Implements volume control to Music (#123)

1 files changed, 27 insertions, 0 deletions

diff --git a/test/music_spec.rb b/test/music_spec.rb
index c3a1173..09b6f1c 100644
--- a/test/music_spec.rb
+++ b/test/music_spec.rb
@@ -6,6 +6,33 @@ RSpec.describe Ruby2D::Music do
     it "raises exception if audio file doesn't exist" do
       expect { Music.new("bad_music.mp3") }.to raise_error(Ruby2D::Error)
     end
+
+    it "creates new music" do
+      Music.new("test/media/music.mp3")
+    end
+  end
+
+  describe "#volume" do
+    it "sets the volume on music instances" do
+      mus = Music.new("test/media/music.mp3")
+      expect(mus.volume).to eq(100)
+      mus.volume = 68
+      expect(mus.volume).to eq(68)
+    end
+
+    it "sets the volume using class methods" do
+      Music.volume = 27
+      expect(Music.volume).to eq(27)
+    end
+
+    it "sets volume to 0 or 100 if outside of range" do
+      Music.volume = 234
+      expect(Music.volume).to eq(100)
+      Music.volume = -312
+      expect(Music.volume).to eq(0)
+      Music.volume = -1
+      expect(Music.volume).to eq(0)
+    end
   end
 
 end