Bug #19335: Integer#remainder and Numeric#remainder should respect #coerce - Ruby master - Ruby Issue Tracking System

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Bug #19335

closed

Integer#remainder and Numeric#remainder should respect #coerce

Added by kyanagi (Kouhei Yanagita) over 1 year ago. Updated over 1 year ago.

Status:

Closed

Assignee:

mrkn (Kenta Murata)

Target version:

ruby -v:

ruby 3.2.0 (2022-12-25 revision a528908271) [arm64-darwin21]

Backport:

2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN

[ruby-core:111798]

Description

Thinking of the result of the following, Integer#remainder and Numeric#remainder should respect #coerce.
(BigDecimal#remainder seems to respect #coerce.)

c = Object.new
def c.coerce(other)
  [other, 10]
end

p 1234 / c          # => 123
p 1234.div(c)       # => 123
p 1234.quo(c)       # => (617/5)
p 1234.fdiv(c)      # => 123.4
p 1234 % c          # => 4
p 1234.modulo(c)    # => 4
p 1234.divmod(c)    # => [123, 4]
p 1234.remainder(c) # => in `remainder': comparison of Object with 0 failed (ArgumentError)

p 1234.0 / c          # => 123.4
p 1234.0.div(c)       # => 123
p 1234.0.quo(c)       # => 123.4
p 1234.0.fdiv(c)      # => 123.4
p 1234.0 % c          # => 4.0
p 1234.0.modulo(c)    # => 4.0
p 1234.0.divmod(c)    # => [123, 4.0]
p 1234.0.remainder(c) # => in `remainder': comparison of Object with 0 failed (ArgumentError)

require 'bigdecimal'
p BigDecimal('1234.0').remainder(c) # => 0.4e1