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https://github.com/open-source-parsers/jsoncpp.git
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Add test cases for Reader (#1108)
* update testcase for reader * add a helper function * refactor structured error testing
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Chen
GitHub
parent
2983f5a89a
commit
a3c8642886
@ -21,6 +21,7 @@
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#include <json/config.h>
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#include <json/json.h>
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#include <limits>
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#include <memory>
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#include <sstream>
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#include <string>
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@ -2641,167 +2642,213 @@ JSONTEST_FIXTURE_LOCAL(StreamWriterTest, unicode) {
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"\"\\t\\n\\ud806\\udca1=\\u0133\\ud82c\\udd1b\\uff67\"\n}");
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}
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struct ReaderTest : JsonTest::TestCase {};
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struct ReaderTest : JsonTest::TestCase {
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void setStrictMode() {
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reader = std::unique_ptr<Json::Reader>(
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new Json::Reader(Json::Features{}.strictMode()));
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}
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void checkStructuredErrors(
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const std::vector<Json::Reader::StructuredError>& actual,
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const std::vector<Json::Reader::StructuredError>& expected) {
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JSONTEST_ASSERT_EQUAL(actual.size(), expected.size());
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for (size_t i = 0; i < actual.size(); ++i) {
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const auto& a = actual[i];
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const auto& e = expected[i];
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JSONTEST_ASSERT_EQUAL(a.offset_start, e.offset_start) << i;
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JSONTEST_ASSERT_EQUAL(a.offset_limit, e.offset_limit) << i;
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JSONTEST_ASSERT_EQUAL(a.message, e.message) << i;
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}
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}
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template <typename Input> void checkParse(Input&& input) {
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JSONTEST_ASSERT(reader->parse(input, root));
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}
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template <typename Input>
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void
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checkParse(Input&& input,
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const std::vector<Json::Reader::StructuredError>& structured) {
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JSONTEST_ASSERT(!reader->parse(input, root));
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checkStructuredErrors(reader->getStructuredErrors(), structured);
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}
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template <typename Input>
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void checkParse(Input&& input,
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const std::vector<Json::Reader::StructuredError>& structured,
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const std::string& formatted) {
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checkParse(input, structured);
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JSONTEST_ASSERT_EQUAL(reader->getFormattedErrorMessages(), formatted);
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}
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std::unique_ptr<Json::Reader> reader{new Json::Reader()};
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Json::Value root;
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};
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseWithNoErrors) {
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Json::Reader reader;
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Json::Value root;
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bool ok = reader.parse("{ \"property\" : \"value\" }", root);
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JSONTEST_ASSERT(ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages().empty());
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JSONTEST_ASSERT(reader.getStructuredErrors().empty());
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checkParse(R"({ "property" : "value" })");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseObject) {
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checkParse(R"({"property"})",
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{{11, 12, "Missing ':' after object member name"}},
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"* Line 1, Column 12\n Missing ':' after object member name\n");
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checkParse(
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R"({"property" : "value" )",
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{{22, 22, "Missing ',' or '}' in object declaration"}},
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"* Line 1, Column 23\n Missing ',' or '}' in object declaration\n");
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checkParse(R"({"property" : "value", )",
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{{23, 23, "Missing '}' or object member name"}},
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"* Line 1, Column 24\n Missing '}' or object member name\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseArray) {
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checkParse(
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R"([ "value" )", {{10, 10, "Missing ',' or ']' in array declaration"}},
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"* Line 1, Column 11\n Missing ',' or ']' in array declaration\n");
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checkParse(
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R"([ "value1" "value2" ] )",
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{{11, 19, "Missing ',' or ']' in array declaration"}},
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"* Line 1, Column 12\n Missing ',' or ']' in array declaration\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseString) {
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checkParse(R"([ "\u8a2a" ])");
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checkParse(
