/*
- * Copyright 2015 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <folly/dynamic.h>
+#include <folly/portability/GTest.h>
+
#include <boost/next_prior.hpp>
-#include <gflags/gflags.h>
-#include <gtest/gtest.h>
using folly::dynamic;
+#ifndef FOLLY_SANITIZE_ADDRESS
// This test runs without any external dependencies, including json.
// This means that if there's a test failure, there's no way to print
// a useful runtime representation of the folly::dynamic. We will
void dynamic::print_as_pseudo_json(std::ostream& out) const {
out << "<folly::dynamic object of type " << type_ << ">";
}
+#endif
+
+TEST(Dynamic, Default) {
+ dynamic obj;
+ EXPECT_TRUE(obj.isNull());
+}
TEST(Dynamic, ObjectBasics) {
dynamic obj = dynamic::object("a", false);
EXPECT_EQ(*newObject.keys().begin(), newObject.items().begin()->first);
EXPECT_EQ(*newObject.values().begin(), newObject.items().begin()->second);
- std::vector<std::pair<folly::fbstring, dynamic>> found;
- found.push_back(std::make_pair(
- newObject.keys().begin()->asString(),
- *newObject.values().begin()));
+ std::vector<std::pair<std::string, dynamic>> found;
+ found.emplace_back(newObject.keys().begin()->asString(),
+ *newObject.values().begin());
EXPECT_EQ(*boost::next(newObject.keys().begin()),
boost::next(newObject.items().begin())->first);
EXPECT_EQ(*boost::next(newObject.values().begin()),
boost::next(newObject.items().begin())->second);
- found.push_back(std::make_pair(
- boost::next(newObject.keys().begin())->asString(),
- *boost::next(newObject.values().begin())));
+ found.emplace_back(boost::next(newObject.keys().begin())->asString(),
+ *boost::next(newObject.values().begin()));
std::sort(found.begin(), found.end());
EXPECT_TRUE(d3 == nullptr);
d3 = dynamic::object;
EXPECT_TRUE(d3.isObject());
- d3["foo"] = { 1, 2, 3 };
+ d3["foo"] = dynamic::array(1, 2, 3);
EXPECT_EQ(d3.count("foo"), 1);
d3[123] = 321;
// We don't allow objects as keys in objects.
EXPECT_ANY_THROW(newObject[d3] = 12);
+
+ // Merge two objects
+ dynamic origMergeObj1 = folly::dynamic::object();
+ dynamic mergeObj1 = origMergeObj1 = folly::dynamic::object
+ ("key1", "value1")
+ ("key2", "value2");
+ dynamic mergeObj2 = folly::dynamic::object
+ ("key2", "value3")
+ ("key3", "value4");
+
+ // Merged object where we prefer the values in mergeObj2
+ dynamic combinedPreferObj2 = folly::dynamic::object
+ ("key1", "value1")
+ ("key2", "value3")
+ ("key3", "value4");
+
+ // Merged object where we prefer the values in mergeObj1
+ dynamic combinedPreferObj1 = folly::dynamic::object
+ ("key1", "value1")
+ ("key2", "value2")
+ ("key3", "value4");
+
+ auto newMergeObj = dynamic::merge(mergeObj1, mergeObj2);
+ EXPECT_EQ(newMergeObj, combinedPreferObj2);
+ EXPECT_EQ(mergeObj1, origMergeObj1); // mergeObj1 should be unchanged
