private static void TestTagUtilsTestCloneUsingRaw()
{
ID3.Tag tag = TestTags.CreateDemoTag(Version.v2_3);
byte[] b0 = TagUtils.TagToRaw(tag);
byte[] b1 = TagUtils.TagToRaw(tag.Clone());
UnitTest.Test(ArrayUtils.IsEqual(b0, b1));
}
private static void TestTagUtilsWriteRawSmallerQuantizeAbove()
{
string fileName = VirtualDrive.VirtualFileName("TestTagUtilsWriteRawSmallerQuantizeAbove\\t1.mp3");
TestTags.WriteDemoMp3(fileName, TestTags.demoTag2_4);
FileInfo fileInfo = new FileInfo(fileName);
TagUtils.WriteTagV2(TestTags.demoTag2_3, fileInfo, Rewriter.Strategy.Quantize);
UnitTest.Test(TagUtils.TagSizeV2(new FileInfo(fileName)) % Rewriter.BlockSize == 0);
TagUtils.StripTagV2(new FileInfo(fileName), 0);
UnitTest.Test(ArrayUtils.IsEqual(VirtualDrive.Load(fileName), TestTags.mpegDummy));
}
private static void TestTagUtilsWriteRawSmallerNeverShrink()
{
string fileName = VirtualDrive.VirtualFileName("TestTagUtilsWriteRawSmallerNeverShrink\\t1.mp3");
TestTags.WriteDemoMp3(fileName, TestTags.demoTag2_4);
FileInfo fileInfo = new FileInfo(fileName);
TagUtils.WriteTagV2(TestTags.demoTag2_3, fileInfo, Rewriter.Strategy.NeverShrink);
UnitTest.Test(TagUtils.TagSizeV2(fileInfo) == TestTags.demoTag2_4.Length);
TagUtils.StripTagV2(fileInfo, 0);
UnitTest.Test(ArrayUtils.IsEqual(VirtualDrive.Load(fileName), TestTags.mpegDummy));
}
private static void TestTagUtilsWriteRawBiggerExact()
{
string fileName = VirtualDrive.VirtualFileName("TestTagUtilsWriteRawBiggerExact\\t1.mp3");
TestTags.WriteDemoMp3(fileName, TestTags.demoTag2_3);
FileInfo fileInfo = new FileInfo(fileName);
TagUtils.WriteTagV2(TestTags.demoTag2_4, fileInfo, Rewriter.Strategy.Exact);
UnitTest.Test(VirtualDrive.FileLength(fileName) == TestTags.demoTag2_4.Length + TestTags.mpegDummy.Length);
TagUtils.StripTagV2(fileInfo, 0);
UnitTest.Test(ArrayUtils.IsEqual(VirtualDrive.Load(fileName), TestTags.mpegDummy));
}
public static void CreateDemoTags(string path, int count, Action <TagEditor> action)
{
for (int i = 0; i < count; ++i)
{
Tag tag = TestTags.CreateDemoTag(ID3.Version.v2_3);
TagEditor editor = new TagEditor(tag);
editor.Title = "Song No. " + (i + 1);
editor.TrackNumber = (i + 1).ToString();
editor.ReleaseYear = "1993";
action(editor);
TagUtils.WriteTag(tag, new FileInfo(Path.Combine(path, "Test" + i + ".mp3")));
}
}
private static void TestTagUtilsWriteTagBiggerQuantize()
{
string fileName = VirtualDrive.VirtualFileName("TestTagUtilsWriteTagBiggerQuantize\\t1.mp3");
TestTags.WriteDemoMp3(fileName, TestTags.demoTag2_3);
FileInfo fileInfo = new FileInfo(fileName);
Tag tag = TagUtils.ReadTag(fileInfo);
Frame f = new Frame(tag.DescriptionMap, "MCDI");
(f.Content as FrameContentBinary).Content = new byte[1024];
