Bitcoin Core  24.99.0
P2P Digital Currency
object.cpp
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1 // Copyright (c) 2014 BitPay Inc.
2 // Copyright (c) 2014-2022 The Bitcoin Core developers
3 // Distributed under the MIT software license, see the accompanying
4 // file COPYING or https://opensource.org/licenses/mit-license.php.
5 
6 #include <univalue.h>
7 
8 #include <cassert>
9 #include <cstdint>
10 #include <map>
11 #include <memory>
12 #include <stdexcept>
13 #include <string>
14 #include <string_view>
15 #include <vector>
16 
17 #define BOOST_CHECK(expr) assert(expr)
18 #define BOOST_CHECK_EQUAL(v1, v2) assert((v1) == (v2))
19 #define BOOST_CHECK_THROW(stmt, excMatch) { \
20  try { \
21  (stmt); \
22  assert(0 && "No exception caught"); \
23  } catch (excMatch & e) { \
24  } catch (...) { \
25  assert(0 && "Wrong exception caught"); \
26  } \
27  }
28 #define BOOST_CHECK_NO_THROW(stmt) { \
29  try { \
30  (stmt); \
31  } catch (...) { \
32  assert(0); \
33  } \
34  }
35 
36 void univalue_constructor()
37 {
38  UniValue v1;
39  BOOST_CHECK(v1.isNull());
40 
41  UniValue v2(UniValue::VSTR);
42  BOOST_CHECK(v2.isStr());
43 
44  UniValue v3(UniValue::VSTR, "foo");
45  BOOST_CHECK(v3.isStr());
46  BOOST_CHECK_EQUAL(v3.getValStr(), "foo");
47 
48  UniValue numTest;
49  numTest.setNumStr("82");
50  BOOST_CHECK(numTest.isNum());
51  BOOST_CHECK_EQUAL(numTest.getValStr(), "82");
52 
53  uint64_t vu64 = 82;
54  UniValue v4(vu64);
55  BOOST_CHECK(v4.isNum());
56  BOOST_CHECK_EQUAL(v4.getValStr(), "82");
57 
58  int64_t vi64 = -82;
59  UniValue v5(vi64);
60  BOOST_CHECK(v5.isNum());
61  BOOST_CHECK_EQUAL(v5.getValStr(), "-82");
62 
63  int vi = -688;
64  UniValue v6(vi);
65  BOOST_CHECK(v6.isNum());
66  BOOST_CHECK_EQUAL(v6.getValStr(), "-688");
67 
68  double vd = -7.21;
69  UniValue v7(vd);
70  BOOST_CHECK(v7.isNum());
71  BOOST_CHECK_EQUAL(v7.getValStr(), "-7.21");
72 
73  std::string vs("yawn");
74  UniValue v8(vs);
75  BOOST_CHECK(v8.isStr());
76  BOOST_CHECK_EQUAL(v8.getValStr(), "yawn");
77 
78  const char *vcs = "zappa";
79  UniValue v9(vcs);
80  BOOST_CHECK(v9.isStr());
81  BOOST_CHECK_EQUAL(v9.getValStr(), "zappa");
82 }
83 
84 void univalue_push_throw()
85 {
86  UniValue j;
87  BOOST_CHECK_THROW(j.push_back(1), std::runtime_error);
88  BOOST_CHECK_THROW(j.push_backV({1}), std::runtime_error);
89  BOOST_CHECK_THROW(j.__pushKV("k", 1), std::runtime_error);
90  BOOST_CHECK_THROW(j.pushKV("k", 1), std::runtime_error);
91  BOOST_CHECK_THROW(j.pushKVs({}), std::runtime_error);
92 }
93 
94 void univalue_typecheck()
95 {
96  UniValue v1;
97  v1.setNumStr("1");
98  BOOST_CHECK(v1.isNum());