+
+ mergeObj1.update(mergeObj2);
+ EXPECT_EQ(mergeObj1, combinedPreferObj2);
+ dynamic arr = dynamic::array(1, 2, 3, 4, 5, 6);
+ EXPECT_THROW(mergeObj1.update(arr), std::exception);
+
+ mergeObj1 = origMergeObj1; // reset it
+ mergeObj1.update_missing(mergeObj2);
+ EXPECT_EQ(mergeObj1, combinedPreferObj1);
}
TEST(Dynamic, ObjectErase) {
}
TEST(Dynamic, ArrayErase) {
- dynamic arr = { 1, 2, 3, 4, 5, 6 };
+ dynamic arr = dynamic::array(1, 2, 3, 4, 5, 6);
EXPECT_THROW(arr.erase(1), std::exception);
EXPECT_EQ(arr.size(), 6);
}
TEST(Dynamic, ArrayBasics) {
- dynamic array = { 1, 2, 3 };
+ dynamic array = dynamic::array(1, 2, 3);
EXPECT_EQ(array.size(), 3);
EXPECT_EQ(array.at(0), 1);
EXPECT_EQ(array.at(1), 2);
EXPECT_EQ(array.at(2), 3);
+ EXPECT_ANY_THROW(array.at(-1));
EXPECT_ANY_THROW(array.at(3));
array.push_back("foo");
}
TEST(Dynamic, DeepCopy) {
- dynamic val = { "foo", "bar", { "foo1", "bar1" } };
+ dynamic val = dynamic::array("foo", "bar", dynamic::array("foo1", "bar1"));
EXPECT_EQ(val.at(2).at(0), "foo1");
EXPECT_EQ(val.at(2).at(1), "bar1");
dynamic val2 = val;
EXPECT_EQ(val2.at(2).at(0), "foo3");
EXPECT_EQ(val2.at(2).at(1), "bar3");
- dynamic obj = dynamic::object("a", "b")
- ("c", {"d", "e", "f"})
- ;
+ dynamic obj =
+ dynamic::object("a", "b")
+ ("c", dynamic::array("d", "e", "f"));
EXPECT_EQ(obj.at("a"), "b");
dynamic obj2 = obj;
- obj2.at("a") = {1, 2, 3};
+ obj2.at("a") = dynamic::array(1, 2, 3);
EXPECT_EQ(obj.at("a"), "b");
- dynamic expected = {1, 2, 3};
+ dynamic expected = dynamic::array(1, 2, 3);
EXPECT_EQ(obj2.at("a"), expected);
}
+TEST(Dynamic, ArrayReassignment) {
+ dynamic o = 1;
+ dynamic d1 = dynamic::array(o);
+ EXPECT_EQ(dynamic::ARRAY, d1.type());
+
+ d1 = dynamic::array(o);
+ EXPECT_EQ(dynamic::ARRAY, d1.type());
+}
+
TEST(Dynamic, Operator) {
bool caught = false;
try {
dynamic d1 = dynamic::object;
dynamic d2 = dynamic::object;
auto foo = d1 < d2;
- } catch (std::exception const& e) {
+ LOG(ERROR) << "operator < returned "
+ << static_cast<int>(foo)
+ << " instead of throwing";
+ } catch (std::exception const&) {
caught = true;
}
EXPECT_TRUE(caught);
dynamic d2 = dynamic::object("foo", "bar");
EXPECT_EQ(d2.setDefault("foo", "quux"), "bar");
- d2.setDefault("bar", dynamic({})).push_back(42);
+ d2.setDefault("bar", dynamic::array).push_back(42);
EXPECT_EQ(d2["bar"][0], 42);
dynamic d3 = dynamic::object, empty = dynamic::object;
EXPECT_EQ(d3["foo"]["bar"], "baz");
// we do not allow getDefault/setDefault on arrays
- dynamic d4 = dynamic({});
+ dynamic d4 = dynamic::array;
EXPECT_ANY_THROW(d4.getDefault("foo", "bar"));
EXPECT_ANY_THROW(d4.setDefault("foo", "bar"));
}
TEST(Dynamic, ObjectForwarding) {
// Make sure dynamic::object can be constructed the same way as any
// dynamic.
