lib/json
1
0
Fork 0
mirror of https://github.com/nlohmann/json.git synced 2025-07-21 04:22:05 +03:00
Code Activity

JSON-pointer: add operator+() returning a new json_pointer

Browse Source
This commit is contained in:
Patrick Boettcher
2019-01-24 16:46:51 +01:00
parent e89c946451
commit a06e7f5d80
3 changed files with 96 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
test/src/unit-json_pointer.cpp
View File

@ -513,4 +513,58 @@ TEST_CASE("JSON pointers")
CHECK(j[ptr] == j["object"]["/"]);
CHECK(ptr.to_string() == "/object/~1");
}
SECTION("operators")
{
const json j =
{
{"", "Hello"},
{"pi", 3.141},
{"happy", true},
{"name", "Niels"},
{"nothing", nullptr},
{
"answer", {
{"everything", 42}
}
},
{"list", {1, 0, 2}},
{
"object", {
{"currency", "USD"},
{"value", 42.99},
{"", "empty string"},
{"/", "slash"},
{"~", "tilde"},
{"~1", "tilde1"}
}
}
};
// empty json_pointer returns the root JSON-object
auto ptr = ""_json_pointer;
CHECK(j[ptr] == j);
// simple field access
ptr = ptr + "pi";
CHECK(j[ptr] == j["pi"]);
ptr.pop_back();
CHECK(j[ptr] == j);
// object and children access
ptr = ptr + "answer";
ptr = ptr + "everything";
CHECK(j[ptr] == j["answer"]["everything"]);
ptr.pop_back();
ptr.pop_back();
CHECK(j[ptr] == j);
// push key which has to be encoded
ptr = ptr + "object";
ptr = ptr + "/";
CHECK(j[ptr] == j["object"]["/"]);
CHECK(ptr.to_string() == "/object/~1");
}
}