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implemented pretty printing (issue #13)

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- to_string() method is now called dump()
- syntax borrowed from Python’s json.dumps()
This commit is contained in:
Niels 2015-01-06 21:44:07 +01:00
parent 08456b8ff0
commit bd9f49efb9
4 changed files with 126 additions and 28 deletions
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26
test/json_unit.cc
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@ -17,7 +17,7 @@ TEST_CASE("array")
const json j_const (j);
// string representation of default value
CHECK(j.to_string() == "[]");
CHECK(j.dump() == "[]");
// iterators
CHECK(j.begin() != j.end());
@ -305,7 +305,7 @@ TEST_CASE("object")
const json j_const = j;
// string representation of default value
CHECK(j.to_string() == "{}");
CHECK(j.dump() == "{}");
// iterators
CHECK(j.begin() != j.end());
@ -685,7 +685,7 @@ TEST_CASE("null")
CHECK(j.type() == json::value_type::null);
// string representation of default value
CHECK(j.to_string() == "null");
CHECK(j.dump() == "null");
// iterators
CHECK(j.begin() != j.end());
@ -755,7 +755,7 @@ TEST_CASE("string")
CHECK(j.cbegin() != j.cend());
// string representation of default value
CHECK(j.to_string() == "\"\"");
CHECK(j.dump() == "\"\"");
// container members
CHECK(j.size() == 1);
@ -837,7 +837,7 @@ TEST_CASE("boolean")
CHECK(j.cbegin() != j.cend());
// string representation of default value
CHECK(j.to_string() == "false");
CHECK(j.dump() == "false");
// container members
CHECK(j.size() == 1);
@ -916,7 +916,7 @@ TEST_CASE("number (int)")
CHECK(j.cbegin() != j.cend());
// string representation of default value
CHECK(j.to_string() == "0");
CHECK(j.dump() == "0");
// container members
CHECK(j.size() == 1);
@ -1002,7 +1002,7 @@ TEST_CASE("number (float)")
CHECK(j.cbegin() != j.cend());
// string representation of default value
CHECK(j.to_string() == "0.000000");
CHECK(j.dump() == "0.000000");
// container members
CHECK(j.size() == 1);
@ -1786,6 +1786,18 @@ TEST_CASE("Parser")
CHECK(j22 == j23);
}
SECTION("serialization")
{
auto j23 = "{ \"a\": null, \"b\": true, \"c\": [1,2,3], \"d\": {\"a\": 0} }"_json;
CHECK(j23.dump() == "{\"a\": null, \"b\": true, \"c\": [1, 2, 3], \"d\": {\"a\": 0}}");
CHECK(j23.dump(-1) == "{\"a\": null, \"b\": true, \"c\": [1, 2, 3], \"d\": {\"a\": 0}}");
CHECK(j23.dump(0) ==
"{\n\"a\": null,\n\"b\": true,\n\"c\": [\n1,\n2,\n3\n],\n\"d\": {\n\"a\": 0\n}\n}");
CHECK(j23.dump(4) ==
"{\n \"a\": null,\n \"b\": true,\n \"c\": [\n 1,\n 2,\n 3\n ],\n \"d\": {\n \"a\": 0\n }\n}");
}
SECTION("Errors")
{
CHECK_THROWS_AS(json::parse(""), std::invalid_argument);