Switching transparency default to “opaque”

https://developers.google.com/calendar/v3/reference/events#transparency

lib/google/event.rb

@@ -216,10 +216,10 @@ def extended_properties
     # You can pass true or false.  Defaults to transparent.
     #
     def transparency=(val)
-      if val == false || val.to_s.downcase == 'opaque'
-        @transparency = 'opaque'
-      else
+      if val == true || val.to_s.downcase == 'transparent'
         @transparency = 'transparent'
+      else
+        @transparency = 'opaque'
       end
     end
 

test/test_google_calendar.rb

@@ -502,15 +502,30 @@ class TestGoogleCalendar < Minitest::Test
     end
 
     context "transparency" do
-      should "be transparent" do
-        @event = Event.new(:transparency => true)
-        assert @event.transparent?
+      should "be opaque when nil" do
+        @event = Event.new
+        assert @event.opaque?
+      end
+
+      should "be opaque when transparency = opaque" do
+        @event = Event.new(:transparency => 'opaque')
+        assert @event.opaque?
       end
 
       should "be opaque?" do
         @event = Event.new(:transparency => false)
         assert @event.opaque?
       end
+
+      should "be transparent" do
+        @event = Event.new(:transparency => true)
+        assert @event.transparent?
+      end
+
+      should "be transparent when transparency = transparent" do
+        @event = Event.new(:transparency => 'transparent')
+        assert @event.transparent?
+      end
     end
 
     context "event json" do