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[ruby 2.4] Fixes for Integer#digits in PR #4375 #4490

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merged 4 commits into from Feb 24, 2017

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whwilder commented Feb 13, 2017

I've split the implementation for Integer#digits amongst Fixnum and Bignum, which should fix the issues in #4375

ref #4293

herwinw and others added some commits Dec 9, 2016

[ruby 2.4] Implemented Integer#digits
It passes all the following tests of TestInteger of MRI:

* test_digits
* test_digits_for_negative_numbers
* test_digits_for_invalid_base_numbers
* test_digits_for_non_integral_base_numbers
* test_digits_for_non_numeric_base_argument
@headius

I know some of these style issues were in the original, but you're active so you're the lucky one :-)

@Override
public RubyArray digits(ThreadContext context, IRubyObject base) {
long self = ((RubyFixnum)this).getLongValue();

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headius Feb 13, 2017

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This is not necessary...this is already known to be RubyFixnum.

*/
@Override
public RubyArray digits(ThreadContext context, IRubyObject base) {
BigInteger self = (this).getValue();

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headius Feb 13, 2017

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You could just access the field here, or at least call it without the parens. I assume this is just a mistake converting the RubyFixnum-only logic.

public RubyArray digits(ThreadContext context, IRubyObject base) {
BigInteger self = (this).getValue();
if (self.compareTo(new BigInteger("0")) == -1) {
throw context.getRuntime().newMathDomainError("out of domain");

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headius Feb 13, 2017

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Throw context.runtime into a local variable at the top and reuse it, in the style of other methods.

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whwilder commented Feb 14, 2017

Thanks for the help! Squashed a few other style issues too.

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whwilder commented Feb 23, 2017

@headius Is there anything preventing this PR from being merged, or is it just a low priority for the moment?

@kares kares merged commit d84615c into jruby:ruby-2.4 Feb 24, 2017

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kares commented Feb 24, 2017

@whwilder great work - wanted to get #digits in as well, thanks :)

@kares kares added this to the JRuby 9.2.0.0 milestone Feb 24, 2017

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