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comparison: test/test_printf.cpp

test/test_printf.cpp

changeset 636
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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "cx/printf.h"
30 #include "cx/buffer.h"
31
32 #include <gtest/gtest.h>
33 #include "util_allocator.h"
34
35 class PrintfFixture : public ::testing::Test {
36 protected:
37 std::string buf;
38 CxTestingAllocator alloc;
39
40 void TearDown() override {
41 buf.clear();
42 ASSERT_TRUE(alloc.verify());
43 }
44
45 static size_t write_func(
46 void const *src,
47 size_t esize,
48 size_t ecount,
49 void *target
50 ) {
51 auto str = reinterpret_cast<char const *>(src);
52 auto buf = reinterpret_cast<std::string *>(target);
53 EXPECT_EQ(esize, 1);
54 EXPECT_EQ(strlen(str), ecount);
55 *buf = str;
56 return ecount;
57 }
58 };
59
60
61 TEST_F(PrintfFixture, BPrintf) {
62 CxBuffer buf;
63 cxBufferInit(&buf, nullptr, 64, &alloc, 0);
64
65 auto r = cx_bprintf(&buf, "This %s aged %u years in a %2XSK.", "Test", 10, 0xca);
66 EXPECT_EQ(r, 34);
67 EXPECT_EQ(buf.size, 34);
68 buf.space[r] = '\0';
69 EXPECT_STREQ(buf.space, "This Test aged 10 years in a CASK.");
70
71 cxBufferDestroy(&buf);
72 }
73
74 TEST_F(PrintfFixture, FPrintf) {
75 auto h = "Hello";
76 size_t r;
77
78 r = cx_fprintf(&buf, PrintfFixture::write_func, "teststring");
79 EXPECT_EQ(r, 10);
80 EXPECT_EQ(buf, "teststring");
81
82 r = cx_fprintf(&buf, PrintfFixture::write_func, "[%10s]", h);
83 EXPECT_EQ(r, 12);
84 EXPECT_EQ(buf, "[ Hello]");
85
86 r = cx_fprintf(&buf, PrintfFixture::write_func, "[%-10s]", h);
87 EXPECT_EQ(r, 12);
88 EXPECT_EQ(buf, "[Hello ]");
89
90 r = cx_fprintf(&buf, PrintfFixture::write_func, "[%*s]", 10, h);
91 EXPECT_EQ(r, 12);
92 EXPECT_EQ(buf, "[ Hello]");
93
94 r = cx_fprintf(&buf, PrintfFixture::write_func, "[%-10.*s]", 4, h);
95 EXPECT_EQ(r, 12);
96 EXPECT_EQ(buf, "[Hell ]");
97
98 r = cx_fprintf(&buf, PrintfFixture::write_func, "[%-*.*s]", 10, 4, h);
99 EXPECT_EQ(r, 12);
100 EXPECT_EQ(buf, "[Hell ]");
101
102 r = cx_fprintf(&buf, PrintfFixture::write_func, "%c", 'A');
103 EXPECT_EQ(r, 1);
104 EXPECT_EQ(buf, "A");
105
106 r = cx_fprintf(&buf, PrintfFixture::write_func, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
107 EXPECT_EQ(r, 19);
108 EXPECT_EQ(buf, "1 2 000003 0 +4 -4");
109
110 r = cx_fprintf(&buf, PrintfFixture::write_func, "%x %x %X %#x", 5, 10, 10, 6);
111 EXPECT_EQ(r, 9);
112 EXPECT_EQ(buf, "5 a A 0x6");
113
114 r = cx_fprintf(&buf, PrintfFixture::write_func, "%o %#o %#o", 10, 10, 4);
115 EXPECT_EQ(r, 9);
116 EXPECT_EQ(buf, "12 012 04");
117