- dynamic d = dynamic::object("asd", {"foo", "bar"});
- dynamic d2 = dynamic::object("key2", {"value", "words"})
+ dynamic d = dynamic::object("asd", dynamic::array("foo", "bar"));
+ dynamic d2 = dynamic::object("key2", dynamic::array("value", "words"))
("key", "value1");
}
TEST(Dynamic, GetPtr) {
- dynamic array = { 1, 2, "three" };
+ dynamic array = dynamic::array(1, 2, "three");
EXPECT_TRUE(array.get_ptr(0));
+ EXPECT_FALSE(array.get_ptr(-1));
EXPECT_FALSE(array.get_ptr(3));
EXPECT_EQ(dynamic("three"), *array.get_ptr(2));
const dynamic& carray = array;
}
TEST(Dynamic, Assignment) {
- const dynamic ds[] = { { 1, 2, 3 },
+ const dynamic ds[] = { dynamic::array(1, 2, 3),
dynamic::object("a", true),
24,
26.5,
true,
"hello", };
- const dynamic dd[] = { { 5, 6 },
+ const dynamic dd[] = { dynamic::array(5, 6),
dynamic::object("t", "T")(1, 7),
9000,
3.14159,
}
}
-int main(int argc, char** argv) {
- testing::InitGoogleTest(&argc, argv);
- gflags::ParseCommandLineFlags(&argc, &argv, true);
- return RUN_ALL_TESTS();
+std::string make_long_string() {
+ return std::string(100, 'a');
+}
+
+TEST(Dynamic, GetDefault) {
+ const auto s = make_long_string();
+ dynamic ds(s);
+ dynamic tmp(s);
+ dynamic d1 = dynamic::object("key1", s);
+ dynamic d2 = dynamic::object("key2", s);
+ dynamic d3 = dynamic::object("key3", s);
+ dynamic d4 = dynamic::object("key4", s);
+ // lvalue - lvalue
+ dynamic ayy("ayy");
+ EXPECT_EQ(ds, d1.getDefault("key1", ayy));
+ EXPECT_EQ(ds, d1.getDefault("key1", ayy));
+ EXPECT_EQ(ds, d1.getDefault("not-a-key", tmp));
+ EXPECT_EQ(ds, tmp);
+ // lvalue - rvalue
+ EXPECT_EQ(ds, d1.getDefault("key1", "ayy"));
+ EXPECT_EQ(ds, d1.getDefault("key1", "ayy"));
+ EXPECT_EQ(ds, d1.getDefault("not-a-key", std::move(tmp)));
+ EXPECT_NE(ds, tmp);
+ // rvalue - lvalue
+ tmp = s;
+ EXPECT_EQ(ds, std::move(d1).getDefault("key1", ayy));
+ EXPECT_NE(ds, d1["key1"]);
+ EXPECT_EQ(ds, std::move(d2).getDefault("not-a-key", tmp));
+ EXPECT_EQ(dynamic(dynamic::object("key2", s)), d2);
+ EXPECT_EQ(ds, tmp);
+ // rvalue - rvalue
+ EXPECT_EQ(ds, std::move(d3).getDefault("key3", std::move(tmp)));
+ EXPECT_NE(ds, d3["key3"]);
+ EXPECT_EQ(ds, tmp);
+ EXPECT_EQ(ds, std::move(d4).getDefault("not-a-key", std::move(tmp)));
+ EXPECT_EQ(dynamic(dynamic::object("key4", s)), d4);
+ EXPECT_NE(ds, tmp);
+}
+
+TEST(Dynamic, GetString) {
+ const dynamic c(make_long_string());
+ dynamic d(make_long_string());
+ dynamic m(make_long_string());
+
+ auto s = make_long_string();
+
+ EXPECT_EQ(s, c.getString());
+ EXPECT_EQ(s, c.getString());
+
+ d.getString() += " hello";
+ EXPECT_EQ(s + " hello", d.getString());
+ EXPECT_EQ(s + " hello", d.getString());
+
