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re-adding const version operator[] (#135, #159)

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It was a good idea to implement a const version of operator[] it in the
first place. I was a pity that this implementation was flawed. It was a
mistake to remove the const version completely. This commit
re-introduces the const version. My apologies for all the inconvenience.
This commit is contained in:
Niels
2015-12-21 08:42:42 +01:00
parent 9def0186be
commit 4351698c83
5 changed files with 197 additions and 2 deletions
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33
test/unit.cpp
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@ -3211,6 +3211,27 @@ TEST_CASE("element access")
CHECK(j["array"] == json({1, 2, 3}));
CHECK(j[json::object_t::key_type("array")] == j["array"]);
CHECK(j_const["integer"] == json(1));
CHECK(j_const[json::object_t::key_type("integer")] == j["integer"]);
CHECK(j_const["boolean"] == json(true));
CHECK(j_const[json::object_t::key_type("boolean")] == j["boolean"]);
CHECK(j_const["null"] == json(nullptr));
CHECK(j_const[json::object_t::key_type("null")] == j["null"]);
CHECK(j_const["string"] == json("hello world"));
CHECK(j_const[json::object_t::key_type("string")] == j["string"]);
CHECK(j_const["floating"] == json(42.23));
CHECK(j_const[json::object_t::key_type("floating")] == j["floating"]);
CHECK(j_const["object"] == json(json::object()));
CHECK(j_const[json::object_t::key_type("object")] == j["object"]);
CHECK(j_const["array"] == json({1, 2, 3}));
CHECK(j_const[json::object_t::key_type("array")] == j["array"]);
}
SECTION("access on non-object type")
@ -3222,6 +3243,8 @@ TEST_CASE("element access")
const json j_const_nonobject(j_nonobject);
CHECK_NOTHROW(j_nonobject["foo"]);
CHECK_NOTHROW(j_nonobject2[json::object_t::key_type("foo")]);
CHECK_THROWS_AS(j_const_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject[json::object_t::key_type("foo")], std::domain_error);
}
SECTION("boolean")
@ -3230,6 +3253,8 @@ TEST_CASE("element access")
const json j_const_nonobject(j_nonobject);
CHECK_THROWS_AS(j_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_nonobject[json::object_t::key_type("foo")], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject[json::object_t::key_type("foo")], std::domain_error);
}
SECTION("string")
@ -3238,6 +3263,8 @@ TEST_CASE("element access")
const json j_const_nonobject(j_nonobject);
CHECK_THROWS_AS(j_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_nonobject[json::object_t::key_type("foo")], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject[json::object_t::key_type("foo")], std::domain_error);
}
SECTION("array")
@ -3246,6 +3273,8 @@ TEST_CASE("element access")
const json j_const_nonobject(j_nonobject);
CHECK_THROWS_AS(j_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_nonobject[json::object_t::key_type("foo")], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject[json::object_t::key_type("foo")], std::domain_error);
}
SECTION("number (integer)")
@ -3254,6 +3283,8 @@ TEST_CASE("element access")
const json j_const_nonobject(j_nonobject);
CHECK_THROWS_AS(j_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_nonobject[json::object_t::key_type("foo")], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject[json::object_t::key_type("foo")], std::domain_error);
}
SECTION("number (floating-point)")
@ -3262,6 +3293,8 @@ TEST_CASE("element access")
const json j_const_nonobject(j_nonobject);
CHECK_THROWS_AS(j_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_nonobject[json::object_t::key_type("foo")], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject["foo"], std::domain_error);
CHECK_THROWS_AS(j_const_nonobject[json::object_t::key_type("foo")], std::domain_error);
}
}
}