118 r = cx_fprintf(&buf, PrintfFixture::write_func, "%f %.0f %.32f", 1.5, 1.5, 1.3);
119 EXPECT_EQ(r, 45);
120 EXPECT_EQ(buf, "1.500000 2 1.30000000000000004440892098500626");
121
122 r = cx_fprintf(&buf, PrintfFixture::write_func, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
123 EXPECT_EQ(r, 16);
124 EXPECT_EQ(buf, "01.50 1.50 1.50");
125
126 r = cx_fprintf(&buf, PrintfFixture::write_func, "%E %e", 1.5, 1.5);
127 EXPECT_EQ(r, 25);
128 EXPECT_EQ(buf, "1.500000E+00 1.500000e+00");
129
130 r = cx_fprintf(&buf, PrintfFixture::write_func, "%a %A", 1.5, 1.5);
131 EXPECT_EQ(r, 17);
132 EXPECT_EQ(buf, "0x1.8p+0 0X1.8P+0");
133
134 r = cx_fprintf(&buf, PrintfFixture::write_func, "0/0=%g 1/0=%g", 0.0 / 0.0, 1.0 / 0.0);
135 EXPECT_EQ(r, 16);
136 EXPECT_EQ(buf, "0/0=-nan 1/0=inf");
137
138 r = cx_fprintf(&buf, PrintfFixture::write_func, "'%*c'", 5, 'x');
139 EXPECT_EQ(r, 7);
140 EXPECT_EQ(buf, "' x'");
141
142 r = cx_fprintf(&buf, PrintfFixture::write_func, "'%*c'", -5, 'x');
143 EXPECT_EQ(r, 7);
144 EXPECT_EQ(buf, "'x '");
145 }
146
147 TEST_F(PrintfFixture, BPrintfLargeString) {
148 CxBuffer buf;
149 cxBufferInit(&buf, nullptr, 64, &alloc, CX_BUFFER_AUTO_EXTEND);
150
151 auto aaa = std::string(512, 'a');
152 auto bbb = std::string(512, 'b');
153
154 auto r = cx_bprintf(&buf, "After %s comes %s.", aaa.data(), bbb.data());
155 EXPECT_EQ(r, 1038);
156 EXPECT_EQ(buf.size, 1038);
157 cxBufferPut(&buf, 0);
158 EXPECT_EQ(buf.space, std::string("After ") + aaa + " comes " + bbb + ".");
159
160 cxBufferDestroy(&buf);
161 }
162
163 TEST_F(PrintfFixture, BPrintfNoCap) {
164 CxBuffer buf;
165 char space[20];
166 memset(space, 'a', 20);
167 cxBufferInit(&buf, space, 16, &alloc, 0);
168
169 auto r = cx_bprintf(&buf, "Hello %s with more than %d chars.", "string", 16);
170 EXPECT_EQ(r, 16);
171 EXPECT_EQ(buf.size, 16);
172 EXPECT_EQ(0, memcmp(space, "Hello string witaaaa", 20));
173
174 cxBufferDestroy(&buf);
175 }
176
177 TEST_F(PrintfFixture, SPrintf) {
178 auto h = "Hello";
179
180 std::vector<char *> fl;
181 cxmutstr r;
182
183 r = cx_asprintf_a(&alloc, "teststring");
184 EXPECT_EQ(r.length, 10);
185 EXPECT_STREQ(r.ptr, "teststring");
186 fl.push_back(r.ptr);
187
188 r = cx_asprintf_a(&alloc, "[%10s]", h);
189 EXPECT_EQ(r.length, 12);
190 EXPECT_STREQ(r.ptr, "[ Hello]");
191 fl.push_back(r.ptr);
192
193 r = cx_asprintf_a(&alloc, "[%-10s]", h);
194 EXPECT_EQ(r.length, 12);
195 EXPECT_STREQ(r.ptr, "[Hello ]");
196 fl.push_back(r.ptr);
197
198 r = cx_asprintf_a(&alloc, "[%*s]", 10, h);
199 EXPECT_EQ(r.length, 12);
200 EXPECT_STREQ(r.ptr, "[ Hello]");
201 fl.push_back(r.ptr);
202