+ EXPECT_EQ(s, std::move(m).getString());
+ EXPECT_EQ(s, m.getString());
+ auto moved = std::move(m).getString();
+ EXPECT_EQ(s, moved);
+ EXPECT_NE(dynamic(s), m);
+}
+
+TEST(Dynamic, GetSmallThings) {
+ const dynamic cint(5);
+ const dynamic cdouble(5.0);
+ const dynamic cbool(true);
+ dynamic dint(5);
+ dynamic ddouble(5.0);
+ dynamic dbool(true);
+ dynamic mint(5);
+ dynamic mdouble(5.0);
+ dynamic mbool(true);
+
+ EXPECT_EQ(5, cint.getInt());
+ dint.getInt() = 6;
+ EXPECT_EQ(6, dint.getInt());
+ EXPECT_EQ(5, std::move(mint).getInt());
+
+ EXPECT_EQ(5.0, cdouble.getDouble());
+ ddouble.getDouble() = 6.0;
+ EXPECT_EQ(6.0, ddouble.getDouble());
+ EXPECT_EQ(5.0, std::move(mdouble).getDouble());
+
+ EXPECT_TRUE(cbool.getBool());
+ dbool.getBool() = false;
+ EXPECT_FALSE(dbool.getBool());
+ EXPECT_TRUE(std::move(mbool).getBool());
+}
+
+TEST(Dynamic, At) {
+ const dynamic cd = dynamic::object("key1", make_long_string());
+ dynamic dd = dynamic::object("key1", make_long_string());
+ dynamic md = dynamic::object("key1", make_long_string());
+
+ dynamic ds(make_long_string());
+ EXPECT_EQ(ds, cd.at("key1"));
+ EXPECT_EQ(ds, cd.at("key1"));
+
+ dd.at("key1").getString() += " hello";
+ EXPECT_EQ(dynamic(make_long_string() + " hello"), dd.at("key1"));
+ EXPECT_EQ(dynamic(make_long_string() + " hello"), dd.at("key1"));
+
+ EXPECT_EQ(ds, std::move(md).at("key1")); // move available, but not performed
+ EXPECT_EQ(ds, md.at("key1"));
+ dynamic moved = std::move(md).at("key1"); // move performed
+ EXPECT_EQ(ds, moved);
+ EXPECT_NE(ds, md.at("key1"));
+}
+
+TEST(Dynamic, Brackets) {
+ const dynamic cd = dynamic::object("key1", make_long_string());
+ dynamic dd = dynamic::object("key1", make_long_string());
+ dynamic md = dynamic::object("key1", make_long_string());
+
+ dynamic ds(make_long_string());
+ EXPECT_EQ(ds, cd["key1"]);
+ EXPECT_EQ(ds, cd["key1"]);
+
+ dd["key1"].getString() += " hello";
+ EXPECT_EQ(dynamic(make_long_string() + " hello"), dd["key1"]);
+ EXPECT_EQ(dynamic(make_long_string() + " hello"), dd["key1"]);
+
+ EXPECT_EQ(ds, std::move(md)["key1"]); // move available, but not performed
+ EXPECT_EQ(ds, md["key1"]);
+ dynamic moved = std::move(md)["key1"]; // move performed
+ EXPECT_EQ(ds, moved);
+ EXPECT_NE(ds, md["key1"]);
+}
+
+TEST(Dynamic, PrintNull) {
+ std::stringstream ss;
+ ss << folly::dynamic(nullptr);
+ EXPECT_EQ("null", ss.str());
+}
+
+TEST(Dynamic, WriteThroughArrayIterators) {
+ dynamic const cint(0);
+ dynamic d = dynamic::array(cint, cint, cint);
+ size_t size = d.size();
+
+ for (auto& val : d) {
+ EXPECT_EQ(val, cint);
+ }
+ EXPECT_EQ(d.size(), size);
+
+ dynamic ds(make_long_string());