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R"([ "\ud801" ])",
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{{2, 10,
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"additional six characters expected to parse unicode surrogate "
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"pair."}},
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"* Line 1, Column 3\n"
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" additional six characters expected to parse unicode surrogate pair.\n"
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"See Line 1, Column 10 for detail.\n");
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checkParse(R"([ "\ud801\d1234" ])",
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{{2, 16,
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"expecting another \\u token to begin the "
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"second half of a unicode surrogate pair"}},
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"* Line 1, Column 3\n"
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" expecting another \\u token to begin the "
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"second half of a unicode surrogate pair\n"
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"See Line 1, Column 12 for detail.\n");
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checkParse(R"([ "\ua3t@" ])",
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{{2, 10,
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"Bad unicode escape sequence in string: "
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"hexadecimal digit expected."}},
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"* Line 1, Column 3\n"
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" Bad unicode escape sequence in string: "
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"hexadecimal digit expected.\n"
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"See Line 1, Column 9 for detail.\n");
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checkParse(
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R"([ "\ua3t" ])",
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{{2, 9, "Bad unicode escape sequence in string: four digits expected."}},
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"* Line 1, Column 3\n"
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" Bad unicode escape sequence in string: four digits expected.\n"
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"See Line 1, Column 6 for detail.\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseComment) {
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Json::Reader reader;
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Json::Value root;
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bool ok = reader.parse("{ /*commentBeforeValue*/"
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" \"property\" : \"value\" }"
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"//commentAfterValue\n",
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root);
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JSONTEST_ASSERT(ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages().empty());
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JSONTEST_ASSERT(reader.getStructuredErrors().empty());
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checkParse(
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R"({ /*commentBeforeValue*/ "property" : "value" }//commentAfterValue)"
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"\n");
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checkParse(" true //comment1\n//comment2\r//comment3\r\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, streamParseWithNoErrors) {
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Json::Reader reader;
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std::string styled = "{ \"property\" : \"value\" }";
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std::string styled = R"({ "property" : "value" })";
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std::istringstream iss(styled);
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Json::Value root;
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bool ok = reader.parse(iss, root);
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JSONTEST_ASSERT(ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages().empty());
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JSONTEST_ASSERT(reader.getStructuredErrors().empty());
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checkParse(iss);
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseWithNoErrorsTestingOffsets) {
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Json::Reader reader;
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Json::Value root;
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bool ok = reader.parse("{ \"property\" : [\"value\", \"value2\"], \"obj\" : "
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"{ \"nested\" : -6.2e+15, \"bool\" : true}, \"null\" :"
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" null, \"false\" : false }",
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root);
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JSONTEST_ASSERT(ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages().empty());
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JSONTEST_ASSERT(reader.getStructuredErrors().empty());
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JSONTEST_ASSERT(root["property"].getOffsetStart() == 15);
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JSONTEST_ASSERT(root["property"].getOffsetLimit() == 34);
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JSONTEST_ASSERT(root["property"][0].getOffsetStart() == 16);
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JSONTEST_ASSERT(root["property"][0].getOffsetLimit() == 23);
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JSONTEST_ASSERT(root["property"][1].getOffsetStart() == 25);
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JSONTEST_ASSERT(root["property"][1].getOffsetLimit() == 33);
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JSONTEST_ASSERT(root["obj"].getOffsetStart() == 44);
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JSONTEST_ASSERT(root["obj"].getOffsetLimit() == 81);
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JSONTEST_ASSERT(root["obj"]["nested"].getOffsetStart() == 57);
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JSONTEST_ASSERT(root["obj"]["nested"].getOffsetLimit() == 65);
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JSONTEST_ASSERT(root["obj"]["bool"].getOffsetStart() == 76);
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JSONTEST_ASSERT(root["obj"]["bool"].getOffsetLimit() == 80);
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JSONTEST_ASSERT(root["null"].getOffsetStart() == 92);
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JSONTEST_ASSERT(root["null"].getOffsetLimit() == 96);
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JSONTEST_ASSERT(root["false"].getOffsetStart() == 108);
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JSONTEST_ASSERT(root["false"].getOffsetLimit() == 113);