203 r = cx_asprintf_a(&alloc, "[%-10.*s]", 4, h);
204 EXPECT_EQ(r.length, 12);
205 EXPECT_STREQ(r.ptr, "[Hell ]");
206 fl.push_back(r.ptr);
207
208 r = cx_asprintf_a(&alloc, "[%-*.*s]", 10, 4, h);
209 EXPECT_EQ(r.length, 12);
210 EXPECT_STREQ(r.ptr, "[Hell ]");
211 fl.push_back(r.ptr);
212
213 r = cx_asprintf_a(&alloc, "%c", 'A');
214 EXPECT_EQ(r.length, 1);
215 EXPECT_STREQ(r.ptr, "A");
216 fl.push_back(r.ptr);
217
218 r = cx_asprintf_a(&alloc, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
219 EXPECT_EQ(r.length, 19);
220 EXPECT_STREQ(r.ptr, "1 2 000003 0 +4 -4");
221 fl.push_back(r.ptr);
222
223 r = cx_asprintf_a(&alloc, "%x %x %X %#x", 5, 10, 10, 6);
224 EXPECT_EQ(r.length, 9);
225 EXPECT_STREQ(r.ptr, "5 a A 0x6");
226 fl.push_back(r.ptr);
227
228 r = cx_asprintf_a(&alloc, "%o %#o %#o", 10, 10, 4);
229 EXPECT_EQ(r.length, 9);
230 EXPECT_STREQ(r.ptr, "12 012 04");
231 fl.push_back(r.ptr);
232
233 r = cx_asprintf_a(&alloc, "%f %.0f %.32f", 1.5, 1.5, 1.3);
234 EXPECT_EQ(r.length, 45);
235 EXPECT_STREQ(r.ptr, "1.500000 2 1.30000000000000004440892098500626");
236 fl.push_back(r.ptr);
237
238 r = cx_asprintf_a(&alloc, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
239 EXPECT_EQ(r.length, 16);
240 EXPECT_STREQ(r.ptr, "01.50 1.50 1.50");
241 fl.push_back(r.ptr);
242
243 r = cx_asprintf_a(&alloc, "%E %e", 1.5, 1.5);
244 EXPECT_EQ(r.length, 25);
245 EXPECT_STREQ(r.ptr, "1.500000E+00 1.500000e+00");
246 fl.push_back(r.ptr);
247
248 r = cx_asprintf_a(&alloc, "%a %A", 1.5, 1.5);
249 EXPECT_EQ(r.length, 17);
250 EXPECT_STREQ(r.ptr, "0x1.8p+0 0X1.8P+0");
251 fl.push_back(r.ptr);
252
253 r = cx_asprintf_a(&alloc, "0/0=%g 1/0=%g", 0.0 / 0.0, 1.0 / 0.0);
254 EXPECT_EQ(r.length, 16);
255 EXPECT_STREQ(r.ptr, "0/0=-nan 1/0=inf");
256 fl.push_back(r.ptr);
257
258 r = cx_asprintf_a(&alloc, "'%*c'", 5, 'x');
259 EXPECT_EQ(r.length, 7);
260 EXPECT_STREQ(r.ptr, "' x'");
261 fl.push_back(r.ptr);
262
263 r = cx_asprintf_a(&alloc, "'%*c'", -5, 'x');
264 EXPECT_EQ(r.length, 7);
265 EXPECT_STREQ(r.ptr, "'x '");
266 fl.push_back(r.ptr);
267
268 for (auto c: fl) {
269 auto s = cx_mutstrn(c, 0);
270 cx_strfree_a(&alloc, &s);
271 }
272 }
273
274 TEST_F(PrintfFixture, SPrintfLargeString) {
275 auto aaa = std::string(512, 'a');
276 auto bbb = std::string(512, 'b');
277
278 auto r = cx_asprintf_a(&alloc, "After %s comes %s.", aaa.data(), bbb.data());
279 EXPECT_EQ(r.length, 1038);
280 EXPECT_EQ(r.ptr, std::string("After ") + aaa + " comes " + bbb + ".");
281 EXPECT_EQ(r.ptr[1038], '\0');
282
283 cx_strfree_a(&alloc, &r);
284 }

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