From 4e880080a725af2f5c052a23635c773f70de315d Mon Sep 17 00:00:00 2001
From: siena <siena@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 18 Jan 2004 04:00:00 +0000
Subject: [PATCH] * test/ruby/test_time.rb: new test case to test Time#[+-].

* time.c (time_plus, time_minus): fix RangeError for a negative
  argument in environments whose time_t is unsigned. [ruby-dev:22608]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_time.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 test/ruby/test_time.rb

diff --git a/test/ruby/test_time.rb b/test/ruby/test_time.rb
new file mode 100644
index 0000000000..bcb480def2
--- /dev/null
+++ b/test/ruby/test_time.rb
@@ -0,0 +1,24 @@
+require 'test/unit'
+
+class TestTime < Test::Unit::TestCase
+  def test_time_add()
+    assert_equal(Time.utc(2000, 3, 21, 3, 30) + 3 * 3600,
+                 Time.utc(2000, 3, 21, 6, 30))
+    assert_equal(Time.utc(2000, 3, 21, 3, 30) + (-3 * 3600),
+                 Time.utc(2000, 3, 21, 0, 30))
+  end
+
+  def test_time_subt()
+    assert_equal(Time.utc(2000, 3, 21, 3, 30) - 3 * 3600,
+                 Time.utc(2000, 3, 21, 0, 30))
+    assert_equal(Time.utc(2000, 3, 21, 3, 30) - (-3 * 3600),
+                 Time.utc(2000, 3, 21, 6, 30))
+  end
+
+  def test_time_time()
+    assert_equal(Time.utc(2000, 3, 21, 3, 30)  \
+                -Time.utc(2000, 3, 21, 0, 30), 3*3600)
+    assert_equal(Time.utc(2000, 3, 21, 0, 30)  \
+                -Time.utc(2000, 3, 21, 3, 30), -3*3600)
+  end
+end