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未验证 提交 9381f6c4 编写于 作者: N Niels Lohmann
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🔨 added user-defined exceptions 201-202 

Started implementing exceptions for invalid iterators.
上级 e291c6c3
隐藏空白更改
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Showing with 81 addition and 73 deletion
src/json.hpp
浏览文件 @ 9381f6c4
......@@ -2415,8 +2415,9 @@ class basic_json
@pre Iterators @a first and @a last must be initialized. **This
precondition is enforced with an assertion.**
@throw std::domain_error if iterators are not compatible; that is, do not
belong to the same JSON value; example: `"iterators are not compatible"`
@throw invalid_iterator.201 if iterators are not compatible; that is, do
not belong to the same JSON value; example: `"iterators are not
compatible"`
@throw std::out_of_range if iterators are for a primitive type (number,
boolean, or string) where an out of range error can be detected easily;
example: `"iterators out of range"`
......@@ -2442,7 +2443,7 @@ class basic_json
// make sure iterator fits the current value
if (first.m_object != last.m_object)
{
JSON_THROW(std::domain_error("iterators are not compatible"));
JSON_THROW(invalid_iterator(201, "iterators are not compatible"));
}
// copy type from first iterator
......@@ -4398,8 +4399,9 @@ class basic_json
@throw std::domain_error if called on a `null` value; example: `"cannot
use erase() with null"`
@throw std::domain_error if called on an iterator which does not belong to
the current JSON value; example: `"iterator does not fit current value"`
@throw invalid_iterator.202 if called on an iterator which does not belong
to the current JSON value; example: `"iterator does not fit current
value"`
@throw std::out_of_range if called on a primitive type with invalid
iterator (i.e., any iterator which is not `begin()`); example: `"iterator
out of range"`
......@@ -4431,7 +4433,7 @@ class basic_json
// make sure iterator fits the current value
if (this != pos.m_object)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
IteratorType result = end();
......@@ -5655,8 +5657,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@complexity Constant plus linear in the distance between @a pos and end of
the container.
......@@ -5673,7 +5675,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// insert to array and return iterator
......@@ -5708,8 +5710,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@complexity Linear in @a cnt plus linear in the distance between @a pos
and end of the container.
......@@ -5726,7 +5728,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// insert to array and return iterator
......@@ -5750,8 +5752,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@throw std::domain_error if @a first and @a last do not belong to the same
JSON value; example: `"iterators do not fit"`
@throw std::domain_error if @a first or @a last are iterators into
......@@ -5779,7 +5781,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// check if range iterators belong to the same JSON object
......@@ -5813,8 +5815,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@return iterator pointing to the first element inserted, or @a pos if
`ilist` is empty
......@@ -5837,7 +5839,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// insert to array and return iterator
......
src/json.hpp.re2c
浏览文件 @ 9381f6c4
......@@ -2415,8 +2415,9 @@ class basic_json
@pre Iterators @a first and @a last must be initialized. **This
precondition is enforced with an assertion.**
@throw std::domain_error if iterators are not compatible; that is, do not
belong to the same JSON value; example: `"iterators are not compatible"`
@throw invalid_iterator.201 if iterators are not compatible; that is, do
not belong to the same JSON value; example: `"iterators are not
compatible"`
@throw std::out_of_range if iterators are for a primitive type (number,
boolean, or string) where an out of range error can be detected easily;
example: `"iterators out of range"`
......@@ -2442,7 +2443,7 @@ class basic_json
// make sure iterator fits the current value
if (first.m_object != last.m_object)
{
JSON_THROW(std::domain_error("iterators are not compatible"));
JSON_THROW(invalid_iterator(201, "iterators are not compatible"));
}
// copy type from first iterator
......@@ -4398,8 +4399,9 @@ class basic_json
@throw std::domain_error if called on a `null` value; example: `"cannot
use erase() with null"`
@throw std::domain_error if called on an iterator which does not belong to
the current JSON value; example: `"iterator does not fit current value"`
@throw invalid_iterator.202 if called on an iterator which does not belong
to the current JSON value; example: `"iterator does not fit current
value"`
@throw std::out_of_range if called on a primitive type with invalid
iterator (i.e., any iterator which is not `begin()`); example: `"iterator
out of range"`
......@@ -4431,7 +4433,7 @@ class basic_json
// make sure iterator fits the current value
if (this != pos.m_object)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
IteratorType result = end();
......@@ -5655,8 +5657,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@complexity Constant plus linear in the distance between @a pos and end of
the container.
