diff options
author | Jeremy Evans <code@jeremyevans.net> | 2023-12-12 16:48:26 -0800 |
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committer | Jeremy Evans <code@jeremyevans.net> | 2023-12-14 08:13:43 -0800 |
commit | a18819e65fa2dd3135909df81534937dadafb6ab (patch) | |
tree | 37719ea0262406323c3d89d1b65b7e1867a0cbe6 /test/ruby/test_call.rb | |
parent | 247ce712fcf93d28ceb359b66dfcf8f76e2c731d (diff) |
Fix op asgn method calls passing mutable keyword splats
When passing the keyword splat to [], it cannot be mutable, because
mutating the keyword splat inside [] would result in changes to the
keyword splat passed to []=.
Diffstat (limited to 'test/ruby/test_call.rb')
-rw-r--r-- | test/ruby/test_call.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/ruby/test_call.rb b/test/ruby/test_call.rb index f17d5848b9..5993506b5f 100644 --- a/test/ruby/test_call.rb +++ b/test/ruby/test_call.rb @@ -281,6 +281,27 @@ class TestCall < Test::Unit::TestCase assert_equal([:to_a, :to_hash, :to_proc, :to_proc], ary) end + def test_call_op_asgn_keywords_mutable + h = Class.new do + attr_reader :get, :set + def v; yield; [*@get, *@set] end + def [](*a, **b, &c) + @get = [a.dup, b.dup] + a << :splat_modified + b[:kw_splat_modified] = true + @set = [] + 3 + end + def []=(*a, **b) @set = [a, b] end + end.new + + a = [] + kw = {} + b = lambda{} + + assert_equal([[2], {b: 5}, [2, 4], {b: 5}], h.v{h[*a, 2, b: 5, **kw] += 1}) + end + def test_call_splat_order bug12860 = '[ruby-core:77701] [Bug# 12860]' ary = [1, 2] |