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JSONTEST_ASSERT(root.getOffsetStart() == 0);
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JSONTEST_ASSERT(root.getOffsetLimit() == 115);
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checkParse(R"({)"
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R"( "property" : ["value", "value2"],)"
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R"( "obj" : { "nested" : -6.2e+15, "bool" : true},)"
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R"( "null" : null,)"
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R"( "false" : false)"
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R"( })");
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auto checkOffsets = [&](const Json::Value& v, int start, int limit) {
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JSONTEST_ASSERT_EQUAL(v.getOffsetStart(), start);
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JSONTEST_ASSERT_EQUAL(v.getOffsetLimit(), limit);
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};
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checkOffsets(root, 0, 115);
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checkOffsets(root["property"], 15, 34);
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checkOffsets(root["property"][0], 16, 23);
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checkOffsets(root["property"][1], 25, 33);
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checkOffsets(root["obj"], 44, 81);
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checkOffsets(root["obj"]["nested"], 57, 65);
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checkOffsets(root["obj"]["bool"], 76, 80);
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checkOffsets(root["null"], 92, 96);
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checkOffsets(root["false"], 108, 113);
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseWithOneError) {
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Json::Reader reader;
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Json::Value root;
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bool ok = reader.parse("{ \"property\" :: \"value\" }", root);
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JSONTEST_ASSERT(!ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages() ==
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"* Line 1, Column 15\n Syntax error: value, object or array "
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"expected.\n");
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std::vector<Json::Reader::StructuredError> errors =
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reader.getStructuredErrors();
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JSONTEST_ASSERT(errors.size() == 1);
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JSONTEST_ASSERT(errors.at(0).offset_start == 14);
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JSONTEST_ASSERT(errors.at(0).offset_limit == 15);
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JSONTEST_ASSERT(errors.at(0).message ==
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"Syntax error: value, object or array expected.");
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checkParse(R"({ "property" :: "value" })",
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{{14, 15, "Syntax error: value, object or array expected."}},
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"* Line 1, Column 15\n Syntax error: value, object or array "
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"expected.\n");
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checkParse("s", {{0, 1, "Syntax error: value, object or array expected."}},
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"* Line 1, Column 1\n Syntax error: value, object or array "
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"expected.\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseSpecialFloat) {
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checkParse(R"({ "a" : Infi })",
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{{8, 9, "Syntax error: value, object or array expected."}},
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"* Line 1, Column 9\n Syntax error: value, object or array "
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"expected.\n");
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checkParse(R"({ "a" : Infiniaa })",
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{{8, 9, "Syntax error: value, object or array expected."}},
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"* Line 1, Column 9\n Syntax error: value, object or array "
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"expected.\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, strictModeParseNumber) {
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Json::Features feature;
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Json::Reader reader(feature.strictMode());
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Json::Value root;
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bool ok = reader.parse("123", root);
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JSONTEST_ASSERT(!ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages() ==
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"* Line 1, Column 1\n"
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" A valid JSON document must be either an array or"
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" an object value.\n");
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std::vector<Json::Reader::StructuredError> errors =
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reader.getStructuredErrors();
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JSONTEST_ASSERT(errors.size() == 1);
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JSONTEST_ASSERT(errors.at(0).offset_start == 0);
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JSONTEST_ASSERT(errors.at(0).offset_limit == 3);
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JSONTEST_ASSERT(errors.at(0).message ==
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"A valid JSON document must be either an array or"
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" an object value.");
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setStrictMode();
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checkParse(
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"123",
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{{0, 3,
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"A valid JSON document must be either an array or an object value."}},
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"* Line 1, Column 1\n"
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" A valid JSON document must be either an array or an object value.\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseChineseWithOneError) {
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Json::Reader reader;
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Json::Value root;
