Bug #13880: `BigDecimal(string)` should raise on invalid values in `string` - Ruby master - Ruby Issue Tracking System

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Bug #13880

closed

`BigDecimal(string)` should raise on invalid values in `string`

Added by ojab (ojab ojab) about 7 years ago. Updated almost 6 years ago.

Status:

Closed

Assignee:

mrkn (Kenta Murata)

Target version:

ruby -v:

ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]

Backport:

2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: UNKNOWN

[ruby-core:82704]

Description

Right now BigDecimal() behaviour differs from Integer() and Float():

2.4.1 :001 > require 'bigdecimal'
 => true
2.4.1 :002 > BigDecimal('1,')
 => 0.1e1
2.4.1 :003 > Integer('1,')
ArgumentError: invalid value for Integer(): "1,"
        from (irb):3:in `Integer'
        from (irb):3
        from /home/ojab/.rvm/rubies/ruby-2.4.1/bin/irb:11:in `<main>'
2.4.1 :004 > Float('1,')
ArgumentError: invalid value for Float(): "1,"
        from (irb):4:in `Float'
        from (irb):4
        from /home/ojab/.rvm/rubies/ruby-2.4.1/bin/irb:11:in `<main>'

and right now AFAIU there is no way to convert, for example, String to BigDecimal with validation.

I think that BigDecimal() should likewise raise for consistency, 'bigdecimal/util' & .to_d can be used for conversion without checks analogous to .to_f/.to_i/etc.