......@@ -5673,7 +5675,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// insert to array and return iterator
......@@ -5708,8 +5710,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@complexity Linear in @a cnt plus linear in the distance between @a pos
and end of the container.
......@@ -5726,7 +5728,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// insert to array and return iterator
......@@ -5750,8 +5752,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@throw std::domain_error if @a first and @a last do not belong to the same
JSON value; example: `"iterators do not fit"`
@throw std::domain_error if @a first or @a last are iterators into
......@@ -5779,7 +5781,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// check if range iterators belong to the same JSON object
......@@ -5813,8 +5815,8 @@ class basic_json
@throw std::domain_error if called on JSON values other than arrays;
example: `"cannot use insert() with string"`
@throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"`
@throw invalid_iterator.202 if @a pos is not an iterator of *this;
example: `"iterator does not fit current value"`
@return iterator pointing to the first element inserted, or @a pos if
`ilist` is empty
......@@ -5837,7 +5839,7 @@ class basic_json
// check if iterator pos fits to this JSON value
if (pos.m_object != this)
{
JSON_THROW(std::domain_error("iterator does not fit current value"));
JSON_THROW(invalid_iterator(202, "iterator does not fit current value"));
}
// insert to array and return iterator
......
test/src/unit-constructor1.cpp
浏览文件 @ 9381f6c4
......@@ -1017,18 +1017,18 @@ TEST_CASE("constructors")
{
json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
json jobject2 = {{"a", "a"}, {"b", 1}, {"c", 17u}};
CHECK_THROWS_AS(json(jobject.begin(), jobject2.end()), std::domain_error);
CHECK_THROWS_AS(json(jobject2.begin(), jobject.end()), std::domain_error);
CHECK_THROWS_WITH(json(jobject.begin(), jobject2.end()), "iterators are not compatible");
CHECK_THROWS_WITH(json(jobject2.begin(), jobject.end()), "iterators are not compatible");
CHECK_THROWS_AS(json(jobject.begin(), jobject2.end()), json::invalid_iterator);
CHECK_THROWS_AS(json(jobject2.begin(), jobject.end()), json::invalid_iterator);
CHECK_THROWS_WITH(json(jobject.begin(), jobject2.end()), "[json.exception.invalid_iterator.201] iterators are not compatible");
CHECK_THROWS_WITH(json(jobject2.begin(), jobject.end()), "[json.exception.invalid_iterator.201] iterators are not compatible");
}
{
json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
json jobject2 = {{"a", "a"}, {"b", 1}, {"c", 17u}};
CHECK_THROWS_AS(json(jobject.cbegin(), jobject2.cend()), std::domain_error);
CHECK_THROWS_AS(json(jobject2.cbegin(), jobject.cend()), std::domain_error);
CHECK_THROWS_WITH(json(jobject.cbegin(), jobject2.cend()), "iterators are not compatible");
CHECK_THROWS_WITH(json(jobject2.cbegin(), jobject.cend()), "iterators are not compatible");
CHECK_THROWS_AS(json(jobject.cbegin(), jobject2.cend()), json::invalid_iterator);
CHECK_THROWS_AS(json(jobject2.cbegin(), jobject.cend()), json::invalid_iterator);
CHECK_THROWS_WITH(json(jobject.cbegin(), jobject2.cend()), "[json.exception.invalid_iterator.201] iterators are not compatible");
CHECK_THROWS_WITH(json(jobject2.cbegin(), jobject.cend()), "[json.exception.invalid_iterator.201] iterators are not compatible");
}
}
}
......@@ -1082,18 +1082,18 @@ TEST_CASE("constructors")
{
