From ff31b35f6a66f3c1548e3356d506ff65a574be7f Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 21 Oct 2018 23:53:39 +0000
Subject: test_time_tz.rb: refactor dummy TZ tests and add another timezone

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_time_tz.rb | 75 ++++++++++++++++++++++++-----------------------
 1 file changed, 38 insertions(+), 37 deletions(-)

(limited to 'test/ruby/test_time_tz.rb')

diff --git a/test/ruby/test_time_tz.rb b/test/ruby/test_time_tz.rb
index d3da269d17..9e4b956dbd 100644
--- a/test/ruby/test_time_tz.rb
+++ b/test/ruby/test_time_tz.rb
@@ -508,76 +508,77 @@ End
 end
 
 module TestTimeTZ::WithTZ
-  def tz
-    @tz ||= TestTimeTZ::TZ.new(tzname, abbr, utc_offset)
-  end
-
-  def test_new
-    t = Time.new(2018, 9, 1, 12, 0, 0, tz)
+  def subtest_new(time_class, tz, tzname, abbr, utc_offset)
+    t = time_class.new(2018, 9, 1, 12, 0, 0, tz)
     assert_equal([2018, 9, 1, 12, 0, 0, tz], [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.zone])
     h, m = (-utc_offset / 60).divmod(60)
-    assert_equal(Time.utc(2018, 9, 1, 12+h, m, 0).to_i, t.to_i)
+    assert_equal(time_class.utc(2018, 9, 1, 12+h, m, 0).to_i, t.to_i)
   end
 
-  def test_getlocal
-    t = Time.utc(2018, 9, 1, 12, 0, 0).getlocal(tz)
+  def subtest_getlocal(time_class, tz, tzname, abbr, utc_offset)
+    t = time_class.utc(2018, 9, 1, 12, 0, 0).getlocal(tz)
     h, m = (utc_offset / 60).divmod(60)
     assert_equal([2018, 9, 1, 12+h, m, 0, tz], [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.zone])
-    assert_equal(Time.utc(2018, 9, 1, 12, 0, 0), t)
+    assert_equal(time_class.utc(2018, 9, 1, 12, 0, 0), t)
   end
 
-  def test_strftime
-    t = Time.new(2018, 9, 1, 12, 0, 0, tz)
+  def subtest_strftime(time_class, tz, tzname, abbr, utc_offset)
+    t = time_class.new(2018, 9, 1, 12, 0, 0, tz)
     h, m = (utc_offset.abs / 60).divmod(60)
     h = -h if utc_offset < 0
     assert_equal("%+.2d%.2d %s" % [h, m, abbr], t.strftime("%z %Z"))
   end
 
-  def test_plus
-    t = Time.new(2018, 9, 1, 12, 0, 0, tz) + 4000
+  def subtest_plus(time_class, tz, tzname, abbr, utc_offset)
+    t = time_class.new(2018, 9, 1, 12, 0, 0, tz) + 4000
     assert_equal([2018, 9, 1, 13, 6, 40, tz], [t.year, t.mon, t.mday, t.hour, t.min, t.sec, t.zone])
     m, s = (4000-utc_offset).divmod(60)
     h, m = m.divmod(60)
-    assert_equal(Time.utc(2018, 9, 1, 12+h, m, s), t)
+    assert_equal(time_class.utc(2018, 9, 1, 12+h, m, s), t)
   end
 
-  def test_marshal
-    t = Time.new(2018, 9, 1, 12, 0, 0, tz)
+  def subtest_marshal(time_class, tz, tzname, abbr, utc_offset)
+    t = time_class.new(2018, 9, 1, 12, 0, 0, tz)
     t2 = Marshal.load(Marshal.dump(t))
     assert_equal(t, t2)
     assert_equal(t.utc_offset, t2.utc_offset)
     assert_equal(t.utc_offset, (t2+1).utc_offset)
   end
-end
 
-class TestTimeTZ::JST < Test::Unit::TestCase
-  include TestTimeTZ::WithTZ
-
-  def tzname
-    "Asia/Tokyo"
-  end
+  ZONES = {
+    "Asia/Tokyo" => ["JST", +9*3600],
+    "America/Los_Angeles" => ["PDT", -7*3600],
+    "Africa/Ndjamena" => ["WAT", +1*3600],
+  }
 
-  def abbr
-    "JST"
+  def make_timezone(tzname, abbr, utc_offset)
+    self.class::TIME_CLASS.find_timezone(tzname)
   end
 
-  def utc_offset
-    +9*3600
+  instance_methods(false).grep(/\Asub(?=test_)/) do |subtest|
+    test = $'
+    ZONES.each_pair do |tzname, (abbr, utc_offset)|
+      define_method("#{test}@#{tzname}") do
+        tz = make_timezone(tzname, abbr, utc_offset)
+        time_class = self.class::TIME_CLASS
+        __send__(subtest, time_class, tz, tzname, abbr, utc_offset)
+      end
+    end
   end
 end
 
-class TestTimeTZ::EDT < Test::Unit::TestCase
+class TestTimeTZ::DummyTZ < Test::Unit::TestCase
   include TestTimeTZ::WithTZ
 
-  def tzname
-    "America/New_York"
-  end
-
-  def abbr
-    "EDT"
+  class TIME_CLASS < ::Time
+    ZONES = TestTimeTZ::WithTZ::ZONES
+    def self.find_timezone(tzname)
+      tz = ZONES[tzname] or raise ArgumentError, "Unknown timezone: #{name}"
+      TestTimeTZ::TZ.new(tzname, *tz)
+    end
   end
 
-  def utc_offset
-    -4*3600
+  def self.make_timezone(tzname, abbr, utc_offset)
+    TestTimeTZ::TZ.new(tzname, abbr, utc_offset)
   end
 end
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