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ID3v2 padding won't increase beyond 1% of the file size.

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This commit is contained in:
Tsuda Kageyu
2014-10-16 07:16:57 +09:00
parent 072851869a
commit d80c4c96c3
2 changed files with 50 additions and 7 deletions
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34
tests/test_id3v2.cpp
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@ -91,6 +91,7 @@ class TestID3v2 : public CppUnit::TestFixture
CPPUNIT_TEST(testRenderChapterFrame);
CPPUNIT_TEST(testParseTableOfContentsFrame);
CPPUNIT_TEST(testRenderTableOfContentsFrame);
CPPUNIT_TEST(testShrinkPadding);
CPPUNIT_TEST_SUITE_END();
public:
@ -1005,6 +1006,39 @@ public:
f.render());
}
void testShrinkPadding()
{
ScopedFileCopy copy("xing", ".mp3");
string newname = copy.fileName();
{
MPEG::File f(newname.c_str());
ID3v2::Tag *tag = f.ID3v2Tag(true);
ID3v2::TextIdentificationFrame *frame1 = new ID3v2::TextIdentificationFrame("TIT2");
frame1->setText("Title");
tag->addFrame(frame1);
ID3v2::AttachedPictureFrame *frame2 = new ID3v2::AttachedPictureFrame();
frame2->setPicture(ByteVector(100 * 1024, '\xff'));
tag->addFrame(frame2);
f.save();
CPPUNIT_ASSERT(f.length() > 100 * 1024);
}
{
MPEG::File f(newname.c_str());
CPPUNIT_ASSERT_EQUAL(true, f.hasID3v2Tag());
ID3v2::Tag *tag = f.ID3v2Tag();
tag->removeFrames("APIC");
f.save();
CPPUNIT_ASSERT(f.length() < 10 * 1024);
}
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(TestID3v2);