json jarray = {1, 2, 3, 4};
json jarray2 = {2, 3, 4, 5};
CHECK_THROWS_AS(json(jarray.begin(), jarray2.end()), std::domain_error);
CHECK_THROWS_AS(json(jarray2.begin(), jarray.end()), std::domain_error);
CHECK_THROWS_WITH(json(jarray.begin(), jarray2.end()), "iterators are not compatible");
CHECK_THROWS_WITH(json(jarray2.begin(), jarray.end()), "iterators are not compatible");
CHECK_THROWS_AS(json(jarray.begin(), jarray2.end()), json::invalid_iterator);
CHECK_THROWS_AS(json(jarray2.begin(), jarray.end()), json::invalid_iterator);
CHECK_THROWS_WITH(json(jarray.begin(), jarray2.end()), "[json.exception.invalid_iterator.201] iterators are not compatible");
CHECK_THROWS_WITH(json(jarray2.begin(), jarray.end()), "[json.exception.invalid_iterator.201] iterators are not compatible");
}
{
json jarray = {1, 2, 3, 4};
json jarray2 = {2, 3, 4, 5};
CHECK_THROWS_AS(json(jarray.cbegin(), jarray2.cend()), std::domain_error);
CHECK_THROWS_AS(json(jarray2.cbegin(), jarray.cend()), std::domain_error);
CHECK_THROWS_WITH(json(jarray.cbegin(), jarray2.cend()), "iterators are not compatible");
CHECK_THROWS_WITH(json(jarray2.cbegin(), jarray.cend()), "iterators are not compatible");
CHECK_THROWS_AS(json(jarray.cbegin(), jarray2.cend()), json::invalid_iterator);
CHECK_THROWS_AS(json(jarray2.cbegin(), jarray.cend()), json::invalid_iterator);
CHECK_THROWS_WITH(json(jarray.cbegin(), jarray2.cend()), "[json.exception.invalid_iterator.201] iterators are not compatible");
CHECK_THROWS_WITH(json(jarray2.cbegin(), jarray.cend()), "[json.exception.invalid_iterator.201] iterators are not compatible");
}
}
}
......
test/src/unit-element_access1.cpp
浏览文件 @ 9381f6c4
......@@ -405,12 +405,13 @@ TEST_CASE("element access 1")
{
json jarray = {1, 1u, true, nullptr, "string", 42.23, json::object(), {1, 2, 3}};
json jarray2 = {"foo", "bar"};
CHECK_THROWS_AS(jarray.erase(jarray2.begin()), std::domain_error);
CHECK_THROWS_AS(jarray.erase(jarray2.begin()), json::invalid_iterator);
CHECK_THROWS_AS(jarray.erase(jarray.begin(), jarray2.end()), std::domain_error);
CHECK_THROWS_AS(jarray.erase(jarray2.begin(), jarray.end()), std::domain_error);
CHECK_THROWS_AS(jarray.erase(jarray2.begin(), jarray2.end()), std::domain_error);
CHECK_THROWS_WITH(jarray.erase(jarray2.begin()), "iterator does not fit current value");
CHECK_THROWS_WITH(jarray.erase(jarray2.begin()),
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(jarray.erase(jarray.begin(), jarray2.end()),
"iterators do not fit current value");
CHECK_THROWS_WITH(jarray.erase(jarray2.begin(), jarray.end()),
......@@ -421,12 +422,13 @@ TEST_CASE("element access 1")
{
json jarray = {1, 1u, true, nullptr, "string", 42.23, json::object(), {1, 2, 3}};
json jarray2 = {"foo", "bar"};
CHECK_THROWS_AS(jarray.erase(jarray2.cbegin()), std::domain_error);
CHECK_THROWS_AS(jarray.erase(jarray2.cbegin()), json::invalid_iterator);
CHECK_THROWS_AS(jarray.erase(jarray.cbegin(), jarray2.cend()), std::domain_error);
CHECK_THROWS_AS(jarray.erase(jarray2.cbegin(), jarray.cend()), std::domain_error);
CHECK_THROWS_AS(jarray.erase(jarray2.cbegin(), jarray2.cend()), std::domain_error);
CHECK_THROWS_WITH(jarray.erase(jarray2.cbegin()), "iterator does not fit current value");
CHECK_THROWS_WITH(jarray.erase(jarray2.cbegin()),
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(jarray.erase(jarray.cbegin(), jarray2.cend()),
"iterators do not fit current value");
CHECK_THROWS_WITH(jarray.erase(jarray2.cbegin(), jarray.cend()),
......
