Charles A. Lanahan created JRUBY-6632:
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Summary: BigDecimal.new fails when passed anything but string
(Float, BigDecimal, Fixnum)
Key: JRUBY-6632
URL: https://jira.codehaus.org/browse/JRUBY-6632
Project: JRuby
Issue Type: Bug
Components: Standard Library
Affects Versions: JRuby 1.6.3, JRuby 1.7
Environment: Linux,
daidoji@darkstar:~$ java -version
java version "1.6.0_25"
Java(TM) SE Runtime Environment (build 1.6.0_25-b06)
Java HotSpot(TM) Client VM (build 20.0-b11, mixed mode, sharing)
Reporter: Charles A. Lanahan
Assignee: Thomas E Enebo
Code below, According to documentation
http://www.ruby-doc.org/stdlib-1.9.3/libdoc/bigdecimal/rdoc/BigDecimal.html#method-c-new
should take any numeric type or string when creating a RubyBigDecimal object.
However, Jruby fails on all of these. (Note: MRI seems to fail as well but for
unrelated reasons I suppose https://gist.github.com/2552909).
Issue seems to be this code below in RubyBigDecimal.java. convertToString()
is the line it fails on. Error that appears is from util/TypeConverter.java
which RubyBasicObject.java uses to convert methods to string using the "to_str"
method.
@JRubyMethod(name = "new", required = 1, optional = 1, meta = true)
309 public static RubyBigDecimal newInstance(IRubyObject recv,
IRubyObject[] args) {
310 BigDecimal decimal;
311 if (args.length == 0) {
312 decimal = new BigDecimal(0);
313 } else {
314 String strValue = args[0].convertToString().toString();
315 strValue = strValue.trim();
316 if ("NaN".equals(strValue)) {
317 return newNaN(recv.getRuntime());
318 }
daidoji@darkstar:~$ cat foo.rb
require 'bigdecimal'
a = BigDecimal(1.0)
b = BigDecimal(1)
c = BigDecimal(2/3)
d = BigDecimal(BigDecimal("1"))
daidoji@darkstar:~$ java -jar jruby/lib/jruby.jar -v
jruby 1.7.0.dev (ruby-1.9.3-p139) (2012-04-29 3b4ea85) (Java HotSpot(TM) Client
VM 1.6.0_25) [linux-i386-java]
rubygems.rb not found; disabling gems
daidoji@darkstar:~$ java -jar jruby/lib/jruby.jar foo.rb
TypeError: can't convert Float into String
new at org/jruby/ext/bigdecimal/RubyBigDecimal.java:453
(root) at foo.rb:3
daidoji@darkstar:~$ vim foo.rb
Press ENTER or type command to continue
syntax=daidoji@darkstar:~$ java -jar jruby/lib/jruby.jar foo.rb
TypeError: can't convert Fixnum into String
new at org/jruby/ext/bigdecimal/RubyBigDecimal.java:453
(root) at foo.rb:4
daidoji@darkstar:~$ vim foo.rb
Press ENTER or type command to continue
syntax=daidoji@darkstar:~$ java -jar jruby/lib/jruby.jar foo.rb
TypeError: can't convert Fixnum into String
new at org/jruby/ext/bigdecimal/RubyBigDecimal.java:453
(root) at foo.rb:5
daidoji@darkstar:~$ vim foo.rb
Press ENTER or type command to continue
syntax=daidoji@darkstar:~$ java -jar jruby/lib/jruby.jar foo.rb
TypeError: can't convert BigDecimal into String
new at org/jruby/ext/bigdecimal/RubyBigDecimal.java:453
(root) at foo.rb:6
daidoji@darkstar:~$
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