From fe2a6f65b1108fc71d269daaf1c7f4d89ebec0cb Mon Sep 17 00:00:00 2001 From: mrkn Date: Tue, 27 Feb 2018 16:45:09 +0000 Subject: Support two `to_r`-responding args in Rational() * rational.c (nurat_s_convert): call `to_r` to convert non-Numeric objects also if argc == 2 in Rational(). * test/ruby/test_rational.rb: add tests. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_rational.rb | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'test/ruby') diff --git a/test/ruby/test_rational.rb b/test/ruby/test_rational.rb index f8da6da7d6..4cdcb419cb 100644 --- a/test/ruby/test_rational.rb +++ b/test/ruby/test_rational.rb @@ -120,7 +120,32 @@ class Rational_Test < Test::Unit::TestCase assert_raise_with_message(ArgumentError, /\u{221a 2668}/) { Rational("\u{221a 2668}") } + assert_raise(TypeError){Rational(Object.new)} + assert_raise(TypeError){Rational(Object.new, Object.new)} + assert_raise(TypeError){Rational(1, Object.new)} + + o = Object.new + def o.to_r; 1/42r; end + assert_equal(1/42r, Rational(o)) + assert_equal(1/84r, Rational(o, 2)) + assert_equal(42, Rational(1, o)) + assert_equal(1, Rational(o, o)) + + o = Object.new + def o.to_r; nil; end + assert_raise(TypeError) { Rational(o) } + assert_raise(TypeError) { Rational(o, 2) } + assert_raise(TypeError) { Rational(1, o) } + assert_raise(TypeError) { Rational(o, o) } + + o = Object.new + def o.to_r; raise; end + assert_raise(RuntimeError) { Rational(o) } + assert_raise(RuntimeError) { Rational(o, 2) } + assert_raise(RuntimeError) { Rational(1, o) } + assert_raise(RuntimeError) { Rational(o, o) } + assert_raise(ArgumentError){Rational()} assert_raise(ArgumentError){Rational(1,2,3)} -- cgit v1.2.3