test/src/unit-element_access2.cpp
浏览文件 @ 9381f6c4
......@@ -685,11 +685,12 @@ TEST_CASE("element access 2")
{
json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
json jobject2 = {{"a", "a"}, {"b", 1}, {"c", 17u}};
CHECK_THROWS_AS(jobject.erase(jobject2.begin()), std::domain_error);
CHECK_THROWS_AS(jobject.erase(jobject2.begin()), json::invalid_iterator);
CHECK_THROWS_AS(jobject.erase(jobject.begin(), jobject2.end()), std::domain_error);
CHECK_THROWS_AS(jobject.erase(jobject2.begin(), jobject.end()), std::domain_error);
CHECK_THROWS_AS(jobject.erase(jobject2.begin(), jobject2.end()), std::domain_error);
CHECK_THROWS_WITH(jobject.erase(jobject2.begin()), "iterator does not fit current value");
CHECK_THROWS_WITH(jobject.erase(jobject2.begin()),
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(jobject.erase(jobject.begin(), jobject2.end()),
"iterators do not fit current value");
CHECK_THROWS_WITH(jobject.erase(jobject2.begin(), jobject.end()),
......@@ -700,11 +701,12 @@ TEST_CASE("element access 2")
{
json jobject = {{"a", "a"}, {"b", 1}, {"c", 17u}, {"d", false}, {"e", true}};
json jobject2 = {{"a", "a"}, {"b", 1}, {"c", 17u}};
CHECK_THROWS_AS(jobject.erase(jobject2.cbegin()), std::domain_error);
CHECK_THROWS_AS(jobject.erase(jobject2.cbegin()), json::invalid_iterator);
CHECK_THROWS_AS(jobject.erase(jobject.cbegin(), jobject2.cend()), std::domain_error);
CHECK_THROWS_AS(jobject.erase(jobject2.cbegin(), jobject.cend()), std::domain_error);
CHECK_THROWS_AS(jobject.erase(jobject2.cbegin(), jobject2.cend()), std::domain_error);
CHECK_THROWS_WITH(jobject.erase(jobject2.cbegin()), "iterator does not fit current value");
CHECK_THROWS_WITH(jobject.erase(jobject2.cbegin()),
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(jobject.erase(jobject.cbegin(), jobject2.cend()),
"iterators do not fit current value");
CHECK_THROWS_WITH(jobject.erase(jobject2.cbegin(), jobject.cend()),
......
test/src/unit-modifiers.cpp
浏览文件 @ 9381f6c4
......@@ -662,22 +662,22 @@ TEST_CASE("modifiers")
// pass iterator to a different array
json j_another_array = {1, 2};
json j_yet_another_array = {"first", "second"};
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), 10), std::domain_error);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), j_value), std::domain_error);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), 10, 11), std::domain_error);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), j_yet_another_array.begin(),
j_yet_another_array.end()), std::domain_error);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), {1, 2, 3, 4}), std::domain_error);
CHECK_THROWS_WITH(j_array.insert(j_another_array.end(), 10), "iterator does not fit current value");
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), 10), json::invalid_iterator);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), j_value), json::invalid_iterator);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), 10, 11), json::invalid_iterator);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), j_yet_another_array.begin(), j_yet_another_array.end()), json::invalid_iterator);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), {1, 2, 3, 4}), json::invalid_iterator);
CHECK_THROWS_WITH(j_array.insert(j_another_array.end(), 10),
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(j_array.insert(j_another_array.end(), j_value),
"iterator does not fit current value");
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(j_array.insert(j_another_array.end(), 10, 11),
"iterator does not fit current value");
CHECK_THROWS_WITH(j_array.insert(j_another_array.end(), j_yet_another_array.begin(),
j_yet_another_array.end()), "iterator does not fit current value");
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(j_array.insert(j_another_array.end(), j_yet_another_array.begin(), j_yet_another_array.end()),
"[json.exception.invalid_iterator.202] iterator does not fit current value");
CHECK_THROWS_WITH(j_array.insert(j_another_array.end(), {1, 2, 3, 4}),
"iterator does not fit current value");
"[json.exception.invalid_iterator.202] iterator does not fit current value");
}
SECTION("non-array type")
......
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