Merge pull request #55 from kachick/add-test-cases-to-refer-rafaelsales

Add tests for some example values from `rafaelsales/ulid`

test/test_ulid.rb

@@ -192,17 +192,6 @@ def test_generate
     assert_equal(entropy, ULID.generate(entropy: entropy).entropy)
   end
 
-  def test_milliseconds_precision_order
-    # The test cases taken from https://github.com/rafaelsales/ulid/pull/23
-    ulids = 1000.times.map do |milliseconds|
-      time = Time.new(2020, 1, 2, 3, 4, Rational(milliseconds, 10 ** 3))
-
-      ULID.generate(moment: time)
-    end
-
-    assert_equal(ulids, ulids.sort)
-  end
-
   def test_from_uuidv4
     # The example value was taken from https://github.com/ahawker/ulid/tree/96bdb1daad7ce96f6db8c91ac0410b66d2e1c4c1#usage
     assert_equal(ULID.parse('09GF8A5ZRN9P1RYDVXV52VBAHS'), ULID.from_uuidv4('0983d0a2-ff15-4d83-8f37-7dd945b5aa39'))

test/test_ulid_example_values.rb

@@ -32,4 +32,18 @@ def test_oklog_examples
     # https://github.com/oklog/ulid/blob/e7ac4de44d238ff4707cc84b9c98ae471f31e2d1/ulid_test.go#L690-L712
     assert_instance_of(ULID, ULID.parse('0000XSNJG0MQJHBF4QX1EFD6Y3'))
   end
+
+  def test_rafaelsales_examples
+    # https://github.com/rafaelsales/ulid/blob/0eafbe3394539d12ad471f01e935b949f85c7093/spec/lib/ulid_spec.rb#L39-L40
+    time = Time.at(1_469_918_176, 385, :millisecond)
+    assert_equal('01ARYZ6S41', ULID.generate(moment: time).timestamp)
+
+    # https://github.com/rafaelsales/ulid/pull/23
+    ulids = 1000.times.map do |milliseconds|
+      time = Time.new(2020, 1, 2, 3, 4, Rational(milliseconds, 10 ** 3))
+
+      ULID.generate(moment: time)
+    end
+    assert_equal(ulids, ulids.sort)
+  end
 end