2 * Copyright 2013 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <boost/next_prior.hpp>
18 #include <gflags/gflags.h>
19 #include <gtest/gtest.h>
21 #include "folly/Benchmark.h"
22 #include "folly/dynamic.h"
23 #include "folly/json.h"
27 TEST(Dynamic, ObjectBasics) {
28 dynamic obj = dynamic::object("a", false);
29 EXPECT_EQ(obj.at("a"), false);
30 EXPECT_EQ(obj.size(), 1);
31 obj.insert("a", true);
32 EXPECT_EQ(obj.size(), 1);
33 EXPECT_EQ(obj.at("a"), true);
34 obj.at("a") = nullptr;
35 EXPECT_EQ(obj.size(), 1);
36 EXPECT_TRUE(obj.at("a") == nullptr);
38 dynamic newObject = dynamic::object;
41 EXPECT_EQ(newObject.size(), 1);
42 newObject["a"] = true;
43 EXPECT_EQ(newObject.size(), 2);
45 EXPECT_EQ(*newObject.keys().begin(), newObject.items().begin()->first);
46 EXPECT_EQ(*newObject.values().begin(), newObject.items().begin()->second);
47 std::vector<std::pair<folly::fbstring, dynamic>> found;
48 found.push_back(std::make_pair(
49 newObject.keys().begin()->asString(),
50 *newObject.values().begin()));
52 EXPECT_EQ(*boost::next(newObject.keys().begin()),
53 boost::next(newObject.items().begin())->first);
54 EXPECT_EQ(*boost::next(newObject.values().begin()),
55 boost::next(newObject.items().begin())->second);
56 found.push_back(std::make_pair(
57 boost::next(newObject.keys().begin())->asString(),
58 *boost::next(newObject.values().begin())));
60 std::sort(found.begin(), found.end());
62 EXPECT_EQ("a", found[0].first);
63 EXPECT_TRUE(found[0].second.asBool());
65 EXPECT_EQ("z", found[1].first);
66 EXPECT_EQ(12, found[1].second.asInt());
68 dynamic obj2 = dynamic::object;
69 EXPECT_TRUE(obj2.isObject());
72 EXPECT_TRUE(d3 == nullptr);
74 EXPECT_TRUE(d3.isObject());
75 d3["foo"] = { 1, 2, 3 };
76 EXPECT_EQ(d3.count("foo"), 1);
79 EXPECT_EQ(d3.at(123), 321);
82 EXPECT_EQ(d3.at("123"), 42);
83 EXPECT_EQ(d3.at(123), 321);
85 // We don't allow objects as keys in objects.
86 EXPECT_ANY_THROW(newObject[d3] = 12);
89 TEST(Dynamic, ObjectErase) {
90 dynamic obj = dynamic::object("key1", "val")
92 EXPECT_EQ(obj.count("key1"), 1);
93 EXPECT_EQ(obj.count("key2"), 1);
94 EXPECT_EQ(obj.erase("key1"), 1);
95 EXPECT_EQ(obj.count("key1"), 0);
96 EXPECT_EQ(obj.count("key2"), 1);
97 EXPECT_EQ(obj.erase("key1"), 0);
99 EXPECT_EQ(obj.count("key1"), 1);
100 EXPECT_EQ(obj.count("key2"), 1);
101 auto it = obj.find("key2");
103 EXPECT_EQ(obj.count("key1"), 1);
104 EXPECT_EQ(obj.count("key2"), 0);
108 EXPECT_EQ(obj.size(), 3);
109 auto ret = obj.erase(boost::next(obj.items().begin()), obj.items().end());
110 EXPECT_TRUE(ret == obj.items().end());
111 EXPECT_EQ(obj.size(), 1);
112 obj.erase(obj.items().begin());
113 EXPECT_TRUE(obj.empty());
116 TEST(Dynamic, ArrayErase) {
117 dynamic arr = { 1, 2, 3, 4, 5, 6 };
119 EXPECT_THROW(arr.erase(1), std::exception);
120 EXPECT_EQ(arr.size(), 6);
121 EXPECT_EQ(arr[0], 1);
122 arr.erase(arr.begin());
123 EXPECT_EQ(arr.size(), 5);
125 arr.erase(boost::next(arr.begin()), boost::prior(arr.end()));
126 EXPECT_EQ(arr.size(), 2);
127 EXPECT_EQ(arr[0], 2);
128 EXPECT_EQ(arr[1], 6);
131 TEST(Dynamic, StringBasics) {
132 dynamic str = "hello world";
133 EXPECT_EQ(11, str.size());
134 EXPECT_FALSE(str.empty());
136 EXPECT_TRUE(str.empty());
139 TEST(Dynamic, ArrayBasics) {
140 dynamic array = { 1, 2, 3 };
141 EXPECT_EQ(array.size(), 3);
142 EXPECT_EQ(array.at(0), 1);
143 EXPECT_EQ(array.at(1), 2);
144 EXPECT_EQ(array.at(2), 3);
146 EXPECT_ANY_THROW(array.at(3));
148 array.push_back("foo");
149 EXPECT_EQ(array.size(), 4);
151 array.resize(12, "something");
152 EXPECT_EQ(array.size(), 12);
153 EXPECT_EQ(array[11], "something");
156 TEST(Dynamic, DeepCopy) {
157 dynamic val = { "foo", "bar", { "foo1", "bar1" } };
158 EXPECT_EQ(val.at(2).at(0), "foo1");
