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Tests for IntSet. Includes two bug fixes #12247

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merged 2 commits into from Jul 22, 2015
Merged

Tests for IntSet. Includes two bug fixes #12247

merged 2 commits into from Jul 22, 2015

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dpsanders
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@dpsanders dpsanders mentioned this pull request Jul 21, 2015
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Ping @mbauman @kshyatt

mbauman
mbauman reviewed Jul 21, 2015
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base/intset.jl
@@ -274,7 +274,7 @@ function ==(s1::IntSet, s2::IntSet)
return false
end
end
filln = s1.fill1s ? UInt32(-1) : UInt32(0)
filln = s1.fill1s ? reinterpret(UInt32, Int32(-1)) : UInt32(0)
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Hah, even stronger evidence that nobody is using complements (at least not on master).

I would spell this 0xffffffff or -1 % UInt32, but it's not a big deal since Julia/LLVM can figure all three out and inlines them all down to the constant.

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mbauman commented Jul 21, 2015

Nice work. 👍

@kshyatt kshyatt added the test This change adds or pertains to unit tests label Jul 21, 2015
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kshyatt commented Jul 21, 2015

This looks good. Would it be possible to rebase a bit so all the new tests show up in one commit? E.g. so that "First additional", "Finish", and "Refine" are all in one commit? @mbauman does that sound reasonable to you?

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Sure, I'll rebase when I get a moment.

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By the way, I was thinking of adding a constructor to be able to do IntSet(1, 2, 3) instead of IntSet([1, 2, 3]). This was deprecated in 0.3 apparently -- is this a bad idea @mbauman?

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mbauman commented Jul 21, 2015

Two commits sounds logical (move tests + your additions).

The deprecated constructor is so all set-like constructors take just one iterable. If we have both, there's an ambiguity with one argument: does Set(x) iterate over x? Or does it construct a one-element set with just x itself? For IntSet there is no ambiguity, but it's nice to be consistent with Set.

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mbauman commented Jul 21, 2015

Hm, actually, it doesn't look like it was deprecated in 0.3. It was just straight-up removed?

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It's in deprecated.jl but was not actually deprecated (still works on 0.3.11pre).

I see the point about constructors. I'll squash down to just 2 commits.

@dpsanders
Fix 2 bugs in base/intset.jl
4af13cf 
Correct untested bug in symdiff! in intset.jl

Fix a bug in intset
@dpsanders
Move IntSet tests from sets.jl to intset.jl and increase coverage
562eac0 
Moved existing IntSet tests from sets.jl to intset.jl

First additional tests for intset

Finish intset tests

Refine intset tests
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This is ready once Travis turns green.

@mbauman For the constructor, how about the following?

Set(a, b...) = Set((a, b...))
IntSet(a, b...) = IntSet((a, b...))

This allows e.g.

julia> Set([1,2], [3,4])
Set([[1,2],[3,4]])

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mbauman commented Jul 22, 2015

Then what does Set([1,2]) mean? Why would that be a set of two integers if Set([1,2],[3,4]) is a set of two arrays? See #5897 for more discussion.

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True, good point. Sorry for the noise.

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mbauman commented Jul 22, 2015

No worries. This looks great. Thanks!

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Glad you like it, thanks!

mbauman added a commit that referenced this pull request Jul 22, 2015
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Merge pull request #12247 from dpsanders/dps/test_intset
43b7a49 
Tests for IntSet. Includes two bug fixes
@mbauman mbauman merged commit 43b7a49 into JuliaLang:master Jul 22, 2015
@dpsanders dpsanders deleted the dps/test_intset branch July 22, 2015 15:50
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Looks like Coveralls isn't updating.

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