2 * Copyright 2016 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 <folly/dynamic.h>
19 #include <folly/gen/Base.h>
20 #include <folly/json.h>
22 #include <gflags/gflags.h>
23 #include <gtest/gtest.h>
28 using folly::TypeError;
30 TEST(Dynamic, ArrayGenerator) {
31 // Make sure arrays can be used with folly::gen.
32 using namespace folly::gen;
33 dynamic arr { 1, 2, 3, 4 };
34 EXPECT_EQ(from(arr) | take(3) | member(&dynamic::asInt) | sum, 6);
37 TEST(Dynamic, StringPtrs) {
40 dynamic nullStr = folly::parseJson("\"foo\\u0000bar\"");
42 EXPECT_EQ(0, strcmp(str.c_str(), "12.0"));
43 EXPECT_EQ(0, strncmp(str.data(), "12.0", str.asString().length()));
44 EXPECT_EQ(str.stringPiece(), "12.0");
46 EXPECT_THROW(num.c_str(), TypeError);
47 EXPECT_THROW(num.data(), TypeError);
48 EXPECT_THROW(num.stringPiece(), TypeError);
50 EXPECT_EQ(nullStr.stringPiece(), folly::StringPiece("foo\0bar", 7));
52 nullStr.getString()[3] = '|';
53 EXPECT_EQ(nullStr.stringPiece(), "foo|bar");
56 TEST(Dynamic, Getters) {
57 dynamic dStr = folly::parseJson("\"foo\\u0000bar\"");
59 dynamic dDouble = 0.5;
62 EXPECT_EQ(dStr.getString(), std::string("foo\0bar", 7));
63 EXPECT_EQ(dInt.getInt(), 1);
64 EXPECT_EQ(dDouble.getDouble(), 0.5);
65 EXPECT_EQ(dBool.getBool(), true);
67 dStr.getString()[3] = '|';
68 EXPECT_EQ(dStr.getString(), "foo|bar");
71 EXPECT_EQ(dInt.getInt(), 2);
73 dDouble.getDouble() = 0.7;
74 EXPECT_EQ(dDouble.getDouble(), 0.7);
76 dBool.getBool() = false;
77 EXPECT_EQ(dBool.getBool(), false);
79 EXPECT_THROW(dStr.getInt(), TypeError);
80 EXPECT_THROW(dStr.getDouble(), TypeError);
81 EXPECT_THROW(dStr.getBool(), TypeError);
83 EXPECT_THROW(dInt.getString(), TypeError);
84 EXPECT_THROW(dInt.getDouble(), TypeError);
85 EXPECT_THROW(dInt.getBool(), TypeError);
87 EXPECT_THROW(dDouble.getString(), TypeError);
88 EXPECT_THROW(dDouble.getInt(), TypeError);
89 EXPECT_THROW(dDouble.getBool(), TypeError);
91 EXPECT_THROW(dBool.getString(), TypeError);
92 EXPECT_THROW(dBool.getInt(), TypeError);
93 EXPECT_THROW(dBool.getDouble(), TypeError);
96 TEST(Dynamic, FormattedIO) {
97 std::ostringstream out;
98 dynamic doubl = 123.33;
100 out << "0x" << std::hex << ++dint << ' ' << std::setprecision(1)
102 EXPECT_EQ(out.str(), "0xd 1e+02\n");
105 dynamic arrr = { 1, 2, 3 };
107 EXPECT_EQ(out.str(), "[1,2,3]");
110 dynamic objy = dynamic::object("a", 12);
112 EXPECT_EQ(out.str(), R"({"a":12})");
115 dynamic objy2 = { objy, dynamic::object(12, "str"),
116 dynamic::object(true, false) };
118 EXPECT_EQ(out.str(), R"([{"a":12},{12:"str"},{true:false}])");
121 int main(int argc, char** argv) {
122 testing::InitGoogleTest(&argc, argv);
123 gflags::ParseCommandLineFlags(&argc, &argv, true);
124 return RUN_ALL_TESTS();