issue-293.cpp

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#include "nlohmann/json-schema.hpp"
 
using nlohmann::json_schema::json_validator;
 
template <typename T>
int should_throw(const nlohmann::json &schema, T value)
{
    try {
        json_validator(schema).validate(value);
    } catch (const std::exception &ex) {
        return 0;
    }
    return 1;
}
 
int main(void)
{
 
    json_validator({{"type", "number"}, {"multipleOf", 0.001}}).validate(0.3 - 0.2);
    json_validator({{"type", "number"}, {"multipleOf", 3.3}}).validate(8.0 - 1.4);
    json_validator({{"type", "number"}, {"multipleOf", 1000.01}}).validate((1000.03 - 0.02) * 15.0);
    json_validator({{"type", "number"}, {"multipleOf", 0.001}}).validate(0.030999999999999993);
    json_validator({{"type", "number"}, {"multipleOf", 0.100000}}).validate(1.9);
    json_validator({{"type", "number"}, {"multipleOf", 100000.1}}).validate(9000009);
 
    int exc_count = 0;
    exc_count += should_throw({{"type", "number"}, {"multipleOf", 0.001}}, 0.3 - 0.2005);
    exc_count += should_throw({{"type", "number"}, {"multipleOf", 1000.02}}, (1000.03 - 0.02) * 15.0);
    exc_count += should_throw({{"type", "number"}, {"multipleOf", 100000.11}}, 9000009);
 
    return exc_count;
}