From fd8e3725f8140944743f76b5a9f9929277eddf6a Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 29 Oct 2025 18:12:32 +0900
Subject: [PATCH 1/2] Prefer `method_defined?` over `allocate.respond_to?`

---
 test/date/test_date_conv.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/date/test_date_conv.rb b/test/date/test_date_conv.rb
index 772fbee..c54a118 100644
--- a/test/date/test_date_conv.rb
+++ b/test/date/test_date_conv.rb
@@ -82,7 +82,7 @@ def test_to_time__from_datetime
     assert_equal([1582, 10, 13, 1, 2, 3, 456789],
 		 [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.usec])
 
-    if Time.allocate.respond_to?(:nsec)
+    if Time.method_defined?(:nsec)
       d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123.to_r/86400000000000
       t = d.to_time.utc
       assert_equal([2004, 9, 19, 1, 2, 3, 456789123],
@@ -91,7 +91,7 @@ def test_to_time__from_datetime
 
     # TruffleRuby does not support more than nanoseconds
     unless RUBY_ENGINE == 'truffleruby'
-      if Time.allocate.respond_to?(:subsec)
+      if Time.method_defined?(:subsec)
         d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123456789123.to_r/86400000000000000000000
         t = d.to_time.utc
         assert_equal([2004, 9, 19, 1, 2, 3, Rational(456789123456789123,1000000000000000000)],

From 2c310d9f5c68a63c09df56556818d8e02541b5c0 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 29 Oct 2025 18:40:25 +0900
Subject: [PATCH 2/2] Remove archaic conditions

`Time#nsec` and `Time#subsec` were both introduced in Ruby 1.9.
---
 test/date/test_date_conv.rb | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/test/date/test_date_conv.rb b/test/date/test_date_conv.rb
index c54a118..8d81084 100644
--- a/test/date/test_date_conv.rb
+++ b/test/date/test_date_conv.rb
@@ -82,21 +82,17 @@ def test_to_time__from_datetime
     assert_equal([1582, 10, 13, 1, 2, 3, 456789],
 		 [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.usec])
 
-    if Time.method_defined?(:nsec)
-      d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123.to_r/86400000000000
-      t = d.to_time.utc
-      assert_equal([2004, 9, 19, 1, 2, 3, 456789123],
-		   [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.nsec])
-    end
+    d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123.to_r/86400000000000
+    t = d.to_time.utc
+    assert_equal([2004, 9, 19, 1, 2, 3, 456789123],
+		 [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.nsec])
 
     # TruffleRuby does not support more than nanoseconds
     unless RUBY_ENGINE == 'truffleruby'
-      if Time.method_defined?(:subsec)
-        d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123456789123.to_r/86400000000000000000000
-        t = d.to_time.utc
-        assert_equal([2004, 9, 19, 1, 2, 3, Rational(456789123456789123,1000000000000000000)],
-         [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.subsec])
-      end
+      d = DateTime.new(2004, 9, 19, 1, 2, 3, 0) + 456789123456789123.to_r/86400000000000000000000
+      t = d.to_time.utc
+      assert_equal([2004, 9, 19, 1, 2, 3, Rational(456789123456789123,1000000000000000000)],
+                   [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.subsec])
     end
   end