99  BOOST_CHECK_THROW(v1.get_bool(), std::runtime_error);
100 
101  {
102  UniValue v_negative;
103  v_negative.setNumStr("-1");
104  BOOST_CHECK_THROW(v_negative.getInt<uint8_t>(), std::runtime_error);
105  BOOST_CHECK_EQUAL(v_negative.getInt<int8_t>(), -1);
106  }
107 
108  UniValue v2;
109  v2.setBool(true);
110  BOOST_CHECK_EQUAL(v2.get_bool(), true);
111  BOOST_CHECK_THROW(v2.getInt<int>(), std::runtime_error);
112 
113  UniValue v3;
114  v3.setNumStr("32482348723847471234");
115  BOOST_CHECK_THROW(v3.getInt<int64_t>(), std::runtime_error);
116  v3.setNumStr("1000");
117  BOOST_CHECK_EQUAL(v3.getInt<int64_t>(), 1000);
118 
119  UniValue v4;
120  v4.setNumStr("2147483648");
121  BOOST_CHECK_EQUAL(v4.getInt<int64_t>(), 2147483648);
122  BOOST_CHECK_THROW(v4.getInt<int>(), std::runtime_error);
123  v4.setNumStr("1000");
124  BOOST_CHECK_EQUAL(v4.getInt<int>(), 1000);
125  BOOST_CHECK_THROW(v4.get_str(), std::runtime_error);
126  BOOST_CHECK_EQUAL(v4.get_real(), 1000);
127  BOOST_CHECK_THROW(v4.get_array(), std::runtime_error);
128  BOOST_CHECK_THROW(v4.getKeys(), std::runtime_error);
129  BOOST_CHECK_THROW(v4.getValues(), std::runtime_error);
130  BOOST_CHECK_THROW(v4.get_obj(), std::runtime_error);
131 
132  UniValue v5;
133  BOOST_CHECK(v5.read("[true, 10]"));
134  BOOST_CHECK_NO_THROW(v5.get_array());
135  std::vector<UniValue> vals = v5.getValues();
136  BOOST_CHECK_THROW(vals[0].getInt<int>(), std::runtime_error);
137  BOOST_CHECK_EQUAL(vals[0].get_bool(), true);
138 
139  BOOST_CHECK_EQUAL(vals[1].getInt<int>(), 10);
140  BOOST_CHECK_THROW(vals[1].get_bool(), std::runtime_error);
141 }
142 
143 void univalue_set()
144 {
145  UniValue v(UniValue::VSTR, "foo");
146  v.clear();
147  BOOST_CHECK(v.isNull());
148  BOOST_CHECK_EQUAL(v.getValStr(), "");
149 
150  v.setObject();
151  BOOST_CHECK(v.isObject());
152  BOOST_CHECK_EQUAL(v.size(), 0);
153  BOOST_CHECK_EQUAL(v.getType(), UniValue::VOBJ);
154  BOOST_CHECK(v.empty());
155 
156  v.setArray();
157  BOOST_CHECK(v.isArray());
158  BOOST_CHECK_EQUAL(v.size(), 0);
159 
160  v.setStr("zum");
161  BOOST_CHECK(v.isStr());
162  BOOST_CHECK_EQUAL(v.getValStr(), "zum");
163 
164  {
165  std::string_view sv{"ab\0c", 4};
166  UniValue j{sv};
167  BOOST_CHECK(j.isStr());
168  BOOST_CHECK_EQUAL(j.getValStr(), sv);
169  BOOST_CHECK_EQUAL(j.write(), "\"ab\\u0000c\"");
170  }
171 
172  v.setFloat(-1.01);
173  BOOST_CHECK(v.isNum());
174  BOOST_CHECK_EQUAL(v.getValStr(), "-1.01");
175 
176  v.setInt(int{1023});
177  BOOST_CHECK(v.isNum());
178  BOOST_CHECK_EQUAL(v.getValStr(), "1023");
179 
180  v.setInt(int64_t{-1023LL});
181  BOOST_CHECK(v.isNum());
182  BOOST_CHECK_EQUAL(v.getValStr(), "-1023");