159 EXPECT_EQ(val.at(2).at(1), "bar1");
161 EXPECT_EQ(val2.at(2).at(0), "foo1");
162 EXPECT_EQ(val2.at(2).at(1), "bar1");
163 EXPECT_EQ(val.at(2).at(0), "foo1");
164 EXPECT_EQ(val.at(2).at(1), "bar1");
165 val2.at(2).at(0) = "foo3";
166 val2.at(2).at(1) = "bar3";
167 EXPECT_EQ(val.at(2).at(0), "foo1");
168 EXPECT_EQ(val.at(2).at(1), "bar1");
169 EXPECT_EQ(val2.at(2).at(0), "foo3");
170 EXPECT_EQ(val2.at(2).at(1), "bar3");
172 dynamic obj = dynamic::object("a", "b")
173 ("c", {"d", "e", "f"})
175 EXPECT_EQ(obj.at("a"), "b");
177 obj2.at("a") = {1, 2, 3};
178 EXPECT_EQ(obj.at("a"), "b");
179 dynamic expected = {1, 2, 3};
180 EXPECT_EQ(obj2.at("a"), expected);
183 TEST(Dynamic, Operator) {
186 dynamic d1 = dynamic::object;
187 dynamic d2 = dynamic::object;
189 } catch (std::exception const& e) {
196 dynamic sum = foo + bar;
197 EXPECT_EQ(sum, "asdbar");
201 dynamic math = some / nums;
205 TEST(Dynamic, Conversions) {
206 dynamic str = "12.0";
207 EXPECT_EQ(str.asDouble(), 12.0);
208 EXPECT_ANY_THROW(str.asInt());
209 EXPECT_ANY_THROW(str.asBool());
212 EXPECT_EQ(str.asInt(), 12);
213 EXPECT_EQ(str.asDouble(), 12.0);
215 EXPECT_EQ(str.asBool(), false);
216 EXPECT_EQ(str.asInt(), 0);
217 EXPECT_EQ(str.asDouble(), 0);
218 EXPECT_EQ(str.asString(), "0");
221 EXPECT_EQ("12", num.asString());
222 EXPECT_EQ(12.0, num.asDouble());
225 TEST(Dynamic, FormattedIO) {
226 std::ostringstream out;
227 dynamic doubl = 123.33;
229 out << "0x" << std::hex << ++dint << ' ' << std::setprecision(1)
231 EXPECT_EQ(out.str(), "0xd 1e+02\n");
234 dynamic arrr = { 1, 2, 3 };
236 EXPECT_EQ(out.str(), "[1,2,3]");
239 dynamic objy = dynamic::object("a", 12);
241 EXPECT_EQ(out.str(), R"({"a":12})");
244 dynamic objy2 = { objy, dynamic::object(12, "str"),
245 dynamic::object(true, false) };
247 EXPECT_EQ(out.str(), R"([{"a":12},{12:"str"},{true:false}])");
250 TEST(Dynamic, GetSetDefaultTest) {
251 dynamic d1 = dynamic::object("foo", "bar");
252 EXPECT_EQ(d1.getDefault("foo", "baz"), "bar");
253 EXPECT_EQ(d1.getDefault("quux", "baz"), "baz");
255 dynamic d2 = dynamic::object("foo", "bar");
256 EXPECT_EQ(d2.setDefault("foo", "quux"), "bar");
257 d2.setDefault("bar", dynamic({})).push_back(42);
258 EXPECT_EQ(d2["bar"][0], 42);
260 dynamic d3 = dynamic::object, empty = dynamic::object;
261 EXPECT_EQ(d3.getDefault("foo"), empty);
262 d3.setDefault("foo")["bar"] = "baz";
263 EXPECT_EQ(d3["foo"]["bar"], "baz");
265 // we do not allow getDefault/setDefault on arrays
266 dynamic d4 = dynamic({});
267 EXPECT_ANY_THROW(d4.getDefault("foo", "bar"));
268 EXPECT_ANY_THROW(d4.setDefault("foo", "bar"));
271 TEST(Dynamic, ObjectForwarding) {
272 // Make sure dynamic::object can be constructed the same way as any
274 dynamic d = dynamic::object("asd", {"foo", "bar"});
275 dynamic d2 = dynamic::object("key2", {"value", "words"})
279 TEST(Dynamic, GetPtr) {
280 dynamic array = { 1, 2, "three" };
281 EXPECT_TRUE(array.get_ptr(0));
282 EXPECT_FALSE(array.get_ptr(3));
283 EXPECT_EQ(dynamic("three"), *array.get_ptr(2));
284 const dynamic& carray = array;
285 EXPECT_EQ(dynamic("three"), *carray.get_ptr(2));
287 dynamic object = dynamic::object("one", 1)("two", 2);
288 EXPECT_TRUE(object.get_ptr("one"));
289 EXPECT_FALSE(object.get_ptr("three"));
290 EXPECT_EQ(dynamic(2), *object.get_ptr("two"));
291 *object.get_ptr("one") = 11;
292 EXPECT_EQ(dynamic(11), *object.get_ptr("one"));
293 const dynamic& cobject = object;
294 EXPECT_EQ(dynamic(2), *cobject.get_ptr("two"));
297 int main(int argc, char** argv) {
298 testing::InitGoogleTest(&argc, argv);
299 google::ParseCommandLineFlags(&argc, &argv, true);
300 if (FLAGS_benchmark) {
301 folly::runBenchmarks();
303 return RUN_ALL_TESTS();