tag.Add(f);
TagUtils.WriteTagV2(tag, fileInfo, Rewriter.Strategy.Quantize);
UnitTest.Test(VirtualDrive.FileLength(fileName) == 2048 + TestTags.mpegDummy.Length);
TagUtils.StripTagV2(fileInfo, 0);
UnitTest.Test(ArrayUtils.IsEqual(VirtualDrive.Load(fileName), TestTags.mpegDummy));
}
private static void TestTagUtilsBuildByCodeAndSerializeInVirtualStore()
{
foreach (ID3.Version version in ID3.Version.Versions)
{
string filename = VirtualDrive.VirtualFileName(
"TestID3TagBuildByCodeAndSerializeInVirtualStore\\" + version.ToString() + ".tag");
Tag tag0 = TestTags.CreateDemoTag(version);
TagUtils.WriteTag(tag0, new FileInfo(filename));
Tag tag1 = TagUtils.ReadTag(new FileInfo(filename));
TagEditor editor0 = new TagEditor(tag0);
TagEditor editor1 = new TagEditor(tag1);
UnitTest.Test(editor1.Equals(editor0));
}
}
private static void TestTagUtilsWriteTagSmallerExact()
{
Tag tag = TagUtils.RawToTag(TestTags.demoTag2_3);
Frame f = new Frame(tag.DescriptionMap, "MCDI");
(f.Content as FrameContentBinary).Content = new byte[1024];
tag.Add(f);
string fileName = VirtualDrive.VirtualFileName("TestTagUtilsWriteTagSmallerExact\\t1.mp3");
TestTags.WriteDemoMp3(fileName, TagUtils.TagToRaw(tag));
tag.Remove(f);
FileInfo fileInfo = new FileInfo(fileName);
TagUtils.WriteTagV2(tag, fileInfo, Rewriter.Strategy.Exact);
UnitTest.Test(VirtualDrive.FileLength(fileName) == TagUtils.TagToRaw(tag).Length + TestTags.mpegDummy.Length);
TagUtils.StripTagV2(fileInfo, 0);
UnitTest.Test(ArrayUtils.IsEqual(VirtualDrive.Load(fileName), TestTags.mpegDummy));
}
private static void TestTagUtilsReadWrite()
{
int counter = 0;
foreach (var demoTag in TestTags.Demotags)
{
FileInfo fileInfo = VirtualDrive.CreateVirtualFileInfo(
"TestTagUtilsReadWrite\\" + counter + ".tag");
TagUtils.WriteTag(demoTag, fileInfo);
Tag tag0 = TagUtils.ReadTag(fileInfo);
UnitTest.Test(TestTags.IsDemoTag(new TagEditor(tag0)));
TagUtils.WriteTag(tag0, fileInfo);
UnitTest.Test(ArrayUtils.IsEqual(TagUtils.ReadTagRaw(fileInfo), demoTag));
counter++;
}
}
private static void TestTagUtilsRewriteMP3()
{
byte[] tag20 = TagUtils.TagToRaw(TestTags.CreateDemoTag(Version.v2_3));
byte[] tag10 = TestTags.demoTag1_0;
string fileName = VirtualDrive.VirtualFileName("TestID3TagUtilsRewrite\\t1.mp3");
using (Stream s = VirtualDrive.OpenOutStream(fileName))
{
s.Write(tag20, 0, tag20.Length);
s.WriteByte(0);
s.WriteByte(0);
s.Write(TestTags.mpegDummy, 0, TestTags.mpegDummy.Length);
s.Write(tag10, 0, tag10.Length);
}
long offset = TagUtils.OffsetTagToMpegHeader(new FileInfo(fileName));
UnitTest.Test(offset == 2);
TagUtils.StripTags(new FileInfo(fileName), 0, 0);
UnitTest.Test(ArrayUtils.IsEqual(VirtualDrive.Load(fileName), TestTags.mpegDummy));
}