 * @tc.level     : Level 0
186 */
187void strtod_l_0600(void)
188{
189    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
190    char* str = "xxx123.45";
191    const double target = 0;
192    char str1[] = "xxx123.45";
193    char* end;
194    double num = strtod_l(str, &end, loc);
195    EXPECT_DOUBLE_EQ(num, target);
196    if (strcmp(end, str1)) {
197        t_error("%s the result of comparing two strings should be equal", __func__);
198    }
199}
200
201/**
202 * @tc.name      : strtod_l_0700
203 * @tc.desc      : set locale as zh_CN, transfer string +inf to double
204 * @tc.level     : Level 0
205 */
206void strtod_l_0700(void)
207{
208    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
209    char* str = "+inf";
210    const double target = INFINITY;
211    char* end;
212    double num = strtod_l(str, &end, loc);
213    EXPECT_DOUBLE_EQ(num, target);
214}
215
216/**
217 * @tc.name      : strtod_l_0800
218 * @tc.desc      : set locale as zh_CN, transfer string infinity to double
219 * @tc.level     : Level 0
220 */
221void strtod_l_0800(void)
222{
223    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
224    char* str = "infinity";
225    const double target = INFINITY;
226    char* end;
227    double num = strtod_l(str, &end, loc);
228    EXPECT_DOUBLE_EQ(num, target);
229}
230
231/**
232 * @tc.name      : strtod_l_0900
233 * @tc.desc      : set locale as zh_CN, transfer string infinixxx to double, and check rest string
234 * @tc.level     : Level 0
235 */
236void strtod_l_0900(void)
237{
238    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
239    char* str = "infinixxx";
240    const double target = INFINITY;
241    char str1[] = "inixxx";
242    char* end;
243    double num = strtod_l(str, &end, loc);
244    EXPECT_DOUBLE_EQ(num, target);
245    if (strcmp(end, str1)) {
246        t_error("%s the result of comparing two strings should be equal", __func__);
247    }
248}
249
250/**
251 * @tc.name      : strtod_l_1000
252 * @tc.desc      : set locale as zh_CN, transfer string -inf to double
253 * @tc.level     : Level 0
254 */
255void strtod_l_1000(void)
256{
257    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
258    char* str = "-inf";
259    const double target = -INFINITY;
260    char* end;
261    double num = strtod_l(str, &end, loc);
262    EXPECT_DOUBLE_EQ(num, target);
263}
264
265/**
266 * @tc.name      : strtod_l_1100
267 * @tc.desc      : set locale as zh_CN, transfer string +nan to double
268 * @tc.level     : Level 0
269 */
270void strtod_l_1100(void)
271{
272    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
273    char* str = "+nan";
274    const double target = NAN;
275    char* end;
276    double num = strtod_l(str, &end, loc);
277    if (!isnan(num)) {
278        t_error("%s failed: res should be nan\n", __func__);
279    }
280}
281
282/**
283 * @tc.name      : strtod_l_1200
284 * @tc.desc      : set locale as zh_CN, transfer string -nan to double
285 * @tc.level     : Level 0
286 */
287void strtod_l_1200(void)
288{
289    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
290    char* str = "-nan";
291    const double target = NAN;
292    char* end;
293    double num = strtod_l(str, &end, loc);
294    if (!isnan(num)) {
295        t_error("%s failed: res should be nan\n", __func__);
296    }
297}
298
299/**
300 * @tc.name      : strtod_l_1300
301 * @tc.desc      : set locale as zh_CN, transfer string 0X1.BC to double, and check rest string
302 * tips: strtod_l does not support hexadecimal number, should return 0
303 * @tc.level     : Level 0
304 */
305void strtod_l_1300(void)
306{
307    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
308    char* str = "0X1.BC";
309    const double target = 0;
310    char str1[] = "X1.BC";
311    char* end;
312    double num = strtod_l(str, &end, loc);
313    EXPECT_DOUBLE_EQ(num, target);
314    if (strcmp(end, str1)) {
315        t_error("%s the result of comparing two strings should be equal", __func__);
316    }
317}
318
319/**
320 * @tc.name      : strtod_l_1400
321 * @tc.desc      : set locale as zh_CN, transfer empty string, the res should be zero
322 * @tc.level     : Level 0
323 */
324void strtod_l_1400(void)
325{
326    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
327    char* str = "";
328    const double target = 0;
329    char* end;
330    double num = strtod_l(str, &end, loc);
331    EXPECT_DOUBLE_EQ(num, target);
332}
333
334/**
335 * @tc.name      : strtod_l_1500
336 * @tc.desc      : set locale as zh_CN, transfer string    xxx to num, the res should be zero
337 * @tc.level     : Level 0
338 */
339void strtod_l_1500(void)
340{
341    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN", NULL);
342    char* str = "   xxx";
343    const double target = 0;
344    char str1[] = "   xxx";
345    char* end;
346    double num = strtod_l(str, &end, loc);
347    EXPECT_DOUBLE_EQ(num, target);
348    if (strcmp(end, str1)) {
349        t_error("%s the result of comparing two strings should be equal", __func__);
350    }
351}
352
353
354/**
355 * @tc.name      : strtod_l_1600
356 * @tc.desc      : set locale as de_DE whcih is not supported by newlocale, transfer string 1234.56 to num,
357 the string should be processed by original strtod
358 * @tc.level     : Level 0
359 */
360void strtod_l_1600(void)
361{
362    locale_t loc = newlocale(LC_ALL_MASK, "de_DE", NULL);
363    char* str = "1234.56";
364    const double target = 1234.56;
365    char str1[] = "";
366    char* end;
367    double num = strtod_l(str, &end, loc);
368    EXPECT_DOUBLE_EQ(num, target);
369    if (strcmp(end, str1)) {
370        t_error("%s the result of comparing two strings should be equal", __func__);
371    }
372}
373
374/**
375 * @tc.name      : strtod_l_1700
376 * @tc.desc      : set locale LC_CTYPE_MASK as zh_CN, transfer blank string to num
377 * @tc.level     : Level 0
378 */
379void strtod_l_1700(void)
380{
381    locale_t loc = newlocale(LC_CTYPE_MASK, "zh_CN", NULL);
382    char* str = "     ";
383    const double target = 0;
384    char str1[] = "     ";
385    char* end;
386    double num = strtod_l(str, &end, loc);
387    EXPECT_DOUBLE_EQ(num, target);
388    if (strcmp(end, str1)) {
389        t_error("%s the result of comparing two strings should be equal", __func__);
390    }
391}
392
393/**
394 * @tc.name      : strtod_l_1800
395 * @tc.desc      : set locale as zh_CN.UTF-8, set endptr as NULL
396 * @tc.level     : Level 0
397 */
398void strtod_l_1800(void)
399{
400    locale_t loc = newlocale(LC_ALL_MASK, "zh_CN.UTF-8", NULL);
401    char* str = "123.45";
402    const double target = 123.45;
403    double num = strtod_l(str, NULL, loc);
404    EXPECT_DOUBLE_EQ(num, target);
405}
406
407int main(void)
408{
409    strtod_l_0100();
410    strtod_l_0200();
411    strtod_l_0300();
412    strtod_l_0400();
413    strtod_l_0500();
414    strtod_l_0600();
415    strtod_l_0700();
416    strtod_l_0800();
417    strtod_l_0900();
418    strtod_l_1000();
419    strtod_l_1100();
420    strtod_l_1200();
421    strtod_l_1300();
422    strtod_l_1400();
423    strtod_l_1500();
424    strtod_l_1600();
425    strtod_l_1700();
426    strtod_l_1800();
427
428    return t_status;
429}