183 
184  v.setInt(uint64_t{1023ULL});
185  BOOST_CHECK(v.isNum());
186  BOOST_CHECK_EQUAL(v.getValStr(), "1023");
187 
188  v.setNumStr("-688");
189  BOOST_CHECK(v.isNum());
190  BOOST_CHECK_EQUAL(v.getValStr(), "-688");
191 
192  v.setBool(false);
193  BOOST_CHECK_EQUAL(v.isBool(), true);
194  BOOST_CHECK_EQUAL(v.isTrue(), false);
195  BOOST_CHECK_EQUAL(v.isFalse(), true);
196  BOOST_CHECK_EQUAL(v.get_bool(), false);
197 
198  v.setBool(true);
199  BOOST_CHECK_EQUAL(v.isBool(), true);
200  BOOST_CHECK_EQUAL(v.isTrue(), true);
201  BOOST_CHECK_EQUAL(v.isFalse(), false);
202  BOOST_CHECK_EQUAL(v.get_bool(), true);
203 
204  BOOST_CHECK_THROW(v.setNumStr("zombocom"), std::runtime_error);
205 
206  v.setNull();
207  BOOST_CHECK(v.isNull());
208 }
209 
210 void univalue_array()
211 {
212  UniValue arr(UniValue::VARR);
213 
214  UniValue v((int64_t)1023LL);
215  arr.push_back(v);
216 
217  std::string vStr("zippy");
218  arr.push_back(vStr);
219 
220  const char *s = "pippy";
221  arr.push_back(s);
222 
223  std::vector<UniValue> vec;
224  v.setStr("boing");
225  vec.push_back(v);
226 
227  v.setStr("going");
228  vec.push_back(v);
229 
230  arr.push_backV(vec);
231 
232  arr.push_back(uint64_t{400ULL});
233  arr.push_back(int64_t{-400LL});
234  arr.push_back(int{-401});
235  arr.push_back(-40.1);
236  arr.push_back(true);
237 
238  BOOST_CHECK_EQUAL(arr.empty(), false);
239  BOOST_CHECK_EQUAL(arr.size(), 10);
240 
241  BOOST_CHECK_EQUAL(arr[0].getValStr(), "1023");
242  BOOST_CHECK_EQUAL(arr[0].getType(), UniValue::VNUM);
243  BOOST_CHECK_EQUAL(arr[1].getValStr(), "zippy");
244  BOOST_CHECK_EQUAL(arr[1].getType(), UniValue::VSTR);
245  BOOST_CHECK_EQUAL(arr[2].getValStr(), "pippy");
246  BOOST_CHECK_EQUAL(arr[2].getType(), UniValue::VSTR);
247  BOOST_CHECK_EQUAL(arr[3].getValStr(), "boing");
248  BOOST_CHECK_EQUAL(arr[3].getType(), UniValue::VSTR);
249  BOOST_CHECK_EQUAL(arr[4].getValStr(), "going");
250  BOOST_CHECK_EQUAL(arr[4].getType(), UniValue::VSTR);
251  BOOST_CHECK_EQUAL(arr[5].getValStr(), "400");
252  BOOST_CHECK_EQUAL(arr[5].getType(), UniValue::VNUM);
253  BOOST_CHECK_EQUAL(arr[6].getValStr(), "-400");
254  BOOST_CHECK_EQUAL(arr[6].getType(), UniValue::VNUM);
255  BOOST_CHECK_EQUAL(arr[7].getValStr(), "-401");
256  BOOST_CHECK_EQUAL(arr[7].getType(), UniValue::VNUM);
257  BOOST_CHECK_EQUAL(arr[8].getValStr(), "-40.1");
258  BOOST_CHECK_EQUAL(arr[8].getType(), UniValue::VNUM);
259  BOOST_CHECK_EQUAL(arr[9].getValStr(), "1");
260  BOOST_CHECK_EQUAL(arr[9].getType(), UniValue::VBOOL);
261 
262  BOOST_CHECK_EQUAL(arr[999].getValStr(), "");
263 
264  arr.clear();
265  BOOST_CHECK(arr.empty());