+ for (auto& val : d) {
+ val = ds; // assign through reference
+ }
+
+ ds = "short string";
+ dynamic ds2(make_long_string());
+
+ for (auto& val : d) {
+ EXPECT_EQ(val, ds2);
+ }
+ EXPECT_EQ(d.size(), size);
+}
+
+TEST(Dynamic, MoveOutOfArrayIterators) {
+ dynamic ds(make_long_string());
+ dynamic d = dynamic::array(ds, ds, ds);
+ size_t size = d.size();
+
+ for (auto& val : d) {
+ EXPECT_EQ(val, ds);
+ }
+ EXPECT_EQ(d.size(), size);
+
+ for (auto& val : d) {
+ dynamic waste = std::move(val); // force moving out
+ EXPECT_EQ(waste, ds);
+ }
+
+ for (auto& val : d) {
+ EXPECT_NE(val, ds);
+ }
+ EXPECT_EQ(d.size(), size);
+}
+
+TEST(Dynamic, WriteThroughObjectIterators) {
+ dynamic const cint(0);
+ dynamic d = dynamic::object("key1", cint)("key2", cint);
+ size_t size = d.size();
+
+ for (auto& val : d.items()) {
+ EXPECT_EQ(val.second, cint);
+ }
+ EXPECT_EQ(d.size(), size);
+
+ dynamic ds(make_long_string());
+ for (auto& val : d.items()) {
+ val.second = ds; // assign through reference
+ }
+
+ ds = "short string";
+ dynamic ds2(make_long_string());
+ for (auto& val : d.items()) {
+ EXPECT_EQ(val.second, ds2);
+ }
+ EXPECT_EQ(d.size(), size);
+}
+
+TEST(Dynamic, MoveOutOfObjectIterators) {
+ dynamic ds(make_long_string());
+ dynamic d = dynamic::object("key1", ds)("key2", ds);
+ size_t size = d.size();
+
+ for (auto& val : d.items()) {
+ EXPECT_EQ(val.second, ds);
+ }
+ EXPECT_EQ(d.size(), size);
+
+ for (auto& val : d.items()) {
+ dynamic waste = std::move(val.second); // force moving out
+ EXPECT_EQ(waste, ds);
+ }
+
+ for (auto& val : d.items()) {
+ EXPECT_NE(val.second, ds);
+ }
+ EXPECT_EQ(d.size(), size);
+}
+
+TEST(Dynamic, ArrayIteratorInterop) {
+ dynamic d = dynamic::array(0, 1, 2);
+ dynamic const& cdref = d;
+
+ auto it = d.begin();
+ auto cit = cdref.begin();
+
+ EXPECT_EQ(it, cit);
+ EXPECT_EQ(cit, d.begin());
+ EXPECT_EQ(it, cdref.begin());
+
+ // Erase using non-const iterator
+ it = d.erase(it);
+ cit = cdref.begin();
+ EXPECT_EQ(*it, 1);
+ EXPECT_EQ(cit, it);
+
+ // Assign from non-const to const, preserve equality
+ decltype(cit) cit2 = it;
+ EXPECT_EQ(cit, cit2);
+}
+
+TEST(Dynamic, ObjectIteratorInterop) {
+ dynamic ds = make_long_string();
+ dynamic d = dynamic::object(0, ds)(1, ds)(2, ds);
+ dynamic const& cdref = d;
+
+ auto it = d.find(0);
+ auto cit = cdref.find(0);
+ EXPECT_NE(it, cdref.items().end());
+ EXPECT_NE(cit, cdref.items().end());
+ EXPECT_EQ(it, cit);
+
+ ++cit;
+ // Erase using non-const iterator
+ auto it2 = d.erase(it);
+ EXPECT_EQ(cit, it2);
+
+ // Assign from non-const to const, preserve equality
+ decltype(cit) cit2 = it2;
+ EXPECT_EQ(cit, cit2);
}
projects / folly.git / blobdiff