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Bug #12955

closed

BigDecimal::INFINITY and BigDecimal::NAN to_json and as_json should error out similar to Float::INFINITY and Float::NAN

Added by cha1tanya (Prathamesh Sonpatki) about 8 years ago. Updated about 8 years ago.

Status:
Third Party's Issue
Assignee:
-
Target version:
-
ruby -v:
Backport:
2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
[ruby-core:78196]

Description

Currently, Float::INFINITY and Float::NAN error out when we try to convert them into JSON representation using as_json or to_json based on the following code from /ruby/ext/json/generator.c

    if (!allow_nan) {
        if (isinf(value)) {
            fbuffer_free(buffer);
            rb_raise(eGeneratorError, "%u: %"PRIsVALUE" not allowed in JSON", __LINE__, RB_OBJ_STRING(tmp));
        } else if (isnan(value)) {
            fbuffer_free(buffer);
            rb_raise(eGeneratorError, "%u: %"PRIsVALUE" not allowed in JSON", __LINE__, RB_OBJ_STRING(tmp));
        }
    }

Should same treatment be applied to BigDecimal::INFINITY and BigDecimal::NAN?

Here is the RFC link which says that

Numeric values that cannot be represented as sequences of digits such as Infinity and NaN) are not permitted

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