266  BOOST_CHECK_EQUAL(arr.size(), 0);
267 }
268 
269 void univalue_object()
270 {
271  UniValue obj(UniValue::VOBJ);
272  std::string strKey, strVal;
273  UniValue v;
274 
275  strKey = "age";
276  v.setInt(100);
277  obj.pushKV(strKey, v);
278 
279  strKey = "first";
280  strVal = "John";
281  obj.pushKV(strKey, strVal);
282 
283  strKey = "last";
284  const char* cVal = "Smith";
285  obj.pushKV(strKey, cVal);
286 
287  strKey = "distance";
288  obj.pushKV(strKey, int64_t{25});
289 
290  strKey = "time";
291  obj.pushKV(strKey, uint64_t{3600});
292 
293  strKey = "calories";
294  obj.pushKV(strKey, int{12});
295 
296  strKey = "temperature";
297  obj.pushKV(strKey, double{90.012});
298 
299  strKey = "moon";
300  obj.pushKV(strKey, true);
301 
302  strKey = "spoon";
303  obj.pushKV(strKey, false);
304 
305  UniValue obj2(UniValue::VOBJ);
306  obj2.pushKV("cat1", 9000);
307  obj2.pushKV("cat2", 12345);
308 
309  obj.pushKVs(obj2);
310 
311  BOOST_CHECK_EQUAL(obj.empty(), false);
312  BOOST_CHECK_EQUAL(obj.size(), 11);
313 
314  BOOST_CHECK_EQUAL(obj["age"].getValStr(), "100");
315  BOOST_CHECK_EQUAL(obj["first"].getValStr(), "John");
316  BOOST_CHECK_EQUAL(obj["last"].getValStr(), "Smith");
317  BOOST_CHECK_EQUAL(obj["distance"].getValStr(), "25");
318  BOOST_CHECK_EQUAL(obj["time"].getValStr(), "3600");
319  BOOST_CHECK_EQUAL(obj["calories"].getValStr(), "12");
320  BOOST_CHECK_EQUAL(obj["temperature"].getValStr(), "90.012");
321  BOOST_CHECK_EQUAL(obj["moon"].getValStr(), "1");
322  BOOST_CHECK_EQUAL(obj["spoon"].getValStr(), "");
323  BOOST_CHECK_EQUAL(obj["cat1"].getValStr(), "9000");
324  BOOST_CHECK_EQUAL(obj["cat2"].getValStr(), "12345");
325 
326  BOOST_CHECK_EQUAL(obj["nyuknyuknyuk"].getValStr(), "");
327 
328  BOOST_CHECK(obj.exists("age"));
329  BOOST_CHECK(obj.exists("first"));
330  BOOST_CHECK(obj.exists("last"));
331  BOOST_CHECK(obj.exists("distance"));
332  BOOST_CHECK(obj.exists("time"));
333  BOOST_CHECK(obj.exists("calories"));
334  BOOST_CHECK(obj.exists("temperature"));
335  BOOST_CHECK(obj.exists("moon"));
336  BOOST_CHECK(obj.exists("spoon"));
337  BOOST_CHECK(obj.exists("cat1"));
338  BOOST_CHECK(obj.exists("cat2"));
339 
340  BOOST_CHECK(!obj.exists("nyuknyuknyuk"));
341 
342  std::map<std::string, UniValue::VType> objTypes;
343  objTypes["age"] = UniValue::VNUM;
344  objTypes["first"] = UniValue::VSTR;
345  objTypes["last"] = UniValue::VSTR;
346  objTypes["distance"] = UniValue::VNUM;
347  objTypes["time"] = UniValue::VNUM;
348  objTypes["calories"] = UniValue::VNUM;
349  objTypes["temperature"] = UniValue::VNUM;
350  objTypes["moon"] = UniValue::VBOOL;
351  objTypes["spoon"] = UniValue::VBOOL;
