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Tests for json_pointer::empty and json_pointer::parent_pointer

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garethsb-sony 2019-02-25 09:25:02 +00:00 committed by gbsylveg
parent 08de9eeaca
commit d183bd0456
1 changed files with 18 additions and 1 deletions
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19
test/src/unit-json_pointer.cpp
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@ -461,7 +461,7 @@ TEST_CASE("JSON pointers")
}
}
SECTION("push and pop")
SECTION("empty, push, pop and parent")
{
const json j =
{
@ -490,23 +490,28 @@ TEST_CASE("JSON pointers")
// empty json_pointer returns the root JSON-object
auto ptr = ""_json_pointer;
CHECK(ptr.empty());
CHECK(j[ptr] == j);
// simple field access
ptr.push_back("pi");
CHECK(!ptr.empty());
CHECK(j[ptr] == j["pi"]);
ptr.pop_back();
CHECK(ptr.empty());
CHECK(j[ptr] == j);
// object and children access
const std::string answer("answer");
ptr.push_back(answer);
ptr.push_back("everything");
CHECK(!ptr.empty());
CHECK(j[ptr] == j["answer"]["everything"]);
ptr.pop_back();
ptr.pop_back();
CHECK(ptr.empty());
CHECK(j[ptr] == j);
// push key which has to be encoded
@ -514,6 +519,18 @@ TEST_CASE("JSON pointers")
ptr.push_back("/");
CHECK(j[ptr] == j["object"]["/"]);
CHECK(ptr.to_string() == "/object/~1");
CHECK(j[ptr.parent_pointer()] == j["object"]);
ptr = ptr.parent_pointer().parent_pointer();
CHECK(ptr.empty());
CHECK(j[ptr] == j);
// parent-pointer of the empty json_pointer is empty
ptr = ptr.parent_pointer();
CHECK(ptr.empty());
CHECK(j[ptr] == j);
CHECK_THROWS_WITH(ptr.pop_back(),
"[json.exception.out_of_range.405] JSON pointer has no parent");
}
SECTION("operators")