X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=test%2Ftest_main.rb;h=6355e7e9d23fca663d55283d059b51f427a71804;hb=f20bab80ca655b5b65a5d0d8660d2265a2410b00;hp=3003783554337a3bd3b2b05722ea3d29d414038a;hpb=a666f7bdc7f889257a3dcdad95f759bb984253e0;p=ruby-vorbistagger.git

diff --git a/test/test_main.rb b/test/test_main.rb
index 3003783..6355e7e 100644
--- a/test/test_main.rb
+++ b/test/test_main.rb
@@ -1,6 +1,7 @@
 require "test/unit"
 require "ogg/vorbis/tagger"
 require "fileutils"
+require "digest/md5"
 
 class MainTest < Test::Unit::TestCase
 	OGG_FILE = "test/test.ogg"
@@ -29,6 +30,32 @@ class MainTest < Test::Unit::TestCase
 		end
 	end
 
+	def test_write_is_non_destructive
+		a = Digest::MD5.hexdigest(File.read(OGG_FILE))
+
+		Ogg::Vorbis::Tagger.open(OGG_FILE) do |t|
+			t.write
+		end
+
+		b = Digest::MD5.hexdigest(File.read(OGG_FILE))
+
+		assert_equal(a, b)
+	end
+
+	def test_multiple_writes
+		a = Digest::MD5.hexdigest(File.read(OGG_FILE))
+
+		Ogg::Vorbis::Tagger.open(OGG_FILE) do |t|
+			1.upto(10) do
+				t.write
+			end
+		end
+
+		b = Digest::MD5.hexdigest(File.read(OGG_FILE))
+
+		assert_equal(a, b)
+	end
+
 	def test_write_stable_order
 		Ogg::Vorbis::Tagger.open(OGG_FILE) do |t|
 			assert_equal(3, t.write)
@@ -225,4 +252,37 @@ EOF
 	def test_close
 		Ogg::Vorbis::Tagger.new(OGG_FILE).close
 	end
+
+	def test_close2
+		t = Ogg::Vorbis::Tagger.new(OGG_FILE)
+		t.close
+
+		assert_raise(Ogg::Vorbis::Tagger::ClosedStreamError) do
+			t.close
+		end
+
+		assert_raise(Ogg::Vorbis::Tagger::ClosedStreamError) do
+			Ogg::Vorbis::Tagger.open(OGG_FILE) do |t|
+				t.close
+			end
+		end
+	end
+
+	def test_open_non_existing_file
+		assert_raises(Ogg::Vorbis::Tagger::OpenError) do
+			Ogg::Vorbis::Tagger.new("foo.bar")
+		end
+	end
+
+	def test_open_non_ogg_file
+		File.open("test/foo.bar", "w") do |f|
+			f << "foobarbazxyzzy"
+		end
+
+		assert_raises(Ogg::Vorbis::Tagger::InvalidDataError) do
+			Ogg::Vorbis::Tagger.new("test/foo.bar")
+		end
+	ensure
+		FileUtils.rm_f("test/foo.bar")
+	end
 end