352  objTypes["cat1"] = UniValue::VNUM;
353  objTypes["cat2"] = UniValue::VNUM;
354  BOOST_CHECK(obj.checkObject(objTypes));
355 
356  objTypes["cat2"] = UniValue::VSTR;
357  BOOST_CHECK(!obj.checkObject(objTypes));
358 
359  obj.clear();
360  BOOST_CHECK(obj.empty());
361  BOOST_CHECK_EQUAL(obj.size(), 0);
362  BOOST_CHECK_EQUAL(obj.getType(), UniValue::VNULL);
363 
364  obj.setObject();
365  UniValue uv;
366  uv.setInt(42);
367  obj.__pushKV("age", uv);
368  BOOST_CHECK_EQUAL(obj.size(), 1);
369  BOOST_CHECK_EQUAL(obj["age"].getValStr(), "42");
370 
371  uv.setInt(43);
372  obj.pushKV("age", uv);
373  BOOST_CHECK_EQUAL(obj.size(), 1);
374  BOOST_CHECK_EQUAL(obj["age"].getValStr(), "43");
375 
376  obj.pushKV("name", "foo bar");
377 
378  std::map<std::string,UniValue> kv;
379  obj.getObjMap(kv);
380  BOOST_CHECK_EQUAL(kv["age"].getValStr(), "43");
381  BOOST_CHECK_EQUAL(kv["name"].getValStr(), "foo bar");
382 
383 }
384 
385 static const char *json1 =
386 "[1.10000000,{\"key1\":\"str\\u0000\",\"key2\":800,\"key3\":{\"name\":\"martian http://test.com\"}}]";
387 
388 void univalue_readwrite()
389 {
390  UniValue v;
391  BOOST_CHECK(v.read(json1));
392 
393  std::string strJson1(json1);
394  BOOST_CHECK(v.read(strJson1));
395 
396  BOOST_CHECK(v.isArray());
397  BOOST_CHECK_EQUAL(v.size(), 2);
398 
399  BOOST_CHECK_EQUAL(v[0].getValStr(), "1.10000000");
400 
401  UniValue obj = v[1];
402  BOOST_CHECK(obj.isObject());
403  BOOST_CHECK_EQUAL(obj.size(), 3);
404 
405  BOOST_CHECK(obj["key1"].isStr());
406  std::string correctValue("str");
407  correctValue.push_back('\0');
408  BOOST_CHECK_EQUAL(obj["key1"].getValStr(), correctValue);
409  BOOST_CHECK(obj["key2"].isNum());
410  BOOST_CHECK_EQUAL(obj["key2"].getValStr(), "800");
411  BOOST_CHECK(obj["key3"].isObject());
412 
413  BOOST_CHECK_EQUAL(strJson1, v.write());
414 
415  /* Check for (correctly reporting) a parsing error if the initial
416  JSON construct is followed by more stuff. Note that whitespace
417  is, of course, exempt. */
418 
419  BOOST_CHECK(v.read(" {}\n "));
420  BOOST_CHECK(v.isObject());
421  BOOST_CHECK(v.read(" []\n "));
422  BOOST_CHECK(v.isArray());
423 
424  BOOST_CHECK(!v.read("@{}"));
425  BOOST_CHECK(!v.read("{} garbage"));
426  BOOST_CHECK(!v.read("[]{}"));
427  BOOST_CHECK(!v.read("{}[]"));
428  BOOST_CHECK(!v.read("{} 42"));
429 }
430 
431 int main(int argc, char* argv[])
432 {
433  univalue_constructor();
434  univalue_push_throw();
435  univalue_typecheck();
436  univalue_set();
437  univalue_array();
438  univalue_object();
439  univalue_readwrite();
440  return 0;
441 }
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