1 files changed, 23 insertions, 11 deletions
diff --git a/spec/ruby/core/time/inspect_spec.rb b/spec/ruby/core/time/inspect_spec.rb
index 85133838e2..c3a4519a24 100644
--- a/spec/ruby/core/time/inspect_spec.rb
+++ b/spec/ruby/core/time/inspect_spec.rb
@@ -4,18 +4,30 @@ require_relative 'shared/inspect'
 describe "Time#inspect" do
   it_behaves_like :inspect, :inspect
 
-  ruby_version_is "2.7" do
-    it "preserves milliseconds" do
-      t = Time.utc(2007, 11, 1, 15, 25, 0, 123456)
-      t.inspect.should == "2007-11-01 15:25:00.123456 UTC"
-    end
+  it "preserves microseconds" do
+    t = Time.utc(2007, 11, 1, 15, 25, 0, 123456)
+    t.inspect.should == "2007-11-01 15:25:00.123456 UTC"
+  end
+
+  it "omits trailing zeros from microseconds" do
+    t = Time.utc(2007, 11, 1, 15, 25, 0, 100000)
+    t.inspect.should == "2007-11-01 15:25:00.1 UTC"
+  end
 
-    it "formats nanoseconds as a Rational" do
-      t = Time.utc(2007, 11, 1, 15, 25, 0, 123456.789)
-      t.nsec.should == 123456789
-      t.strftime("%N").should == "123456789"
+  it "uses the correct time zone without microseconds" do
+    t = Time.utc(2000, 1, 1)
+    t = t.localtime(9*3600)
+    t.inspect.should == "2000-01-01 09:00:00 +0900"
+  end
+
+  it "uses the correct time zone with microseconds" do
+    t = Time.utc(2000, 1, 1, 0, 0, 0, 123456)
+    t = t.localtime(9*3600)
+    t.inspect.should == "2000-01-01 09:00:00.123456 +0900"
+  end
 
-      t.inspect.should == "2007-11-01 15:25:00 8483885939586761/68719476736000000 UTC"
-    end
+  it "preserves nanoseconds" do
+    t = Time.utc(2007, 11, 1, 15, 25, 0, 123456.789r)
+    t.inspect.should == "2007-11-01 15:25:00.123456789 UTC"
   end
 end