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bool ok = reader.parse("{ \"pr佐藤erty\" :: \"value\" }", root);
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JSONTEST_ASSERT(!ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages() ==
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"* Line 1, Column 19\n Syntax error: value, object or array "
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"expected.\n");
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std::vector<Json::Reader::StructuredError> errors =
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reader.getStructuredErrors();
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JSONTEST_ASSERT(errors.size() == 1);
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JSONTEST_ASSERT(errors.at(0).offset_start == 18);
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JSONTEST_ASSERT(errors.at(0).offset_limit == 19);
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JSONTEST_ASSERT(errors.at(0).message ==
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"Syntax error: value, object or array expected.");
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// \u4f50\u85e4 佐藤
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checkParse(R"({ "pr)"
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"佐藤"
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R"(erty" :: "value" })",
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{{18, 19, "Syntax error: value, object or array expected."}},
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"* Line 1, Column 19\n Syntax error: value, object or array "
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"expected.\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, parseWithDetailError) {
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Json::Reader reader;
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Json::Value root;
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bool ok = reader.parse("{ \"property\" : \"v\\alue\" }", root);
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JSONTEST_ASSERT(!ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages() ==
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"* Line 1, Column 16\n Bad escape sequence in string\nSee "
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"Line 1, Column 20 for detail.\n");
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std::vector<Json::Reader::StructuredError> errors =
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reader.getStructuredErrors();
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JSONTEST_ASSERT(errors.size() == 1);
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JSONTEST_ASSERT(errors.at(0).offset_start == 15);
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JSONTEST_ASSERT(errors.at(0).offset_limit == 23);
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JSONTEST_ASSERT(errors.at(0).message == "Bad escape sequence in string");
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checkParse(R"({ "property" : "v\alue" })",
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{{15, 23, "Bad escape sequence in string"}},
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"* Line 1, Column 16\n"
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" Bad escape sequence in string\n"
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"See Line 1, Column 20 for detail.\n");
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}
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JSONTEST_FIXTURE_LOCAL(ReaderTest, pushErrorTest) {
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Json::Reader reader;
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Json::Value root;
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{
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bool ok = reader.parse("{ \"AUTHOR\" : 123 }", root);
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JSONTEST_ASSERT(ok);
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if (!root["AUTHOR"].isString()) {
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ok = reader.pushError(root["AUTHOR"], "AUTHOR must be a string");
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}
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JSONTEST_ASSERT(ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages() ==
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"* Line 1, Column 14\n"
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" AUTHOR must be a string\n");
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checkParse(R"({ "AUTHOR" : 123 })");
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if (!root["AUTHOR"].isString()) {
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JSONTEST_ASSERT(
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reader->pushError(root["AUTHOR"], "AUTHOR must be a string"));
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}
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{
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bool ok = reader.parse("{ \"AUTHOR\" : 123 }", root);
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JSONTEST_ASSERT(ok);
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if (!root["AUTHOR"].isString()) {
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ok = reader.pushError(root["AUTHOR"], "AUTHOR must be a string",
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root["AUTHOR"]);
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}
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JSONTEST_ASSERT(ok);
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JSONTEST_ASSERT(reader.getFormattedErrorMessages() ==
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"* Line 1, Column 14\n"
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" AUTHOR must be a string\n"
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"See Line 1, Column 14 for detail.\n");
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JSONTEST_ASSERT_STRING_EQUAL(reader->getFormattedErrorMessages(),
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"* Line 1, Column 14\n"
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" AUTHOR must be a string\n");
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checkParse(R"({ "AUTHOR" : 123 })");
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if (!root["AUTHOR"].isString()) {
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JSONTEST_ASSERT(reader->pushError(root["AUTHOR"], "AUTHOR must be a string",
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root["AUTHOR"]));
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}
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JSONTEST_ASSERT_STRING_EQUAL(reader->getFormattedErrorMessages(),
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"* Line 1, Column 14\n"
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" AUTHOR must be a string\n"
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"See Line 1, Column 14 for detail.\n");
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}
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struct CharReaderTest : JsonTest::TestCase {};
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