From 40251ed0dfe99bb09c2fa542fce603ade25e3729 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Mon, 10 Jun 2024 19:05:58 -0400
Subject: Fix inconsistent evaluation of keyword splat (#10959)

[Bug #20180]

Backports #9624.
---
 test/ruby/test_syntax.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index 2d4ce59b39..a7a25ef3c0 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -233,6 +233,7 @@ class TestSyntax < Test::Unit::TestCase
   def test_array_kwsplat_hash
     kw = {}
     h = {a: 1}
+    a = []
     assert_equal([], [**{}])
     assert_equal([], [**kw])
     assert_equal([h], [**h])
@@ -247,6 +248,20 @@ class TestSyntax < Test::Unit::TestCase
     assert_equal([1, kw], [1, kw])
     assert_equal([1, h], [1, h])
 
+    assert_equal([], [*a, **{}])
+    assert_equal([], [*a, **kw])
+    assert_equal([h], [*a, **h])
+    assert_equal([{}], [*a, {}])
+    assert_equal([kw], [*a, kw])
+    assert_equal([h], [*a, h])
+
+    assert_equal([1], [1, *a, **{}])
+    assert_equal([1], [1, *a, **kw])
+    assert_equal([1, h], [1, *a, **h])
+    assert_equal([1, {}], [1, *a, {}])
+    assert_equal([1, kw], [1, *a, kw])
+    assert_equal([1, h], [1, *a, h])
+
     assert_equal([], [**kw, **kw])
     assert_equal([], [**kw, **{}, **kw])
     assert_equal([1], [1, **kw, **{}, **kw])
-- 
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