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-rw-r--r--spec/ruby/language/block_spec.rb13
-rw-r--r--test/ruby/test_keyword.rb2
-rw-r--r--test/ruby/test_proc.rb82
-rw-r--r--vm_args.c4
4 files changed, 97 insertions, 4 deletions
diff --git a/spec/ruby/language/block_spec.rb b/spec/ruby/language/block_spec.rb
index b2a3cc84c4..f213d68ba1 100644
--- a/spec/ruby/language/block_spec.rb
+++ b/spec/ruby/language/block_spec.rb
@@ -40,8 +40,17 @@ describe "A block yielded a single" do
m([1, 2]) { |a=5, b, c, d| [a, b, c, d] }.should == [5, 1, 2, nil]
end
- it "assigns elements to required arguments when a keyword rest argument is present" do
- m([1, 2]) { |a, **k| [a, k] }.should == [1, {}]
+ ruby_version_is "3.2" do
+ it "does not autosplat single argument to required arguments when a keyword rest argument is present" do
+ m([1, 2]) { |a, **k| [a, k] }.should == [[1, 2], {}]
+ end
+ end
+
+ ruby_version_is ''..."3.2" do
+ # https://bugs.ruby-lang.org/issues/18633
+ it "autosplats single argument to required arguments when a keyword rest argument is present" do
+ m([1, 2]) { |a, **k| [a, k] }.should == [1, {}]
+ end
end
ruby_version_is ''..."3.0" do
diff --git a/test/ruby/test_keyword.rb b/test/ruby/test_keyword.rb
index 9094259bc2..0d766905bd 100644
--- a/test/ruby/test_keyword.rb
+++ b/test/ruby/test_keyword.rb
@@ -3538,7 +3538,7 @@ class TestKeywordArguments < Test::Unit::TestCase
assert_equal(splat_expect, pr.call(a), bug8463)
pr = proc {|a, **opt| next a, opt}
- assert_equal(splat_expect.values_at(0, -1), pr.call(splat_expect), bug8463)
+ assert_equal([splat_expect, {}], pr.call(splat_expect), bug8463)
end
def req_plus_keyword(x, **h)
diff --git a/test/ruby/test_proc.rb b/test/ruby/test_proc.rb
index bcba3a127b..05c6e03aac 100644
--- a/test/ruby/test_proc.rb
+++ b/test/ruby/test_proc.rb
@@ -857,6 +857,88 @@ class TestProc < Test::Unit::TestCase
assert_equal [[1, 2], Proc, :x], (pr.call(1, 2){|x| x})
end
+ def test_proc_args_single_kw_no_autosplat
+ pr = proc {|c, a: 1| [c, a] }
+ assert_equal [nil, 1], pr.call()
+ assert_equal [1, 1], pr.call(1)
+ assert_equal [[1], 1], pr.call([1])
+ assert_equal [1, 1], pr.call(1,2)
+ assert_equal [[1, 2], 1], pr.call([1,2])
+
+ assert_equal [nil, 3], pr.call(a: 3)
+ assert_equal [1, 3], pr.call(1, a: 3)
+ assert_equal [[1], 3], pr.call([1], a: 3)
+ assert_equal [1, 3], pr.call(1,2, a: 3)
+ assert_equal [[1, 2], 3], pr.call([1,2], a: 3)
+ end
+
+ def test_proc_args_single_kwsplat_no_autosplat
+ pr = proc {|c, **kw| [c, kw] }
+ assert_equal [nil, {}], pr.call()
+ assert_equal [1, {}], pr.call(1)
+ assert_equal [[1], {}], pr.call([1])
+ assert_equal [1, {}], pr.call(1,2)
+ assert_equal [[1, 2], {}], pr.call([1,2])
+
+ assert_equal [nil, {a: 3}], pr.call(a: 3)
+ assert_equal [1, {a: 3}], pr.call(1, a: 3)
+ assert_equal [[1], {a: 3}], pr.call([1], a: 3)
+ assert_equal [1, {a: 3}], pr.call(1,2, a: 3)
+ assert_equal [[1, 2], {a: 3}], pr.call([1,2], a: 3)
+ end
+
+ def test_proc_args_multiple_kw_autosplat
+ pr = proc {|c, b, a: 1| [c, b, a] }
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c=nil, b=nil, a: 1| [c, b, a] }
+ assert_equal [nil, nil, 1], pr.call([])
+ assert_equal [1, nil, 1], pr.call([1])
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c, b=nil, a: 1| [c, b, a] }
+ assert_equal [1, nil, 1], pr.call([1])
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c=nil, b, a: 1| [c, b, a] }
+ assert_equal [nil, 1, 1], pr.call([1])
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c, *b, a: 1| [c, b, a] }
+ assert_equal [1, [], 1], pr.call([1])
+ assert_equal [1, [2], 1], pr.call([1,2])
+
+ pr = proc {|*c, b, a: 1| [c, b, a] }
+ assert_equal [[], 1, 1], pr.call([1])
+ assert_equal [[1], 2, 1], pr.call([1,2])
+ end
+
+ def test_proc_args_multiple_kwsplat_autosplat
+ pr = proc {|c, b, **kw| [c, b, kw] }
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c=nil, b=nil, **kw| [c, b, kw] }
+ assert_equal [nil, nil, {}], pr.call([])
+ assert_equal [1, nil, {}], pr.call([1])
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c, b=nil, **kw| [c, b, kw] }
+ assert_equal [1, nil, {}], pr.call([1])
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c=nil, b, **kw| [c, b, kw] }
+ assert_equal [nil, 1, {}], pr.call([1])
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c, *b, **kw| [c, b, kw] }
+ assert_equal [1, [], {}], pr.call([1])
+ assert_equal [1, [2], {}], pr.call([1,2])
+
+ pr = proc {|*c, b, **kw| [c, b, kw] }
+ assert_equal [[], 1, {}], pr.call([1])
+ assert_equal [[1], 2, {}], pr.call([1,2])
+ end
+
def test_proc_args_only_rest
pr = proc {|*c| c }
assert_equal [], pr.call()
diff --git a/vm_args.c b/vm_args.c
index 7439579f43..a3ddf9a633 100644
--- a/vm_args.c
+++ b/vm_args.c
@@ -599,7 +599,6 @@ setup_parameters_complex(rb_execution_context_t * const ec, const rb_iseq_t * co
rb_raise(rb_eArgError, "no keywords accepted");
}
-
switch (arg_setup_type) {
case arg_setup_method:
break; /* do nothing special */
@@ -608,6 +607,9 @@ setup_parameters_complex(rb_execution_context_t * const ec, const rb_iseq_t * co
allow_autosplat &&
(min_argc > 0 || ISEQ_BODY(iseq)->param.opt_num > 1) &&
!ISEQ_BODY(iseq)->param.flags.ambiguous_param0 &&
+ !((ISEQ_BODY(iseq)->param.flags.has_kw ||
+ ISEQ_BODY(iseq)->param.flags.has_kwrest)
+ && max_argc == 1) &&
args_check_block_arg0(args)) {
given_argc = RARRAY_LENINT(args->rest);
}